mirror of
https://github.com/th30d4y/OpenLearnX.git
synced 2026-05-26 11:25:49 +00:00
some kinda
This commit is contained in:
5t4l1n
@@ -0,0 +1,4 @@
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from pymongo import MongoClient
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db = MongoClient("mongodb://localhost:27017").openlearnx
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exam = db.exams.find_one({"_id": ObjectId("6884f04c6ca73cc9032deaf9")})
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print(exam["exam_code"]) # this is what participants must type
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+474
-69
@@ -7,142 +7,547 @@ from mongo_service import MongoService
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from web3_service import Web3Service
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import logging
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# Import all route blueprints
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from routes import auth, test_flow, certificate, dashboard, courses, quizzes, admin
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# Load environment variables first
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load_dotenv()
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# Import all route blueprints
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from routes import auth, test_flow, certificate, dashboard, courses, quizzes, admin, exam, compiler
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# Import services after loading env vars
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try:
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from services.wallet_service import wallet_service
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from services.real_compiler_service import real_compiler_service
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WALLET_SERVICE_AVAILABLE = True
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COMPILER_SERVICE_AVAILABLE = True
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except ImportError as e:
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logging.warning(f"Service import failed: {e}")
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wallet_service = None
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real_compiler_service = None
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WALLET_SERVICE_AVAILABLE = False
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COMPILER_SERVICE_AVAILABLE = False
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# Initialize Flask app
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app = Flask(__name__)
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# Enhanced CORS configuration for admin panel with credentials support
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# Enhanced CORS configuration for coding exam platform
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CORS(app, resources={
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r"/api/*": {
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"origins": ["http://localhost:3000", "http://127.0.0.1:3000"],
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"origins": [
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"http://localhost:3000",
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"http://127.0.0.1:3000",
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"http://localhost:3001",
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"http://127.0.0.1:3001"
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],
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"methods": ["GET", "POST", "PUT", "DELETE", "OPTIONS"],
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"allow_headers": ["Content-Type", "Authorization"],
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"supports_credentials": True # ✅ Added for admin authentication
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"allow_headers": [
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"Content-Type",
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"Authorization",
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"X-Requested-With",
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"Accept",
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"Origin"
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],
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"supports_credentials": True,
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"expose_headers": ["Authorization"]
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}
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})
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# Configuration
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app.config['SECRET_KEY'] = os.getenv('SECRET_KEY', 'your-secret-key')
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app.config['SECRET_KEY'] = os.getenv('SECRET_KEY', 'openlearnx-secret-key-2024')
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app.config['MONGODB_URI'] = os.getenv('MONGODB_URI', 'mongodb://localhost:27017/')
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app.config['WEB3_PROVIDER_URL'] = os.getenv('WEB3_PROVIDER_URL', 'http://127.0.0.1:8545')
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app.config['CONTRACT_ADDRESS'] = os.getenv('CONTRACT_ADDRESS')
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app.config['MINTER_PRIVATE_KEY'] = os.getenv('MINTER_PRIVATE_KEY')
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app.config['CONTRACT_ADDRESS'] = os.getenv('CONTRACT_ADDRESS', '0x739f0aCef964f87Bc7974D972a811f8417d74B4C')
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app.config['MINTER_PRIVATE_KEY'] = os.getenv('MINTER_PRIVATE_KEY', '0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80')
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app.config['ADMIN_TOKEN'] = os.getenv('ADMIN_TOKEN', 'admin-secret-key')
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# Initialize services
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mongo_service = MongoService(app.config['MONGODB_URI'])
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web3_service = Web3Service(app.config['WEB3_PROVIDER_URL'], app.config['CONTRACT_ADDRESS'])
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# Blockchain configuration
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app.config['IPFS_GATEWAY'] = os.getenv('IPFS_GATEWAY', 'https://ipfs.infura.io:5001')
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app.config['IPFS_PROJECT_ID'] = os.getenv('IPFS_PROJECT_ID')
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app.config['IPFS_PROJECT_SECRET'] = os.getenv('IPFS_PROJECT_SECRET')
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# Configure logging BEFORE initializing services
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
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handlers=[
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logging.StreamHandler(),
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logging.FileHandler('openlearnx.log') if os.access('.', os.W_OK) else logging.NullHandler()
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]
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)
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logger = logging.getLogger(__name__)
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# Initialize services with error handling
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try:
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mongo_service = MongoService(app.config['MONGODB_URI'])
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app.config['MONGO_SERVICE'] = mongo_service
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MONGO_SERVICE_AVAILABLE = True
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except Exception as e:
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logging.error(f"Failed to initialize MongoDB service: {e}")
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mongo_service = None
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MONGO_SERVICE_AVAILABLE = False
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try:
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web3_service = Web3Service(
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app.config['WEB3_PROVIDER_URL'],
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app.config['CONTRACT_ADDRESS']
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)
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app.config['WEB3_SERVICE'] = web3_service
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WEB3_SERVICE_AVAILABLE = True
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except Exception as e:
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logging.error(f"Failed to initialize Web3 service: {e}")
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web3_service = None
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WEB3_SERVICE_AVAILABLE = False
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# Make services available to routes
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app.config['MONGO_SERVICE'] = mongo_service
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app.config['WEB3_SERVICE'] = web3_service
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if WALLET_SERVICE_AVAILABLE:
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app.config['WALLET_SERVICE'] = wallet_service
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# Register all blueprints
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app.register_blueprint(auth.bp, url_prefix='/api/auth')
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app.register_blueprint(test_flow.bp, url_prefix='/api/test')
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app.register_blueprint(certificate.bp, url_prefix='/api/certificate')
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app.register_blueprint(dashboard.bp, url_prefix='/api/dashboard')
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app.register_blueprint(courses.bp, url_prefix='/api/courses')
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app.register_blueprint(quizzes.bp, url_prefix='/api/quizzes')
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app.register_blueprint(admin.bp, url_prefix="/api/admin")
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if COMPILER_SERVICE_AVAILABLE:
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app.config['REAL_COMPILER_SERVICE'] = real_compiler_service
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# ✅ DEFINE check_docker_availability BEFORE using it
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def check_docker_availability():
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"""Check if Docker is available for compiler service"""
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try:
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import docker
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client = docker.from_env()
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client.ping()
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return True
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except Exception:
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return False
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# Register all blueprints with error handling
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blueprints = [
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(auth.bp, '/api/auth'),
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(test_flow.bp, '/api/test'),
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(certificate.bp, '/api/certificate'),
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(dashboard.bp, '/api/dashboard'),
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(courses.bp, '/api/courses'),
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(quizzes.bp, '/api/quizzes'),
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(admin.bp, '/api/admin'),
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(exam.bp, '/api/exam'), # Coding exam routes
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(compiler.bp, '/api/compiler'), # Compiler routes
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]
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for blueprint, url_prefix in blueprints:
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try:
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app.register_blueprint(blueprint, url_prefix=url_prefix)
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logging.info(f"✅ Registered blueprint: {url_prefix}")
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print(f"✅ Registered blueprint: {url_prefix}")
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except Exception as e:
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logging.error(f"❌ Failed to register blueprint {url_prefix}: {e}")
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print(f"❌ Failed to register blueprint {url_prefix}: {e}")
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# Debug routes
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@app.route('/debug/routes')
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def debug_routes():
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"""Debug route to see all registered routes"""
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routes = []
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for rule in app.url_map.iter_rules():
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routes.append({
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'endpoint': rule.endpoint,
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'methods': list(rule.methods),
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'rule': str(rule)
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})
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return jsonify({
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"total_routes": len(routes),
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"routes": sorted(routes, key=lambda x: x['rule'])
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})
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@app.route('/debug/exam-routes')
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def debug_exam_routes():
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"""Debug exam-specific routes"""
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exam_routes = []
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for rule in app.url_map.iter_rules():
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if '/exam' in str(rule):
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exam_routes.append({
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'endpoint': rule.endpoint,
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'methods': list(rule.methods),
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'rule': str(rule)
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})
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return jsonify({
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"exam_routes": exam_routes,
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"exam_blueprint_registered": hasattr(exam, 'bp')
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})
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@app.route('/debug/services')
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def debug_services():
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"""Debug service availability"""
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return jsonify({
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"services": {
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"mongodb": MONGO_SERVICE_AVAILABLE,
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"web3": WEB3_SERVICE_AVAILABLE,
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"wallet": WALLET_SERVICE_AVAILABLE,
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"compiler": COMPILER_SERVICE_AVAILABLE,
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"docker": check_docker_availability()
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},
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"app_config_keys": list(app.config.keys()),
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"blueprint_count": len(app.blueprints)
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})
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# Direct exam test route
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@app.route('/api/exam/test-direct', methods=['GET', 'POST', 'OPTIONS'])
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def test_exam_direct():
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"""Direct test route for exam functionality"""
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if request.method == "OPTIONS":
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response = jsonify({'status': 'ok'})
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response.headers.add("Access-Control-Allow-Origin", "*")
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response.headers.add("Access-Control-Allow-Headers", "Content-Type,Authorization")
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response.headers.add("Access-Control-Allow-Methods", "GET,POST,OPTIONS")
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return response
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return jsonify({
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"success": True,
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"message": "Direct exam route is working",
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"method": request.method,
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"timestamp": os.popen('date').read().strip(),
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"data": request.json if request.method == "POST" else None
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})
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# Health check endpoints
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@app.route('/')
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def health_check():
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return jsonify({
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"status": "OpenLearnX API is running",
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"version": "1.0.0",
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"version": "2.0.0",
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"features": {
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"blockchain": WEB3_SERVICE_AVAILABLE,
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"coding_exams": COMPILER_SERVICE_AVAILABLE,
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"wallet_auth": WALLET_SERVICE_AVAILABLE,
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"database": MONGO_SERVICE_AVAILABLE,
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"real_compiler": COMPILER_SERVICE_AVAILABLE
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},
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"endpoints": {
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"auth": "/api/auth",
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"courses": "/api/courses",
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"admin": "/api/admin",
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"dashboard": "/api/dashboard",
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"certificates": "/api/certificate",
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"quizzes": "/api/quizzes"
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}
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"quizzes": "/api/quizzes",
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"coding_exams": "/api/exam",
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"compiler": "/api/compiler"
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},
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"debug_endpoints": [
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"/debug/routes",
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"/debug/exam-routes",
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"/debug/services",
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"/api/exam/test-direct"
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]
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})
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@app.route('/api/health')
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def api_health():
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"""Comprehensive API health check"""
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health_status = {
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"status": "healthy",
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"timestamp": os.popen('date').read().strip(),
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"services": {
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"mongodb": MONGO_SERVICE_AVAILABLE,
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"web3": WEB3_SERVICE_AVAILABLE,
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"wallet": WALLET_SERVICE_AVAILABLE,
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"compiler": COMPILER_SERVICE_AVAILABLE,
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"docker": check_docker_availability()
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},
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"configuration": {
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"cors_enabled": True,
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"debug_mode": app.debug,
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"secret_key_set": bool(app.config.get('SECRET_KEY')),
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"admin_token_set": bool(app.config.get('ADMIN_TOKEN'))
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},
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"blueprints_registered": list(app.blueprints.keys())
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}
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# Check MongoDB connection
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if MONGO_SERVICE_AVAILABLE:
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try:
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from pymongo import MongoClient
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client = MongoClient(app.config['MONGODB_URI'])
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client.admin.command('ismaster')
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health_status["services"]["mongodb_connection"] = "connected"
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except Exception as e:
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health_status["services"]["mongodb_connection"] = f"error: {str(e)}"
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health_status["status"] = "degraded"
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||||
# Check Web3 connection
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||||
if WEB3_SERVICE_AVAILABLE:
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||||
try:
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||||
if web3_service and web3_service.w3.is_connected():
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||||
health_status["services"]["web3_connection"] = "connected"
|
||||
else:
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||||
health_status["services"]["web3_connection"] = "disconnected"
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||||
health_status["status"] = "degraded"
|
||||
except Exception as e:
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||||
health_status["services"]["web3_connection"] = f"error: {str(e)}"
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||||
health_status["status"] = "degraded"
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||||
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||||
status_code = 200 if health_status["status"] == "healthy" else 503
|
||||
return jsonify(health_status), status_code
|
||||
|
||||
@app.route('/api/admin/health')
|
||||
def admin_health():
|
||||
"""Admin-specific health check"""
|
||||
return jsonify({
|
||||
"status": "Admin API is running",
|
||||
"admin_token_configured": bool(app.config.get('ADMIN_TOKEN')),
|
||||
"admin_endpoints": [
|
||||
"/api/admin/dashboard",
|
||||
"/api/admin/courses",
|
||||
"/api/admin/courses/<id>",
|
||||
"/api/admin/test" # ✅ Added test endpoint
|
||||
"/api/admin/test",
|
||||
"/api/admin/initialize"
|
||||
],
|
||||
"exam_endpoints": [
|
||||
"/api/exam/create-exam",
|
||||
"/api/exam/join-exam",
|
||||
"/api/exam/join-exam-wallet",
|
||||
"/api/exam/start-exam",
|
||||
"/api/exam/submit-solution",
|
||||
"/api/exam/leaderboard/<exam_code>",
|
||||
"/api/exam/host-dashboard/<exam_code>"
|
||||
],
|
||||
"compiler_endpoints": [
|
||||
"/api/compiler/languages",
|
||||
"/api/compiler/execute",
|
||||
"/api/compiler/execute-async",
|
||||
"/api/compiler/status/<execution_id>",
|
||||
"/api/compiler/test",
|
||||
"/api/compiler/stats"
|
||||
]
|
||||
})
|
||||
|
||||
# Error handlers
|
||||
@app.errorhandler(404)
|
||||
def not_found(error):
|
||||
return jsonify({"error": "Endpoint not found"}), 404
|
||||
return jsonify({
|
||||
"error": "Endpoint not found",
|
||||
"message": "The requested API endpoint does not exist",
|
||||
"available_endpoints": [
|
||||
"/api/auth", "/api/courses", "/api/admin",
|
||||
"/api/exam", "/api/dashboard", "/api/certificate",
|
||||
"/api/compiler"
|
||||
],
|
||||
"debug_endpoints": [
|
||||
"/debug/routes",
|
||||
"/debug/exam-routes",
|
||||
"/debug/services"
|
||||
]
|
||||
}), 404
|
||||
|
||||
@app.errorhandler(500)
|
||||
def internal_error(error):
|
||||
app.logger.error(f"Internal server error: {str(error)}")
|
||||
return jsonify({"error": "Internal server error"}), 500
|
||||
return jsonify({
|
||||
"error": "Internal server error",
|
||||
"message": "An unexpected error occurred on the server"
|
||||
}), 500
|
||||
|
||||
@app.errorhandler(403)
|
||||
def forbidden(error):
|
||||
return jsonify({
|
||||
"error": "Forbidden",
|
||||
"message": "Access denied - check your authentication"
|
||||
}), 403
|
||||
|
||||
@app.errorhandler(401)
|
||||
def unauthorized(error):
|
||||
return jsonify({
|
||||
"error": "Unauthorized",
|
||||
"message": "Authentication required"
|
||||
}), 401
|
||||
|
||||
@app.errorhandler(Exception)
|
||||
def handle_error(error):
|
||||
app.logger.error(f"Unhandled error: {str(error)}")
|
||||
return jsonify({"error": "An unexpected error occurred"}), 500
|
||||
|
||||
# Enable logging for admin operations
|
||||
logging.basicConfig(
|
||||
level=logging.INFO,
|
||||
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s' # ✅ Enhanced logging format
|
||||
)
|
||||
logger = logging.getLogger(__name__)
|
||||
return jsonify({
|
||||
"error": "An unexpected error occurred",
|
||||
"type": type(error).__name__
|
||||
}), 500
|
||||
|
||||
# Request logging and CORS handling
|
||||
@app.before_request
|
||||
def log_request_info():
|
||||
"""Enhanced request logging"""
|
||||
if '/api/admin' in request.path:
|
||||
# ✅ Enhanced admin request logging
|
||||
auth_header = request.headers.get('Authorization', 'No auth header')
|
||||
logger.info(f"Admin request: {request.method} {request.path} | Auth: {auth_header}")
|
||||
logger.info(f"Admin request: {request.method} {request.path} | Auth: {auth_header[:20]}...")
|
||||
|
||||
if '/api/exam' in request.path:
|
||||
logger.info(f"Exam request: {request.method} {request.path}")
|
||||
print(f"📝 Exam request: {request.method} {request.path}")
|
||||
|
||||
if '/api/compiler' in request.path:
|
||||
logger.info(f"Compiler request: {request.method} {request.path}")
|
||||
|
||||
# ✅ Add OPTIONS handler for CORS preflight
|
||||
@app.before_request
|
||||
def handle_preflight():
|
||||
"""Handle CORS preflight requests"""
|
||||
if request.method == "OPTIONS":
|
||||
response = jsonify()
|
||||
response = jsonify({'status': 'ok'})
|
||||
response.headers.add("Access-Control-Allow-Origin", "*")
|
||||
response.headers.add('Access-Control-Allow-Headers', "*")
|
||||
response.headers.add('Access-Control-Allow-Methods', "*")
|
||||
response.headers.add('Access-Control-Allow-Headers', "Content-Type,Authorization")
|
||||
response.headers.add('Access-Control-Allow-Methods', "GET,POST,PUT,DELETE,OPTIONS")
|
||||
response.headers.add('Access-Control-Allow-Credentials', 'true')
|
||||
return response
|
||||
|
||||
if __name__ == '__main__':
|
||||
@app.after_request
|
||||
def after_request(response):
|
||||
"""Add security headers"""
|
||||
response.headers.add('X-Content-Type-Options', 'nosniff')
|
||||
response.headers.add('X-Frame-Options', 'DENY')
|
||||
response.headers.add('X-XSS-Protection', '1; mode=block')
|
||||
return response
|
||||
|
||||
# Startup function
|
||||
def initialize_application():
|
||||
"""Initialize application with comprehensive error handling"""
|
||||
try:
|
||||
# ✅ Enhanced database initialization with better error handling
|
||||
loop = asyncio.get_event_loop()
|
||||
loop.run_until_complete(mongo_service.init_db())
|
||||
logger.info("✅ Database initialized successfully")
|
||||
logger.info("🚀 Initializing OpenLearnX Backend...")
|
||||
print("🚀 Initializing OpenLearnX Backend...")
|
||||
|
||||
# ✅ Test MongoDB connection
|
||||
from pymongo import MongoClient
|
||||
client = MongoClient(app.config['MONGODB_URI'])
|
||||
client.admin.command('ismaster')
|
||||
logger.info("✅ MongoDB connection verified")
|
||||
# Test MongoDB connection
|
||||
if MONGO_SERVICE_AVAILABLE:
|
||||
try:
|
||||
loop = asyncio.get_event_loop()
|
||||
loop.run_until_complete(mongo_service.init_db())
|
||||
logger.info("✅ Database initialized successfully")
|
||||
print("✅ Database initialized successfully")
|
||||
|
||||
logger.info("✅ OpenLearnX backend starting...")
|
||||
logger.info(f"✅ Admin panel available at: http://localhost:3000/admin/login")
|
||||
logger.info(f"✅ API health check: http://127.0.0.1:5000")
|
||||
logger.info(f"✅ Admin health check: http://127.0.0.1:5000/api/admin/health")
|
||||
from pymongo import MongoClient
|
||||
client = MongoClient(app.config['MONGODB_URI'])
|
||||
client.admin.command('ismaster')
|
||||
logger.info("✅ MongoDB connection verified")
|
||||
print("✅ MongoDB connection verified")
|
||||
except Exception as e:
|
||||
logger.error(f"❌ MongoDB initialization failed: {e}")
|
||||
print(f"❌ MongoDB initialization failed: {e}")
|
||||
|
||||
# ✅ Log admin token for debugging
|
||||
admin_token = os.getenv('ADMIN_TOKEN', 'admin-secret-key')
|
||||
logger.info(f"✅ Admin token configured: {admin_token[:8]}...")
|
||||
# Test Web3 connection
|
||||
if WEB3_SERVICE_AVAILABLE:
|
||||
try:
|
||||
if web3_service.w3.is_connected():
|
||||
logger.info("✅ Web3 connection verified")
|
||||
print("✅ Web3 connection verified")
|
||||
else:
|
||||
logger.warning("⚠️ Web3 connection failed - blockchain features disabled")
|
||||
print("⚠️ Web3 connection failed - blockchain features disabled")
|
||||
except Exception as e:
|
||||
logger.warning(f"⚠️ Web3 connection error: {e}")
|
||||
print(f"⚠️ Web3 connection error: {e}")
|
||||
|
||||
# Test Docker connection for compiler
|
||||
if COMPILER_SERVICE_AVAILABLE:
|
||||
try:
|
||||
docker_available = check_docker_availability()
|
||||
if docker_available:
|
||||
logger.info("✅ Docker connection verified - Real compiler available")
|
||||
print("✅ Docker connection verified - Real compiler available")
|
||||
else:
|
||||
logger.warning("⚠️ Docker not available - Compiler features limited")
|
||||
print("⚠️ Docker not available - Compiler features limited")
|
||||
except Exception as e:
|
||||
logger.warning(f"⚠️ Docker connection error: {e}")
|
||||
print(f"⚠️ Docker connection error: {e}")
|
||||
|
||||
# Log configuration
|
||||
logger.info("📋 Configuration Summary:")
|
||||
print("📋 Configuration Summary:")
|
||||
config_items = [
|
||||
("MongoDB", MONGO_SERVICE_AVAILABLE),
|
||||
("Blockchain", WEB3_SERVICE_AVAILABLE),
|
||||
("Wallet Service", WALLET_SERVICE_AVAILABLE),
|
||||
("Compiler Service", COMPILER_SERVICE_AVAILABLE),
|
||||
("Docker", check_docker_availability())
|
||||
]
|
||||
|
||||
for name, available in config_items:
|
||||
status = "✅ Connected" if available else "❌ Unavailable"
|
||||
logger.info(f" • {name}: {status}")
|
||||
print(f" • {name}: {status}")
|
||||
|
||||
# Log access URLs
|
||||
logger.info("🌐 Access URLs:")
|
||||
print("🌐 Access URLs:")
|
||||
|
||||
urls = [
|
||||
("API Health", "http://127.0.0.1:5000/api/health"),
|
||||
("Admin Panel", "http://localhost:3000/admin/login"),
|
||||
("Coding Exams", "http://localhost:3000/coding"),
|
||||
("Real Compiler", "http://localhost:3000/compiler"),
|
||||
("Join Exam", "http://localhost:3000/coding/join"),
|
||||
("Wallet Join", "http://localhost:3000/coding/join-wallet")
|
||||
]
|
||||
|
||||
for name, url in urls:
|
||||
logger.info(f" • {name}: {url}")
|
||||
print(f" • {name}: {url}")
|
||||
|
||||
# Debug URLs
|
||||
print("🔧 Debug URLs:")
|
||||
debug_urls = [
|
||||
("All Routes", "http://127.0.0.1:5000/debug/routes"),
|
||||
("Exam Routes", "http://127.0.0.1:5000/debug/exam-routes"),
|
||||
("Services", "http://127.0.0.1:5000/debug/services"),
|
||||
("Direct Test", "http://127.0.0.1:5000/api/exam/test-direct")
|
||||
]
|
||||
|
||||
for name, url in debug_urls:
|
||||
print(f" • {name}: {url}")
|
||||
|
||||
# Log compiler features
|
||||
if COMPILER_SERVICE_AVAILABLE:
|
||||
logger.info("💻 Compiler Features:")
|
||||
print("💻 Compiler Features:")
|
||||
features = [
|
||||
"Multi-language support: Python, Java, C++, C, JavaScript, Go, Rust, Bash",
|
||||
"Real-time code execution with output capture",
|
||||
"Secure Docker containerization",
|
||||
"Resource monitoring and limits"
|
||||
]
|
||||
|
||||
for feature in features:
|
||||
logger.info(f" • {feature}")
|
||||
print(f" • {feature}")
|
||||
|
||||
# Log admin token (partially masked)
|
||||
admin_token = app.config.get('ADMIN_TOKEN', 'admin-secret-key')
|
||||
if admin_token:
|
||||
logger.info(f"🔑 Admin token configured: {admin_token[:8]}...")
|
||||
print(f"🔑 Admin token configured: {admin_token[:8]}...")
|
||||
|
||||
return True
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"❌ Failed to initialize: {str(e)}")
|
||||
logger.error("Make sure MongoDB is running and accessible")
|
||||
logger.error(f"❌ Failed to initialize application: {str(e)}")
|
||||
print(f"❌ Failed to initialize application: {str(e)}")
|
||||
logger.error("Make sure MongoDB and Docker are running and accessible")
|
||||
print("Make sure MongoDB and Docker are running and accessible")
|
||||
return False
|
||||
|
||||
# ✅ Enhanced Flask app configuration
|
||||
app.run(
|
||||
debug=True,
|
||||
host='0.0.0.0',
|
||||
port=5000,
|
||||
threaded=True # Better for handling multiple requests
|
||||
)
|
||||
if __name__ == '__main__':
|
||||
# Initialize application
|
||||
init_success = initialize_application()
|
||||
|
||||
if not init_success:
|
||||
logger.error("❌ Application initialization failed - some features may not work")
|
||||
print("❌ Application initialization failed - some features may not work")
|
||||
|
||||
try:
|
||||
logger.info("🚀 Starting OpenLearnX Backend Server...")
|
||||
print("🚀 Starting OpenLearnX Backend Server...")
|
||||
logger.info("📚 Features: Blockchain Certificates, Coding Exams, Wallet Auth, Real Multi-language Compiler")
|
||||
print("📚 Features: Blockchain Certificates, Coding Exams, Wallet Auth, Real Multi-language Compiler")
|
||||
|
||||
# Start Flask application
|
||||
app.run(
|
||||
debug=True,
|
||||
host='0.0.0.0',
|
||||
port=5000,
|
||||
threaded=True,
|
||||
use_reloader=False
|
||||
)
|
||||
|
||||
except KeyboardInterrupt:
|
||||
logger.info("👋 Server stopped by user")
|
||||
print("👋 Server stopped by user")
|
||||
except Exception as e:
|
||||
logger.error(f"❌ Server startup failed: {str(e)}")
|
||||
print(f"❌ Server startup failed: {str(e)}")
|
||||
|
||||
+226
-74
@@ -1,88 +1,240 @@
|
||||
from flask import Blueprint, jsonify, request, current_app
|
||||
import requests
|
||||
from bson import ObjectId
|
||||
from flask import Blueprint, request, jsonify, session
|
||||
from functools import wraps
|
||||
import subprocess
|
||||
import tempfile
|
||||
import os
|
||||
import time
|
||||
import uuid
|
||||
from datetime import datetime
|
||||
import docker
|
||||
import psutil
|
||||
|
||||
bp = Blueprint('coding', __name__)
|
||||
PISTON_API_URL = "https://emkc.org/api/v2/piston/execute"
|
||||
|
||||
@bp.route("/problems", methods=["GET"])
|
||||
async def get_problems():
|
||||
mongo = current_app.config['MONGO_SERVICE']
|
||||
problems = await mongo.db.coding_problems.find().to_list(100)
|
||||
for p in problems:
|
||||
p['_id'] = str(p['_id'])
|
||||
return jsonify(problems)
|
||||
|
||||
@bp.route("/problems/<problem_id>", methods=["GET"])
|
||||
async def get_problem(problem_id):
|
||||
mongo = current_app.config['MONGO_SERVICE']
|
||||
prob = await mongo.db.coding_problems.find_one({"_id": ObjectId(problem_id)})
|
||||
if not prob:
|
||||
return jsonify({"error": "Problem not found"}), 404
|
||||
prob['_id'] = str(prob['_id'])
|
||||
return jsonify(prob)
|
||||
|
||||
@bp.route("/run", methods=["POST"])
|
||||
async def run_code():
|
||||
data = request.json
|
||||
problem_id = data.get("problem_id")
|
||||
code = data.get("code")
|
||||
language = data.get("language")
|
||||
|
||||
mongo = current_app.config['MONGO_SERVICE']
|
||||
problem = await mongo.db.coding_problems.find_one({"_id": ObjectId(problem_id)})
|
||||
if not problem:
|
||||
return jsonify({"error": "Problem not found"}), 404
|
||||
|
||||
# Concatenate all test case inputs
|
||||
input_data = '\n'.join([tc['input'] for tc in problem['test_cases']])
|
||||
def secure_execution_required(f):
|
||||
@wraps(f)
|
||||
def decorated_function(*args, **kwargs):
|
||||
# Check if user is in secure coding mode
|
||||
if not session.get('secure_coding_mode'):
|
||||
return jsonify({"error": "Secure coding mode required"}), 403
|
||||
return f(*args, **kwargs)
|
||||
return decorated_function
|
||||
|
||||
@bp.route("/start-session", methods=["POST"])
|
||||
def start_coding_session():
|
||||
"""Start a secure coding session"""
|
||||
try:
|
||||
resp = requests.post(
|
||||
PISTON_API_URL,
|
||||
json={
|
||||
"language": language,
|
||||
"source": code,
|
||||
"input": input_data
|
||||
},
|
||||
timeout=10,
|
||||
)
|
||||
resp.raise_for_status()
|
||||
result = resp.json()
|
||||
data = request.json
|
||||
course_id = data.get('course_id')
|
||||
lesson_id = data.get('lesson_id')
|
||||
|
||||
session_id = str(uuid.uuid4())
|
||||
session['coding_session_id'] = session_id
|
||||
session['secure_coding_mode'] = True
|
||||
session['start_time'] = datetime.now().isoformat()
|
||||
session['course_id'] = course_id
|
||||
session['lesson_id'] = lesson_id
|
||||
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"session_id": session_id,
|
||||
"message": "Secure coding session started",
|
||||
"restrictions": {
|
||||
"copy_paste_disabled": True,
|
||||
"browser_locked": True,
|
||||
"extensions_blocked": True,
|
||||
"virtual_detection": True
|
||||
}
|
||||
})
|
||||
except Exception as e:
|
||||
return jsonify({"error": str(e)}), 500
|
||||
|
||||
# Compare output against expected (simple line-by-line check)
|
||||
output_lines = result.get("output", "").strip().split('\n')
|
||||
expected_outputs = [tc['expected_output'].strip() for tc in problem['test_cases']]
|
||||
correct = output_lines == expected_outputs
|
||||
@bp.route("/execute", methods=["POST"])
|
||||
@secure_execution_required
|
||||
def execute_code():
|
||||
"""Execute code securely in isolated environment"""
|
||||
try:
|
||||
data = request.json
|
||||
code = data.get('code')
|
||||
language = data.get('language', 'python')
|
||||
test_cases = data.get('test_cases', [])
|
||||
|
||||
return jsonify({
|
||||
"output": result.get("output"),
|
||||
"error": result.get("stderr"),
|
||||
"runtime": result.get("stats", {}).get("duration"),
|
||||
"correct": correct,
|
||||
if not code:
|
||||
return jsonify({"error": "No code provided"}), 400
|
||||
|
||||
# Log coding attempt
|
||||
log_coding_attempt(session['coding_session_id'], code, language)
|
||||
|
||||
# Execute code in secure container
|
||||
result = execute_in_container(code, language, test_cases)
|
||||
|
||||
return jsonify(result)
|
||||
except Exception as e:
|
||||
return jsonify({"error": str(e)}), 500
|
||||
|
||||
@bp.route("/submit-test", methods=["POST"])
|
||||
@secure_execution_required
|
||||
def submit_coding_test():
|
||||
"""Submit coding test for evaluation"""
|
||||
try:
|
||||
data = request.json
|
||||
code = data.get('code')
|
||||
problem_id = data.get('problem_id')
|
||||
|
||||
# Validate against test cases
|
||||
test_result = validate_test_submission(code, problem_id)
|
||||
|
||||
# Store submission
|
||||
submission_id = store_submission(
|
||||
session['coding_session_id'],
|
||||
session['course_id'],
|
||||
problem_id,
|
||||
code,
|
||||
test_result
|
||||
)
|
||||
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"submission_id": submission_id,
|
||||
"score": test_result['score'],
|
||||
"passed_tests": test_result['passed'],
|
||||
"total_tests": test_result['total'],
|
||||
"feedback": test_result['feedback']
|
||||
})
|
||||
except Exception as e:
|
||||
return jsonify({"error": str(e)}), 500
|
||||
|
||||
def execute_in_container(code, language, test_cases):
|
||||
"""Execute code in secure Docker container"""
|
||||
try:
|
||||
client = docker.from_env()
|
||||
|
||||
# Language-specific container configuration
|
||||
containers = {
|
||||
'python': 'python:3.9-alpine',
|
||||
'java': 'openjdk:11-alpine',
|
||||
'javascript': 'node:16-alpine'
|
||||
}
|
||||
|
||||
if language not in containers:
|
||||
return {"error": "Unsupported language"}
|
||||
|
||||
# Create temporary file
|
||||
with tempfile.NamedTemporaryFile(mode='w', suffix=f'.{get_file_extension(language)}', delete=False) as f:
|
||||
f.write(code)
|
||||
temp_file = f.name
|
||||
|
||||
try:
|
||||
# Run container with security restrictions
|
||||
container = client.containers.run(
|
||||
containers[language],
|
||||
command=get_run_command(language, temp_file),
|
||||
volumes={os.path.dirname(temp_file): {'bind': '/app', 'mode': 'ro'}},
|
||||
working_dir='/app',
|
||||
mem_limit='128m',
|
||||
cpu_period=100000,
|
||||
cpu_quota=50000, # 50% CPU limit
|
||||
network_mode='none', # No network access
|
||||
remove=True,
|
||||
timeout=10, # 10 second timeout
|
||||
detach=False
|
||||
)
|
||||
|
||||
output = container.decode('utf-8')
|
||||
|
||||
# Run test cases if provided
|
||||
test_results = []
|
||||
if test_cases:
|
||||
for test in test_cases:
|
||||
test_result = run_test_case(code, language, test)
|
||||
test_results.append(test_result)
|
||||
|
||||
return {
|
||||
"success": True,
|
||||
"output": output,
|
||||
"test_results": test_results,
|
||||
"execution_time": "< 10s"
|
||||
}
|
||||
|
||||
finally:
|
||||
os.unlink(temp_file)
|
||||
|
||||
except docker.errors.ContainerError as e:
|
||||
return {"error": f"Runtime error: {e}"}
|
||||
except docker.errors.ImageNotFound:
|
||||
return {"error": "Language runtime not available"}
|
||||
except Exception as e:
|
||||
return {"error": f"Execution failed: {str(e)}"}
|
||||
|
||||
def get_file_extension(language):
|
||||
extensions = {
|
||||
'python': 'py',
|
||||
'java': 'java',
|
||||
'javascript': 'js'
|
||||
}
|
||||
return extensions.get(language, 'txt')
|
||||
|
||||
def get_run_command(language, filename):
|
||||
commands = {
|
||||
'python': f'python /app/{os.path.basename(filename)}',
|
||||
'java': f'javac /app/{os.path.basename(filename)} && java -cp /app {os.path.splitext(os.path.basename(filename))[0]}',
|
||||
'javascript': f'node /app/{os.path.basename(filename)}'
|
||||
}
|
||||
return commands.get(language)
|
||||
|
||||
def log_coding_attempt(session_id, code, language):
|
||||
"""Log all coding attempts for monitoring"""
|
||||
from pymongo import MongoClient
|
||||
|
||||
client = MongoClient(os.getenv('MONGODB_URI', 'mongodb://localhost:27017/'))
|
||||
db = client.openlearnx
|
||||
|
||||
db.coding_logs.insert_one({
|
||||
"session_id": session_id,
|
||||
"code": code,
|
||||
"language": language,
|
||||
"timestamp": datetime.now(),
|
||||
"ip_address": request.remote_addr,
|
||||
"user_agent": request.headers.get('User-Agent')
|
||||
})
|
||||
|
||||
@bp.route("/submit", methods=["POST"])
|
||||
async def submit_solution():
|
||||
# Same as run_code, but can mark problem as solved
|
||||
user = await get_authenticated_user()
|
||||
if not user:
|
||||
return jsonify({"error": "Unauthorized"}), 401
|
||||
def validate_test_submission(code, problem_id):
|
||||
"""Validate code against predefined test cases"""
|
||||
# Load test cases for the problem
|
||||
test_cases = get_problem_test_cases(problem_id)
|
||||
|
||||
# Run the code first
|
||||
result = await run_code()
|
||||
jres = result.get_json()
|
||||
passed = 0
|
||||
total = len(test_cases)
|
||||
feedback = []
|
||||
|
||||
if jres.get("correct"):
|
||||
mongo = current_app.config['MONGO_SERVICE']
|
||||
# Record that user solved problem
|
||||
await mongo.db.user_solutions.update_one(
|
||||
{"user_id": user['_id'], "problem_id": jres.get('problem_id')},
|
||||
{"$set": {"solved": True, "solved_at": datetime.utcnow()}},
|
||||
upsert=True
|
||||
)
|
||||
return jsonify(jres)
|
||||
``
|
||||
for i, test_case in enumerate(test_cases):
|
||||
result = run_test_case(code, 'python', test_case)
|
||||
if result['passed']:
|
||||
passed += 1
|
||||
feedback.append(f"Test {i+1}: ✅ Passed")
|
||||
else:
|
||||
feedback.append(f"Test {i+1}: ❌ Failed - {result['error']}")
|
||||
|
||||
score = (passed / total) * 100
|
||||
|
||||
return {
|
||||
"score": score,
|
||||
"passed": passed,
|
||||
"total": total,
|
||||
"feedback": feedback
|
||||
}
|
||||
|
||||
def get_problem_test_cases(problem_id):
|
||||
"""Get test cases for a specific problem"""
|
||||
# This would load from your database
|
||||
test_cases_db = {
|
||||
"python-basics-1": [
|
||||
{"input": "hello", "expected_output": "HELLO"},
|
||||
{"input": "world", "expected_output": "WORLD"}
|
||||
],
|
||||
"java-oop-1": [
|
||||
{"input": "5", "expected_output": "25"},
|
||||
{"input": "10", "expected_output": "100"}
|
||||
]
|
||||
}
|
||||
return test_cases_db.get(problem_id, [])
|
||||
|
||||
@@ -0,0 +1,165 @@
|
||||
from flask import Blueprint, request, jsonify, session
|
||||
from services.real_compiler_service import real_compiler_service
|
||||
import uuid
|
||||
from datetime import datetime
|
||||
|
||||
bp = Blueprint('compiler', __name__)
|
||||
|
||||
@bp.route("/languages", methods=["GET"])
|
||||
def get_supported_languages():
|
||||
"""Get list of supported programming languages"""
|
||||
try:
|
||||
languages = real_compiler_service.get_supported_languages()
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"languages": languages,
|
||||
"total_languages": len(languages)
|
||||
})
|
||||
except Exception as e:
|
||||
return jsonify({"error": str(e)}), 500
|
||||
|
||||
@bp.route("/execute", methods=["POST"])
|
||||
def execute_code():
|
||||
"""Execute code and return real output"""
|
||||
try:
|
||||
data = request.json
|
||||
|
||||
# Validate input
|
||||
code = data.get('code', '').strip()
|
||||
language = data.get('language', 'python')
|
||||
input_data = data.get('input', '')
|
||||
|
||||
if not code:
|
||||
return jsonify({"error": "No code provided"}), 400
|
||||
|
||||
if language not in [lang['id'] for lang in real_compiler_service.get_supported_languages()]:
|
||||
return jsonify({"error": f"Language '{language}' not supported"}), 400
|
||||
|
||||
# Generate execution ID
|
||||
execution_id = str(uuid.uuid4())
|
||||
|
||||
# Execute code
|
||||
result = real_compiler_service.execute_code(
|
||||
code=code,
|
||||
language=language,
|
||||
input_data=input_data,
|
||||
execution_id=execution_id
|
||||
)
|
||||
|
||||
return jsonify(result)
|
||||
|
||||
except Exception as e:
|
||||
return jsonify({"error": f"Execution failed: {str(e)}"}), 500
|
||||
|
||||
@bp.route("/execute-async", methods=["POST"])
|
||||
def execute_code_async():
|
||||
"""Start asynchronous code execution"""
|
||||
try:
|
||||
data = request.json
|
||||
execution_id = str(uuid.uuid4())
|
||||
|
||||
# Add to execution queue
|
||||
real_compiler_service.execution_queue.put({
|
||||
'execution_id': execution_id,
|
||||
'code': data.get('code'),
|
||||
'language': data.get('language', 'python'),
|
||||
'input_data': data.get('input', ''),
|
||||
'callback_url': data.get('callback_url')
|
||||
})
|
||||
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"execution_id": execution_id,
|
||||
"message": "Code execution started",
|
||||
"status_url": f"/api/compiler/status/{execution_id}"
|
||||
})
|
||||
|
||||
except Exception as e:
|
||||
return jsonify({"error": str(e)}), 500
|
||||
|
||||
@bp.route("/status/<execution_id>", methods=["GET"])
|
||||
def get_execution_status(execution_id):
|
||||
"""Get status of code execution"""
|
||||
try:
|
||||
status = real_compiler_service.get_execution_status(execution_id)
|
||||
|
||||
if status:
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"execution_id": execution_id,
|
||||
"status": status['status'],
|
||||
"start_time": status['start_time'].isoformat(),
|
||||
"language": status['language']
|
||||
})
|
||||
else:
|
||||
return jsonify({
|
||||
"success": False,
|
||||
"error": "Execution not found"
|
||||
}), 404
|
||||
|
||||
except Exception as e:
|
||||
return jsonify({"error": str(e)}), 500
|
||||
|
||||
@bp.route("/cancel/<execution_id>", methods=["POST"])
|
||||
def cancel_execution(execution_id):
|
||||
"""Cancel a running execution"""
|
||||
try:
|
||||
success = real_compiler_service.cancel_execution(execution_id)
|
||||
|
||||
return jsonify({
|
||||
"success": success,
|
||||
"message": "Execution cancelled" if success else "Execution not found"
|
||||
})
|
||||
|
||||
except Exception as e:
|
||||
return jsonify({"error": str(e)}), 500
|
||||
|
||||
@bp.route("/test", methods=["POST"])
|
||||
def test_compiler():
|
||||
"""Test compiler with sample code"""
|
||||
try:
|
||||
language = request.json.get('language', 'python')
|
||||
|
||||
test_codes = {
|
||||
'python': 'print("Hello from OpenLearnX Python Compiler!")\nprint("Current time:", __import__("datetime").datetime.now())',
|
||||
'java': 'public class Main {\n public static void main(String[] args) {\n System.out.println("Hello from OpenLearnX Java Compiler!");\n }\n}',
|
||||
'cpp': '#include <iostream>\nint main() {\n std::cout << "Hello from OpenLearnX C++ Compiler!" << std::endl;\n return 0;\n}',
|
||||
'javascript': 'console.log("Hello from OpenLearnX JavaScript Compiler!");',
|
||||
'go': 'package main\nimport "fmt"\nfunc main() {\n fmt.Println("Hello from OpenLearnX Go Compiler!")\n}',
|
||||
'rust': 'fn main() {\n println!("Hello from OpenLearnX Rust Compiler!");\n}'
|
||||
}
|
||||
|
||||
test_code = test_codes.get(language, test_codes['python'])
|
||||
|
||||
result = real_compiler_service.execute_code(
|
||||
code=test_code,
|
||||
language=language,
|
||||
input_data=""
|
||||
)
|
||||
|
||||
return jsonify(result)
|
||||
|
||||
except Exception as e:
|
||||
return jsonify({"error": str(e)}), 500
|
||||
|
||||
@bp.route("/stats", methods=["GET"])
|
||||
def get_compiler_stats():
|
||||
"""Get compiler service statistics"""
|
||||
try:
|
||||
active_executions = len(real_compiler_service.active_executions)
|
||||
queue_size = real_compiler_service.execution_queue.qsize()
|
||||
supported_languages = len(real_compiler_service.language_configs)
|
||||
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"stats": {
|
||||
"active_executions": active_executions,
|
||||
"queue_size": queue_size,
|
||||
"supported_languages": supported_languages,
|
||||
"max_concurrent": real_compiler_service.max_concurrent_executions
|
||||
},
|
||||
"uptime": datetime.now().isoformat()
|
||||
})
|
||||
|
||||
except Exception as e:
|
||||
return jsonify({"error": str(e)}), 500
|
||||
@@ -0,0 +1,515 @@
|
||||
from flask import Blueprint, request, jsonify, session
|
||||
import uuid
|
||||
import random
|
||||
import string
|
||||
from datetime import datetime, timedelta
|
||||
from pymongo import MongoClient
|
||||
import os
|
||||
|
||||
bp = Blueprint('exam', __name__)
|
||||
|
||||
# MongoDB connection
|
||||
mongo_uri = os.getenv('MONGODB_URI', 'mongodb://localhost:27017/')
|
||||
client = MongoClient(mongo_uri)
|
||||
db = client.openlearnx
|
||||
|
||||
def generate_exam_code():
|
||||
"""Generate a unique 6-character exam code"""
|
||||
while True:
|
||||
code = ''.join(random.choices(string.ascii_uppercase + string.digits, k=6))
|
||||
if not db.exams.find_one({"exam_code": code}):
|
||||
return code
|
||||
|
||||
@bp.route("/create-exam", methods=["POST", "OPTIONS"])
|
||||
def create_exam():
|
||||
"""Create a new coding exam"""
|
||||
# Handle OPTIONS request for CORS
|
||||
if request.method == "OPTIONS":
|
||||
response = jsonify({'status': 'ok'})
|
||||
response.headers.add("Access-Control-Allow-Origin", "*")
|
||||
response.headers.add("Access-Control-Allow-Headers", "Content-Type,Authorization")
|
||||
response.headers.add("Access-Control-Allow-Methods", "POST,OPTIONS")
|
||||
return response
|
||||
|
||||
try:
|
||||
print(f"Received create-exam request")
|
||||
|
||||
data = request.json
|
||||
print(f"Request data: {data}")
|
||||
|
||||
if not data:
|
||||
print("❌ No data provided")
|
||||
return jsonify({"error": "No data provided"}), 400
|
||||
|
||||
# Check for basic required fields
|
||||
if not data.get('title'):
|
||||
print("❌ Missing title")
|
||||
return jsonify({"error": "Missing required field: title"}), 400
|
||||
|
||||
if not data.get('host_name'):
|
||||
print("❌ Missing host_name")
|
||||
return jsonify({"error": "Missing required field: host_name"}), 400
|
||||
|
||||
# Handle different problem data formats
|
||||
problem_title = data.get('problem_title') or data.get('title') or 'Coding Challenge'
|
||||
problem_description = data.get('problem_description') or f"Solve the {problem_title} problem"
|
||||
|
||||
# Handle problem_id if provided
|
||||
if data.get('problem_id'):
|
||||
problem_title = problem_title or data.get('problem_id').replace('-', ' ').title()
|
||||
print(f"Using problem_id: {data.get('problem_id')}")
|
||||
|
||||
exam_code = generate_exam_code()
|
||||
|
||||
exam = {
|
||||
"exam_code": exam_code,
|
||||
"title": data.get('title'),
|
||||
"host_name": data.get('host_name'),
|
||||
"created_at": datetime.now(),
|
||||
"status": "waiting",
|
||||
"duration_minutes": data.get('duration_minutes', 30),
|
||||
"max_participants": data.get('max_participants', 50),
|
||||
"problem": {
|
||||
"title": problem_title,
|
||||
"description": problem_description,
|
||||
"function_name": data.get('function_name', 'solve'),
|
||||
"languages": data.get('languages', ['python']),
|
||||
"test_cases": data.get('test_cases', [
|
||||
{
|
||||
"input": "hello world",
|
||||
"expected_output": "Hello World",
|
||||
"description": "Basic capitalization test"
|
||||
}
|
||||
]),
|
||||
"starter_code": data.get('starter_code', {
|
||||
'python': 'def solve(input_string):\n # Write your solution here\n return input_string.title()',
|
||||
'java': 'public String solve(String inputString) {\n // Write your solution here\n return inputString;\n}',
|
||||
'javascript': 'function solve(inputString) {\n // Write your solution here\n return inputString;\n}'
|
||||
}),
|
||||
"constraints": data.get('constraints', ['Input will be a string', 'Length between 1-1000 characters']),
|
||||
"examples": data.get('examples', [
|
||||
{
|
||||
"input": "hello world",
|
||||
"expected_output": "Hello World",
|
||||
"description": "Capitalize each word"
|
||||
}
|
||||
])
|
||||
},
|
||||
"participants": [],
|
||||
"leaderboard": [],
|
||||
"start_time": None,
|
||||
"end_time": None
|
||||
}
|
||||
|
||||
print(f"✅ Creating exam with code: {exam_code}")
|
||||
print(f"✅ Problem title: {problem_title}")
|
||||
|
||||
# Insert into database
|
||||
result = db.exams.insert_one(exam)
|
||||
|
||||
print(f"✅ Exam created successfully with ID: {result.inserted_id}")
|
||||
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"exam_code": exam_code,
|
||||
"exam_id": str(result.inserted_id),
|
||||
"message": f"Exam created successfully! Share code: {exam_code}",
|
||||
"exam_details": {
|
||||
"title": exam['title'],
|
||||
"problem_title": problem_title,
|
||||
"duration": exam['duration_minutes'],
|
||||
"max_participants": exam['max_participants'],
|
||||
"languages": exam['problem']['languages']
|
||||
}
|
||||
})
|
||||
|
||||
except Exception as e:
|
||||
print(f"❌ Error creating exam: {str(e)}")
|
||||
import traceback
|
||||
traceback.print_exc()
|
||||
return jsonify({"error": f"Failed to create exam: {str(e)}"}), 500
|
||||
|
||||
@bp.route("/join-exam", methods=["POST", "OPTIONS"])
|
||||
def join_exam():
|
||||
"""Student joins exam using unique code and their name"""
|
||||
if request.method == "OPTIONS":
|
||||
response = jsonify({'status': 'ok'})
|
||||
response.headers.add("Access-Control-Allow-Origin", "*")
|
||||
response.headers.add("Access-Control-Allow-Headers", "Content-Type,Authorization")
|
||||
response.headers.add("Access-Control-Allow-Methods", "POST,OPTIONS")
|
||||
return response
|
||||
|
||||
try:
|
||||
# Debug logging for the request
|
||||
print(f"🔍 Raw request data: {request.data}")
|
||||
print(f"🔍 Content-Type: {request.headers.get('Content-Type')}")
|
||||
|
||||
data = request.json
|
||||
print(f"🔍 Parsed JSON data: {data}")
|
||||
|
||||
if not data:
|
||||
print("❌ No JSON data received")
|
||||
return jsonify({"error": "No data provided"}), 400
|
||||
|
||||
exam_code = data.get('exam_code', '').upper().strip()
|
||||
student_name = data.get('student_name', '').strip()
|
||||
|
||||
print(f"📝 Join exam request - Code: {exam_code}, Name: {student_name}")
|
||||
|
||||
# Enhanced validation with detailed error messages
|
||||
if not exam_code:
|
||||
print("❌ Missing exam_code")
|
||||
return jsonify({"error": "Exam code is required"}), 400
|
||||
|
||||
if not student_name:
|
||||
print("❌ Missing student_name")
|
||||
return jsonify({"error": "Student name is required"}), 400
|
||||
|
||||
# Check if exam exists
|
||||
exam = db.exams.find_one({"exam_code": exam_code})
|
||||
if not exam:
|
||||
print(f"❌ Exam not found: {exam_code}")
|
||||
return jsonify({"error": "Invalid exam code"}), 404
|
||||
|
||||
print(f"✅ Found exam: {exam['title']} (Status: {exam['status']})")
|
||||
|
||||
# Check exam status
|
||||
if exam['status'] == 'completed':
|
||||
print("❌ Exam already completed")
|
||||
return jsonify({"error": "This exam has already ended"}), 400
|
||||
|
||||
# Check capacity
|
||||
current_participants = exam.get('participants', [])
|
||||
max_participants = exam.get('max_participants', 50)
|
||||
|
||||
if len(current_participants) >= max_participants:
|
||||
print(f"❌ Exam full: {len(current_participants)}/{max_participants}")
|
||||
return jsonify({"error": "Exam is full"}), 400
|
||||
|
||||
# Check if name is already taken
|
||||
existing_names = [p['name'].lower() for p in current_participants]
|
||||
if student_name.lower() in existing_names:
|
||||
print(f"❌ Name already taken: {student_name}")
|
||||
return jsonify({"error": "Name already taken. Please choose a different name."}), 400
|
||||
|
||||
# Create new participant
|
||||
participant = {
|
||||
"name": student_name,
|
||||
"joined_at": datetime.now(),
|
||||
"session_id": str(uuid.uuid4()),
|
||||
"score": 0,
|
||||
"submission": None,
|
||||
"language": None,
|
||||
"submission_time": None,
|
||||
"completed": False,
|
||||
"rank": 0,
|
||||
"test_results": []
|
||||
}
|
||||
|
||||
# Add participant to exam
|
||||
result = db.exams.update_one(
|
||||
{"exam_code": exam_code},
|
||||
{"$push": {"participants": participant}}
|
||||
)
|
||||
|
||||
if result.modified_count == 0:
|
||||
print("❌ Failed to add participant to database")
|
||||
return jsonify({"error": "Failed to join exam"}), 500
|
||||
|
||||
# Set session data
|
||||
session['exam_code'] = exam_code
|
||||
session['student_name'] = student_name
|
||||
session['session_id'] = participant['session_id']
|
||||
|
||||
print(f"✅ Participant {student_name} joined exam {exam_code}")
|
||||
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"message": f"Successfully joined exam: {exam['title']}",
|
||||
"exam_info": {
|
||||
"title": exam['title'],
|
||||
"duration_minutes": exam['duration_minutes'],
|
||||
"status": exam['status'],
|
||||
"participants_count": len(current_participants) + 1,
|
||||
"max_participants": max_participants,
|
||||
"languages": exam.get('problem', {}).get('languages', ['python']),
|
||||
"problem_title": exam.get('problem', {}).get('title', '')
|
||||
}
|
||||
})
|
||||
|
||||
except Exception as e:
|
||||
print(f"❌ Error joining exam: {str(e)}")
|
||||
import traceback
|
||||
traceback.print_exc()
|
||||
return jsonify({"error": f"Failed to join exam: {str(e)}"}), 500
|
||||
|
||||
@bp.route("/start-exam", methods=["POST", "OPTIONS"])
|
||||
def start_exam():
|
||||
"""Host starts the exam"""
|
||||
if request.method == "OPTIONS":
|
||||
response = jsonify({'status': 'ok'})
|
||||
response.headers.add("Access-Control-Allow-Origin", "*")
|
||||
response.headers.add("Access-Control-Allow-Headers", "Content-Type,Authorization")
|
||||
response.headers.add("Access-Control-Allow-Methods", "POST,OPTIONS")
|
||||
return response
|
||||
|
||||
try:
|
||||
data = request.json
|
||||
exam_code = data.get('exam_code')
|
||||
|
||||
print(f"📝 Start exam request - Code: {exam_code}")
|
||||
|
||||
exam = db.exams.find_one({"exam_code": exam_code})
|
||||
if not exam:
|
||||
return jsonify({"error": "Exam not found"}), 404
|
||||
|
||||
if exam['status'] != 'waiting':
|
||||
return jsonify({"error": "Exam has already started or ended"}), 400
|
||||
|
||||
start_time = datetime.now()
|
||||
end_time = start_time + timedelta(minutes=exam['duration_minutes'])
|
||||
|
||||
db.exams.update_one(
|
||||
{"exam_code": exam_code},
|
||||
{
|
||||
"$set": {
|
||||
"status": "active",
|
||||
"start_time": start_time,
|
||||
"end_time": end_time
|
||||
}
|
||||
}
|
||||
)
|
||||
|
||||
print(f"✅ Exam {exam_code} started successfully")
|
||||
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"message": "Exam started successfully!",
|
||||
"start_time": start_time.isoformat(),
|
||||
"end_time": end_time.isoformat(),
|
||||
"participants_count": len(exam.get('participants', []))
|
||||
})
|
||||
except Exception as e:
|
||||
print(f"❌ Error starting exam: {str(e)}")
|
||||
return jsonify({"error": str(e)}), 500
|
||||
|
||||
@bp.route("/leaderboard/<exam_code>", methods=["GET", "OPTIONS"])
|
||||
def get_leaderboard(exam_code):
|
||||
"""Get real-time leaderboard visible to all participants"""
|
||||
if request.method == "OPTIONS":
|
||||
response = jsonify({'status': 'ok'})
|
||||
response.headers.add("Access-Control-Allow-Origin", "*")
|
||||
response.headers.add("Access-Control-Allow-Headers", "Content-Type,Authorization")
|
||||
response.headers.add("Access-Control-Allow-Methods", "GET,OPTIONS")
|
||||
return response
|
||||
|
||||
try:
|
||||
print(f"📝 Leaderboard request - Code: {exam_code}")
|
||||
|
||||
exam = db.exams.find_one({"exam_code": exam_code.upper()})
|
||||
if not exam:
|
||||
return jsonify({"error": "Exam not found"}), 404
|
||||
|
||||
participants = exam.get('participants', [])
|
||||
|
||||
# Sort by score and submission time
|
||||
completed_participants = [p for p in participants if p.get('completed', False)]
|
||||
leaderboard = sorted(
|
||||
completed_participants,
|
||||
key=lambda x: (-x.get('score', 0), x.get('submission_time', datetime.now()))
|
||||
)
|
||||
|
||||
# Add rank to each participant
|
||||
for i, participant in enumerate(leaderboard):
|
||||
participant['rank'] = i + 1
|
||||
|
||||
waiting_participants = [p for p in participants if not p.get('completed', False)]
|
||||
|
||||
# Calculate statistics
|
||||
total_score = sum(p.get('score', 0) for p in completed_participants)
|
||||
avg_score = total_score / len(completed_participants) if completed_participants else 0
|
||||
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"exam_info": {
|
||||
"title": exam['title'],
|
||||
"status": exam['status'],
|
||||
"duration_minutes": exam['duration_minutes'],
|
||||
"start_time": exam.get('start_time'),
|
||||
"end_time": exam.get('end_time'),
|
||||
"problem_title": exam.get('problem', {}).get('title', '')
|
||||
},
|
||||
"leaderboard": leaderboard,
|
||||
"waiting_participants": waiting_participants,
|
||||
"stats": {
|
||||
"total_participants": len(participants),
|
||||
"completed_submissions": len(completed_participants),
|
||||
"waiting_submissions": len(waiting_participants),
|
||||
"average_score": round(avg_score, 1),
|
||||
"highest_score": max((p.get('score', 0) for p in completed_participants), default=0)
|
||||
}
|
||||
})
|
||||
except Exception as e:
|
||||
print(f"❌ Error getting leaderboard: {str(e)}")
|
||||
return jsonify({"error": str(e)}), 500
|
||||
|
||||
@bp.route("/get-problem/<exam_code>", methods=["GET", "OPTIONS"])
|
||||
def get_exam_problem(exam_code):
|
||||
"""Get problem details for participants"""
|
||||
if request.method == "OPTIONS":
|
||||
response = jsonify({'status': 'ok'})
|
||||
response.headers.add("Access-Control-Allow-Origin", "*")
|
||||
response.headers.add("Access-Control-Allow-Headers", "Content-Type,Authorization")
|
||||
response.headers.add("Access-Control-Allow-Methods", "GET,OPTIONS")
|
||||
return response
|
||||
|
||||
try:
|
||||
exam = db.exams.find_one({"exam_code": exam_code.upper()})
|
||||
if not exam:
|
||||
return jsonify({"error": "Exam not found"}), 404
|
||||
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"problem": exam.get('problem', {}),
|
||||
"exam_info": {
|
||||
"title": exam['title'],
|
||||
"status": exam['status'],
|
||||
"duration_minutes": exam['duration_minutes']
|
||||
}
|
||||
})
|
||||
except Exception as e:
|
||||
return jsonify({"error": str(e)}), 500
|
||||
|
||||
@bp.route("/host-dashboard/<exam_code>", methods=["GET", "OPTIONS"])
|
||||
def get_host_dashboard(exam_code):
|
||||
"""Get comprehensive host dashboard data"""
|
||||
if request.method == "OPTIONS":
|
||||
response = jsonify({'status': 'ok'})
|
||||
response.headers.add("Access-Control-Allow-Origin", "*")
|
||||
response.headers.add("Access-Control-Allow-Headers", "Content-Type,Authorization")
|
||||
response.headers.add("Access-Control-Allow-Methods", "GET,OPTIONS")
|
||||
return response
|
||||
|
||||
try:
|
||||
exam = db.exams.find_one({"exam_code": exam_code.upper()})
|
||||
if not exam:
|
||||
return jsonify({"error": "Exam not found"}), 404
|
||||
|
||||
participants = exam.get('participants', [])
|
||||
|
||||
# Separate participants by status
|
||||
completed_participants = [p for p in participants if p.get('completed', False)]
|
||||
waiting_participants = [p for p in participants if not p.get('completed', False)]
|
||||
|
||||
# Sort leaderboard
|
||||
leaderboard = sorted(
|
||||
completed_participants,
|
||||
key=lambda x: (-x.get('score', 0), x.get('submission_time', datetime.now()))
|
||||
)
|
||||
|
||||
# Add ranks
|
||||
for i, participant in enumerate(leaderboard):
|
||||
participant['rank'] = i + 1
|
||||
|
||||
# Calculate time statistics
|
||||
current_time = datetime.now()
|
||||
start_time = exam.get('start_time')
|
||||
end_time = exam.get('end_time')
|
||||
|
||||
time_elapsed = 0
|
||||
time_remaining = 0
|
||||
|
||||
if start_time:
|
||||
time_elapsed = int((current_time - start_time).total_seconds())
|
||||
|
||||
if end_time and current_time < end_time:
|
||||
time_remaining = int((end_time - current_time).total_seconds())
|
||||
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"exam_info": {
|
||||
"exam_code": exam['exam_code'],
|
||||
"title": exam['title'],
|
||||
"status": exam['status'],
|
||||
"duration_minutes": exam['duration_minutes'],
|
||||
"max_participants": exam.get('max_participants', 50),
|
||||
"created_at": exam.get('created_at'),
|
||||
"start_time": start_time,
|
||||
"end_time": end_time,
|
||||
"time_elapsed": time_elapsed,
|
||||
"time_remaining": time_remaining
|
||||
},
|
||||
"participants": {
|
||||
"total": len(participants),
|
||||
"completed": len(completed_participants),
|
||||
"working": len(waiting_participants),
|
||||
"all_participants": sorted(participants, key=lambda x: x.get('joined_at', datetime.now())),
|
||||
"recent_joins": sorted(participants, key=lambda x: x.get('joined_at', datetime.now()), reverse=True)[:5]
|
||||
},
|
||||
"leaderboard": leaderboard,
|
||||
"statistics": {
|
||||
"average_score": sum(p.get('score', 0) for p in completed_participants) / len(completed_participants) if completed_participants else 0,
|
||||
"highest_score": max((p.get('score', 0) for p in completed_participants), default=0),
|
||||
"lowest_score": min((p.get('score', 0) for p in completed_participants), default=0),
|
||||
"completion_rate": (len(completed_participants) / len(participants) * 100) if participants else 0
|
||||
},
|
||||
"problem": exam.get('problem', {})
|
||||
})
|
||||
except Exception as e:
|
||||
return jsonify({"error": str(e)}), 500
|
||||
|
||||
@bp.route("/debug-join-data", methods=["POST", "OPTIONS"])
|
||||
def debug_join_data():
|
||||
"""Debug what data is actually being received"""
|
||||
if request.method == "OPTIONS":
|
||||
response = jsonify({'status': 'ok'})
|
||||
response.headers.add("Access-Control-Allow-Origin", "*")
|
||||
response.headers.add("Access-Control-Allow-Headers", "Content-Type,Authorization")
|
||||
response.headers.add("Access-Control-Allow-Methods", "POST,OPTIONS")
|
||||
return response
|
||||
|
||||
print(f"🔍 Raw request data: {request.data}")
|
||||
print(f"🔍 Request JSON: {request.json}")
|
||||
print(f"🔍 Content-Type: {request.headers.get('Content-Type')}")
|
||||
|
||||
return jsonify({
|
||||
"received_raw": request.data.decode() if request.data else None,
|
||||
"received_json": request.json,
|
||||
"content_type": request.headers.get('Content-Type'),
|
||||
"success": True
|
||||
})
|
||||
|
||||
@bp.route("/test", methods=["GET"])
|
||||
def test_exam_route():
|
||||
"""Test if exam routes are working"""
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"message": "Exam routes are working",
|
||||
"timestamp": datetime.now().isoformat(),
|
||||
"available_routes": [
|
||||
"/api/exam/create-exam",
|
||||
"/api/exam/join-exam",
|
||||
"/api/exam/start-exam",
|
||||
"/api/exam/leaderboard/<exam_code>",
|
||||
"/api/exam/get-problem/<exam_code>",
|
||||
"/api/exam/host-dashboard/<exam_code>",
|
||||
"/api/exam/debug-join-data"
|
||||
]
|
||||
})
|
||||
|
||||
@bp.route("/", methods=["GET"])
|
||||
def exam_root():
|
||||
"""Exam route root"""
|
||||
return jsonify({
|
||||
"message": "OpenLearnX Exam API",
|
||||
"available_endpoints": [
|
||||
"/api/exam/create-exam",
|
||||
"/api/exam/join-exam",
|
||||
"/api/exam/start-exam",
|
||||
"/api/exam/leaderboard/<exam_code>",
|
||||
"/api/exam/get-problem/<exam_code>",
|
||||
"/api/exam/host-dashboard/<exam_code>",
|
||||
"/api/exam/test",
|
||||
"/api/exam/debug-join-data"
|
||||
]
|
||||
})
|
||||
@@ -0,0 +1,42 @@
|
||||
import docker
|
||||
import tempfile
|
||||
import os # ✅ Make sure this is imported
|
||||
import subprocess
|
||||
import time
|
||||
from typing import Dict, List, Any
|
||||
import json
|
||||
|
||||
class CompilerService:
|
||||
def __init__(self):
|
||||
self.client = docker.from_env()
|
||||
self.language_configs = {
|
||||
'python': {
|
||||
'image': 'python:3.9-alpine',
|
||||
'file_ext': '.py',
|
||||
'run_command': 'python /app/solution{ext}',
|
||||
'timeout': 10
|
||||
},
|
||||
'java': {
|
||||
'image': 'openjdk:11-alpine',
|
||||
'file_ext': '.java',
|
||||
'run_command': 'cd /app && javac Solution.java && java Solution',
|
||||
'timeout': 15
|
||||
},
|
||||
'c': {
|
||||
'image': 'gcc:9-alpine',
|
||||
'file_ext': '.c',
|
||||
'run_command': 'cd /app && gcc -o solution solution.c && ./solution',
|
||||
'timeout': 15
|
||||
},
|
||||
'bash': {
|
||||
'image': 'bash:5-alpine',
|
||||
'file_ext': '.sh',
|
||||
'run_command': 'bash /app/solution.sh',
|
||||
'timeout': 10
|
||||
}
|
||||
}
|
||||
|
||||
# ... rest of your compiler service code
|
||||
|
||||
# Global compiler service instance
|
||||
compiler_service = CompilerService()
|
||||
@@ -0,0 +1,305 @@
|
||||
import docker
|
||||
import tempfile
|
||||
import os
|
||||
import subprocess
|
||||
import time
|
||||
import uuid
|
||||
import json
|
||||
import threading
|
||||
from typing import Dict, List, Any, Optional
|
||||
from datetime import datetime
|
||||
import queue
|
||||
import signal
|
||||
|
||||
class RealCompilerService:
|
||||
def __init__(self):
|
||||
self.client = docker.from_env()
|
||||
self.execution_queue = queue.Queue()
|
||||
self.active_executions = {}
|
||||
self.max_concurrent_executions = 5
|
||||
|
||||
# Enhanced language configurations with real execution
|
||||
self.language_configs = {
|
||||
'python': {
|
||||
'image': 'python:3.11-slim',
|
||||
'file_ext': '.py',
|
||||
'compile_command': None, # Python doesn't need compilation
|
||||
'run_command': 'python /app/code.py',
|
||||
'timeout': 30,
|
||||
'memory_limit': '256m',
|
||||
'cpu_limit': '0.5'
|
||||
},
|
||||
'java': {
|
||||
'image': 'openjdk:17-alpine',
|
||||
'file_ext': '.java',
|
||||
'compile_command': 'javac /app/Main.java',
|
||||
'run_command': 'java -cp /app Main',
|
||||
'timeout': 30,
|
||||
'memory_limit': '512m',
|
||||
'cpu_limit': '0.5'
|
||||
},
|
||||
'cpp': {
|
||||
'image': 'gcc:latest',
|
||||
'file_ext': '.cpp',
|
||||
'compile_command': 'g++ -o /app/program /app/code.cpp -std=c++17',
|
||||
'run_command': '/app/program',
|
||||
'timeout': 30,
|
||||
'memory_limit': '256m',
|
||||
'cpu_limit': '0.5'
|
||||
},
|
||||
'c': {
|
||||
'image': 'gcc:latest',
|
||||
'file_ext': '.c',
|
||||
'compile_command': 'gcc -o /app/program /app/code.c',
|
||||
'run_command': '/app/program',
|
||||
'timeout': 30,
|
||||
'memory_limit': '256m',
|
||||
'cpu_limit': '0.5'
|
||||
},
|
||||
'javascript': {
|
||||
'image': 'node:18-alpine',
|
||||
'file_ext': '.js',
|
||||
'compile_command': None,
|
||||
'run_command': 'node /app/code.js',
|
||||
'timeout': 30,
|
||||
'memory_limit': '256m',
|
||||
'cpu_limit': '0.5'
|
||||
},
|
||||
'bash': {
|
||||
'image': 'bash:5.2-alpine3.18',
|
||||
'file_ext': '.sh',
|
||||
'compile_command': None,
|
||||
'run_command': 'bash /app/code.sh',
|
||||
'timeout': 30,
|
||||
'memory_limit': '128m',
|
||||
'cpu_limit': '0.3'
|
||||
},
|
||||
'go': {
|
||||
'image': 'golang:1.21-alpine',
|
||||
'file_ext': '.go',
|
||||
'compile_command': 'go build -o /app/program /app/code.go',
|
||||
'run_command': '/app/program',
|
||||
'timeout': 30,
|
||||
'memory_limit': '512m',
|
||||
'cpu_limit': '0.5'
|
||||
},
|
||||
'rust': {
|
||||
'image': 'rust:1.75-alpine',
|
||||
'file_ext': '.rs',
|
||||
'compile_command': 'rustc /app/code.rs -o /app/program',
|
||||
'run_command': '/app/program',
|
||||
'timeout': 60, # Rust compilation can be slow
|
||||
'memory_limit': '1g',
|
||||
'cpu_limit': '1.0'
|
||||
}
|
||||
}
|
||||
|
||||
# Start execution worker
|
||||
self.start_execution_worker()
|
||||
|
||||
def start_execution_worker(self):
|
||||
"""Start background worker for code execution"""
|
||||
def worker():
|
||||
while True:
|
||||
try:
|
||||
execution_task = self.execution_queue.get(timeout=1)
|
||||
self._execute_task(execution_task)
|
||||
self.execution_queue.task_done()
|
||||
except queue.Empty:
|
||||
continue
|
||||
except Exception as e:
|
||||
print(f"Execution worker error: {e}")
|
||||
|
||||
worker_thread = threading.Thread(target=worker, daemon=True)
|
||||
worker_thread.start()
|
||||
|
||||
def execute_code(self, code: str, language: str, input_data: str = "",
|
||||
execution_id: str = None) -> Dict[str, Any]:
|
||||
"""Execute code with real output capture"""
|
||||
if language not in self.language_configs:
|
||||
return {"error": f"Language '{language}' not supported"}
|
||||
|
||||
if not execution_id:
|
||||
execution_id = str(uuid.uuid4())
|
||||
|
||||
config = self.language_configs[language]
|
||||
|
||||
try:
|
||||
# Create execution context
|
||||
execution_context = {
|
||||
'execution_id': execution_id,
|
||||
'code': code,
|
||||
'language': language,
|
||||
'input_data': input_data,
|
||||
'config': config,
|
||||
'start_time': datetime.now(),
|
||||
'status': 'running'
|
||||
}
|
||||
|
||||
self.active_executions[execution_id] = execution_context
|
||||
|
||||
# Execute in Docker container
|
||||
result = self._execute_in_container(execution_context)
|
||||
|
||||
# Update execution context
|
||||
execution_context['status'] = 'completed'
|
||||
execution_context['end_time'] = datetime.now()
|
||||
execution_context['result'] = result
|
||||
|
||||
return {
|
||||
"success": True,
|
||||
"execution_id": execution_id,
|
||||
"output": result.get('output', ''),
|
||||
"error": result.get('error', ''),
|
||||
"execution_time": result.get('execution_time', 0),
|
||||
"memory_used": result.get('memory_used', 0),
|
||||
"exit_code": result.get('exit_code', 0),
|
||||
"language": language,
|
||||
"timestamp": datetime.now().isoformat()
|
||||
}
|
||||
|
||||
except Exception as e:
|
||||
return {
|
||||
"error": f"Execution failed: {str(e)}",
|
||||
"execution_id": execution_id,
|
||||
"language": language
|
||||
}
|
||||
finally:
|
||||
# Clean up
|
||||
if execution_id in self.active_executions:
|
||||
del self.active_executions[execution_id]
|
||||
|
||||
def _execute_in_container(self, context: Dict) -> Dict[str, Any]:
|
||||
"""Execute code in secure Docker container"""
|
||||
code = context['code']
|
||||
language = context['language']
|
||||
input_data = context['input_data']
|
||||
config = context['config']
|
||||
|
||||
with tempfile.TemporaryDirectory() as temp_dir:
|
||||
# Prepare code file
|
||||
filename = f"code{config['file_ext']}" if language != 'java' else "Main.java"
|
||||
file_path = os.path.join(temp_dir, filename)
|
||||
|
||||
with open(file_path, 'w', encoding='utf-8') as f:
|
||||
f.write(code)
|
||||
|
||||
# Prepare input file
|
||||
input_file = os.path.join(temp_dir, 'input.txt')
|
||||
with open(input_file, 'w', encoding='utf-8') as f:
|
||||
f.write(input_data)
|
||||
|
||||
try:
|
||||
start_time = time.time()
|
||||
|
||||
# Create and run container
|
||||
container = self.client.containers.run(
|
||||
config['image'],
|
||||
command=self._build_execution_command(config, filename),
|
||||
volumes={temp_dir: {'bind': '/app', 'mode': 'rw'}},
|
||||
working_dir='/app',
|
||||
mem_limit=config['memory_limit'],
|
||||
cpu_period=100000,
|
||||
cpu_quota=int(float(config['cpu_limit']) * 100000),
|
||||
network_mode='none', # No network access
|
||||
remove=True,
|
||||
detach=False,
|
||||
stdin_open=True,
|
||||
tty=False,
|
||||
timeout=config['timeout'],
|
||||
# Security options
|
||||
cap_drop=['ALL'],
|
||||
security_opt=['no-new-privileges'],
|
||||
read_only=False,
|
||||
tmpfs={'/tmp': 'rw,noexec,nosuid,size=100m'}
|
||||
)
|
||||
|
||||
execution_time = time.time() - start_time
|
||||
output = container.decode('utf-8')
|
||||
|
||||
return {
|
||||
"output": output.strip(),
|
||||
"error": "",
|
||||
"exit_code": 0,
|
||||
"execution_time": round(execution_time, 3),
|
||||
"memory_used": self._get_memory_usage(container)
|
||||
}
|
||||
|
||||
except docker.errors.ContainerError as e:
|
||||
return {
|
||||
"output": "",
|
||||
"error": f"Runtime error (exit code {e.exit_status}): {e.stderr.decode('utf-8') if e.stderr else 'Unknown error'}",
|
||||
"exit_code": e.exit_status,
|
||||
"execution_time": time.time() - start_time,
|
||||
"memory_used": 0
|
||||
}
|
||||
except docker.errors.APIError as e:
|
||||
return {
|
||||
"output": "",
|
||||
"error": f"Docker API error: {str(e)}",
|
||||
"exit_code": -1,
|
||||
"execution_time": 0,
|
||||
"memory_used": 0
|
||||
}
|
||||
except Exception as e:
|
||||
return {
|
||||
"output": "",
|
||||
"error": f"Execution error: {str(e)}",
|
||||
"exit_code": -1,
|
||||
"execution_time": 0,
|
||||
"memory_used": 0
|
||||
}
|
||||
|
||||
def _build_execution_command(self, config: Dict, filename: str) -> str:
|
||||
"""Build the execution command for the container"""
|
||||
commands = []
|
||||
|
||||
# Add compilation step if needed
|
||||
if config.get('compile_command'):
|
||||
commands.append(config['compile_command'])
|
||||
|
||||
# Add execution command with input redirection
|
||||
run_cmd = config['run_command']
|
||||
if '<' not in run_cmd: # Add input redirection if not present
|
||||
run_cmd += ' < /app/input.txt 2>&1'
|
||||
commands.append(run_cmd)
|
||||
|
||||
# Combine commands
|
||||
return f"sh -c '{' && '.join(commands)}'"
|
||||
|
||||
def _get_memory_usage(self, container) -> int:
|
||||
"""Get memory usage from container stats"""
|
||||
try:
|
||||
stats = container.stats(stream=False)
|
||||
memory_usage = stats['memory']['usage']
|
||||
return memory_usage
|
||||
except:
|
||||
return 0
|
||||
|
||||
def get_supported_languages(self) -> List[Dict[str, str]]:
|
||||
"""Get list of supported languages with details"""
|
||||
return [
|
||||
{
|
||||
'id': lang_id,
|
||||
'name': lang_id.title(),
|
||||
'extension': config['file_ext'],
|
||||
'timeout': config['timeout'],
|
||||
'memory_limit': config['memory_limit']
|
||||
}
|
||||
for lang_id, config in self.language_configs.items()
|
||||
]
|
||||
|
||||
def get_execution_status(self, execution_id: str) -> Optional[Dict]:
|
||||
"""Get status of a running execution"""
|
||||
return self.active_executions.get(execution_id)
|
||||
|
||||
def cancel_execution(self, execution_id: str) -> bool:
|
||||
"""Cancel a running execution"""
|
||||
if execution_id in self.active_executions:
|
||||
# Implementation would involve stopping the Docker container
|
||||
del self.active_executions[execution_id]
|
||||
return True
|
||||
return False
|
||||
|
||||
# Create global instance
|
||||
real_compiler_service = RealCompilerService()
|
||||
@@ -0,0 +1,53 @@
|
||||
from web3 import Web3
|
||||
from eth_account import Account
|
||||
from datetime import datetime
|
||||
import hashlib
|
||||
import secrets
|
||||
import os # ✅ Add this missing import
|
||||
|
||||
class WalletService:
|
||||
def __init__(self, web3_provider_url):
|
||||
self.w3 = Web3(Web3.HTTPProvider(web3_provider_url))
|
||||
|
||||
def verify_wallet_signature(self, wallet_address, signature, message):
|
||||
"""Verify wallet signature for authentication"""
|
||||
try:
|
||||
# Recover the address from signature
|
||||
message_hash = Web3.keccak(text=message)
|
||||
recovered_address = self.w3.eth.account.recover_message_hash(message_hash, signature=signature)
|
||||
|
||||
return recovered_address.lower() == wallet_address.lower()
|
||||
except Exception as e:
|
||||
print(f"Signature verification error: {e}")
|
||||
return False
|
||||
|
||||
def generate_auth_message(self, wallet_address, exam_code):
|
||||
"""Generate message for wallet signing"""
|
||||
timestamp = int(datetime.now().timestamp())
|
||||
nonce = secrets.token_hex(16)
|
||||
|
||||
message = f"""OpenLearnX Exam Authentication
|
||||
|
||||
Wallet: {wallet_address}
|
||||
Exam Code: {exam_code}
|
||||
Timestamp: {timestamp}
|
||||
Nonce: {nonce}
|
||||
|
||||
Sign this message to join the coding exam."""
|
||||
|
||||
return message, timestamp, nonce
|
||||
|
||||
def create_wallet_session(self, wallet_address, exam_code, signature):
|
||||
"""Create authenticated wallet session"""
|
||||
session_id = hashlib.sha256(f"{wallet_address}{exam_code}{datetime.now().timestamp()}".encode()).hexdigest()
|
||||
|
||||
return {
|
||||
"session_id": session_id,
|
||||
"wallet_address": wallet_address,
|
||||
"exam_code": exam_code,
|
||||
"authenticated_at": datetime.now(),
|
||||
"signature": signature
|
||||
}
|
||||
|
||||
# Create the service instance
|
||||
wallet_service = WalletService(os.getenv('WEB3_PROVIDER_URL', 'http://127.0.0.1:8545'))
|
||||
@@ -1,11 +1,441 @@
|
||||
import { CodingProblemView } from "@/components/coding-problem-view"
|
||||
'use client'
|
||||
import React, { useState, useEffect } from 'react'
|
||||
import { useRouter, useParams } from 'next/navigation'
|
||||
import { Play, Clock, CheckCircle, XCircle, ArrowLeft, Trophy } from 'lucide-react'
|
||||
|
||||
interface CodingProblemPageProps {
|
||||
params: {
|
||||
problemId: string
|
||||
interface TestCase {
|
||||
input: string
|
||||
expected: string
|
||||
description: string
|
||||
}
|
||||
|
||||
interface Problem {
|
||||
id: string
|
||||
title: string
|
||||
description: string
|
||||
difficulty: 'Easy' | 'Medium' | 'Hard'
|
||||
category: string
|
||||
examples: TestCase[]
|
||||
constraints: string[]
|
||||
hints: string[]
|
||||
starter_code: string
|
||||
function_name: string
|
||||
}
|
||||
|
||||
export default function ProblemPage() {
|
||||
const params = useParams()
|
||||
const router = useRouter()
|
||||
const problemId = params.problemId as string
|
||||
|
||||
const [problem, setProblem] = useState<Problem | null>(null)
|
||||
const [code, setCode] = useState('')
|
||||
const [output, setOutput] = useState('')
|
||||
const [testResults, setTestResults] = useState<any[]>([])
|
||||
const [isRunning, setIsRunning] = useState(false)
|
||||
const [isSubmitting, setIsSubmitting] = useState(false)
|
||||
const [showHints, setShowHints] = useState(false)
|
||||
const [activeTab, setActiveTab] = useState<'description' | 'examples' | 'constraints'>('description')
|
||||
|
||||
useEffect(() => {
|
||||
loadProblem(problemId)
|
||||
}, [problemId])
|
||||
|
||||
const loadProblem = async (id: string) => {
|
||||
try {
|
||||
// In a real app, this would fetch from your backend
|
||||
const problems: Record<string, Problem> = {
|
||||
'string-capitalizer': {
|
||||
id: 'string-capitalizer',
|
||||
title: 'String Capitalizer',
|
||||
description: 'Write a function that takes a string as input and returns the string converted to uppercase.',
|
||||
difficulty: 'Easy',
|
||||
category: 'String Manipulation',
|
||||
examples: [
|
||||
{ input: 'hello', expected: 'HELLO', description: 'Basic string conversion' },
|
||||
{ input: 'world', expected: 'WORLD', description: 'Another basic case' },
|
||||
{ input: 'Python Programming', expected: 'PYTHON PROGRAMMING', description: 'String with spaces' }
|
||||
],
|
||||
constraints: [
|
||||
'Input string length will be between 1 and 1000 characters',
|
||||
'Input may contain letters, numbers, and spaces',
|
||||
'Function must be named exactly "capitalize_string"'
|
||||
],
|
||||
hints: [
|
||||
'Python has a built-in method to convert strings to uppercase',
|
||||
'The upper() method can be used on any string',
|
||||
'Remember to return the result, not just print it'
|
||||
],
|
||||
starter_code: 'def capitalize_string(text):\n # Write your solution here\n pass',
|
||||
function_name: 'capitalize_string'
|
||||
},
|
||||
'reverse-string': {
|
||||
id: 'reverse-string',
|
||||
title: 'Reverse String',
|
||||
description: 'Write a function that takes a string and returns it reversed.',
|
||||
difficulty: 'Easy',
|
||||
category: 'String Manipulation',
|
||||
examples: [
|
||||
{ input: 'hello', expected: 'olleh', description: 'Basic string reversal' },
|
||||
{ input: 'python', expected: 'nohtyp', description: 'Another basic case' },
|
||||
{ input: 'OpenLearnX', expected: 'XnraeLnepO', description: 'Mixed case string' }
|
||||
],
|
||||
constraints: [
|
||||
'Input string length will be between 1 and 1000 characters',
|
||||
'Function must be named exactly "reverse_string"'
|
||||
],
|
||||
hints: [
|
||||
'Python strings can be sliced with [::-1]',
|
||||
'You can also use the reversed() function',
|
||||
'Remember to return the result'
|
||||
],
|
||||
starter_code: 'def reverse_string(text):\n # Write your solution here\n pass',
|
||||
function_name: 'reverse_string'
|
||||
},
|
||||
'fibonacci': {
|
||||
id: 'fibonacci',
|
||||
title: 'Fibonacci Sequence',
|
||||
description: 'Write a function that returns the nth number in the Fibonacci sequence.',
|
||||
difficulty: 'Medium',
|
||||
category: 'Algorithms',
|
||||
examples: [
|
||||
{ input: '0', expected: '0', description: 'First Fibonacci number' },
|
||||
{ input: '1', expected: '1', description: 'Second Fibonacci number' },
|
||||
{ input: '5', expected: '5', description: 'Sixth Fibonacci number (0,1,1,2,3,5)' }
|
||||
],
|
||||
constraints: [
|
||||
'n will be between 0 and 30',
|
||||
'Function must be named exactly "fibonacci"',
|
||||
'Should handle edge cases for n=0 and n=1'
|
||||
],
|
||||
hints: [
|
||||
'Base cases: fib(0) = 0, fib(1) = 1',
|
||||
'For n > 1: fib(n) = fib(n-1) + fib(n-2)',
|
||||
'Consider using iteration instead of recursion for better performance'
|
||||
],
|
||||
starter_code: 'def fibonacci(n):\n # Write your solution here\n pass',
|
||||
function_name: 'fibonacci'
|
||||
}
|
||||
}
|
||||
|
||||
const selectedProblem = problems[id]
|
||||
if (selectedProblem) {
|
||||
setProblem(selectedProblem)
|
||||
setCode(selectedProblem.starter_code)
|
||||
} else {
|
||||
// Problem not found
|
||||
router.push('/coding')
|
||||
}
|
||||
} catch (error) {
|
||||
console.error('Failed to load problem:', error)
|
||||
router.push('/coding')
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export default function CodingProblemPage({ params }: CodingProblemPageProps) {
|
||||
return <CodingProblemView problemId={params.problemId} />
|
||||
const runCode = async () => {
|
||||
if (!problem || !code.trim()) return
|
||||
|
||||
setIsRunning(true)
|
||||
setOutput('')
|
||||
setTestResults([])
|
||||
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/coding/execute', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({
|
||||
code,
|
||||
language: 'python',
|
||||
problem_id: problem.id,
|
||||
test_cases: problem.examples
|
||||
})
|
||||
})
|
||||
|
||||
const result = await response.json()
|
||||
|
||||
if (result.success) {
|
||||
setOutput(result.output || 'Code executed successfully')
|
||||
setTestResults(result.test_results || [])
|
||||
} else {
|
||||
setOutput(`Error: ${result.error}`)
|
||||
}
|
||||
} catch (error) {
|
||||
setOutput(`Execution failed: ${(error as Error).message}`)
|
||||
} finally {
|
||||
setIsRunning(false)
|
||||
}
|
||||
}
|
||||
|
||||
const submitSolution = async () => {
|
||||
if (!problem || !code.trim()) return
|
||||
|
||||
setIsSubmitting(true)
|
||||
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/coding/submit', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({
|
||||
code,
|
||||
problem_id: problem.id
|
||||
})
|
||||
})
|
||||
|
||||
const result = await response.json()
|
||||
|
||||
if (result.success) {
|
||||
alert(`Solution submitted! Score: ${result.score}% (${result.passed_tests}/${result.total_tests} tests passed)`)
|
||||
} else {
|
||||
alert(`Submission failed: ${result.error}`)
|
||||
}
|
||||
} catch (error) {
|
||||
alert('Failed to submit solution')
|
||||
} finally {
|
||||
setIsSubmitting(false)
|
||||
}
|
||||
}
|
||||
|
||||
const getDifficultyColor = (difficulty: string) => {
|
||||
switch (difficulty) {
|
||||
case 'Easy': return 'text-green-600 bg-green-100'
|
||||
case 'Medium': return 'text-yellow-600 bg-yellow-100'
|
||||
case 'Hard': return 'text-red-600 bg-red-100'
|
||||
default: return 'text-gray-600 bg-gray-100'
|
||||
}
|
||||
}
|
||||
|
||||
if (!problem) {
|
||||
return (
|
||||
<div className="min-h-screen bg-gray-900 text-white flex items-center justify-center">
|
||||
<div className="text-center">
|
||||
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
|
||||
<p className="mt-2 text-gray-400">Loading problem...</p>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
|
||||
return (
|
||||
<div className="min-h-screen bg-gray-900 text-white">
|
||||
{/* Header */}
|
||||
<div className="bg-gray-800 border-b border-gray-700 p-4">
|
||||
<div className="max-w-7xl mx-auto flex items-center justify-between">
|
||||
<div className="flex items-center space-x-4">
|
||||
<button
|
||||
onClick={() => router.back()}
|
||||
className="p-2 hover:bg-gray-700 rounded-lg transition-colors"
|
||||
>
|
||||
<ArrowLeft className="h-5 w-5" />
|
||||
</button>
|
||||
|
||||
<div>
|
||||
<h1 className="text-2xl font-bold">{problem.title}</h1>
|
||||
<div className="flex items-center space-x-3 mt-1">
|
||||
<span className={`px-2 py-1 rounded-full text-xs font-medium ${getDifficultyColor(problem.difficulty)}`}>
|
||||
{problem.difficulty}
|
||||
</span>
|
||||
<span className="text-gray-400 text-sm">{problem.category}</span>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="flex items-center space-x-3">
|
||||
<button
|
||||
onClick={() => setShowHints(!showHints)}
|
||||
className="px-4 py-2 bg-yellow-600 hover:bg-yellow-700 rounded-lg text-sm transition-colors"
|
||||
>
|
||||
{showHints ? 'Hide Hints' : 'Show Hints'}
|
||||
</button>
|
||||
|
||||
<button
|
||||
onClick={() => router.push('/coding/exam')}
|
||||
className="px-4 py-2 bg-blue-600 hover:bg-blue-700 rounded-lg text-sm transition-colors flex items-center space-x-2"
|
||||
>
|
||||
<Trophy className="h-4 w-4" />
|
||||
<span>Join Exam</span>
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="max-w-7xl mx-auto p-6 grid grid-cols-1 lg:grid-cols-2 gap-6">
|
||||
{/* Problem Description */}
|
||||
<div className="space-y-6">
|
||||
{/* Navigation Tabs */}
|
||||
<div className="bg-gray-800 rounded-lg">
|
||||
<div className="flex border-b border-gray-700">
|
||||
{(['description', 'examples', 'constraints'] as const).map((tab) => (
|
||||
<button
|
||||
key={tab}
|
||||
onClick={() => setActiveTab(tab)}
|
||||
className={`px-6 py-3 font-medium capitalize transition-colors ${
|
||||
activeTab === tab
|
||||
? 'bg-gray-700 text-white border-b-2 border-blue-500'
|
||||
: 'text-gray-400 hover:text-white'
|
||||
}`}
|
||||
>
|
||||
{tab}
|
||||
</button>
|
||||
))}
|
||||
</div>
|
||||
|
||||
<div className="p-6">
|
||||
{activeTab === 'description' && (
|
||||
<div className="prose prose-invert max-w-none">
|
||||
<p className="text-gray-300 leading-relaxed">{problem.description}</p>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{activeTab === 'examples' && (
|
||||
<div className="space-y-4">
|
||||
<h3 className="text-lg font-semibold">Examples:</h3>
|
||||
{problem.examples.map((example, index) => (
|
||||
<div key={index} className="bg-gray-900 p-4 rounded-lg">
|
||||
<div className="mb-2">
|
||||
<span className="text-blue-400">Input:</span>
|
||||
<code className="ml-2 text-green-400">"{example.input}"</code>
|
||||
</div>
|
||||
<div className="mb-2">
|
||||
<span className="text-blue-400">Output:</span>
|
||||
<code className="ml-2 text-green-400">"{example.expected}"</code>
|
||||
</div>
|
||||
<div className="text-gray-400 text-sm">{example.description}</div>
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
)}
|
||||
|
||||
{activeTab === 'constraints' && (
|
||||
<div className="space-y-4">
|
||||
<h3 className="text-lg font-semibold">Constraints:</h3>
|
||||
<ul className="space-y-2">
|
||||
{problem.constraints.map((constraint, index) => (
|
||||
<li key={index} className="flex items-start space-x-2">
|
||||
<span className="text-blue-400 mt-1">•</span>
|
||||
<span className="text-gray-300">{constraint}</span>
|
||||
</li>
|
||||
))}
|
||||
</ul>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Hints Section */}
|
||||
{showHints && (
|
||||
<div className="bg-yellow-900 border border-yellow-600 rounded-lg p-6">
|
||||
<h3 className="text-lg font-semibold mb-4 text-yellow-300">💡 Hints:</h3>
|
||||
<ul className="space-y-2">
|
||||
{problem.hints.map((hint, index) => (
|
||||
<li key={index} className="flex items-start space-x-2">
|
||||
<span className="text-yellow-400 mt-1">{index + 1}.</span>
|
||||
<span className="text-yellow-100">{hint}</span>
|
||||
</li>
|
||||
))}
|
||||
</ul>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
|
||||
{/* Code Editor & Results */}
|
||||
<div className="space-y-6">
|
||||
{/* Code Editor */}
|
||||
<div className="bg-gray-800 rounded-lg p-6">
|
||||
<div className="flex justify-between items-center mb-4">
|
||||
<h3 className="text-lg font-bold">Code Editor</h3>
|
||||
<span className="text-sm text-gray-400">Python</span>
|
||||
</div>
|
||||
|
||||
<textarea
|
||||
value={code}
|
||||
onChange={(e) => setCode(e.target.value)}
|
||||
className="w-full h-80 bg-gray-900 text-green-400 font-mono p-4 rounded border border-gray-600 resize-none focus:ring-2 focus:ring-blue-500 focus:border-transparent"
|
||||
spellCheck={false}
|
||||
/>
|
||||
|
||||
<div className="flex justify-between items-center mt-4">
|
||||
<div className="text-sm text-gray-400">
|
||||
Function: <code className="text-blue-400">{problem.function_name}</code>
|
||||
</div>
|
||||
|
||||
<div className="flex space-x-3">
|
||||
<button
|
||||
onClick={runCode}
|
||||
disabled={isRunning || !code.trim()}
|
||||
className="bg-green-600 hover:bg-green-700 disabled:bg-gray-600 px-4 py-2 rounded flex items-center space-x-2 transition-colors"
|
||||
>
|
||||
<Play className="h-4 w-4" />
|
||||
<span>{isRunning ? 'Running...' : 'Run Code'}</span>
|
||||
</button>
|
||||
|
||||
<button
|
||||
onClick={submitSolution}
|
||||
disabled={isSubmitting || !code.trim()}
|
||||
className="bg-blue-600 hover:bg-blue-700 disabled:bg-gray-600 px-4 py-2 rounded flex items-center space-x-2 transition-colors"
|
||||
>
|
||||
<CheckCircle className="h-4 w-4" />
|
||||
<span>{isSubmitting ? 'Submitting...' : 'Submit'}</span>
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Output & Test Results */}
|
||||
<div className="bg-gray-800 rounded-lg p-6">
|
||||
<h3 className="text-lg font-bold mb-4">Output & Test Results</h3>
|
||||
|
||||
{/* Console Output */}
|
||||
{output && (
|
||||
<div className="mb-4">
|
||||
<h4 className="text-sm font-medium text-gray-400 mb-2">Console Output:</h4>
|
||||
<div className="bg-black p-4 rounded font-mono text-sm">
|
||||
<pre className="text-green-400 whitespace-pre-wrap">{output}</pre>
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Test Results */}
|
||||
{testResults.length > 0 && (
|
||||
<div>
|
||||
<h4 className="text-sm font-medium text-gray-400 mb-2">Test Results:</h4>
|
||||
<div className="space-y-2">
|
||||
{testResults.map((result, index) => (
|
||||
<div
|
||||
key={index}
|
||||
className={`p-3 rounded flex items-center justify-between ${
|
||||
result.passed ? 'bg-green-900 border border-green-600' : 'bg-red-900 border border-red-600'
|
||||
}`}
|
||||
>
|
||||
<div className="flex items-center space-x-2">
|
||||
{result.passed ? (
|
||||
<CheckCircle className="h-4 w-4 text-green-400" />
|
||||
) : (
|
||||
<XCircle className="h-4 w-4 text-red-400" />
|
||||
)}
|
||||
<span className="text-sm">Test {index + 1}</span>
|
||||
</div>
|
||||
|
||||
<div className="text-right text-sm">
|
||||
{result.passed ? (
|
||||
<span className="text-green-400">Passed</span>
|
||||
) : (
|
||||
<span className="text-red-400">Failed: {result.error}</span>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{!output && testResults.length === 0 && (
|
||||
<div className="text-center text-gray-400 py-8">
|
||||
<Clock className="h-8 w-8 mx-auto mb-2 opacity-50" />
|
||||
<p>Run your code to see output and test results</p>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
|
||||
@@ -0,0 +1,312 @@
|
||||
'use client'
|
||||
import { useState } from 'react'
|
||||
import { useRouter } from 'next/navigation'
|
||||
|
||||
export default function CreateExam() {
|
||||
const [examData, setExamData] = useState({
|
||||
title: 'String Capitalizer Challenge',
|
||||
host_name: '',
|
||||
duration_minutes: 30,
|
||||
max_participants: 50,
|
||||
problem_id: 'string-capitalizer'
|
||||
})
|
||||
const [loading, setLoading] = useState(false)
|
||||
const [result, setResult] = useState('')
|
||||
const [error, setError] = useState('')
|
||||
const router = useRouter()
|
||||
|
||||
const handleInputChange = (field: string, value: any) => {
|
||||
setExamData(prev => ({
|
||||
...prev,
|
||||
[field]: value
|
||||
}))
|
||||
setError('')
|
||||
}
|
||||
|
||||
const createExam = async () => {
|
||||
// Clear previous messages
|
||||
setError('')
|
||||
setResult('')
|
||||
|
||||
// Validation
|
||||
if (!examData.title.trim()) {
|
||||
setError('Please enter exam title')
|
||||
return
|
||||
}
|
||||
|
||||
if (!examData.host_name.trim()) {
|
||||
setError('Please enter host name')
|
||||
return
|
||||
}
|
||||
|
||||
setLoading(true)
|
||||
setResult('⏳ Creating exam...')
|
||||
|
||||
try {
|
||||
const payload = {
|
||||
title: examData.title.trim(),
|
||||
problem_id: examData.problem_id,
|
||||
duration_minutes: examData.duration_minutes,
|
||||
host_name: examData.host_name.trim(),
|
||||
max_participants: examData.max_participants
|
||||
}
|
||||
|
||||
console.log('📤 Sending payload:', payload)
|
||||
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/create-exam', {
|
||||
method: 'POST',
|
||||
headers: {
|
||||
'Content-Type': 'application/json',
|
||||
'Accept': 'application/json'
|
||||
},
|
||||
body: JSON.stringify(payload)
|
||||
})
|
||||
|
||||
console.log('📡 Response status:', response.status)
|
||||
|
||||
const data = await response.json()
|
||||
console.log('📦 Full backend response:', data)
|
||||
|
||||
if (data.success) {
|
||||
// ✅ ENHANCED DEBUGGING - Log all fields
|
||||
console.log('🔍 All response fields:', Object.keys(data))
|
||||
console.log('📝 exam_code field:', data.exam_code)
|
||||
console.log('🗄️ exam_id field:', data.exam_id)
|
||||
console.log('📋 exam_details:', data.exam_details)
|
||||
|
||||
// ✅ CORRECTED: Use exam_code, NOT exam_id
|
||||
const participantCode = data.exam_code // This should be "JEX99M"
|
||||
const databaseId = data.exam_id // This is the MongoDB ObjectId
|
||||
|
||||
console.log('📝 Participant Code (CORRECT for sharing):', participantCode)
|
||||
console.log('🗄️ Database ID (internal only):', databaseId)
|
||||
|
||||
// ✅ ENHANCED: Check if exam_code exists
|
||||
if (!participantCode) {
|
||||
console.error('❌ ERROR: exam_code is missing from response!')
|
||||
setError('Backend did not return exam_code. Check backend logs.')
|
||||
return
|
||||
}
|
||||
|
||||
// ✅ SIMPLIFIED SUCCESS MESSAGE - Easier to spot issues
|
||||
const simpleAlert = `Exam created! Share this code with participants: ${participantCode}`
|
||||
|
||||
// ✅ DETAILED SUCCESS MESSAGE for result display
|
||||
const successMessage = `🎉 EXAM CREATED SUCCESSFULLY!
|
||||
|
||||
📝 EXAM CODE FOR PARTICIPANTS:
|
||||
┌─────────────────┐
|
||||
│ ${participantCode} │
|
||||
└─────────────────┘
|
||||
|
||||
📋 Exam Details:
|
||||
• Title: ${data.exam_details?.title || examData.title}
|
||||
• Duration: ${data.exam_details?.duration || examData.duration_minutes} minutes
|
||||
• Max Participants: ${data.exam_details?.max_participants || examData.max_participants}
|
||||
• Host: ${examData.host_name}
|
||||
• Languages: ${data.exam_details?.languages?.join(', ') || 'Python'}
|
||||
|
||||
🔗 Share this code with participants: ${participantCode}
|
||||
📱 Join URL: localhost:3000/coding/join
|
||||
|
||||
⚠️ IMPORTANT: Give participants "${participantCode}",
|
||||
NOT the database ID "${databaseId}"!
|
||||
|
||||
✅ Participants will use: ${participantCode}`
|
||||
|
||||
setResult(successMessage)
|
||||
|
||||
// ✅ SIMPLE ALERT - This should show the correct code
|
||||
alert(simpleAlert)
|
||||
|
||||
// ✅ ADDITIONAL PROMINENT ALERT
|
||||
setTimeout(() => {
|
||||
alert(`✅ EXAM CODE: ${participantCode}
|
||||
|
||||
Share this 6-character code with participants.
|
||||
They will enter: ${participantCode}`)
|
||||
}, 500)
|
||||
|
||||
// Store the correct exam code for host dashboard
|
||||
localStorage.setItem('created_exam', JSON.stringify({
|
||||
exam_code: participantCode, // 6-character code for participants
|
||||
exam_id: databaseId, // Internal database ID
|
||||
exam_details: data.exam_details,
|
||||
host_name: examData.host_name,
|
||||
created_at: new Date().toISOString()
|
||||
}))
|
||||
|
||||
// Redirect to host dashboard after 5 seconds (increased time)
|
||||
setTimeout(() => {
|
||||
router.push(`/coding/host/${participantCode}`)
|
||||
}, 5000)
|
||||
|
||||
} else {
|
||||
setError(data.error || 'Failed to create exam')
|
||||
setResult('')
|
||||
}
|
||||
} catch (error) {
|
||||
console.error('❌ Network error:', error)
|
||||
setError('Network error: Could not connect to backend server')
|
||||
setResult('')
|
||||
} finally {
|
||||
setLoading(false)
|
||||
}
|
||||
}
|
||||
|
||||
return (
|
||||
<div className="min-h-screen bg-gradient-to-br from-green-900 via-blue-900 to-purple-900 flex items-center justify-center p-4">
|
||||
<div className="bg-white rounded-xl shadow-2xl p-8 w-full max-w-2xl">
|
||||
{/* Header */}
|
||||
<div className="text-center mb-8">
|
||||
<div className="w-16 h-16 bg-gradient-to-r from-green-600 to-blue-600 rounded-full flex items-center justify-center mx-auto mb-4">
|
||||
<svg className="h-8 w-8 text-white" fill="none" viewBox="0 0 24 24" stroke="currentColor">
|
||||
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 6V4m0 2a2 2 0 100 4m0-4a2 2 0 110 4m-6 8a2 2 0 100-4m0 4a2 2 0 100 4m0-4v2m0-6V4m6 6v10m6-2a2 2 0 100-4m0 4a2 2 0 100 4m0-4v2m0-6V4" />
|
||||
</svg>
|
||||
</div>
|
||||
<h1 className="text-3xl font-bold text-gray-900 mb-2">Create Coding Exam</h1>
|
||||
<p className="text-gray-600">Set up a new coding challenge for participants</p>
|
||||
</div>
|
||||
|
||||
{/* Form */}
|
||||
<div className="space-y-6">
|
||||
<div>
|
||||
<label className="block text-sm font-medium text-gray-700 mb-2">
|
||||
Exam Title
|
||||
</label>
|
||||
<input
|
||||
type="text"
|
||||
value={examData.title}
|
||||
onChange={(e) => handleInputChange('title', e.target.value)}
|
||||
placeholder="Enter exam title"
|
||||
className="w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-green-500 focus:border-transparent"
|
||||
required
|
||||
/>
|
||||
</div>
|
||||
|
||||
<div>
|
||||
<label className="block text-sm font-medium text-gray-700 mb-2">
|
||||
Host/Instructor Name
|
||||
</label>
|
||||
<input
|
||||
type="text"
|
||||
value={examData.host_name}
|
||||
onChange={(e) => handleInputChange('host_name', e.target.value)}
|
||||
placeholder="Enter your name"
|
||||
className="w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-green-500 focus:border-transparent"
|
||||
required
|
||||
/>
|
||||
</div>
|
||||
|
||||
<div className="grid grid-cols-1 md:grid-cols-2 gap-4">
|
||||
<div>
|
||||
<label className="block text-sm font-medium text-gray-700 mb-2">
|
||||
Duration (minutes)
|
||||
</label>
|
||||
<input
|
||||
type="number"
|
||||
value={examData.duration_minutes}
|
||||
onChange={(e) => handleInputChange('duration_minutes', parseInt(e.target.value) || 30)}
|
||||
min="5"
|
||||
max="180"
|
||||
className="w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-green-500 focus:border-transparent"
|
||||
/>
|
||||
</div>
|
||||
|
||||
<div>
|
||||
<label className="block text-sm font-medium text-gray-700 mb-2">
|
||||
Max Participants
|
||||
</label>
|
||||
<input
|
||||
type="number"
|
||||
value={examData.max_participants}
|
||||
onChange={(e) => handleInputChange('max_participants', parseInt(e.target.value) || 50)}
|
||||
min="1"
|
||||
max="200"
|
||||
className="w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-green-500 focus:border-transparent"
|
||||
/>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<button
|
||||
onClick={createExam}
|
||||
disabled={loading || !examData.title.trim() || !examData.host_name.trim()}
|
||||
className="w-full bg-gradient-to-r from-green-600 to-blue-600 hover:from-green-700 hover:to-blue-700 text-white font-semibold py-3 px-4 rounded-lg disabled:opacity-50 disabled:cursor-not-allowed transition-all"
|
||||
>
|
||||
{loading ? (
|
||||
<div className="flex items-center justify-center">
|
||||
<div className="animate-spin rounded-full h-5 w-5 border-2 border-white border-t-transparent mr-2"></div>
|
||||
Creating Exam...
|
||||
</div>
|
||||
) : (
|
||||
<>
|
||||
<svg className="inline h-5 w-5 mr-2" fill="none" viewBox="0 0 24 24" stroke="currentColor">
|
||||
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 6V4m0 2a2 2 0 100 4m0-4a2 2 0 110 4m-6 8a2 2 0 100-4m0 4a2 2 0 100 4m0-4v2m0-6V4m6 6v10m6-2a2 2 0 100-4m0 4a2 2 0 100 4m0-4v2m0-6V4" />
|
||||
</svg>
|
||||
Create Exam
|
||||
</>
|
||||
)}
|
||||
</button>
|
||||
</div>
|
||||
|
||||
{/* Error Display */}
|
||||
{error && (
|
||||
<div className="mt-6 bg-red-50 border border-red-200 text-red-700 px-4 py-3 rounded-lg text-sm flex items-start">
|
||||
<svg className="h-4 w-4 mr-2 mt-0.5 flex-shrink-0" fill="none" viewBox="0 0 24 24" stroke="currentColor">
|
||||
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 8v4m0 4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
|
||||
</svg>
|
||||
{error}
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Success Result Display */}
|
||||
{result && (
|
||||
<div className="mt-6 p-6 bg-green-50 border border-green-200 text-green-700 rounded-lg whitespace-pre-line text-sm">
|
||||
{result}
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Enhanced Debug Info */}
|
||||
<div className="mt-6 p-4 bg-gray-50 rounded-lg text-xs">
|
||||
<p className="text-gray-500 mb-2">Debug Info:</p>
|
||||
<p className="text-gray-400">Title: "{examData.title}"</p>
|
||||
<p className="text-gray-400">Host: "{examData.host_name}"</p>
|
||||
<p className="text-gray-400">Duration: {examData.duration_minutes} minutes</p>
|
||||
<p className="text-green-600 font-medium">✅ Will show exam_code (6 chars), NOT exam_id</p>
|
||||
<p className="text-blue-600 font-medium">🔍 Check browser console for detailed logs</p>
|
||||
</div>
|
||||
|
||||
{/* Features Info */}
|
||||
<div className="mt-6 pt-6 border-t border-gray-200">
|
||||
<h3 className="text-sm font-medium text-gray-700 mb-3">Exam Features:</h3>
|
||||
<div className="grid grid-cols-1 md:grid-cols-2 gap-2 text-sm text-gray-600">
|
||||
<div className="flex items-center">
|
||||
<svg className="h-4 w-4 text-green-500 mr-2" fill="none" viewBox="0 0 24 24" stroke="currentColor">
|
||||
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" />
|
||||
</svg>
|
||||
Real-time participant tracking
|
||||
</div>
|
||||
<div className="flex items-center">
|
||||
<svg className="h-4 w-4 text-blue-500 mr-2" fill="none" viewBox="0 0 24 24" stroke="currentColor">
|
||||
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z" />
|
||||
</svg>
|
||||
Live leaderboard
|
||||
</div>
|
||||
<div className="flex items-center">
|
||||
<svg className="h-4 w-4 text-purple-500 mr-2" fill="none" viewBox="0 0 24 24" stroke="currentColor">
|
||||
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10 20l4-16m18 4l4 4-4 4M6 16l-4-4 4-4" />
|
||||
</svg>
|
||||
Multi-language support
|
||||
</div>
|
||||
<div className="flex items-center">
|
||||
<svg className="h-4 w-4 text-yellow-500 mr-2" fill="none" viewBox="0 0 24 24" stroke="currentColor">
|
||||
<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z" />
|
||||
</svg>
|
||||
Timed exam sessions
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,547 @@
|
||||
'use client'
|
||||
import React, { useState, useEffect } from 'react'
|
||||
import { useRouter } from 'next/navigation'
|
||||
import { Trophy, Clock, Users, Send, RefreshCw, Play, Code, Wallet, Shield } from 'lucide-react'
|
||||
|
||||
interface Participant {
|
||||
name: string
|
||||
score: number
|
||||
rank: number
|
||||
completed: boolean
|
||||
language?: string
|
||||
submission_time?: string
|
||||
wallet_address?: string
|
||||
wallet_short?: string
|
||||
blockchain_verified?: boolean
|
||||
}
|
||||
|
||||
interface Problem {
|
||||
title: string
|
||||
description: string
|
||||
function_name: string
|
||||
languages: string[]
|
||||
examples: Array<{input: string, expected_output: string, description: string}>
|
||||
constraints: string[]
|
||||
starter_code: {[key: string]: string}
|
||||
}
|
||||
|
||||
interface ExamSession {
|
||||
exam_code: string
|
||||
student_name: string
|
||||
wallet_address?: string
|
||||
blockchain_verified?: boolean
|
||||
exam_info: any
|
||||
}
|
||||
|
||||
export default function EnhancedExamInterface() {
|
||||
const [examSession, setExamSession] = useState<ExamSession | null>(null)
|
||||
const [problem, setProblem] = useState<Problem | null>(null)
|
||||
const [selectedLanguage, setSelectedLanguage] = useState('python')
|
||||
const [code, setCode] = useState('')
|
||||
const [output, setOutput] = useState('')
|
||||
const [testResults, setTestResults] = useState<any[]>([])
|
||||
const [leaderboard, setLeaderboard] = useState<Participant[]>([])
|
||||
const [waitingParticipants, setWaitingParticipants] = useState<Participant[]>([])
|
||||
const [timeRemaining, setTimeRemaining] = useState(0)
|
||||
const [isRunning, setIsRunning] = useState(false)
|
||||
const [isSubmitting, setIsSubmitting] = useState(false)
|
||||
const [hasSubmitted, setHasSubmitted] = useState(false)
|
||||
const [examStats, setExamStats] = useState<any>({})
|
||||
const router = useRouter()
|
||||
|
||||
const languageIcons: {[key: string]: string} = {
|
||||
python: '🐍',
|
||||
java: '☕',
|
||||
c: '⚡',
|
||||
bash: '💻'
|
||||
}
|
||||
|
||||
useEffect(() => {
|
||||
const sessionData = localStorage.getItem('exam_session')
|
||||
if (!sessionData) {
|
||||
router.push('/coding/join')
|
||||
return
|
||||
}
|
||||
|
||||
const session = JSON.parse(sessionData)
|
||||
setExamSession(session)
|
||||
|
||||
// Fetch problem details
|
||||
fetchProblem(session.exam_code)
|
||||
|
||||
// Start polling for updates
|
||||
const interval = setInterval(() => {
|
||||
fetchLeaderboard(session.exam_code)
|
||||
}, 3000)
|
||||
|
||||
return () => clearInterval(interval)
|
||||
}, [router])
|
||||
|
||||
const fetchProblem = async (examCode: string) => {
|
||||
try {
|
||||
const response = await fetch(`http://127.0.0.1:5000/api/exam/get-problem/${examCode}`)
|
||||
const data = await response.json()
|
||||
|
||||
if (data.success) {
|
||||
setProblem(data.problem)
|
||||
const defaultLang = data.problem.languages[0] || 'python'
|
||||
setSelectedLanguage(defaultLang)
|
||||
setCode(data.problem.starter_code[defaultLang] || '')
|
||||
}
|
||||
} catch (error) {
|
||||
console.error('Failed to fetch problem:', error)
|
||||
}
|
||||
}
|
||||
|
||||
const fetchLeaderboard = async (examCode: string) => {
|
||||
try {
|
||||
const response = await fetch(`http://127.0.0.1:5000/api/exam/leaderboard/${examCode}`)
|
||||
const data = await response.json()
|
||||
|
||||
if (data.success) {
|
||||
setLeaderboard(data.leaderboard || [])
|
||||
setWaitingParticipants(data.waiting_participants || [])
|
||||
setExamStats(data.stats || {})
|
||||
|
||||
if (data.exam_info.status === 'active' && data.exam_info.end_time) {
|
||||
const endTime = new Date(data.exam_info.end_time)
|
||||
const now = new Date()
|
||||
const remaining = Math.max(0, Math.floor((endTime.getTime() - now.getTime()) / 1000))
|
||||
setTimeRemaining(remaining)
|
||||
}
|
||||
}
|
||||
} catch (error) {
|
||||
console.error('Failed to fetch leaderboard:', error)
|
||||
}
|
||||
}
|
||||
|
||||
const handleLanguageChange = (language: string) => {
|
||||
setSelectedLanguage(language)
|
||||
if (problem?.starter_code[language]) {
|
||||
setCode(problem.starter_code[language])
|
||||
}
|
||||
setOutput('')
|
||||
setTestResults([])
|
||||
}
|
||||
|
||||
const runCode = async () => {
|
||||
if (!code.trim()) {
|
||||
alert('Please write some code first!')
|
||||
return
|
||||
}
|
||||
|
||||
setIsRunning(true)
|
||||
setOutput('')
|
||||
setTestResults([])
|
||||
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/execute-code', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({
|
||||
code,
|
||||
language: selectedLanguage
|
||||
})
|
||||
})
|
||||
|
||||
const result = await response.json()
|
||||
|
||||
if (result.success) {
|
||||
setOutput('Code executed successfully!')
|
||||
setTestResults(result.test_results || [])
|
||||
} else {
|
||||
setOutput(`Error: ${result.error}`)
|
||||
}
|
||||
} catch (error) {
|
||||
setOutput(`Execution failed: ${(error as Error).message}`)
|
||||
} finally {
|
||||
setIsRunning(false)
|
||||
}
|
||||
}
|
||||
|
||||
const submitSolution = async () => {
|
||||
if (!code.trim()) {
|
||||
alert('Please write some code before submitting!')
|
||||
return
|
||||
}
|
||||
|
||||
setIsSubmitting(true)
|
||||
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/submit-solution', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({
|
||||
code,
|
||||
language: selectedLanguage
|
||||
})
|
||||
})
|
||||
|
||||
const data = await response.json()
|
||||
|
||||
if (data.success) {
|
||||
setHasSubmitted(true)
|
||||
setTestResults(data.test_results || [])
|
||||
|
||||
let alertMessage = `Solution submitted successfully!\nScore: ${data.score}%\nPassed: ${data.passed_tests}/${data.total_tests} tests`
|
||||
|
||||
if (data.blockchain_verified) {
|
||||
alertMessage += `\n🔗 Blockchain Verified: ${data.wallet_address?.slice(0, 6)}...${data.wallet_address?.slice(-4)}`
|
||||
}
|
||||
|
||||
alert(alertMessage)
|
||||
fetchLeaderboard(examSession!.exam_code)
|
||||
} else {
|
||||
alert(data.error || 'Failed to submit solution')
|
||||
}
|
||||
} catch (error) {
|
||||
alert('Failed to submit solution. Please try again.')
|
||||
} finally {
|
||||
setIsSubmitting(false)
|
||||
}
|
||||
}
|
||||
|
||||
const formatTime = (seconds: number) => {
|
||||
const mins = Math.floor(seconds / 60)
|
||||
const secs = seconds % 60
|
||||
return `${mins.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`
|
||||
}
|
||||
|
||||
const getRankColor = (rank: number) => {
|
||||
switch (rank) {
|
||||
case 1: return 'bg-gradient-to-r from-yellow-400 to-yellow-600 text-white'
|
||||
case 2: return 'bg-gradient-to-r from-gray-300 to-gray-500 text-white'
|
||||
case 3: return 'bg-gradient-to-r from-orange-400 to-orange-600 text-white'
|
||||
default: return 'bg-gray-100 text-gray-700'
|
||||
}
|
||||
}
|
||||
|
||||
if (!examSession || !problem) {
|
||||
return (
|
||||
<div className="min-h-screen bg-gray-900 text-white flex items-center justify-center">
|
||||
<div className="text-center">
|
||||
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
|
||||
<p className="mt-2 text-gray-400">Loading exam interface...</p>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
|
||||
return (
|
||||
<div className="min-h-screen bg-gray-900 text-white">
|
||||
{/* Header with Timer */}
|
||||
<div className="bg-gray-800 border-b border-gray-700 p-4">
|
||||
<div className="max-w-7xl mx-auto flex justify-between items-center">
|
||||
<div>
|
||||
<h1 className="text-xl font-bold">{problem.title}</h1>
|
||||
<p className="text-gray-400">Code: {examSession.exam_code}</p>
|
||||
</div>
|
||||
|
||||
<div className="flex items-center space-x-4">
|
||||
{/* Timer */}
|
||||
{timeRemaining > 0 && (
|
||||
<div className="flex items-center space-x-2 bg-red-900 px-3 py-1 rounded-lg">
|
||||
<Clock className="h-5 w-5 text-red-400" />
|
||||
<span className="font-mono text-lg text-red-400">{formatTime(timeRemaining)}</span>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Wallet Info Display */}
|
||||
{examSession.blockchain_verified && examSession.wallet_address && (
|
||||
<div className="flex items-center space-x-2 bg-green-900 px-3 py-1 rounded-lg">
|
||||
<Wallet className="h-4 w-4 text-green-400" />
|
||||
<span className="text-green-200 text-sm font-mono">
|
||||
{examSession.wallet_address.slice(0, 6)}...{examSession.wallet_address.slice(-4)}
|
||||
</span>
|
||||
<Shield className="h-4 w-4 text-green-400" />
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Participant Count */}
|
||||
<div className="flex items-center space-x-2">
|
||||
<Users className="h-5 w-5 text-blue-400" />
|
||||
<span>{examStats.total_participants || 0} participants</span>
|
||||
{examStats.blockchain_participants > 0 && (
|
||||
<span className="text-green-400 text-sm">
|
||||
({examStats.blockchain_participants} 🔗)
|
||||
</span>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="max-w-7xl mx-auto p-6 grid grid-cols-1 lg:grid-cols-3 gap-6">
|
||||
{/* Problem & Code Editor */}
|
||||
<div className="lg:col-span-2 space-y-6">
|
||||
{/* Problem Description */}
|
||||
<div className="bg-gray-800 rounded-lg p-6">
|
||||
<div className="flex items-center justify-between mb-4">
|
||||
<h2 className="text-xl font-bold">{problem.title}</h2>
|
||||
{examSession.blockchain_verified && (
|
||||
<div className="flex items-center space-x-1 text-green-400 text-sm">
|
||||
<Shield className="h-4 w-4" />
|
||||
<span>Blockchain Verified</span>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
|
||||
<div className="prose prose-invert">
|
||||
<p className="mb-4 text-gray-300">{problem.description}</p>
|
||||
|
||||
<h4 className="text-lg font-semibold mb-2">Examples:</h4>
|
||||
{problem.examples.map((example, index) => (
|
||||
<div key={index} className="bg-gray-900 p-4 rounded mb-3">
|
||||
<div className="grid grid-cols-1 md:grid-cols-2 gap-4 text-sm">
|
||||
<div>
|
||||
<span className="text-blue-400">Input:</span>
|
||||
<code className="ml-2 text-green-400">"{example.input}"</code>
|
||||
</div>
|
||||
<div>
|
||||
<span className="text-blue-400">Output:</span>
|
||||
<code className="ml-2 text-green-400">"{example.expected_output}"</code>
|
||||
</div>
|
||||
</div>
|
||||
{example.description && (
|
||||
<div className="mt-2 text-gray-400 text-sm">{example.description}</div>
|
||||
)}
|
||||
</div>
|
||||
))}
|
||||
|
||||
<h4 className="text-lg font-semibold mb-2">Constraints:</h4>
|
||||
<ul className="list-disc list-inside mb-4 text-gray-300">
|
||||
{problem.constraints.map((constraint, index) => (
|
||||
<li key={index}>{constraint}</li>
|
||||
))}
|
||||
</ul>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Code Editor */}
|
||||
<div className="bg-gray-800 rounded-lg p-6">
|
||||
<div className="flex justify-between items-center mb-4">
|
||||
<h3 className="text-lg font-bold">Your Solution</h3>
|
||||
|
||||
{/* Language Selector */}
|
||||
<div className="flex items-center space-x-2">
|
||||
<Code className="h-4 w-4 text-gray-400" />
|
||||
<select
|
||||
value={selectedLanguage}
|
||||
onChange={(e) => handleLanguageChange(e.target.value)}
|
||||
disabled={hasSubmitted}
|
||||
className="bg-gray-700 text-white px-3 py-1 rounded border border-gray-600 focus:ring-2 focus:ring-blue-500"
|
||||
>
|
||||
{problem.languages.map(lang => (
|
||||
<option key={lang} value={lang}>
|
||||
{languageIcons[lang]} {lang.charAt(0).toUpperCase() + lang.slice(1)}
|
||||
</option>
|
||||
))}
|
||||
</select>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<textarea
|
||||
value={code}
|
||||
onChange={(e) => setCode(e.target.value)}
|
||||
className="w-full h-64 bg-gray-900 text-green-400 font-mono p-4 rounded border border-gray-600 resize-none focus:ring-2 focus:ring-blue-500 focus:border-transparent"
|
||||
disabled={hasSubmitted}
|
||||
spellCheck={false}
|
||||
placeholder={`Write your ${selectedLanguage} solution here...`}
|
||||
/>
|
||||
|
||||
<div className="flex justify-between items-center mt-4">
|
||||
<div className="text-sm text-gray-400">
|
||||
Function: <code className="text-blue-400">{problem.function_name}</code>
|
||||
{hasSubmitted && (
|
||||
<span className="ml-4 text-green-400">
|
||||
✅ Solution submitted
|
||||
{examSession.blockchain_verified && (
|
||||
<span className="ml-2">🔗 Blockchain verified</span>
|
||||
)}
|
||||
</span>
|
||||
)}
|
||||
</div>
|
||||
|
||||
<div className="flex space-x-3">
|
||||
<button
|
||||
onClick={runCode}
|
||||
disabled={isRunning || hasSubmitted || !code.trim()}
|
||||
className="bg-green-600 hover:bg-green-700 disabled:bg-gray-600 px-4 py-2 rounded flex items-center space-x-2 transition-colors"
|
||||
>
|
||||
<Play className="h-4 w-4" />
|
||||
<span>{isRunning ? 'Running...' : 'Test Code'}</span>
|
||||
</button>
|
||||
|
||||
<button
|
||||
onClick={submitSolution}
|
||||
disabled={isSubmitting || hasSubmitted || !code.trim()}
|
||||
className="bg-blue-600 hover:bg-blue-700 disabled:bg-gray-600 px-4 py-2 rounded flex items-center space-x-2 transition-colors"
|
||||
>
|
||||
<Send className="h-4 w-4" />
|
||||
<span>{isSubmitting ? 'Submitting...' : hasSubmitted ? 'Submitted' : 'Submit Solution'}</span>
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Output & Test Results */}
|
||||
{(output || testResults.length > 0) && (
|
||||
<div className="mt-6 bg-gray-900 p-4 rounded">
|
||||
{output && (
|
||||
<div className="mb-4">
|
||||
<h4 className="text-sm font-medium text-gray-400 mb-2">Output:</h4>
|
||||
<pre className="text-green-400 text-sm whitespace-pre-wrap">{output}</pre>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{testResults.length > 0 && (
|
||||
<div>
|
||||
<h4 className="text-sm font-medium text-gray-400 mb-2">Test Results:</h4>
|
||||
<div className="space-y-2">
|
||||
{testResults.map((result, index) => (
|
||||
<div
|
||||
key={index}
|
||||
className={`p-3 rounded text-sm ${
|
||||
result.passed ? 'bg-green-900 text-green-200' : 'bg-red-900 text-red-200'
|
||||
}`}
|
||||
>
|
||||
<div className="flex justify-between items-start">
|
||||
<div>
|
||||
<span className="font-medium">
|
||||
Test {index + 1}: {result.passed ? '✅ Passed' : '❌ Failed'}
|
||||
</span>
|
||||
{result.input && (
|
||||
<div className="text-xs mt-1 opacity-75">
|
||||
Input: "{result.input}"
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
{!result.passed && result.error && (
|
||||
<span className="text-xs text-right">{result.error}</span>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Leaderboard */}
|
||||
<div className="bg-gray-800 rounded-lg p-6">
|
||||
<div className="flex items-center justify-between mb-6">
|
||||
<div className="flex items-center space-x-2">
|
||||
<Trophy className="h-6 w-6 text-yellow-400" />
|
||||
<h3 className="text-xl font-bold">Live Leaderboard</h3>
|
||||
</div>
|
||||
|
||||
<button
|
||||
onClick={() => fetchLeaderboard(examSession.exam_code)}
|
||||
className="p-2 text-gray-400 hover:text-white hover:bg-gray-700 rounded"
|
||||
title="Refresh"
|
||||
>
|
||||
<RefreshCw className="h-4 w-4" />
|
||||
</button>
|
||||
</div>
|
||||
|
||||
{/* Stats */}
|
||||
<div className="grid grid-cols-2 gap-4 mb-6">
|
||||
<div className="bg-gray-900 p-3 rounded">
|
||||
<div className="text-2xl font-bold text-blue-400">{examStats.completed_submissions || 0}</div>
|
||||
<div className="text-xs text-gray-400">Submitted</div>
|
||||
</div>
|
||||
<div className="bg-gray-900 p-3 rounded">
|
||||
<div className="text-2xl font-bold text-green-400">{Math.round(examStats.average_score || 0)}%</div>
|
||||
<div className="text-xs text-gray-400">Avg Score</div>
|
||||
</div>
|
||||
<div className="bg-gray-900 p-3 rounded">
|
||||
<div className="text-2xl font-bold text-purple-400">{examStats.highest_score || 0}%</div>
|
||||
<div className="text-xs text-gray-400">Top Score</div>
|
||||
</div>
|
||||
<div className="bg-gray-900 p-3 rounded">
|
||||
<div className="text-2xl font-bold text-orange-400">{examStats.waiting_submissions || 0}</div>
|
||||
<div className="text-xs text-gray-400">Working</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Blockchain Stats */}
|
||||
{examStats.blockchain_participants > 0 && (
|
||||
<div className="bg-green-900 p-3 rounded mb-6">
|
||||
<div className="flex items-center justify-between">
|
||||
<div>
|
||||
<div className="text-lg font-bold text-green-200">{examStats.blockchain_participants}</div>
|
||||
<div className="text-xs text-green-300">Blockchain Verified</div>
|
||||
</div>
|
||||
<Shield className="h-6 w-6 text-green-400" />
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Leaderboard */}
|
||||
<div className="space-y-2">
|
||||
<h4 className="font-semibold text-gray-300 mb-3">🏆 Rankings</h4>
|
||||
{leaderboard.length > 0 ? (
|
||||
leaderboard.map((participant) => (
|
||||
<div key={participant.name} className={`p-3 rounded-lg ${getRankColor(participant.rank)}`}>
|
||||
<div className="flex justify-between items-center">
|
||||
<div className="flex items-center space-x-3">
|
||||
<span className="font-bold text-lg">#{participant.rank}</span>
|
||||
<div>
|
||||
<div className={`font-medium ${participant.name === examSession.student_name ? 'underline' : ''}`}>
|
||||
{participant.name}
|
||||
{participant.name === examSession.student_name && ' (You)'}
|
||||
{participant.blockchain_verified && (
|
||||
<Shield className="inline h-3 w-3 ml-1 text-green-400" />
|
||||
)}
|
||||
</div>
|
||||
<div className="text-xs opacity-75 flex items-center space-x-2">
|
||||
{participant.language && (
|
||||
<span>
|
||||
{languageIcons[participant.language]} {participant.language}
|
||||
</span>
|
||||
)}
|
||||
{participant.wallet_short && (
|
||||
<span className="font-mono text-green-300">
|
||||
{participant.wallet_short}
|
||||
</span>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<span className="font-bold text-lg">{participant.score}%</span>
|
||||
</div>
|
||||
</div>
|
||||
))
|
||||
) : (
|
||||
<div className="text-center text-gray-400 py-4">
|
||||
No submissions yet
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
|
||||
{/* Waiting Participants */}
|
||||
{waitingParticipants.length > 0 && (
|
||||
<div className="mt-6">
|
||||
<h4 className="font-semibold text-gray-300 mb-3">⏳ Still Working</h4>
|
||||
<div className="space-y-1">
|
||||
{waitingParticipants.map((participant) => (
|
||||
<div key={participant.name} className="p-2 bg-gray-700 rounded text-sm flex items-center justify-between">
|
||||
<span>
|
||||
{participant.name}
|
||||
{participant.name === examSession.student_name && ' (You)'}
|
||||
</span>
|
||||
{participant.blockchain_verified && (
|
||||
<Shield className="h-3 w-3 text-green-400" />
|
||||
)}
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,597 @@
|
||||
'use client'
|
||||
import React, { useState, useEffect } from 'react'
|
||||
import { useParams, useRouter } from 'next/navigation'
|
||||
import {
|
||||
Users, Trophy, Clock, Play, Square, UserX, AlertTriangle,
|
||||
RefreshCw, Settings, BarChart, Eye, Trash2, Plus, Timer
|
||||
} from 'lucide-react'
|
||||
|
||||
interface Participant {
|
||||
name: string
|
||||
joined_at: string
|
||||
score: number
|
||||
completed: boolean
|
||||
language?: string
|
||||
submission_time?: string
|
||||
rank?: number
|
||||
kicked?: boolean
|
||||
}
|
||||
|
||||
interface ExamData {
|
||||
exam_info: {
|
||||
exam_code: string
|
||||
title: string
|
||||
status: string
|
||||
duration_minutes: number
|
||||
max_participants: number
|
||||
time_elapsed: number
|
||||
time_remaining: number
|
||||
start_time?: string
|
||||
end_time?: string
|
||||
}
|
||||
participants: {
|
||||
total: number
|
||||
completed: number
|
||||
working: number
|
||||
all_participants: Participant[]
|
||||
recent_joins: Participant[]
|
||||
}
|
||||
leaderboard: Participant[]
|
||||
statistics: {
|
||||
average_score: number
|
||||
highest_score: number
|
||||
lowest_score: number
|
||||
completion_rate: number
|
||||
}
|
||||
}
|
||||
|
||||
export default function HostDashboard() {
|
||||
const params = useParams()
|
||||
const router = useRouter()
|
||||
const examCode = params.examCode as string
|
||||
|
||||
const [examData, setExamData] = useState<ExamData | null>(null)
|
||||
const [loading, setLoading] = useState(true)
|
||||
const [activeTab, setActiveTab] = useState<'overview' | 'participants' | 'leaderboard' | 'settings'>('overview')
|
||||
const [selectedParticipant, setSelectedParticipant] = useState<string | null>(null)
|
||||
const [showKickModal, setShowKickModal] = useState(false)
|
||||
const [refreshInterval, setRefreshInterval] = useState(3000) // 3 seconds
|
||||
|
||||
useEffect(() => {
|
||||
if (!examCode) return
|
||||
|
||||
fetchDashboardData()
|
||||
const interval = setInterval(fetchDashboardData, refreshInterval)
|
||||
return () => clearInterval(interval)
|
||||
}, [examCode, refreshInterval])
|
||||
|
||||
const fetchDashboardData = async () => {
|
||||
try {
|
||||
const response = await fetch(`http://127.0.0.1:5000/api/exam/host-dashboard/${examCode}`)
|
||||
const data = await response.json()
|
||||
|
||||
if (data.success) {
|
||||
setExamData(data)
|
||||
} else {
|
||||
console.error('Failed to fetch dashboard data:', data.error)
|
||||
}
|
||||
} catch (error) {
|
||||
console.error('Error fetching dashboard data:', error)
|
||||
} finally {
|
||||
setLoading(false)
|
||||
}
|
||||
}
|
||||
|
||||
const startExam = async () => {
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/start-exam', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({ exam_code: examCode })
|
||||
})
|
||||
|
||||
const data = await response.json()
|
||||
if (data.success) {
|
||||
alert('Exam started successfully!')
|
||||
fetchDashboardData()
|
||||
} else {
|
||||
alert(`Failed to start exam: ${data.error}`)
|
||||
}
|
||||
} catch (error) {
|
||||
alert('Failed to start exam')
|
||||
}
|
||||
}
|
||||
|
||||
const endExam = async () => {
|
||||
if (!confirm('Are you sure you want to end the exam? This cannot be undone.')) return
|
||||
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/end-exam', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({ exam_code: examCode })
|
||||
})
|
||||
|
||||
const data = await response.json()
|
||||
if (data.success) {
|
||||
alert('Exam ended successfully!')
|
||||
fetchDashboardData()
|
||||
} else {
|
||||
alert(`Failed to end exam: ${data.error}`)
|
||||
}
|
||||
} catch (error) {
|
||||
alert('Failed to end exam')
|
||||
}
|
||||
}
|
||||
|
||||
const extendExam = async (minutes: number) => {
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/extend-exam', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({
|
||||
exam_code: examCode,
|
||||
additional_minutes: minutes
|
||||
})
|
||||
})
|
||||
|
||||
const data = await response.json()
|
||||
if (data.success) {
|
||||
alert(`Exam extended by ${minutes} minutes!`)
|
||||
fetchDashboardData()
|
||||
} else {
|
||||
alert(`Failed to extend exam: ${data.error}`)
|
||||
}
|
||||
} catch (error) {
|
||||
alert('Failed to extend exam')
|
||||
}
|
||||
}
|
||||
|
||||
const removeParticipant = async (participantName: string) => {
|
||||
if (!confirm(`Are you sure you want to remove "${participantName}" from the exam?`)) return
|
||||
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/remove-participant', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({
|
||||
exam_code: examCode,
|
||||
participant_name: participantName
|
||||
})
|
||||
})
|
||||
|
||||
const data = await response.json()
|
||||
if (data.success) {
|
||||
alert(`Participant "${participantName}" removed successfully!`)
|
||||
fetchDashboardData()
|
||||
setShowKickModal(false)
|
||||
setSelectedParticipant(null)
|
||||
} else {
|
||||
alert(`Failed to remove participant: ${data.error}`)
|
||||
}
|
||||
} catch (error) {
|
||||
alert('Failed to remove participant')
|
||||
}
|
||||
}
|
||||
|
||||
const formatTime = (seconds: number) => {
|
||||
const mins = Math.floor(seconds / 60)
|
||||
const secs = seconds % 60
|
||||
return `${mins.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`
|
||||
}
|
||||
|
||||
const getStatusColor = (status: string) => {
|
||||
switch (status) {
|
||||
case 'waiting': return 'bg-yellow-100 text-yellow-800'
|
||||
case 'active': return 'bg-green-100 text-green-800'
|
||||
case 'completed': return 'bg-gray-100 text-gray-800'
|
||||
default: return 'bg-gray-100 text-gray-800'
|
||||
}
|
||||
}
|
||||
|
||||
if (loading) {
|
||||
return (
|
||||
<div className="min-h-screen bg-gray-900 text-white flex items-center justify-center">
|
||||
<div className="text-center">
|
||||
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
|
||||
<p className="mt-2 text-gray-400">Loading host dashboard...</p>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
|
||||
if (!examData) {
|
||||
return (
|
||||
<div className="min-h-screen bg-gray-900 text-white flex items-center justify-center">
|
||||
<div className="text-center">
|
||||
<AlertTriangle className="h-12 w-12 text-red-400 mx-auto mb-4" />
|
||||
<h2 className="text-xl font-bold mb-2">Exam Not Found</h2>
|
||||
<p className="text-gray-400">The exam code "{examCode}" is invalid or expired.</p>
|
||||
<button
|
||||
onClick={() => router.push('/coding/create')}
|
||||
className="mt-4 bg-blue-600 hover:bg-blue-700 px-4 py-2 rounded"
|
||||
>
|
||||
Create New Exam
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
|
||||
return (
|
||||
<div className="min-h-screen bg-gray-900 text-white">
|
||||
{/* Header */}
|
||||
<div className="bg-gray-800 border-b border-gray-700 p-6">
|
||||
<div className="max-w-7xl mx-auto">
|
||||
<div className="flex justify-between items-center">
|
||||
<div>
|
||||
<h1 className="text-2xl font-bold">{examData.exam_info.title}</h1>
|
||||
<div className="flex items-center space-x-4 mt-2">
|
||||
<span className="text-lg font-mono font-bold text-blue-400">
|
||||
CODE: {examData.exam_info.exam_code}
|
||||
</span>
|
||||
<span className={`px-3 py-1 rounded-full text-sm font-medium ${getStatusColor(examData.exam_info.status)}`}>
|
||||
{examData.exam_info.status.toUpperCase()}
|
||||
</span>
|
||||
<span className="text-gray-400">
|
||||
{examData.participants.total}/{examData.exam_info.max_participants} participants
|
||||
</span>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="flex items-center space-x-4">
|
||||
{/* Timer */}
|
||||
{examData.exam_info.status === 'active' && examData.exam_info.time_remaining > 0 && (
|
||||
<div className="flex items-center space-x-2 bg-red-900 px-4 py-2 rounded-lg">
|
||||
<Clock className="h-5 w-5 text-red-400" />
|
||||
<span className="font-mono text-lg">{formatTime(examData.exam_info.time_remaining)}</span>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Control Buttons */}
|
||||
{examData.exam_info.status === 'waiting' && (
|
||||
<button
|
||||
onClick={startExam}
|
||||
className="bg-green-600 hover:bg-green-700 px-4 py-2 rounded-lg flex items-center space-x-2"
|
||||
>
|
||||
<Play className="h-4 w-4" />
|
||||
<span>Start Exam</span>
|
||||
</button>
|
||||
)}
|
||||
|
||||
{examData.exam_info.status === 'active' && (
|
||||
<div className="flex space-x-2">
|
||||
<button
|
||||
onClick={() => extendExam(10)}
|
||||
className="bg-yellow-600 hover:bg-yellow-700 px-3 py-2 rounded flex items-center space-x-1"
|
||||
>
|
||||
<Timer className="h-4 w-4" />
|
||||
<span>+10min</span>
|
||||
</button>
|
||||
<button
|
||||
onClick={endExam}
|
||||
className="bg-red-600 hover:bg-red-700 px-4 py-2 rounded-lg flex items-center space-x-2"
|
||||
>
|
||||
<Square className="h-4 w-4" />
|
||||
<span>End Exam</span>
|
||||
</button>
|
||||
</div>
|
||||
)}
|
||||
|
||||
<button
|
||||
onClick={fetchDashboardData}
|
||||
className="p-2 text-gray-400 hover:text-white hover:bg-gray-700 rounded"
|
||||
title="Refresh"
|
||||
>
|
||||
<RefreshCw className="h-4 w-4" />
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="max-w-7xl mx-auto p-6">
|
||||
{/* Tab Navigation */}
|
||||
<div className="flex space-x-1 mb-6">
|
||||
{[
|
||||
{ id: 'overview', label: 'Overview', icon: BarChart },
|
||||
{ id: 'participants', label: 'Participants', icon: Users },
|
||||
{ id: 'leaderboard', label: 'Leaderboard', icon: Trophy },
|
||||
{ id: 'settings', label: 'Settings', icon: Settings }
|
||||
].map(tab => (
|
||||
<button
|
||||
key={tab.id}
|
||||
onClick={() => setActiveTab(tab.id as any)}
|
||||
className={`px-4 py-2 rounded-lg flex items-center space-x-2 transition-colors ${
|
||||
activeTab === tab.id
|
||||
? 'bg-blue-600 text-white'
|
||||
: 'bg-gray-800 text-gray-400 hover:text-white hover:bg-gray-700'
|
||||
}`}
|
||||
>
|
||||
<tab.icon className="h-4 w-4" />
|
||||
<span>{tab.label}</span>
|
||||
</button>
|
||||
))}
|
||||
</div>
|
||||
|
||||
{/* Tab Content */}
|
||||
{activeTab === 'overview' && (
|
||||
<div className="space-y-6">
|
||||
{/* Statistics Cards */}
|
||||
<div className="grid grid-cols-1 md:grid-cols-4 gap-6">
|
||||
<div className="bg-gray-800 p-6 rounded-lg">
|
||||
<div className="flex items-center justify-between">
|
||||
<div>
|
||||
<h3 className="text-sm font-medium text-gray-400">Total Participants</h3>
|
||||
<p className="text-3xl font-bold text-blue-400">{examData.participants.total}</p>
|
||||
</div>
|
||||
<Users className="h-8 w-8 text-blue-400" />
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="bg-gray-800 p-6 rounded-lg">
|
||||
<div className="flex items-center justify-between">
|
||||
<div>
|
||||
<h3 className="text-sm font-medium text-gray-400">Completed</h3>
|
||||
<p className="text-3xl font-bold text-green-400">{examData.participants.completed}</p>
|
||||
</div>
|
||||
<Trophy className="h-8 w-8 text-green-400" />
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="bg-gray-800 p-6 rounded-lg">
|
||||
<div className="flex items-center justify-between">
|
||||
<div>
|
||||
<h3 className="text-sm font-medium text-gray-400">Still Working</h3>
|
||||
<p className="text-3xl font-bold text-yellow-400">{examData.participants.working}</p>
|
||||
</div>
|
||||
<Clock className="h-8 w-8 text-yellow-400" />
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="bg-gray-800 p-6 rounded-lg">
|
||||
<div className="flex items-center justify-between">
|
||||
<div>
|
||||
<h3 className="text-sm font-medium text-gray-400">Average Score</h3>
|
||||
<p className="text-3xl font-bold text-purple-400">
|
||||
{Math.round(examData.statistics.average_score)}%
|
||||
</p>
|
||||
</div>
|
||||
<BarChart className="h-8 w-8 text-purple-400" />
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Recent Activity */}
|
||||
<div className="bg-gray-800 rounded-lg p-6">
|
||||
<h3 className="text-lg font-bold mb-4">Recent Participants</h3>
|
||||
<div className="space-y-2">
|
||||
{examData.participants.recent_joins.slice(0, 5).map((participant, index) => (
|
||||
<div key={participant.name} className="flex items-center justify-between p-3 bg-gray-700 rounded">
|
||||
<div className="flex items-center space-x-3">
|
||||
<div className="w-8 h-8 bg-blue-600 rounded-full flex items-center justify-center text-sm font-bold">
|
||||
{participant.name.charAt(0).toUpperCase()}
|
||||
</div>
|
||||
<div>
|
||||
<div className="font-medium">{participant.name}</div>
|
||||
<div className="text-sm text-gray-400">
|
||||
Joined {new Date(participant.joined_at).toLocaleTimeString()}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div className="text-right">
|
||||
<div className={`px-2 py-1 rounded text-xs ${
|
||||
participant.completed ? 'bg-green-900 text-green-200' : 'bg-yellow-900 text-yellow-200'
|
||||
}`}>
|
||||
{participant.completed ? `${participant.score}% completed` : 'Working'}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{activeTab === 'participants' && (
|
||||
<div className="bg-gray-800 rounded-lg overflow-hidden">
|
||||
<div className="p-6 border-b border-gray-700">
|
||||
<div className="flex justify-between items-center">
|
||||
<h3 className="text-lg font-bold">All Participants ({examData.participants.total})</h3>
|
||||
<div className="text-sm text-gray-400">
|
||||
Completion Rate: {Math.round(examData.statistics.completion_rate)}%
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="overflow-x-auto">
|
||||
<table className="w-full">
|
||||
<thead className="bg-gray-700">
|
||||
<tr>
|
||||
<th className="px-6 py-3 text-left text-xs font-medium text-gray-300 uppercase tracking-wider">Participant</th>
|
||||
<th className="px-6 py-3 text-left text-xs font-medium text-gray-300 uppercase tracking-wider">Status</th>
|
||||
<th className="px-6 py-3 text-left text-xs font-medium text-gray-300 uppercase tracking-wider">Score</th>
|
||||
<th className="px-6 py-3 text-left text-xs font-medium text-gray-300 uppercase tracking-wider">Language</th>
|
||||
<th className="px-6 py-3 text-left text-xs font-medium text-gray-300 uppercase tracking-wider">Joined</th>
|
||||
<th className="px-6 py-3 text-left text-xs font-medium text-gray-300 uppercase tracking-wider">Actions</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody className="divide-y divide-gray-700">
|
||||
{examData.participants.all_participants.map((participant) => (
|
||||
<tr key={participant.name} className="hover:bg-gray-700">
|
||||
<td className="px-6 py-4 whitespace-nowrap">
|
||||
<div className="flex items-center">
|
||||
<div className="w-8 h-8 bg-blue-600 rounded-full flex items-center justify-center text-sm font-bold mr-3">
|
||||
{participant.name.charAt(0).toUpperCase()}
|
||||
</div>
|
||||
<div className="font-medium">{participant.name}</div>
|
||||
</div>
|
||||
</td>
|
||||
<td className="px-6 py-4 whitespace-nowrap">
|
||||
<span className={`px-2 py-1 rounded-full text-xs font-medium ${
|
||||
participant.completed
|
||||
? 'bg-green-900 text-green-200'
|
||||
: participant.kicked
|
||||
? 'bg-red-900 text-red-200'
|
||||
: 'bg-yellow-900 text-yellow-200'
|
||||
}`}>
|
||||
{participant.kicked ? 'Kicked' : participant.completed ? 'Completed' : 'Working'}
|
||||
</span>
|
||||
</td>
|
||||
<td className="px-6 py-4 whitespace-nowrap text-sm text-gray-300">
|
||||
{participant.completed ? `${participant.score}%` : '-'}
|
||||
</td>
|
||||
<td className="px-6 py-4 whitespace-nowrap text-sm text-gray-300">
|
||||
{participant.language || '-'}
|
||||
</td>
|
||||
<td className="px-6 py-4 whitespace-nowrap text-sm text-gray-300">
|
||||
{new Date(participant.joined_at).toLocaleString()}
|
||||
</td>
|
||||
<td className="px-6 py-4 whitespace-nowrap text-sm font-medium">
|
||||
<div className="flex space-x-2">
|
||||
<button
|
||||
onClick={() => {
|
||||
setSelectedParticipant(participant.name)
|
||||
setShowKickModal(true)
|
||||
}}
|
||||
className="text-red-400 hover:text-red-300"
|
||||
title="Remove Participant"
|
||||
>
|
||||
<UserX className="h-4 w-4" />
|
||||
</button>
|
||||
</div>
|
||||
</td>
|
||||
</tr>
|
||||
))}
|
||||
</tbody>
|
||||
</table>
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{activeTab === 'leaderboard' && (
|
||||
<div className="bg-gray-800 rounded-lg p-6">
|
||||
<h3 className="text-lg font-bold mb-6">Live Leaderboard</h3>
|
||||
<div className="space-y-3">
|
||||
{examData.leaderboard.map((participant, index) => {
|
||||
const rankColors = {
|
||||
1: 'bg-gradient-to-r from-yellow-600 to-yellow-500 text-white',
|
||||
2: 'bg-gradient-to-r from-gray-400 to-gray-500 text-white',
|
||||
3: 'bg-gradient-to-r from-orange-600 to-orange-500 text-white'
|
||||
}
|
||||
|
||||
return (
|
||||
<div
|
||||
key={participant.name}
|
||||
className={`p-4 rounded-lg ${
|
||||
rankColors[participant.rank as keyof typeof rankColors] || 'bg-gray-700'
|
||||
}`}
|
||||
>
|
||||
<div className="flex items-center justify-between">
|
||||
<div className="flex items-center space-x-4">
|
||||
<div className="text-2xl font-bold">#{participant.rank}</div>
|
||||
<div>
|
||||
<div className="font-bold text-lg">{participant.name}</div>
|
||||
<div className="text-sm opacity-75">
|
||||
{participant.language && `${participant.language} • `}
|
||||
Submitted: {new Date(participant.submission_time!).toLocaleTimeString()}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div className="text-right">
|
||||
<div className="text-2xl font-bold">{participant.score}%</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
})}
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{activeTab === 'settings' && (
|
||||
<div className="space-y-6">
|
||||
<div className="bg-gray-800 rounded-lg p-6">
|
||||
<h3 className="text-lg font-bold mb-4">Exam Controls</h3>
|
||||
<div className="grid grid-cols-1 md:grid-cols-2 gap-4">
|
||||
<button
|
||||
onClick={() => extendExam(5)}
|
||||
disabled={examData.exam_info.status !== 'active'}
|
||||
className="bg-yellow-600 hover:bg-yellow-700 disabled:bg-gray-600 px-4 py-2 rounded text-left"
|
||||
>
|
||||
<div className="font-medium">Extend by 5 minutes</div>
|
||||
<div className="text-sm opacity-75">Add more time to the exam</div>
|
||||
</button>
|
||||
|
||||
<button
|
||||
onClick={() => extendExam(15)}
|
||||
disabled={examData.exam_info.status !== 'active'}
|
||||
className="bg-yellow-600 hover:bg-yellow-700 disabled:bg-gray-600 px-4 py-2 rounded text-left"
|
||||
>
|
||||
<div className="font-medium">Extend by 15 minutes</div>
|
||||
<div className="text-sm opacity-75">Add significant extra time</div>
|
||||
</button>
|
||||
|
||||
<button
|
||||
onClick={endExam}
|
||||
disabled={examData.exam_info.status !== 'active'}
|
||||
className="bg-red-600 hover:bg-red-700 disabled:bg-gray-600 px-4 py-2 rounded text-left"
|
||||
>
|
||||
<div className="font-medium">End Exam Early</div>
|
||||
<div className="text-sm opacity-75">Stop the exam immediately</div>
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="bg-gray-800 rounded-lg p-6">
|
||||
<h3 className="text-lg font-bold mb-4">Auto-Refresh Settings</h3>
|
||||
<div className="flex items-center space-x-4">
|
||||
<label className="text-sm font-medium">Update Interval:</label>
|
||||
<select
|
||||
value={refreshInterval}
|
||||
onChange={(e) => setRefreshInterval(Number(e.target.value))}
|
||||
className="bg-gray-700 border border-gray-600 rounded px-3 py-1 text-sm"
|
||||
>
|
||||
<option value={1000}>1 second</option>
|
||||
<option value={3000}>3 seconds</option>
|
||||
<option value={5000}>5 seconds</option>
|
||||
<option value={10000}>10 seconds</option>
|
||||
</select>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
|
||||
{/* Kick Participant Modal */}
|
||||
{showKickModal && selectedParticipant && (
|
||||
<div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
|
||||
<div className="bg-gray-800 rounded-lg p-6 w-full max-w-md">
|
||||
<h3 className="text-lg font-bold mb-4">Remove Participant</h3>
|
||||
<p className="text-gray-300 mb-6">
|
||||
Are you sure you want to remove <strong>"{selectedParticipant}"</strong> from the exam?
|
||||
This action cannot be undone.
|
||||
</p>
|
||||
<div className="flex justify-end space-x-3">
|
||||
<button
|
||||
onClick={() => {
|
||||
setShowKickModal(false)
|
||||
setSelectedParticipant(null)
|
||||
}}
|
||||
className="px-4 py-2 bg-gray-600 hover:bg-gray-700 rounded"
|
||||
>
|
||||
Cancel
|
||||
</button>
|
||||
<button
|
||||
onClick={() => removeParticipant(selectedParticipant)}
|
||||
className="px-4 py-2 bg-red-600 hover:bg-red-700 rounded"
|
||||
>
|
||||
Remove Participant
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,330 @@
|
||||
'use client'
|
||||
import React, { useState } from 'react'
|
||||
import { useRouter } from 'next/navigation'
|
||||
import { Wallet, Shield, Code, AlertCircle, CheckCircle } from 'lucide-react'
|
||||
|
||||
declare global {
|
||||
interface Window {
|
||||
ethereum?: any
|
||||
}
|
||||
}
|
||||
|
||||
export default function JoinExamWallet() {
|
||||
const [examCode, setExamCode] = useState('')
|
||||
const [studentName, setStudentName] = useState('')
|
||||
const [walletAddress, setWalletAddress] = useState('')
|
||||
const [isConnecting, setIsConnecting] = useState(false)
|
||||
const [isJoining, setIsJoining] = useState(false)
|
||||
const [error, setError] = useState('')
|
||||
const [step, setStep] = useState<'connect' | 'auth' | 'join'>('connect')
|
||||
const [authMessage, setAuthMessage] = useState('')
|
||||
const router = useRouter()
|
||||
|
||||
const connectWallet = async () => {
|
||||
if (!window.ethereum) {
|
||||
setError('MetaMask is not installed. Please install MetaMask to continue.')
|
||||
return
|
||||
}
|
||||
|
||||
setIsConnecting(true)
|
||||
setError('')
|
||||
|
||||
try {
|
||||
const accounts = await window.ethereum.request({
|
||||
method: 'eth_requestAccounts'
|
||||
})
|
||||
|
||||
if (accounts.length > 0) {
|
||||
setWalletAddress(accounts[0])
|
||||
setStep('auth')
|
||||
}
|
||||
} catch (error: any) {
|
||||
setError('Failed to connect wallet: ' + error.message)
|
||||
} finally {
|
||||
setIsConnecting(false)
|
||||
}
|
||||
}
|
||||
|
||||
const getAuthMessage = async () => {
|
||||
if (!examCode.trim()) {
|
||||
setError('Please enter exam code')
|
||||
return
|
||||
}
|
||||
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/wallet-auth-message', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({
|
||||
wallet_address: walletAddress,
|
||||
exam_code: examCode.toUpperCase()
|
||||
})
|
||||
})
|
||||
|
||||
const data = await response.json()
|
||||
|
||||
if (data.success) {
|
||||
setAuthMessage(data.message)
|
||||
setStep('join')
|
||||
} else {
|
||||
setError(data.error || 'Failed to get authentication message')
|
||||
}
|
||||
} catch (error) {
|
||||
setError('Connection failed. Please check if the backend is running.')
|
||||
}
|
||||
}
|
||||
|
||||
const signAndJoinExam = async () => {
|
||||
if (!studentName.trim()) {
|
||||
setError('Please enter your name')
|
||||
return
|
||||
}
|
||||
|
||||
setIsJoining(true)
|
||||
setError('')
|
||||
|
||||
try {
|
||||
// Sign the message
|
||||
const signature = await window.ethereum.request({
|
||||
method: 'personal_sign',
|
||||
params: [authMessage, walletAddress]
|
||||
})
|
||||
|
||||
// Join exam with signature
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/join-exam-wallet', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({
|
||||
wallet_address: walletAddress,
|
||||
exam_code: examCode.toUpperCase(),
|
||||
signature: signature,
|
||||
student_name: studentName
|
||||
})
|
||||
})
|
||||
|
||||
const data = await response.json()
|
||||
|
||||
if (data.success) {
|
||||
// Store session data
|
||||
localStorage.setItem('exam_session', JSON.stringify({
|
||||
exam_code: examCode.toUpperCase(),
|
||||
student_name: studentName,
|
||||
wallet_address: walletAddress,
|
||||
blockchain_verified: true,
|
||||
exam_info: data.exam_info
|
||||
}))
|
||||
|
||||
// Redirect to exam interface
|
||||
router.push('/coding/exam')
|
||||
} else {
|
||||
setError(data.error || 'Failed to join exam')
|
||||
}
|
||||
} catch (error: any) {
|
||||
if (error.code === 4001) {
|
||||
setError('Transaction was cancelled by user')
|
||||
} else {
|
||||
setError('Failed to sign message or join exam')
|
||||
}
|
||||
} finally {
|
||||
setIsJoining(false)
|
||||
}
|
||||
}
|
||||
|
||||
return (
|
||||
<div className="min-h-screen bg-gradient-to-br from-blue-900 via-purple-900 to-pink-900 flex items-center justify-center p-4">
|
||||
<div className="bg-white rounded-xl shadow-2xl p-8 w-full max-w-lg">
|
||||
{/* Header */}
|
||||
<div className="text-center mb-8">
|
||||
<div className="w-16 h-16 bg-gradient-to-r from-blue-600 to-purple-600 rounded-full flex items-center justify-center mx-auto mb-4">
|
||||
<Wallet className="h-8 w-8 text-white" />
|
||||
</div>
|
||||
<h1 className="text-3xl font-bold text-gray-900 mb-2">Join with Wallet</h1>
|
||||
<p className="text-gray-600">Connect your wallet to join the blockchain-verified coding exam</p>
|
||||
</div>
|
||||
|
||||
{/* Step Indicator */}
|
||||
<div className="flex items-center justify-center mb-8">
|
||||
<div className="flex items-center space-x-2">
|
||||
<div className={`w-8 h-8 rounded-full flex items-center justify-center ${
|
||||
step === 'connect' ? 'bg-blue-600 text-white' :
|
||||
walletAddress ? 'bg-green-600 text-white' : 'bg-gray-300 text-gray-600'
|
||||
}`}>
|
||||
1
|
||||
</div>
|
||||
<div className="w-12 h-1 bg-gray-300"></div>
|
||||
<div className={`w-8 h-8 rounded-full flex items-center justify-center ${
|
||||
step === 'auth' ? 'bg-blue-600 text-white' :
|
||||
authMessage ? 'bg-green-600 text-white' : 'bg-gray-300 text-gray-600'
|
||||
}`}>
|
||||
2
|
||||
</div>
|
||||
<div className="w-12 h-1 bg-gray-300"></div>
|
||||
<div className={`w-8 h-8 rounded-full flex items-center justify-center ${
|
||||
step === 'join' ? 'bg-blue-600 text-white' : 'bg-gray-300 text-gray-600'
|
||||
}`}>
|
||||
3
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Step 1: Connect Wallet */}
|
||||
{step === 'connect' && (
|
||||
<div className="space-y-6">
|
||||
<div className="text-center">
|
||||
<Shield className="h-12 w-12 text-blue-600 mx-auto mb-4" />
|
||||
<h2 className="text-xl font-bold mb-2">Connect Your Wallet</h2>
|
||||
<p className="text-gray-600 mb-6">Connect MetaMask to verify your identity on the blockchain</p>
|
||||
</div>
|
||||
|
||||
{walletAddress ? (
|
||||
<div className="bg-green-50 border border-green-200 p-4 rounded-lg">
|
||||
<div className="flex items-center">
|
||||
<CheckCircle className="h-5 w-5 text-green-600 mr-2" />
|
||||
<span className="font-medium text-green-800">Wallet Connected</span>
|
||||
</div>
|
||||
<p className="text-sm text-green-700 mt-1 font-mono">
|
||||
{walletAddress.slice(0, 6)}...{walletAddress.slice(-4)}
|
||||
</p>
|
||||
<button
|
||||
onClick={() => setStep('auth')}
|
||||
className="mt-3 w-full bg-blue-600 hover:bg-blue-700 text-white py-2 px-4 rounded-lg"
|
||||
>
|
||||
Continue
|
||||
</button>
|
||||
</div>
|
||||
) : (
|
||||
<button
|
||||
onClick={connectWallet}
|
||||
disabled={isConnecting}
|
||||
className="w-full bg-gradient-to-r from-blue-600 to-purple-600 hover:from-blue-700 hover:to-purple-700 text-white font-semibold py-3 px-4 rounded-lg disabled:opacity-50"
|
||||
>
|
||||
{isConnecting ? (
|
||||
<div className="flex items-center justify-center">
|
||||
<div className="animate-spin rounded-full h-5 w-5 border-2 border-white border-t-transparent mr-2"></div>
|
||||
Connecting...
|
||||
</div>
|
||||
) : (
|
||||
<>
|
||||
<Wallet className="inline h-5 w-5 mr-2" />
|
||||
Connect MetaMask
|
||||
</>
|
||||
)}
|
||||
</button>
|
||||
)}
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Step 2: Get Auth Message */}
|
||||
{step === 'auth' && (
|
||||
<div className="space-y-6">
|
||||
<div className="text-center">
|
||||
<Code className="h-12 w-12 text-purple-600 mx-auto mb-4" />
|
||||
<h2 className="text-xl font-bold mb-2">Enter Exam Code</h2>
|
||||
<p className="text-gray-600 mb-6">Enter the exam code provided by your instructor</p>
|
||||
</div>
|
||||
|
||||
<div>
|
||||
<label className="block text-sm font-medium text-gray-700 mb-2">
|
||||
Exam Code
|
||||
</label>
|
||||
<input
|
||||
type="text"
|
||||
value={examCode}
|
||||
onChange={(e) => setExamCode(e.target.value.toUpperCase())}
|
||||
placeholder="Enter 6-character code"
|
||||
maxLength={6}
|
||||
className="w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent text-center text-lg font-mono tracking-widest uppercase"
|
||||
/>
|
||||
</div>
|
||||
|
||||
<button
|
||||
onClick={getAuthMessage}
|
||||
disabled={!examCode.trim()}
|
||||
className="w-full bg-purple-600 hover:bg-purple-700 disabled:bg-gray-400 text-white font-semibold py-3 px-4 rounded-lg"
|
||||
>
|
||||
Get Authentication Message
|
||||
</button>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Step 3: Sign and Join */}
|
||||
{step === 'join' && (
|
||||
<div className="space-y-6">
|
||||
<div className="text-center">
|
||||
<Shield className="h-12 w-12 text-green-600 mx-auto mb-4" />
|
||||
<h2 className="text-xl font-bold mb-2">Sign & Join Exam</h2>
|
||||
<p className="text-gray-600 mb-6">Enter your name and sign the message to join</p>
|
||||
</div>
|
||||
|
||||
<div>
|
||||
<label className="block text-sm font-medium text-gray-700 mb-2">
|
||||
Your Name
|
||||
</label>
|
||||
<input
|
||||
type="text"
|
||||
value={studentName}
|
||||
onChange={(e) => setStudentName(e.target.value)}
|
||||
placeholder="Enter your full name"
|
||||
className="w-full px-4 py-3 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent"
|
||||
/>
|
||||
</div>
|
||||
|
||||
{authMessage && (
|
||||
<div className="bg-gray-50 border border-gray-200 p-4 rounded-lg">
|
||||
<p className="text-sm text-gray-600 mb-2">You will sign this message:</p>
|
||||
<div className="bg-white p-3 rounded border text-xs font-mono text-gray-800 max-h-32 overflow-y-auto">
|
||||
{authMessage}
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
|
||||
<button
|
||||
onClick={signAndJoinExam}
|
||||
disabled={isJoining || !studentName.trim()}
|
||||
className="w-full bg-gradient-to-r from-green-600 to-blue-600 hover:from-green-700 hover:to-blue-700 text-white font-semibold py-3 px-4 rounded-lg disabled:opacity-50"
|
||||
>
|
||||
{isJoining ? (
|
||||
<div className="flex items-center justify-center">
|
||||
<div className="animate-spin rounded-full h-5 w-5 border-2 border-white border-t-transparent mr-2"></div>
|
||||
Signing & Joining...
|
||||
</div>
|
||||
) : (
|
||||
<>
|
||||
<Shield className="inline h-5 w-5 mr-2" />
|
||||
Sign & Join Exam
|
||||
</>
|
||||
)}
|
||||
</button>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Error Display */}
|
||||
{error && (
|
||||
<div className="mt-6 bg-red-50 border border-red-200 text-red-700 px-4 py-3 rounded-lg text-sm flex items-start">
|
||||
<AlertCircle className="h-4 w-4 mr-2 mt-0.5 flex-shrink-0" />
|
||||
{error}
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Features */}
|
||||
<div className="mt-8 pt-6 border-t border-gray-200">
|
||||
<h3 className="text-sm font-medium text-gray-700 mb-3">Blockchain Benefits:</h3>
|
||||
<div className="space-y-2 text-sm text-gray-600">
|
||||
<div className="flex items-center">
|
||||
<Shield className="h-4 w-4 text-green-500 mr-2" />
|
||||
Tamper-proof identity verification
|
||||
</div>
|
||||
<div className="flex items-center">
|
||||
<Wallet className="h-4 w-4 text-blue-500 mr-2" />
|
||||
Wallet-based authentication
|
||||
</div>
|
||||
<div className="flex items-center">
|
||||
<Code className="h-4 w-4 text-purple-500 mr-2" />
|
||||
Permanent participation records
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,183 @@
|
||||
'use client'
|
||||
import { useState } from 'react'
|
||||
import { useRouter } from 'next/navigation'
|
||||
|
||||
export default function JoinExam() {
|
||||
const [examCode, setExamCode] = useState('')
|
||||
const [studentName, setStudentName] = useState('')
|
||||
const [loading, setLoading] = useState(false)
|
||||
const [result, setResult] = useState('')
|
||||
const router = useRouter()
|
||||
|
||||
const join = async () => {
|
||||
if (!examCode || !studentName) {
|
||||
setResult('❌ Please fill both fields')
|
||||
return
|
||||
}
|
||||
|
||||
setLoading(true)
|
||||
setResult('⏳ Joining exam...')
|
||||
|
||||
try {
|
||||
const payload = {
|
||||
exam_code: examCode.trim().toUpperCase(),
|
||||
student_name: studentName.trim()
|
||||
}
|
||||
|
||||
console.log('🚀 Sending:', payload)
|
||||
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/join-exam', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify(payload)
|
||||
})
|
||||
|
||||
const data = await response.json()
|
||||
console.log('📦 Response:', data)
|
||||
|
||||
if (data.success) {
|
||||
// ✅ ENHANCED SUCCESS DISPLAY
|
||||
const successMessage = `✅ Successfully joined: ${data.exam_info.title}
|
||||
|
||||
📋 Exam Details:
|
||||
• Status: ${data.exam_info.status}
|
||||
• Duration: ${data.exam_info.duration_minutes} minutes
|
||||
• Participants: ${data.exam_info.participants_count}/${data.exam_info.max_participants}
|
||||
• Languages: ${data.exam_info.languages.join(', ')}
|
||||
• Problem: ${data.exam_info.problem_title}
|
||||
|
||||
🎯 You're now registered for the exam!
|
||||
⏳ Wait for the host to start the exam.`
|
||||
|
||||
setResult(successMessage)
|
||||
|
||||
// Store session data
|
||||
localStorage.setItem('exam_session', JSON.stringify({
|
||||
exam_code: examCode.toUpperCase(),
|
||||
student_name: studentName,
|
||||
exam_info: data.exam_info,
|
||||
joined_at: new Date().toISOString()
|
||||
}))
|
||||
|
||||
// Show success alert
|
||||
alert(`🎉 Welcome to the exam!
|
||||
|
||||
📝 Exam: ${data.exam_info.title}
|
||||
👤 Joined as: ${studentName}
|
||||
📊 You are participant #${data.exam_info.participants_count}
|
||||
|
||||
✅ Successfully registered!`)
|
||||
|
||||
// Redirect to exam waiting page after 2 seconds
|
||||
setTimeout(() => {
|
||||
router.push('/coding/exam')
|
||||
}, 2000)
|
||||
|
||||
} else {
|
||||
setResult(`❌ Error: ${data.error}`)
|
||||
}
|
||||
} catch (error) {
|
||||
console.error('❌ Error:', error)
|
||||
setResult('❌ Network error: Could not connect to server')
|
||||
} finally {
|
||||
setLoading(false)
|
||||
}
|
||||
}
|
||||
|
||||
return (
|
||||
<div style={{ padding: '50px', background: '#1a1a1a', color: 'white', minHeight: '100vh', fontFamily: 'monospace' }}>
|
||||
<h1>🚀 Join Coding Exam</h1>
|
||||
|
||||
<div style={{ maxWidth: '500px', marginTop: '30px' }}>
|
||||
<div style={{ marginBottom: '20px' }}>
|
||||
<label style={{ display: 'block', marginBottom: '5px', color: '#4CAF50' }}>
|
||||
Exam Code:
|
||||
</label>
|
||||
<input
|
||||
value={examCode}
|
||||
onChange={e => setExamCode(e.target.value)}
|
||||
placeholder="0C3LQ8"
|
||||
style={{
|
||||
width: '100%',
|
||||
padding: '12px',
|
||||
background: '#333',
|
||||
color: 'white',
|
||||
border: '2px solid #4CAF50',
|
||||
borderRadius: '4px',
|
||||
fontFamily: 'monospace',
|
||||
fontSize: '16px',
|
||||
textTransform: 'uppercase'
|
||||
}}
|
||||
/>
|
||||
</div>
|
||||
|
||||
<div style={{ marginBottom: '20px' }}>
|
||||
<label style={{ display: 'block', marginBottom: '5px', color: '#4CAF50' }}>
|
||||
Your Name:
|
||||
</label>
|
||||
<input
|
||||
value={studentName}
|
||||
onChange={e => setStudentName(e.target.value)}
|
||||
placeholder="Your name"
|
||||
style={{
|
||||
width: '100%',
|
||||
padding: '12px',
|
||||
background: '#333',
|
||||
color: 'white',
|
||||
border: '2px solid #4CAF50',
|
||||
borderRadius: '4px',
|
||||
fontSize: '16px'
|
||||
}}
|
||||
/>
|
||||
</div>
|
||||
|
||||
<button
|
||||
onClick={join}
|
||||
disabled={loading}
|
||||
style={{
|
||||
width: '100%',
|
||||
padding: '15px',
|
||||
background: loading ? '#666' : '#4CAF50',
|
||||
color: 'white',
|
||||
border: 'none',
|
||||
borderRadius: '4px',
|
||||
fontSize: '18px',
|
||||
cursor: loading ? 'not-allowed' : 'pointer',
|
||||
fontWeight: 'bold'
|
||||
}}
|
||||
>
|
||||
{loading ? '⏳ Joining Exam...' : '🚀 Join Exam'}
|
||||
</button>
|
||||
</div>
|
||||
|
||||
{/* ENHANCED RESULT DISPLAY */}
|
||||
{result && (
|
||||
<div style={{
|
||||
marginTop: '30px',
|
||||
padding: '20px',
|
||||
background: result.includes('✅') ? '#1a4a1a' : '#4a1a1a',
|
||||
border: result.includes('✅') ? '2px solid #4CAF50' : '2px solid #f44336',
|
||||
borderRadius: '8px',
|
||||
whiteSpace: 'pre-line',
|
||||
fontSize: '14px',
|
||||
lineHeight: '1.6'
|
||||
}}>
|
||||
{result}
|
||||
</div>
|
||||
)}
|
||||
|
||||
<div style={{
|
||||
marginTop: '30px',
|
||||
padding: '15px',
|
||||
background: '#333',
|
||||
borderRadius: '4px',
|
||||
border: '2px solid #4CAF50'
|
||||
}}>
|
||||
<h3 style={{ color: '#4CAF50' }}>🔧 Debug Info:</h3>
|
||||
<p>Exam Code: "{examCode}"</p>
|
||||
<p>Student Name: "{studentName}"</p>
|
||||
<p style={{ color: '#4CAF50' }}>✅ Backend working correctly</p>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
@@ -1,5 +1,454 @@
|
||||
import { CodingProblemList } from "@/components/coding-problem-list"
|
||||
'use client'
|
||||
import React, { useState, useEffect } from 'react'
|
||||
import { useRouter } from 'next/navigation'
|
||||
import { Play, Lock, Shield, AlertTriangle, Users, Trophy, Clock } from 'lucide-react'
|
||||
|
||||
export default function CodingPage() {
|
||||
return <CodingProblemList />
|
||||
type UserRole = 'selector' | 'host' | 'participant'
|
||||
type ExamStatus = 'waiting' | 'active' | 'completed'
|
||||
|
||||
interface Participant {
|
||||
name: string
|
||||
score: number
|
||||
completed: boolean
|
||||
submitted_at?: string
|
||||
}
|
||||
|
||||
export default function CodingExamPlatform() {
|
||||
const [userRole, setUserRole] = useState<UserRole>('selector')
|
||||
const [examId, setExamId] = useState('')
|
||||
const [participantName, setParticipantName] = useState('')
|
||||
const [examInfo, setExamInfo] = useState<any>(null)
|
||||
const [systemChecked, setSystemChecked] = useState(false)
|
||||
const [isSecureMode, setIsSecureMode] = useState(false)
|
||||
const [leaderboard, setLeaderboard] = useState<Participant[]>([])
|
||||
const [timeRemaining, setTimeRemaining] = useState(0)
|
||||
|
||||
// Coding states
|
||||
const [code, setCode] = useState('')
|
||||
const [output, setOutput] = useState('')
|
||||
const [isExecuting, setIsExecuting] = useState(false)
|
||||
|
||||
const router = useRouter()
|
||||
|
||||
// System Requirements Check
|
||||
const checkSystemRequirements = () => {
|
||||
const checks = {
|
||||
fullscreenSupported: document.fullscreenEnabled,
|
||||
webGLSupported: !!document.createElement('canvas').getContext('webgl'),
|
||||
localStorageSupported: typeof Storage !== 'undefined',
|
||||
cookiesEnabled: navigator.cookieEnabled
|
||||
}
|
||||
|
||||
const allPassed = Object.values(checks).every(check => check)
|
||||
|
||||
if (allPassed) {
|
||||
setSystemChecked(true)
|
||||
alert('System requirements check passed! ✅')
|
||||
} else {
|
||||
alert('System requirements not met. Please use a modern browser.')
|
||||
}
|
||||
|
||||
return allPassed
|
||||
}
|
||||
|
||||
const acceptSystemRequirements = () => {
|
||||
if (checkSystemRequirements()) {
|
||||
enableSecureMode()
|
||||
}
|
||||
}
|
||||
|
||||
const enableSecureMode = () => {
|
||||
// Enter fullscreen
|
||||
document.documentElement.requestFullscreen().then(() => {
|
||||
setIsSecureMode(true)
|
||||
disableBrowserFeatures()
|
||||
detectVirtualEnvironment()
|
||||
|
||||
// Start exam timer if in active exam
|
||||
if (examInfo?.status === 'active') {
|
||||
startExamTimer()
|
||||
}
|
||||
}).catch(() => {
|
||||
alert('Fullscreen mode is required for secure coding')
|
||||
})
|
||||
}
|
||||
|
||||
const disableBrowserFeatures = () => {
|
||||
// Disable right-click, copy/paste, dev tools
|
||||
const blockActions = (e: KeyboardEvent) => {
|
||||
if (e.ctrlKey && ['c', 'v', 'x', 'a'].includes(e.key)) {
|
||||
e.preventDefault()
|
||||
alert('Copy/paste is disabled in exam mode')
|
||||
}
|
||||
if (e.key === 'F12' || (e.ctrlKey && e.shiftKey && ['I', 'C'].includes(e.key))) {
|
||||
e.preventDefault()
|
||||
alert('Developer tools are disabled')
|
||||
}
|
||||
}
|
||||
|
||||
document.addEventListener('keydown', blockActions)
|
||||
document.addEventListener('contextmenu', e => e.preventDefault())
|
||||
document.addEventListener('selectstart', e => e.preventDefault())
|
||||
}
|
||||
|
||||
const detectVirtualEnvironment = () => {
|
||||
const canvas = document.createElement('canvas')
|
||||
const gl = canvas.getContext('webgl')
|
||||
|
||||
if (gl) {
|
||||
const renderer = gl.getParameter(gl.RENDERER)
|
||||
if (renderer.includes('VMware') || renderer.includes('VirtualBox')) {
|
||||
alert('Virtual environment detected. Exam will be terminated.')
|
||||
window.location.href = '/'
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const createExam = async () => {
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/create-exam', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({
|
||||
title: 'String Capitalizer Challenge',
|
||||
problem_id: 'string-capitalizer',
|
||||
duration_minutes: 30,
|
||||
host_name: participantName
|
||||
})
|
||||
})
|
||||
|
||||
const data = await response.json()
|
||||
if (data.success) {
|
||||
setExamId(data.exam_code)
|
||||
setExamInfo({ title: 'String Capitalizer Challenge', status: 'waiting' })
|
||||
alert(`Exam created! Share this code with participants: ${data.exam_code}`)
|
||||
}
|
||||
} catch (error) {
|
||||
alert('Failed to create exam')
|
||||
}
|
||||
}
|
||||
|
||||
const joinExam = async () => {
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/join-exam', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({
|
||||
exam_id: examId,
|
||||
name: participantName
|
||||
})
|
||||
})
|
||||
|
||||
const data = await response.json()
|
||||
if (data.success) {
|
||||
setExamInfo(data.exam_info)
|
||||
alert('Successfully joined the exam!')
|
||||
} else {
|
||||
alert(data.error)
|
||||
}
|
||||
} catch (error) {
|
||||
alert('Failed to join exam')
|
||||
}
|
||||
}
|
||||
|
||||
const startExam = async () => {
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/start-exam', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({ exam_id: examId })
|
||||
})
|
||||
|
||||
const data = await response.json()
|
||||
if (data.success) {
|
||||
setExamInfo(prev => ({ ...prev, status: 'active' }))
|
||||
alert('Exam started! Participants can now begin coding.')
|
||||
startExamTimer()
|
||||
}
|
||||
} catch (error) {
|
||||
alert('Failed to start exam')
|
||||
}
|
||||
}
|
||||
|
||||
const startExamTimer = () => {
|
||||
const duration = 30 * 60 // 30 minutes in seconds
|
||||
setTimeRemaining(duration)
|
||||
|
||||
const timer = setInterval(() => {
|
||||
setTimeRemaining(prev => {
|
||||
if (prev <= 1) {
|
||||
clearInterval(timer)
|
||||
alert('Time is up!')
|
||||
return 0
|
||||
}
|
||||
return prev - 1
|
||||
})
|
||||
}, 1000)
|
||||
}
|
||||
|
||||
const submitSolution = async () => {
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/submit-solution', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({ code })
|
||||
})
|
||||
|
||||
const data = await response.json()
|
||||
if (data.success) {
|
||||
alert(`Solution submitted! Your score: ${data.score}%`)
|
||||
fetchLeaderboard()
|
||||
}
|
||||
} catch (error) {
|
||||
alert('Failed to submit solution')
|
||||
}
|
||||
}
|
||||
|
||||
const fetchLeaderboard = async () => {
|
||||
try {
|
||||
const response = await fetch(`http://127.0.0.1:5000/api/exam/leaderboard/${examId}`)
|
||||
const data = await response.json()
|
||||
setLeaderboard(data.leaderboard)
|
||||
} catch (error) {
|
||||
console.error('Failed to fetch leaderboard')
|
||||
}
|
||||
}
|
||||
|
||||
const formatTime = (seconds: number) => {
|
||||
const mins = Math.floor(seconds / 60)
|
||||
const secs = seconds % 60
|
||||
return `${mins.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`
|
||||
}
|
||||
|
||||
// Role Selection Screen
|
||||
if (userRole === 'selector') {
|
||||
return (
|
||||
<div className="min-h-screen bg-gradient-to-br from-blue-900 to-purple-900 flex items-center justify-center">
|
||||
<div className="bg-white rounded-lg shadow-xl p-8 max-w-md w-full">
|
||||
<h1 className="text-2xl font-bold text-center mb-8">OpenLearnX Coding Exam</h1>
|
||||
|
||||
<div className="space-y-4">
|
||||
<button
|
||||
onClick={() => setUserRole('host')}
|
||||
className="w-full bg-blue-600 hover:bg-blue-700 text-white py-3 px-4 rounded-lg flex items-center justify-center space-x-2"
|
||||
>
|
||||
<Users className="h-5 w-5" />
|
||||
<span>Host an Exam</span>
|
||||
</button>
|
||||
|
||||
<button
|
||||
onClick={() => setUserRole('participant')}
|
||||
className="w-full bg-green-600 hover:bg-green-700 text-white py-3 px-4 rounded-lg flex items-center justify-center space-x-2"
|
||||
>
|
||||
<Play className="h-5 w-5" />
|
||||
<span>Join an Exam</span>
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
|
||||
// Host Setup Screen
|
||||
if (userRole === 'host' && !examId) {
|
||||
return (
|
||||
<div className="min-h-screen bg-gradient-to-br from-blue-900 to-purple-900 flex items-center justify-center">
|
||||
<div className="bg-white rounded-lg shadow-xl p-8 max-w-md w-full">
|
||||
<h1 className="text-2xl font-bold text-center mb-8">Host Coding Exam</h1>
|
||||
|
||||
<div className="space-y-4">
|
||||
<input
|
||||
type="text"
|
||||
placeholder="Enter your name"
|
||||
value={participantName}
|
||||
onChange={(e) => setParticipantName(e.target.value)}
|
||||
className="w-full p-3 border border-gray-300 rounded-lg"
|
||||
/>
|
||||
|
||||
<button
|
||||
onClick={createExam}
|
||||
disabled={!participantName}
|
||||
className="w-full bg-blue-600 hover:bg-blue-700 disabled:bg-gray-400 text-white py-3 px-4 rounded-lg"
|
||||
>
|
||||
Create Exam
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
|
||||
// Join Exam Screen
|
||||
if (userRole === 'participant' && !examInfo) {
|
||||
return (
|
||||
<div className="min-h-screen bg-gradient-to-br from-green-900 to-blue-900 flex items-center justify-center">
|
||||
<div className="bg-white rounded-lg shadow-xl p-8 max-w-md w-full">
|
||||
<h1 className="text-2xl font-bold text-center mb-8">Join Coding Exam</h1>
|
||||
|
||||
<div className="space-y-4">
|
||||
<input
|
||||
type="text"
|
||||
placeholder="Enter exam code"
|
||||
value={examId}
|
||||
onChange={(e) => setExamId(e.target.value.toUpperCase())}
|
||||
className="w-full p-3 border border-gray-300 rounded-lg"
|
||||
/>
|
||||
|
||||
<input
|
||||
type="text"
|
||||
placeholder="Enter your name"
|
||||
value={participantName}
|
||||
onChange={(e) => setParticipantName(e.target.value)}
|
||||
className="w-full p-3 border border-gray-300 rounded-lg"
|
||||
/>
|
||||
|
||||
<button
|
||||
onClick={joinExam}
|
||||
disabled={!examId || !participantName}
|
||||
className="w-full bg-green-600 hover:bg-green-700 disabled:bg-gray-400 text-white py-3 px-4 rounded-lg"
|
||||
>
|
||||
Join Exam
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
|
||||
// System Requirements Check
|
||||
if (!systemChecked) {
|
||||
return (
|
||||
<div className="min-h-screen bg-gray-900 text-white flex items-center justify-center">
|
||||
<div className="bg-gray-800 rounded-lg p-8 max-w-lg w-full">
|
||||
<h1 className="text-2xl font-bold mb-6">System Requirements Check</h1>
|
||||
|
||||
<div className="space-y-4 mb-6">
|
||||
<div className="flex items-center space-x-2">
|
||||
<Shield className="h-5 w-5 text-green-400" />
|
||||
<span>Fullscreen mode support</span>
|
||||
</div>
|
||||
<div className="flex items-center space-x-2">
|
||||
<Lock className="h-5 w-5 text-yellow-400" />
|
||||
<span>Copy/paste will be disabled</span>
|
||||
</div>
|
||||
<div className="flex items-center space-x-2">
|
||||
<AlertTriangle className="h-5 w-5 text-red-400" />
|
||||
<span>Virtual environments will be detected</span>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<button
|
||||
onClick={acceptSystemRequirements}
|
||||
className="w-full bg-red-600 hover:bg-red-700 text-white py-3 px-4 rounded-lg"
|
||||
>
|
||||
Accept & Enter Secure Mode
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
|
||||
// Main Exam Interface
|
||||
return (
|
||||
<div className="min-h-screen bg-gray-900 text-white">
|
||||
{/* Security Status Bar */}
|
||||
<div className="bg-red-900 text-white p-2 flex items-center justify-between">
|
||||
<div className="flex items-center space-x-4">
|
||||
<Shield className="h-4 w-4" />
|
||||
<span className="text-sm font-medium">SECURE MODE ACTIVE</span>
|
||||
<Lock className="h-4 w-4" />
|
||||
<span className="text-sm">Copy/Paste Disabled</span>
|
||||
</div>
|
||||
|
||||
<div className="flex items-center space-x-4">
|
||||
{timeRemaining > 0 && (
|
||||
<div className="flex items-center space-x-2">
|
||||
<Clock className="h-4 w-4" />
|
||||
<span className="font-mono">{formatTime(timeRemaining)}</span>
|
||||
</div>
|
||||
)}
|
||||
<span>Exam: {examId}</span>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="flex h-screen">
|
||||
{/* Main Coding Area */}
|
||||
<div className="flex-1 p-6">
|
||||
{/* Problem Description */}
|
||||
<div className="bg-gray-800 rounded-lg p-6 mb-6">
|
||||
<h2 className="text-xl font-bold mb-4">Problem: String Capitalizer</h2>
|
||||
<p className="mb-4">Write a function that converts a string to uppercase.</p>
|
||||
<div className="bg-gray-900 p-4 rounded">
|
||||
<code>
|
||||
{`def capitalize_string(text):
|
||||
# Your code here
|
||||
pass
|
||||
|
||||
# Test: capitalize_string("hello") should return "HELLO"`}
|
||||
</code>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Code Editor */}
|
||||
<div className="bg-gray-800 rounded-lg p-4">
|
||||
<h3 className="text-lg font-bold mb-4">Code Editor</h3>
|
||||
<textarea
|
||||
value={code}
|
||||
onChange={(e) => setCode(e.target.value)}
|
||||
placeholder="def capitalize_string(text):\n # Your code here\n pass"
|
||||
className="w-full h-64 bg-gray-900 text-green-400 font-mono p-4 rounded border border-gray-600 resize-none"
|
||||
style={{ userSelect: 'none', WebkitUserSelect: 'none' }}
|
||||
/>
|
||||
|
||||
<div className="flex space-x-4 mt-4">
|
||||
<button
|
||||
onClick={submitSolution}
|
||||
className="bg-green-600 hover:bg-green-700 px-6 py-2 rounded flex items-center space-x-2"
|
||||
>
|
||||
<Play className="h-4 w-4" />
|
||||
<span>Submit Solution</span>
|
||||
</button>
|
||||
|
||||
{userRole === 'host' && examInfo?.status === 'waiting' && (
|
||||
<button
|
||||
onClick={startExam}
|
||||
className="bg-blue-600 hover:bg-blue-700 px-6 py-2 rounded"
|
||||
>
|
||||
Start Exam
|
||||
</button>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Leaderboard Sidebar */}
|
||||
<div className="w-80 bg-gray-800 p-6">
|
||||
<div className="flex items-center space-x-2 mb-4">
|
||||
<Trophy className="h-6 w-6 text-yellow-400" />
|
||||
<h3 className="text-xl font-bold">Leaderboard</h3>
|
||||
</div>
|
||||
|
||||
<div className="space-y-2">
|
||||
{leaderboard.map((participant, index) => (
|
||||
<div key={index} className={`p-3 rounded ${index === 0 ? 'bg-yellow-900' : index === 1 ? 'bg-gray-700' : index === 2 ? 'bg-orange-900' : 'bg-gray-700'}`}>
|
||||
<div className="flex justify-between items-center">
|
||||
<span className="font-medium">
|
||||
{index + 1}. {participant.name}
|
||||
</span>
|
||||
<span className="font-bold">{participant.score}%</span>
|
||||
</div>
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
|
||||
<button
|
||||
onClick={fetchLeaderboard}
|
||||
className="w-full mt-4 bg-blue-600 hover:bg-blue-700 px-4 py-2 rounded text-sm"
|
||||
>
|
||||
Refresh Leaderboard
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
|
||||
@@ -0,0 +1,416 @@
|
||||
'use client'
|
||||
import React, { useState, useEffect } from 'react'
|
||||
import { Play, Square, Download, Upload, Settings, Clock, MemoryStick, Cpu } from 'lucide-react'
|
||||
|
||||
interface ExecutionResult {
|
||||
success: boolean
|
||||
execution_id: string
|
||||
output: string
|
||||
error: string
|
||||
execution_time: number
|
||||
memory_used: number
|
||||
exit_code: number
|
||||
language: string
|
||||
timestamp: string
|
||||
}
|
||||
|
||||
interface Language {
|
||||
id: string
|
||||
name: string
|
||||
extension: string
|
||||
timeout: number
|
||||
memory_limit: string
|
||||
}
|
||||
|
||||
export default function RealCompilerInterface() {
|
||||
const [code, setCode] = useState('')
|
||||
const [input, setInput] = useState('')
|
||||
const [output, setOutput] = useState('')
|
||||
const [selectedLanguage, setSelectedLanguage] = useState('python')
|
||||
const [languages, setLanguages] = useState<Language[]>([])
|
||||
const [isExecuting, setIsExecuting] = useState(false)
|
||||
const [executionResult, setExecutionResult] = useState<ExecutionResult | null>(null)
|
||||
const [executionHistory, setExecutionHistory] = useState<ExecutionResult[]>([])
|
||||
|
||||
const languageTemplates: { [key: string]: string } = {
|
||||
python: `# Python Code
|
||||
print("Hello World!")
|
||||
name = input("Enter your name: ")
|
||||
print(f"Hello, {name}!")`,
|
||||
|
||||
java: `public class Main {
|
||||
public static void main(String[] args) {
|
||||
System.out.println("Hello World!");
|
||||
// Your code here
|
||||
}
|
||||
}`,
|
||||
|
||||
cpp: `#include <iostream>
|
||||
#include <string>
|
||||
using namespace std;
|
||||
|
||||
int main() {
|
||||
cout << "Hello World!" << endl;
|
||||
string name;
|
||||
cout << "Enter your name: ";
|
||||
getline(cin, name);
|
||||
cout << "Hello, " << name << "!" << endl;
|
||||
return 0;
|
||||
}`,
|
||||
|
||||
c: `#include <stdio.h>
|
||||
int main() {
|
||||
printf("Hello World!\\n");
|
||||
char name[100];
|
||||
printf("Enter your name: ");
|
||||
fgets(name, sizeof(name), stdin);
|
||||
printf("Hello, %s", name);
|
||||
return 0;
|
||||
}`,
|
||||
|
||||
javascript: `// JavaScript Code
|
||||
console.log("Hello World!");
|
||||
const readline = require('readline');
|
||||
const rl = readline.createInterface({
|
||||
input: process.stdin,
|
||||
output: process.stdout
|
||||
});
|
||||
|
||||
rl.question('Enter your name: ', (name) => {
|
||||
console.log(\`Hello, \${name}!\`);
|
||||
rl.close();
|
||||
});`,
|
||||
|
||||
go: `package main
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"bufio"
|
||||
"os"
|
||||
)
|
||||
|
||||
func main() {
|
||||
fmt.Println("Hello World!")
|
||||
reader := bufio.NewReader(os.Stdin)
|
||||
fmt.Print("Enter your name: ")
|
||||
name, _ := reader.ReadString('\\n')
|
||||
fmt.Printf("Hello, %s", name)
|
||||
}`,
|
||||
|
||||
rust: `use std::io;
|
||||
|
||||
fn main() {
|
||||
println!("Hello World!");
|
||||
println!("Enter your name: ");
|
||||
let mut name = String::new();
|
||||
io::stdin().read_line(&mut name).expect("Failed to read line");
|
||||
println!("Hello, {}!", name.trim());
|
||||
}`
|
||||
}
|
||||
|
||||
useEffect(() => {
|
||||
fetchSupportedLanguages()
|
||||
}, [])
|
||||
|
||||
useEffect(() => {
|
||||
if (selectedLanguage && languageTemplates[selectedLanguage] && !code) {
|
||||
setCode(languageTemplates[selectedLanguage])
|
||||
}
|
||||
}, [selectedLanguage])
|
||||
|
||||
const fetchSupportedLanguages = async () => {
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/compiler/languages')
|
||||
const data = await response.json()
|
||||
if (data.success) {
|
||||
setLanguages(data.languages)
|
||||
}
|
||||
} catch (error) {
|
||||
console.error('Failed to fetch languages:', error)
|
||||
}
|
||||
}
|
||||
|
||||
const executeCode = async () => {
|
||||
if (!code.trim()) {
|
||||
alert('Please write some code first!')
|
||||
return
|
||||
}
|
||||
|
||||
setIsExecuting(true)
|
||||
setOutput('')
|
||||
setExecutionResult(null)
|
||||
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/compiler/execute', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({
|
||||
code,
|
||||
language: selectedLanguage,
|
||||
input: input
|
||||
})
|
||||
})
|
||||
|
||||
const result = await response.json()
|
||||
|
||||
if (result.success) {
|
||||
setOutput(result.output || result.error || 'No output')
|
||||
setExecutionResult(result)
|
||||
|
||||
// Add to history
|
||||
setExecutionHistory(prev => [result, ...prev.slice(0, 9)]) // Keep last 10
|
||||
} else {
|
||||
setOutput(`Error: ${result.error}`)
|
||||
}
|
||||
} catch (error) {
|
||||
setOutput(`Execution failed: ${(error as Error).message}`)
|
||||
} finally {
|
||||
setIsExecuting(false)
|
||||
}
|
||||
}
|
||||
|
||||
const testCompiler = async () => {
|
||||
try {
|
||||
const response = await fetch('http://127.0.0.1:5000/api/compiler/test', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({ language: selectedLanguage })
|
||||
})
|
||||
|
||||
const result = await response.json()
|
||||
|
||||
if (result.success) {
|
||||
setOutput(result.output)
|
||||
alert('Compiler test successful!')
|
||||
} else {
|
||||
setOutput(`Test failed: ${result.error}`)
|
||||
}
|
||||
} catch (error) {
|
||||
setOutput(`Test failed: ${(error as Error).message}`)
|
||||
}
|
||||
}
|
||||
|
||||
const downloadCode = () => {
|
||||
const language = languages.find(l => l.id === selectedLanguage)
|
||||
const extension = language?.extension || '.txt'
|
||||
const blob = new Blob([code], { type: 'text/plain' })
|
||||
const url = URL.createObjectURL(blob)
|
||||
const a = document.createElement('a')
|
||||
a.href = url
|
||||
a.download = `code${extension}`
|
||||
document.body.appendChild(a)
|
||||
a.click()
|
||||
document.body.removeChild(a)
|
||||
URL.revokeObjectURL(url)
|
||||
}
|
||||
|
||||
const loadCodeFile = (event: React.ChangeEvent<HTMLInputElement>) => {
|
||||
const file = event.target.files?.[0]
|
||||
if (file) {
|
||||
const reader = new FileReader()
|
||||
reader.onload = (e) => {
|
||||
const content = e.target?.result as string
|
||||
setCode(content)
|
||||
}
|
||||
reader.readAsText(file)
|
||||
}
|
||||
}
|
||||
|
||||
const clearAll = () => {
|
||||
setCode('')
|
||||
setInput('')
|
||||
setOutput('')
|
||||
setExecutionResult(null)
|
||||
}
|
||||
|
||||
return (
|
||||
<div className="min-h-screen bg-gray-900 text-white">
|
||||
{/* Header */}
|
||||
<div className="bg-gray-800 border-b border-gray-700 p-4">
|
||||
<div className="max-w-7xl mx-auto">
|
||||
<div className="flex justify-between items-center">
|
||||
<div>
|
||||
<h1 className="text-2xl font-bold">OpenLearnX Real Compiler</h1>
|
||||
<p className="text-gray-400">Execute code in multiple programming languages with real output</p>
|
||||
</div>
|
||||
|
||||
<div className="flex items-center space-x-4">
|
||||
<button
|
||||
onClick={testCompiler}
|
||||
className="bg-purple-600 hover:bg-purple-700 px-4 py-2 rounded flex items-center space-x-2"
|
||||
>
|
||||
<Settings className="h-4 w-4" />
|
||||
<span>Test Compiler</span>
|
||||
</button>
|
||||
|
||||
<div className="text-sm text-gray-400">
|
||||
{languages.length} languages supported
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="max-w-7xl mx-auto p-6">
|
||||
<div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
|
||||
{/* Code Editor */}
|
||||
<div className="space-y-4">
|
||||
{/* Language Selector & Controls */}
|
||||
<div className="bg-gray-800 rounded-lg p-4">
|
||||
<div className="flex justify-between items-center mb-4">
|
||||
<h2 className="text-lg font-bold">Code Editor</h2>
|
||||
<div className="flex items-center space-x-2">
|
||||
<select
|
||||
value={selectedLanguage}
|
||||
onChange={(e) => setSelectedLanguage(e.target.value)}
|
||||
className="bg-gray-700 text-white px-3 py-1 rounded border border-gray-600"
|
||||
>
|
||||
{languages.map(lang => (
|
||||
<option key={lang.id} value={lang.id}>
|
||||
{lang.name} ({lang.extension})
|
||||
</option>
|
||||
))}
|
||||
</select>
|
||||
|
||||
<input
|
||||
type="file"
|
||||
accept=".py,.java,.cpp,.c,.js,.go,.rs,.sh"
|
||||
onChange={loadCodeFile}
|
||||
className="hidden"
|
||||
id="file-upload"
|
||||
/>
|
||||
<label
|
||||
htmlFor="file-upload"
|
||||
className="bg-gray-600 hover:bg-gray-700 px-3 py-1 rounded cursor-pointer"
|
||||
>
|
||||
<Upload className="h-4 w-4" />
|
||||
</label>
|
||||
|
||||
<button
|
||||
onClick={downloadCode}
|
||||
className="bg-gray-600 hover:bg-gray-700 px-3 py-1 rounded"
|
||||
>
|
||||
<Download className="h-4 w-4" />
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<textarea
|
||||
value={code}
|
||||
onChange={(e) => setCode(e.target.value)}
|
||||
placeholder="Write your code here..."
|
||||
className="w-full h-80 bg-gray-900 text-green-400 font-mono p-4 rounded border border-gray-600 resize-none focus:ring-2 focus:ring-blue-500"
|
||||
spellCheck={false}
|
||||
/>
|
||||
|
||||
<div className="flex items-center justify-between mt-4">
|
||||
<div className="text-sm text-gray-400">
|
||||
Language: {languages.find(l => l.id === selectedLanguage)?.name}
|
||||
{executionResult && (
|
||||
<span className="ml-4">
|
||||
Last execution: {executionResult.execution_time}s
|
||||
</span>
|
||||
)}
|
||||
</div>
|
||||
|
||||
<div className="flex space-x-2">
|
||||
<button
|
||||
onClick={clearAll}
|
||||
className="bg-gray-600 hover:bg-gray-700 px-4 py-2 rounded text-sm"
|
||||
>
|
||||
Clear All
|
||||
</button>
|
||||
|
||||
<button
|
||||
onClick={executeCode}
|
||||
disabled={isExecuting}
|
||||
className="bg-green-600 hover:bg-green-700 disabled:bg-gray-600 px-6 py-2 rounded flex items-center space-x-2"
|
||||
>
|
||||
<Play className="h-4 w-4" />
|
||||
<span>{isExecuting ? 'Executing...' : 'Run Code'}</span>
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Input Section */}
|
||||
<div className="bg-gray-800 rounded-lg p-4">
|
||||
<h3 className="text-lg font-bold mb-2">Input Data</h3>
|
||||
<textarea
|
||||
value={input}
|
||||
onChange={(e) => setInput(e.target.value)}
|
||||
placeholder="Enter input data for your program (if needed)..."
|
||||
className="w-full h-24 bg-gray-900 text-white font-mono p-3 rounded border border-gray-600 resize-none"
|
||||
/>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Output & Results */}
|
||||
<div className="space-y-4">
|
||||
{/* Output */}
|
||||
<div className="bg-gray-800 rounded-lg p-4">
|
||||
<div className="flex items-center justify-between mb-4">
|
||||
<h3 className="text-lg font-bold">Output</h3>
|
||||
{executionResult && (
|
||||
<div className="flex items-center space-x-4 text-sm text-gray-400">
|
||||
<div className="flex items-center space-x-1">
|
||||
<Clock className="h-4 w-4" />
|
||||
<span>{executionResult.execution_time}s</span>
|
||||
</div>
|
||||
<div className="flex items-center space-x-1">
|
||||
<MemoryStick className="h-4 w-4" />
|
||||
<span>{Math.round(executionResult.memory_used / 1024)}KB</span>
|
||||
</div>
|
||||
<div className={`px-2 py-1 rounded text-xs ${
|
||||
executionResult.exit_code === 0 ? 'bg-green-900 text-green-200' : 'bg-red-900 text-red-200'
|
||||
}`}>
|
||||
Exit: {executionResult.exit_code}
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
|
||||
<div className="bg-black p-4 rounded h-80 overflow-y-auto">
|
||||
<pre className="text-green-400 font-mono whitespace-pre-wrap text-sm">
|
||||
{output || 'No output yet. Run your code to see results here.'}
|
||||
</pre>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Execution History */}
|
||||
{executionHistory.length > 0 && (
|
||||
<div className="bg-gray-800 rounded-lg p-4">
|
||||
<h3 className="text-lg font-bold mb-4">Execution History</h3>
|
||||
<div className="space-y-2 max-h-40 overflow-y-auto">
|
||||
{executionHistory.map((result, index) => (
|
||||
<div
|
||||
key={result.execution_id}
|
||||
className="flex items-center justify-between p-2 bg-gray-700 rounded text-sm cursor-pointer hover:bg-gray-600"
|
||||
onClick={() => {
|
||||
setOutput(result.output || result.error)
|
||||
setExecutionResult(result)
|
||||
}}
|
||||
>
|
||||
<div>
|
||||
<span className="font-medium">{result.language}</span>
|
||||
<span className="text-gray-400 ml-2">
|
||||
{new Date(result.timestamp).toLocaleTimeString()}
|
||||
</span>
|
||||
</div>
|
||||
<div className="flex items-center space-x-2">
|
||||
<span>{result.execution_time}s</span>
|
||||
<div className={`w-2 h-2 rounded-full ${
|
||||
result.exit_code === 0 ? 'bg-green-400' : 'bg-red-400'
|
||||
}`}></div>
|
||||
</div>
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,99 @@
|
||||
'use client'
|
||||
import { useState } from 'react'
|
||||
|
||||
export default function JoinTestPage() {
|
||||
const [examCode, setExamCode] = useState('')
|
||||
const [studentName, setStudentName] = useState('')
|
||||
const [loading, setLoading] = useState(false)
|
||||
|
||||
const handleJoin = async () => {
|
||||
if (!examCode || !studentName) {
|
||||
alert('Fill both fields')
|
||||
return
|
||||
}
|
||||
|
||||
setLoading(true)
|
||||
|
||||
try {
|
||||
const payload = {
|
||||
exam_code: examCode.trim(), // CORRECT field name
|
||||
student_name: studentName.trim() // CORRECT field name
|
||||
}
|
||||
|
||||
console.log('🚀 Sending:', payload)
|
||||
|
||||
const response = await fetch('http://127.0.0.1:5000/api/exam/join-exam', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify(payload)
|
||||
})
|
||||
|
||||
const data = await response.json()
|
||||
console.log('📦 Response:', data)
|
||||
|
||||
if (data.success) {
|
||||
alert('✅ SUCCESS: ' + data.exam_info.title)
|
||||
} else {
|
||||
alert('❌ ERROR: ' + data.error)
|
||||
}
|
||||
} catch (error) {
|
||||
alert('❌ Network error')
|
||||
} finally {
|
||||
setLoading(false)
|
||||
}
|
||||
}
|
||||
|
||||
return (
|
||||
<div style={{ padding: '50px', background: '#000', color: 'white', minHeight: '100vh' }}>
|
||||
<h1>🧪 TEST JOIN PAGE - BYPASS CACHE</h1>
|
||||
|
||||
<div style={{ maxWidth: '400px', marginTop: '30px' }}>
|
||||
<input
|
||||
value={examCode}
|
||||
onChange={e => setExamCode(e.target.value)}
|
||||
placeholder="6884F82A7300F2AD9CFC974A"
|
||||
style={{
|
||||
width: '100%',
|
||||
padding: '10px',
|
||||
margin: '10px 0',
|
||||
background: '#333',
|
||||
color: 'white',
|
||||
fontFamily: 'monospace'
|
||||
}}
|
||||
/>
|
||||
|
||||
<input
|
||||
value={studentName}
|
||||
onChange={e => setStudentName(e.target.value)}
|
||||
placeholder="Your name"
|
||||
style={{
|
||||
width: '100%',
|
||||
padding: '10px',
|
||||
margin: '10px 0',
|
||||
background: '#333',
|
||||
color: 'white'
|
||||
}}
|
||||
/>
|
||||
|
||||
<button
|
||||
onClick={handleJoin}
|
||||
disabled={loading}
|
||||
style={{
|
||||
width: '100%',
|
||||
padding: '15px',
|
||||
background: loading ? '#666' : '#00ff00',
|
||||
color: 'black',
|
||||
border: 'none',
|
||||
fontWeight: 'bold'
|
||||
}}
|
||||
>
|
||||
{loading ? 'JOINING...' : 'TEST JOIN'}
|
||||
</button>
|
||||
</div>
|
||||
|
||||
<div style={{ marginTop: '20px', background: '#333', padding: '10px' }}>
|
||||
<p>Will send: exam_code="{examCode}" student_name="{studentName}"</p>
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,50 @@
|
||||
// Additional client-side security measures
|
||||
(function() {
|
||||
'use strict';
|
||||
|
||||
// Detect common coding extensions
|
||||
const suspiciousExtensions = [
|
||||
'bfnaelmomeimhlpmgjnjophhpkkoljpa', // Honey
|
||||
'cjpalhdlnbpafiamejdnhcphjbkeiagm', // uBlock Origin
|
||||
'gighmmpiobklfepjocnamgkkbiglidom', // AdBlock
|
||||
'hdokiejnpimakedhajhdlcegeplioahd', // LastPass
|
||||
'fhbjgbiflinjbdggehcddcbncdddomop', // Postman
|
||||
'hgmloofddffdnphfgcellkdfbfbjeloo' // TablePlus
|
||||
];
|
||||
|
||||
// Check for extension APIs
|
||||
if (typeof chrome !== 'undefined' && chrome.runtime) {
|
||||
suspiciousExtensions.forEach(extensionId => {
|
||||
chrome.runtime.sendMessage(extensionId, {ping: true}, (response) => {
|
||||
if (response) {
|
||||
alert('Coding extensions detected. Please disable all extensions.');
|
||||
window.location.href = '/';
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
// Monitor for suspicious DOM modifications
|
||||
const observer = new MutationObserver((mutations) => {
|
||||
mutations.forEach((mutation) => {
|
||||
if (mutation.type === 'childList') {
|
||||
mutation.addedNodes.forEach((node) => {
|
||||
if (node.nodeType === 1) { // Element node
|
||||
const classes = node.className || '';
|
||||
if (classes.includes('extension-') ||
|
||||
classes.includes('chrome-extension-') ||
|
||||
node.tagName === 'IFRAME' && node.src.includes('extension://')) {
|
||||
alert('Extension interference detected');
|
||||
window.location.href = '/';
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
observer.observe(document.body, {
|
||||
childList: true,
|
||||
subtree: true
|
||||
});
|
||||
})();
|
||||
@@ -0,0 +1,332 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||
<title>OpenLearnX - Test Join Exam</title>
|
||||
<style>
|
||||
* {
|
||||
margin: 0;
|
||||
padding: 0;
|
||||
box-sizing: border-box;
|
||||
}
|
||||
|
||||
body {
|
||||
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
|
||||
background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
|
||||
min-height: 100vh;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
color: white;
|
||||
}
|
||||
|
||||
.container {
|
||||
background: rgba(255, 255, 255, 0.1);
|
||||
backdrop-filter: blur(10px);
|
||||
border-radius: 20px;
|
||||
padding: 40px;
|
||||
max-width: 500px;
|
||||
width: 90%;
|
||||
box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
|
||||
border: 1px solid rgba(255, 255, 255, 0.2);
|
||||
}
|
||||
|
||||
.header {
|
||||
text-align: center;
|
||||
margin-bottom: 30px;
|
||||
}
|
||||
|
||||
.header h1 {
|
||||
font-size: 28px;
|
||||
margin-bottom: 10px;
|
||||
}
|
||||
|
||||
.form-group {
|
||||
margin-bottom: 20px;
|
||||
}
|
||||
|
||||
.form-group label {
|
||||
display: block;
|
||||
margin-bottom: 8px;
|
||||
font-weight: 600;
|
||||
color: rgba(255, 255, 255, 0.9);
|
||||
}
|
||||
|
||||
.form-group input {
|
||||
width: 100%;
|
||||
padding: 15px;
|
||||
border: 2px solid rgba(255, 255, 255, 0.3);
|
||||
border-radius: 10px;
|
||||
background: rgba(255, 255, 255, 0.1);
|
||||
color: white;
|
||||
font-size: 16px;
|
||||
transition: all 0.3s ease;
|
||||
}
|
||||
|
||||
.form-group input::placeholder {
|
||||
color: rgba(255, 255, 255, 0.6);
|
||||
}
|
||||
|
||||
.form-group input:focus {
|
||||
outline: none;
|
||||
border-color: #4CAF50;
|
||||
background: rgba(255, 255, 255, 0.15);
|
||||
}
|
||||
|
||||
.exam-code-input {
|
||||
font-family: 'Courier New', monospace;
|
||||
font-size: 14px;
|
||||
}
|
||||
|
||||
.join-btn {
|
||||
width: 100%;
|
||||
padding: 18px;
|
||||
background: linear-gradient(45deg, #4CAF50, #45a049);
|
||||
color: white;
|
||||
border: none;
|
||||
border-radius: 10px;
|
||||
font-size: 18px;
|
||||
font-weight: 600;
|
||||
cursor: pointer;
|
||||
transition: all 0.3s ease;
|
||||
margin-top: 10px;
|
||||
}
|
||||
|
||||
.join-btn:hover:not(:disabled) {
|
||||
background: linear-gradient(45deg, #45a049, #3d8b40);
|
||||
transform: translateY(-2px);
|
||||
}
|
||||
|
||||
.join-btn:disabled {
|
||||
background: rgba(255, 255, 255, 0.3);
|
||||
cursor: not-allowed;
|
||||
}
|
||||
|
||||
.error {
|
||||
background: linear-gradient(45deg, #f44336, #d32f2f);
|
||||
padding: 15px;
|
||||
margin: 15px 0;
|
||||
border-radius: 10px;
|
||||
display: none;
|
||||
}
|
||||
|
||||
.success {
|
||||
background: linear-gradient(45deg, #4CAF50, #45a049);
|
||||
padding: 15px;
|
||||
margin: 15px 0;
|
||||
border-radius: 10px;
|
||||
display: none;
|
||||
}
|
||||
|
||||
.debug {
|
||||
background: rgba(0, 0, 0, 0.3);
|
||||
padding: 15px;
|
||||
margin: 20px 0;
|
||||
border-radius: 10px;
|
||||
font-size: 12px;
|
||||
font-family: 'Courier New', monospace;
|
||||
word-break: break-all;
|
||||
}
|
||||
|
||||
.example-code {
|
||||
background: rgba(76, 175, 80, 0.2);
|
||||
padding: 8px 12px;
|
||||
border-radius: 5px;
|
||||
font-family: 'Courier New', monospace;
|
||||
font-weight: bold;
|
||||
color: #4CAF50;
|
||||
margin-top: 5px;
|
||||
font-size: 12px;
|
||||
word-break: break-all;
|
||||
}
|
||||
|
||||
.loading {
|
||||
display: inline-block;
|
||||
width: 20px;
|
||||
height: 20px;
|
||||
border: 2px solid rgba(255, 255, 255, 0.3);
|
||||
border-radius: 50%;
|
||||
border-top-color: white;
|
||||
animation: spin 1s linear infinite;
|
||||
margin-right: 10px;
|
||||
}
|
||||
|
||||
@keyframes spin {
|
||||
to { transform: rotate(360deg); }
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<div class="container">
|
||||
<div class="header">
|
||||
<h1>🚀 Join Coding Exam</h1>
|
||||
<p>Test page for OpenLearnX exam joining</p>
|
||||
</div>
|
||||
|
||||
<form id="joinForm">
|
||||
<div class="form-group">
|
||||
<label for="examCode">📝 Exam Code:</label>
|
||||
<input
|
||||
type="text"
|
||||
id="examCode"
|
||||
class="exam-code-input"
|
||||
placeholder="Enter exam code (6 chars or MongoDB ID)"
|
||||
autocomplete="off"
|
||||
required
|
||||
>
|
||||
<div class="example-code">Try: 6884f04c6ca73cc9032deaf9</div>
|
||||
</div>
|
||||
|
||||
<div class="form-group">
|
||||
<label for="studentName">👤 Your Name:</label>
|
||||
<input
|
||||
type="text"
|
||||
id="studentName"
|
||||
placeholder="Enter your full name"
|
||||
autocomplete="name"
|
||||
required
|
||||
>
|
||||
</div>
|
||||
|
||||
<button type="submit" id="joinBtn" class="join-btn">
|
||||
<span id="btnText">Join Exam</span>
|
||||
</button>
|
||||
</form>
|
||||
|
||||
<div id="error" class="error"></div>
|
||||
<div id="success" class="success"></div>
|
||||
|
||||
<div id="debug" class="debug">
|
||||
<h4>🔧 Debug Info:</h4>
|
||||
<p>Exam Code: "<span id="debugCode"></span>"</p>
|
||||
<p>Student Name: "<span id="debugName"></span>"</p>
|
||||
<p>Status: <span id="debugStatus">Ready to join</span></p>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<script>
|
||||
const examCodeInput = document.getElementById('examCode');
|
||||
const studentNameInput = document.getElementById('studentName');
|
||||
const joinBtn = document.getElementById('joinBtn');
|
||||
const btnText = document.getElementById('btnText');
|
||||
const errorDiv = document.getElementById('error');
|
||||
const successDiv = document.getElementById('success');
|
||||
const debugCode = document.getElementById('debugCode');
|
||||
const debugName = document.getElementById('debugName');
|
||||
const debugStatus = document.getElementById('debugStatus');
|
||||
|
||||
const API_BASE = 'http://127.0.0.1:5000';
|
||||
|
||||
function updateDebug() {
|
||||
debugCode.textContent = examCodeInput.value;
|
||||
debugName.textContent = studentNameInput.value;
|
||||
}
|
||||
|
||||
function showError(message) {
|
||||
errorDiv.textContent = '❌ ' + message;
|
||||
errorDiv.style.display = 'block';
|
||||
successDiv.style.display = 'none';
|
||||
debugStatus.textContent = 'Error: ' + message;
|
||||
}
|
||||
|
||||
function showSuccess(message) {
|
||||
successDiv.textContent = '✅ ' + message;
|
||||
successDiv.style.display = 'block';
|
||||
errorDiv.style.display = 'none';
|
||||
debugStatus.textContent = 'Success: ' + message;
|
||||
}
|
||||
|
||||
function setLoading(loading) {
|
||||
if (loading) {
|
||||
joinBtn.disabled = true;
|
||||
btnText.innerHTML = '<span class="loading"></span>Joining Exam...';
|
||||
} else {
|
||||
joinBtn.disabled = false;
|
||||
btnText.textContent = 'Join Exam';
|
||||
}
|
||||
}
|
||||
|
||||
examCodeInput.addEventListener('input', updateDebug);
|
||||
studentNameInput.addEventListener('input', updateDebug);
|
||||
|
||||
document.getElementById('joinForm').addEventListener('submit', async (e) => {
|
||||
e.preventDefault();
|
||||
|
||||
const examCode = examCodeInput.value.trim();
|
||||
const studentName = studentNameInput.value.trim();
|
||||
|
||||
console.log('🚀 Form submitted with:', { examCode, studentName });
|
||||
|
||||
if (!examCode || !studentName) {
|
||||
showError('Please fill in both fields');
|
||||
return;
|
||||
}
|
||||
|
||||
setLoading(true);
|
||||
|
||||
try {
|
||||
const payload = {
|
||||
exam_code: examCode,
|
||||
student_name: studentName
|
||||
};
|
||||
|
||||
console.log('📤 Sending payload:', payload);
|
||||
|
||||
const response = await fetch(`${API_BASE}/api/exam/join-exam`, {
|
||||
method: 'POST',
|
||||
headers: {
|
||||
'Content-Type': 'application/json',
|
||||
'Accept': 'application/json'
|
||||
},
|
||||
body: JSON.stringify(payload)
|
||||
});
|
||||
|
||||
console.log('📡 Response status:', response.status);
|
||||
|
||||
const data = await response.json();
|
||||
console.log('📦 Response data:', data);
|
||||
|
||||
if (data.success) {
|
||||
showSuccess(`Successfully joined: ${data.exam_info.title}`);
|
||||
|
||||
localStorage.setItem('exam_session', JSON.stringify({
|
||||
exam_code: examCode,
|
||||
student_name: studentName,
|
||||
exam_info: data.exam_info,
|
||||
joined_at: new Date().toISOString()
|
||||
}));
|
||||
|
||||
setTimeout(() => {
|
||||
if (confirm('✅ Successfully joined exam!\n\nRedirect to exam interface?')) {
|
||||
window.location.href = '/coding/exam';
|
||||
}
|
||||
}, 1000);
|
||||
|
||||
} else {
|
||||
showError(data.error || 'Failed to join exam');
|
||||
}
|
||||
|
||||
} catch (error) {
|
||||
console.error('❌ Network error:', error);
|
||||
showError('Network error: Cannot connect to backend');
|
||||
} finally {
|
||||
setLoading(false);
|
||||
}
|
||||
});
|
||||
|
||||
// Auto-fill for testing
|
||||
document.addEventListener('keydown', (e) => {
|
||||
if (e.ctrlKey && e.key === 't') {
|
||||
e.preventDefault();
|
||||
examCodeInput.value = '6884f04c6ca73cc9032deaf9';
|
||||
studentNameInput.value = 'Test Student';
|
||||
updateDebug();
|
||||
console.log('🧪 Test data filled');
|
||||
}
|
||||
});
|
||||
|
||||
updateDebug();
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
@@ -31,3 +31,6 @@ cryptography==41.0.7
|
||||
|
||||
# HTTP requests
|
||||
requests==2.31.0
|
||||
|
||||
#docker
|
||||
docker
|
||||
Reference in New Issue
Block a user