mirror of
https://github.com/th30d4y/OpenLearnX.git
synced 2026-05-26 19:26:33 +00:00
5t4l1n
546 lines
19 KiB
Python
546 lines
19 KiB
Python
import os
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import asyncio
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import logging
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import uuid
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from datetime import datetime
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from flask import Flask, jsonify, request
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from flask_cors import CORS
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from dotenv import load_dotenv
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from pymongo import MongoClient
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# Load env vars
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load_dotenv()
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# Services
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from mongo_service import MongoService
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from web3_service import Web3Service
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# Blueprints
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from routes.auth import bp as auth_bp
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from routes.test_flow import bp as test_flow_bp
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from routes.certificate import bp as cert_bp
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from routes.dashboard import bp as dash_bp
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from routes.courses import bp as courses_bp
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from routes.quizzes import bp as quizzes_bp
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from routes.admin import bp as admin_bp
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from routes.exam import bp as exam_bp
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from routes.compiler import bp as compiler_bp
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# Optional services
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try:
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from services.wallet_service import wallet_service
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WALLET_SERVICE_AVAILABLE = True
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except ImportError:
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wallet_service = None
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WALLET_SERVICE_AVAILABLE = False
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try:
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from services.real_compiler_service import real_compiler_service
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COMPILER_SERVICE_AVAILABLE = True
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except ImportError:
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real_compiler_service = None
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COMPILER_SERVICE_AVAILABLE = False
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# Flask app
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app = Flask(__name__)
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app.config.update(
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SECRET_KEY=os.getenv('SECRET_KEY', 'openlearnx-secret'),
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MONGODB_URI=os.getenv('MONGODB_URI', 'mongodb://localhost:27017/'),
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WEB3_PROVIDER_URL=os.getenv('WEB3_PROVIDER_URL', 'http://127.0.0.1:8545'),
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CONTRACT_ADDRESS=os.getenv('CONTRACT_ADDRESS', ''),
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ADMIN_TOKEN=os.getenv('ADMIN_TOKEN', '')
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)
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# CORS - Allow all endpoints under /api/*
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CORS(app, resources={r"/api/*": {
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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", "Accept", "Origin", "X-Requested-With"],
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"supports_credentials": True,
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"expose_headers": ["Authorization"]
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}})
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# Logging
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logging.basicConfig(level=logging.INFO,
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format="%(asctime)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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logger = logging.getLogger(__name__)
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# Initialize MongoDB service
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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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logger.info("✅ MongoService initialized")
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except Exception as e:
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MONGO_SERVICE_AVAILABLE = False
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logger.error(f"❌ Failed MongoService init: {e}")
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# Initialize Web3 service
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try:
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web3_service = Web3Service(app.config['WEB3_PROVIDER_URL'], app.config['CONTRACT_ADDRESS'])
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app.config['WEB3_SERVICE'] = web3_service
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WEB3_SERVICE_AVAILABLE = True
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logger.info("✅ Web3Service initialized")
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except Exception as e:
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WEB3_SERVICE_AVAILABLE = False
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logger.error(f"❌ Failed Web3Service init: {e}")
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if WALLET_SERVICE_AVAILABLE:
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app.config['WALLET_SERVICE'] = wallet_service
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if COMPILER_SERVICE_AVAILABLE:
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app.config['REAL_COMPILER_SERVICE'] = real_compiler_service
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def check_docker_availability():
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try:
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import docker
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docker.from_env().ping()
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return True
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except:
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return False
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# Register blueprints
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blueprints_registered = []
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blueprints_failed = []
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for bp, prefix in [
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(auth_bp, '/api/auth'),
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(test_flow_bp, '/api/test'),
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(cert_bp, '/api/certificate'),
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(dash_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'),
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(compiler_bp, '/api/compiler'),
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]:
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try:
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app.register_blueprint(bp, url_prefix=prefix)
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blueprints_registered.append(prefix)
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logger.info(f"✅ Registered blueprint {prefix}")
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except Exception as e:
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blueprints_failed.append((prefix, str(e)))
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logger.error(f"❌ Blueprint {prefix} failed: {e}")
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# ✅ Direct MongoDB connection for direct routes
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def get_db():
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"""Get MongoDB database connection"""
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client = MongoClient(app.config['MONGODB_URI'])
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return client.openlearnx
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# ✅ ONLY UNIQUE DIRECT EXAM ENDPOINTS (no conflicts with blueprint)
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@app.route('/api/exam/upload-question', methods=['POST', 'OPTIONS'])
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def upload_question_direct():
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"""Direct endpoint for question upload"""
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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", "POST,OPTIONS")
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return response
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try:
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print(f"📤 Direct question upload request")
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data = request.get_json()
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exam_code = data.get('exam_code', '').upper()
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question_data = data.get('question', {})
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print(f"📝 Uploading question '{question_data.get('title')}' to exam {exam_code}")
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if not exam_code or not question_data:
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return jsonify({"success": False, "error": "Missing exam_code or question data"}), 400
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# Get database
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db = get_db()
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# Find the exam
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exam = db.exams.find_one({"exam_code": exam_code})
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if not exam:
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print(f"❌ Exam {exam_code} not found")
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return jsonify({"success": False, "error": "Exam not found"}), 404
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# Check if exam can be modified
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if exam.get('status') != 'waiting':
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return jsonify({"success": False, "error": "Cannot modify questions after exam has started"}), 400
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# Create question document
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question = {
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"id": str(uuid.uuid4()),
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"title": question_data.get('title', 'Custom Question'),
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"description": question_data.get('description', 'Custom programming question'),
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"difficulty": question_data.get('difficulty', 'medium'),
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"function_name": question_data.get('function_name', 'solve'),
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"starter_code": question_data.get('starter_code', {
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'python': 'def solve():\n # Write your solution here\n pass'
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}),
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"test_cases": question_data.get('test_cases', []),
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"examples": question_data.get('examples', []),
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"constraints": question_data.get('constraints', []),
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"time_limit": question_data.get('time_limit', 1000),
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"memory_limit": question_data.get('memory_limit', '128MB'),
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"created_at": datetime.now(),
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"uploaded_by": exam.get('host_name', 'Host'),
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"languages": list(question_data.get('starter_code', {}).keys())
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}
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# Update exam
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result = db.exams.update_one(
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{"exam_code": exam_code},
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{
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"$set": {
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"problem": question,
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"problem_title": question['title'],
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"updated_at": datetime.now()
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}
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}
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)
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if result.modified_count > 0:
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print(f"✅ Question '{question['title']}' uploaded to exam {exam_code}")
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return jsonify({
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"success": True,
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"message": "Question uploaded successfully",
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"question_id": question['id'],
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"question_title": question['title']
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})
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else:
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print(f"❌ Failed to update exam {exam_code}")
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return jsonify({"success": False, "error": "Failed to update exam"}), 500
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except Exception as e:
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print(f"❌ Error: {str(e)}")
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import traceback
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traceback.print_exc()
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return jsonify({"success": False, "error": str(e)}), 500
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@app.route('/api/exam/questions/<exam_code>', methods=['GET', 'OPTIONS'])
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def get_exam_questions_direct(exam_code):
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"""Get all questions for an exam"""
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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,OPTIONS")
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return response
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try:
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db = get_db()
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exam = db.exams.find_one({"exam_code": exam_code.upper()})
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if not exam:
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return jsonify({"success": False, "error": "Exam not found"}), 404
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questions = exam.get('problem', {})
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return jsonify({
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"success": True,
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"questions": questions,
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"total_questions": 1 if questions else 0
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})
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except Exception as e:
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return jsonify({"success": False, "error": str(e)}), 500
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@app.route('/api/exam/update-question', methods=['POST', 'OPTIONS'])
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def update_question_direct():
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"""Update an existing question in an exam"""
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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", "POST,OPTIONS")
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return response
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try:
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data = request.get_json()
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exam_code = data.get('exam_code', '').upper()
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question_data = data.get('question', {})
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if not exam_code or not question_data:
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return jsonify({"success": False, "error": "Missing data"}), 400
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db = get_db()
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exam = db.exams.find_one({"exam_code": exam_code})
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if not exam:
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return jsonify({"success": False, "error": "Exam not found"}), 404
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if exam['status'] != 'waiting':
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return jsonify({"success": False, "error": "Cannot modify questions after exam has started"}), 400
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# Update question
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question_data['updated_at'] = datetime.now()
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result = db.exams.update_one(
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{"exam_code": exam_code},
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{"$set": {"problem": question_data}}
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)
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if result.modified_count > 0:
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return jsonify({"success": True, "message": "Question updated successfully"})
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else:
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return jsonify({"success": False, "error": "Failed to update question"}), 500
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except Exception as e:
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return jsonify({"success": False, "error": str(e)}), 500
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# Request logging
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@app.before_request
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def log_request():
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path = request.path
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if path.startswith('/api/exam'):
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logger.info(f"📥 Exam request: {request.method} {path}")
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if request.method in ['POST', 'PUT'] and request.is_json:
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print(f"📦 Request data: {request.json}")
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elif path.startswith('/api/compiler'):
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logger.info(f"📥 Compiler request: {request.method} {path}")
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elif path.startswith('/api/admin'):
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auth = request.headers.get('Authorization','')
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logger.info(f"🔒 Admin request: {request.method} {path} Auth={auth[:20]}")
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# Handle CORS preflight
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@app.before_request
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def handle_options():
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if request.method == 'OPTIONS':
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resp = jsonify({'status':'ok'})
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resp.headers.update({
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"Access-Control-Allow-Origin": "*",
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"Access-Control-Allow-Headers": "Content-Type,Authorization,Accept,Origin,X-Requested-With",
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"Access-Control-Allow-Methods": "GET,POST,PUT,DELETE,OPTIONS",
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"Access-Control-Allow-Credentials": "true"
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})
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return resp
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# Security headers
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@app.after_request
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def secure_headers(resp):
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resp.headers.update({
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'X-Content-Type-Options':'nosniff',
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'X-Frame-Options':'DENY',
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'X-XSS-Protection':'1; mode=block'
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})
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return resp
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# Health & debug endpoints
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@app.route('/')
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def health_root():
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return jsonify({
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"status":"OpenLearnX API running",
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"version":"2.0.1",
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"timestamp": datetime.now().isoformat(),
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"features":{
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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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"endpoints": {
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"exam": "/api/exam",
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"compiler": "/api/compiler",
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"admin": "/api/admin",
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"health": "/api/health"
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},
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"blueprints_registered": len(blueprints_registered),
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"blueprints_failed": len(blueprints_failed),
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"direct_exam_endpoints": [
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"/api/exam/upload-question",
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"/api/exam/questions/<exam_code>",
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"/api/exam/update-question"
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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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status = "healthy"
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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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# Check MongoDB connection
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if MONGO_SERVICE_AVAILABLE:
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try:
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db = get_db()
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db.command('ismaster')
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services["mongodb_connection"] = "connected"
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except Exception as e:
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services["mongodb_connection"] = f"error: {str(e)}"
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status = "degraded"
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return jsonify({
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"status": status,
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"services": services,
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"blueprints_registered": blueprints_registered,
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"blueprints_failed": blueprints_failed
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}), 200 if status == "healthy" else 503
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@app.route('/debug/routes')
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def debug_routes():
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rules = []
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for rule in app.url_map.iter_rules():
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rules.append({
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"rule": str(rule),
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"methods": list(rule.methods),
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"endpoint": rule.endpoint
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})
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return jsonify({
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"total": len(rules),
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"routes": sorted(rules, key=lambda x: x["rule"]),
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"blueprints_registered": blueprints_registered,
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"blueprints_failed": blueprints_failed,
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"exam_routes": [r for r in rules if '/exam' in r['rule']]
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})
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@app.route('/debug/services')
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def debug_services():
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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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"blueprints_registered": blueprints_registered,
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"blueprints_failed": blueprints_failed,
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"direct_endpoints_added": True
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})
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# Error handlers
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@app.errorhandler(404)
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def not_found(e):
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return jsonify({
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"error": "Not Found",
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"path": request.path,
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"method": request.method,
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"available_blueprints": blueprints_registered,
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"direct_exam_endpoints": [
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"/api/exam/upload-question",
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"/api/exam/questions/<exam_code>",
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"/api/exam/update-question"
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]
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}), 404
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@app.errorhandler(500)
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def internal_error(e):
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logger.error(f"500 Error: {e}")
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return jsonify({
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"error": "Internal Server Error",
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"timestamp": datetime.now().isoformat()
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}), 500
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@app.route('/api/exam/update-duration', methods=['POST', 'OPTIONS'])
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def update_duration_direct():
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"""Direct endpoint for duration update"""
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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", "POST,OPTIONS")
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return response
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try:
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data = request.get_json()
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exam_code = data.get('exam_code', '').upper()
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duration_minutes = data.get('duration_minutes', 0)
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print(f"⏰ DIRECT: Updating duration for exam {exam_code} to {duration_minutes} minutes")
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if not exam_code or duration_minutes <= 0:
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return jsonify({"success": False, "error": "Invalid data"}), 400
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# Get database
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db = get_db()
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# Find and update exam
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result = db.exams.update_one(
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{"exam_code": exam_code, "status": "waiting"},
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{"$set": {"duration_minutes": duration_minutes}}
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)
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if result.modified_count > 0:
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print(f"✅ Duration updated to {duration_minutes} minutes")
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return jsonify({
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"success": True,
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"message": f"Duration updated to {duration_minutes} minutes"
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})
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else:
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return jsonify({"success": False, "error": "Exam not found or already started"}), 404
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except Exception as e:
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print(f"❌ Error: {str(e)}")
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return jsonify({"success": False, "error": str(e)}), 500
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# Startup initialization
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def initialize_application():
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logger.info("🚀 Initializing OpenLearnX Backend")
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# Show blueprint registration status
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logger.info(f"📋 Blueprints registered: {len(blueprints_registered)}")
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|
for bp in blueprints_registered:
|
|
logger.info(f" ✅ {bp}")
|
|
|
|
if blueprints_failed:
|
|
logger.warning(f"❌ Blueprints failed: {len(blueprints_failed)}")
|
|
for bp, error in blueprints_failed:
|
|
logger.warning(f" ❌ {bp}: {error}")
|
|
|
|
# Test DB
|
|
if MONGO_SERVICE_AVAILABLE:
|
|
try:
|
|
asyncio.get_event_loop().run_until_complete(mongo_service.init_db())
|
|
logger.info("✅ MongoDB initialized")
|
|
|
|
# Test direct connection
|
|
db = get_db()
|
|
db.command('ismaster')
|
|
logger.info("✅ Direct MongoDB connection verified")
|
|
except Exception as e:
|
|
logger.error(f"❌ MongoDB init failed: {e}")
|
|
|
|
# Test Web3
|
|
if WEB3_SERVICE_AVAILABLE:
|
|
if web3_service.w3.is_connected():
|
|
logger.info("✅ Web3 connected")
|
|
else:
|
|
logger.warning("⚠️ Web3 not connected")
|
|
|
|
# Test Docker
|
|
if COMPILER_SERVICE_AVAILABLE and not check_docker_availability():
|
|
logger.warning("⚠️ Docker unavailable")
|
|
|
|
# Log direct endpoints
|
|
logger.info("🔧 Direct exam endpoints added:")
|
|
direct_endpoints = [
|
|
"/api/exam/upload-question",
|
|
"/api/exam/questions/<exam_code>",
|
|
"/api/exam/update-question"
|
|
]
|
|
for endpoint in direct_endpoints:
|
|
logger.info(f" ✅ {endpoint}")
|
|
|
|
return True
|
|
|
|
if __name__ == '__main__':
|
|
initialize_application()
|
|
|
|
logger.info("🚀 Starting OpenLearnX Backend Server")
|
|
logger.info("📚 Features: Coding Exams, Question Upload, Host Panel, Compiler")
|
|
logger.info("🌐 Server starting on http://0.0.0.0:5000")
|
|
logger.info("🔧 All /api/* endpoints have CORS enabled")
|
|
|
|
app.run(host='0.0.0.0', port=5000, debug=True, threaded=True, use_reloader=False)
|