mirror of
https://github.com/th30d4y/OpenLearnX.git
synced 2026-05-26 19:26:33 +00:00
5t4l1n
1217 lines
46 KiB
Python
1217 lines
46 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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# ===================================================================
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# ✅ DYNAMIC SCORING SYSTEM
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# ===================================================================
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def calculate_dynamic_score(code, language, problem):
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"""Calculate score based on test cases and expected outputs"""
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import io
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from contextlib import redirect_stdout, redirect_stderr
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import time
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test_cases = problem.get('test_cases', [])
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scoring_method = problem.get('scoring_method', 'test_cases')
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total_points = problem.get('total_points', 100)
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stdout_buffer = io.StringIO()
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stderr_buffer = io.StringIO()
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start_time = time.time()
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passed_tests = 0
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total_tests = len(test_cases) if test_cases else 1
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test_results = []
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points_earned = 0
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print(f"🧮 Starting dynamic scoring - {total_tests} test cases")
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try:
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if test_cases:
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# ✅ TEST CASE BASED SCORING
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for i, test_case in enumerate(test_cases):
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test_input = test_case.get('input', '')
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expected_output = test_case.get('expected_output', '').strip()
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test_points = test_case.get('points', total_points // total_tests)
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print(f"📋 Test {i+1}: Input='{test_input}', Expected='{expected_output}'")
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try:
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# Create a modified version of the code that handles input
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if test_input:
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# Inject input into the code execution environment
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modified_code = f"""
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import io
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import sys
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sys.stdin = io.StringIO('{test_input}')
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{code}
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"""
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else:
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modified_code = code
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# Execute the code
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stdout_buffer = io.StringIO()
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stderr_buffer = io.StringIO()
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with redirect_stdout(stdout_buffer), redirect_stderr(stderr_buffer):
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exec(modified_code, {"__builtins__": __builtins__})
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actual_output = stdout_buffer.getvalue().strip()
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stderr_content = stderr_buffer.getvalue()
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print(f"🔍 Test {i+1} - Actual: '{actual_output}', Expected: '{expected_output}'")
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# Check if output matches
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if actual_output == expected_output:
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passed_tests += 1
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points_earned += test_points
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test_results.append({
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"test_number": i + 1,
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"passed": True,
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"input": test_input,
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"expected_output": expected_output,
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"actual_output": actual_output,
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"points_earned": test_points,
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"description": test_case.get('description', f'Test case {i+1}')
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})
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print(f"✅ Test {i+1} PASSED - {test_points} points")
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else:
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test_results.append({
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"test_number": i + 1,
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"passed": False,
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"input": test_input,
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"expected_output": expected_output,
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"actual_output": actual_output,
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"points_earned": 0,
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"error": f"Output mismatch. Got '{actual_output}', expected '{expected_output}'",
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"description": test_case.get('description', f'Test case {i+1}')
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})
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print(f"❌ Test {i+1} FAILED - Expected '{expected_output}', got '{actual_output}'")
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except Exception as e:
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test_results.append({
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"test_number": i + 1,
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"passed": False,
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"input": test_input,
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"expected_output": expected_output,
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"actual_output": f"Error: {str(e)}",
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"points_earned": 0,
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"error": str(e),
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"description": test_case.get('description', f'Test case {i+1}')
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})
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print(f"❌ Test {i+1} ERROR - {str(e)}")
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else:
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# ✅ FALLBACK: BASIC EXECUTION TEST
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try:
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with redirect_stdout(stdout_buffer), redirect_stderr(stderr_buffer):
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exec(code, {"__builtins__": __builtins__})
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passed_tests = 1
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points_earned = total_points
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test_results = [{
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"test_number": 1,
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"passed": True,
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"input": "",
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"expected_output": "Code should execute without errors",
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"actual_output": stdout_buffer.getvalue().strip(),
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"points_earned": total_points,
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"description": "Basic execution test"
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}]
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except Exception as e:
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test_results = [{
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"test_number": 1,
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"passed": False,
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"input": "",
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"expected_output": "Code should execute without errors",
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"actual_output": f"Error: {str(e)}",
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"points_earned": 0,
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"error": str(e),
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"description": "Basic execution test"
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}]
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except Exception as e:
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print(f"❌ Scoring error: {str(e)}")
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test_results = [{
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"test_number": 1,
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"passed": False,
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"input": "",
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"expected_output": "Code should execute without errors",
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"actual_output": f"Scoring error: {str(e)}",
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"points_earned": 0,
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"error": str(e),
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"description": "Scoring system error"
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}]
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execution_time = time.time() - start_time
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# Calculate final score percentage
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final_score = int((points_earned / total_points) * 100) if total_points > 0 else 0
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print(f"🏆 FINAL SCORE: {final_score}% ({points_earned}/{total_points} points, {passed_tests}/{total_tests} tests)")
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return {
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'score': final_score,
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'passed_tests': passed_tests,
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'total_tests': total_tests,
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'test_results': test_results,
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'execution_time': round(execution_time, 3),
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'details': {
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'points_earned': points_earned,
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'total_points': total_points,
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'scoring_method': scoring_method
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}
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}
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# ===================================================================
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# ✅ ENHANCED EXAM ENDPOINTS WITH DYNAMIC SCORING
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# ===================================================================
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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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"""Enhanced question upload with dynamic scoring"""
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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"📤 Enhanced 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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# ✅ ENHANCED QUESTION STRUCTURE WITH DYNAMIC SCORING
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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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# ✅ ENHANCED TEST CASES FOR DYNAMIC SCORING
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"test_cases": question_data.get('test_cases', [
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{
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"input": "",
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"expected_output": "Hello World",
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"description": "Basic test case",
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"is_public": True,
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"points": 25
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}
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]),
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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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# ✅ HOST'S CORRECT SOLUTION
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"correct_solution": {
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"python": question_data.get('correct_solution', {}).get('python', ''),
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"java": question_data.get('correct_solution', {}).get('java', ''),
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"javascript": question_data.get('correct_solution', {}).get('javascript', '')
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},
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"scoring_method": question_data.get('scoring_method', 'test_cases'),
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"total_points": question_data.get('total_points', 100)
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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"✅ Enhanced 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 with dynamic scoring",
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"question_id": question['id'],
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"question_title": question['title'],
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"test_cases_count": len(question['test_cases']),
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"total_points": question['total_points']
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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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|
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@app.route('/api/exam/submit-solution', methods=['POST', 'OPTIONS'])
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def submit_solution_direct():
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"""Enhanced solution submission with dynamic scoring"""
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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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language = data.get('language', 'python')
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code = data.get('code', '').strip()
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participant_name = data.get('participant_name', 'Anonymous')
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print(f"📤 ENHANCED SUBMIT: Exam {exam_code}, Language: {language}, Participant: {participant_name}")
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|
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if not exam_code or not code:
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return jsonify({"success": False, "error": "Missing exam_code or code"}), 400
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|
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# Get database
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db = get_db()
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|
|
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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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return jsonify({"success": False, "error": "Exam not found"}), 404
|
|
|
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if exam.get('status') != 'active':
|
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return jsonify({"success": False, "error": "Exam is not active"}), 400
|
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|
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# Get the problem/question
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problem = exam.get('problem', {})
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if not problem:
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return jsonify({"success": False, "error": "No problem found for this exam"}), 400
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|
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# ✅ DYNAMIC SCORING SYSTEM
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scoring_result = calculate_dynamic_score(code, language, problem)
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|
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# Store enhanced submission
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submission = {
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"exam_code": exam_code,
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"participant_name": participant_name,
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"language": language,
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"code": code,
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"score": scoring_result['score'],
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"passed_tests": scoring_result['passed_tests'],
|
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"total_tests": scoring_result['total_tests'],
|
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"test_results": scoring_result['test_results'],
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"execution_time": scoring_result['execution_time'],
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"submitted_at": datetime.now(),
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"submission_id": str(uuid.uuid4()),
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"scoring_details": scoring_result['details']
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}
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# Save to database
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db.submissions.insert_one(submission)
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|
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# Update participant status in leaderboard
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db.participants.update_one(
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{"exam_code": exam_code, "name": participant_name},
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{
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"$set": {
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"completed": True,
|
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"score": scoring_result['score'],
|
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"submitted_at": datetime.now(),
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"language": language,
|
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"passed_tests": scoring_result['passed_tests'],
|
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"total_tests": scoring_result['total_tests'],
|
|
"points_earned": scoring_result['details']['points_earned'],
|
|
"total_points": scoring_result['details']['total_points']
|
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}
|
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},
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upsert=True
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)
|
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|
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print(f"✅ Enhanced submission saved - Score: {scoring_result['score']}% ({scoring_result['passed_tests']}/{scoring_result['total_tests']} tests passed)")
|
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|
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return jsonify({
|
|
"success": True,
|
|
"message": "Solution submitted successfully with dynamic scoring!",
|
|
"score": scoring_result['score'],
|
|
"passed_tests": scoring_result['passed_tests'],
|
|
"total_tests": scoring_result['total_tests'],
|
|
"test_results": scoring_result['test_results'],
|
|
"execution_time": scoring_result['execution_time'],
|
|
"submission_id": submission["submission_id"],
|
|
"scoring_details": scoring_result['details']
|
|
})
|
|
|
|
except Exception as e:
|
|
print(f"❌ Enhanced submit error: {str(e)}")
|
|
return jsonify({"success": False, "error": str(e)}), 500
|
|
|
|
# ===================================================================
|
|
# ✅ OTHER EXISTING ENDPOINTS (keeping all your current ones)
|
|
# ===================================================================
|
|
|
|
@app.route('/api/exam/update-duration', methods=['POST', 'OPTIONS'])
|
|
def update_duration_direct():
|
|
"""Direct endpoint for duration update"""
|
|
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.get_json()
|
|
exam_code = data.get('exam_code', '').upper()
|
|
duration_minutes = data.get('duration_minutes', 0)
|
|
|
|
print(f"⏰ DIRECT: Updating duration for exam {exam_code} to {duration_minutes} minutes")
|
|
|
|
if not exam_code or duration_minutes <= 0:
|
|
return jsonify({"success": False, "error": "Invalid data"}), 400
|
|
|
|
# Get database
|
|
db = get_db()
|
|
|
|
# Find and update exam
|
|
result = db.exams.update_one(
|
|
{"exam_code": exam_code, "status": "waiting"},
|
|
{"$set": {"duration_minutes": duration_minutes}}
|
|
)
|
|
|
|
if result.modified_count > 0:
|
|
print(f"✅ Duration updated to {duration_minutes} minutes")
|
|
return jsonify({
|
|
"success": True,
|
|
"message": f"Duration updated to {duration_minutes} minutes"
|
|
})
|
|
else:
|
|
return jsonify({"success": False, "error": "Exam not found or already started"}), 404
|
|
|
|
except Exception as e:
|
|
print(f"❌ Error: {str(e)}")
|
|
return jsonify({"success": False, "error": str(e)}), 500
|
|
|
|
@app.route('/api/exam/info/<exam_code>', methods=['GET', 'OPTIONS'])
|
|
def get_exam_info_direct(exam_code):
|
|
"""Get exam information"""
|
|
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"📋 Getting exam info for: {exam_code}")
|
|
db = get_db()
|
|
exam = db.exams.find_one({"exam_code": exam_code.upper()})
|
|
|
|
if not exam:
|
|
return jsonify({"success": False, "error": "Exam not found"}), 404
|
|
|
|
# Convert ObjectId to string for JSON serialization
|
|
if '_id' in exam:
|
|
exam['_id'] = str(exam['_id'])
|
|
|
|
return jsonify({
|
|
"success": True,
|
|
"exam_info": exam
|
|
})
|
|
|
|
except Exception as e:
|
|
print(f"❌ Get exam info error: {str(e)}")
|
|
return jsonify({"success": False, "error": str(e)}), 500
|
|
|
|
@app.route('/api/exam/get-problem/<exam_code>', methods=['GET', 'OPTIONS'])
|
|
def get_exam_problem_direct(exam_code):
|
|
"""Get exam problem"""
|
|
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"📝 Getting problem for exam: {exam_code}")
|
|
db = get_db()
|
|
exam = db.exams.find_one({"exam_code": exam_code.upper()})
|
|
|
|
if not exam:
|
|
return jsonify({"success": False, "error": "Exam not found"}), 404
|
|
|
|
# Convert ObjectId to string
|
|
if '_id' in exam:
|
|
exam['_id'] = str(exam['_id'])
|
|
|
|
return jsonify({
|
|
"success": True,
|
|
"exam_info": exam,
|
|
"problem": exam.get('problem', {})
|
|
})
|
|
|
|
except Exception as e:
|
|
print(f"❌ Get problem error: {str(e)}")
|
|
return jsonify({"success": False, "error": str(e)}), 500
|
|
|
|
@app.route('/api/exam/participants/<exam_code>', methods=['GET', 'OPTIONS'])
|
|
def get_participants_direct(exam_code):
|
|
"""Get exam 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"👥 Getting participants for: {exam_code}")
|
|
db = get_db()
|
|
participants = list(db.participants.find({"exam_code": exam_code.upper()}))
|
|
|
|
# Convert ObjectId to string
|
|
for participant in participants:
|
|
if '_id' in participant:
|
|
participant['_id'] = str(participant['_id'])
|
|
|
|
return jsonify({
|
|
"success": True,
|
|
"participants": participants
|
|
})
|
|
|
|
except Exception as e:
|
|
print(f"❌ Get participants error: {str(e)}")
|
|
return jsonify({"success": False, "error": str(e)}), 500
|
|
|
|
@app.route('/api/exam/leaderboard/<exam_code>', methods=['GET', 'OPTIONS'])
|
|
def get_leaderboard_direct(exam_code):
|
|
"""Enhanced leaderboard with dynamic scoring details"""
|
|
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"🏆 Getting enhanced leaderboard for: {exam_code}")
|
|
db = get_db()
|
|
|
|
# Get exam info
|
|
exam = db.exams.find_one({"exam_code": exam_code.upper()})
|
|
if not exam:
|
|
return jsonify({"success": False, "error": "Exam not found"}), 404
|
|
|
|
# Get participants with enhanced scoring details
|
|
participants = list(db.participants.find({"exam_code": exam_code.upper()}))
|
|
|
|
# Sort by score (highest first) and add ranks
|
|
completed_participants = [p for p in participants if p.get('completed', False)]
|
|
completed_participants.sort(key=lambda x: x.get('score', 0), reverse=True)
|
|
|
|
leaderboard = []
|
|
for i, participant in enumerate(completed_participants):
|
|
participant['rank'] = i + 1
|
|
if '_id' in participant:
|
|
participant['_id'] = str(participant['_id'])
|
|
leaderboard.append(participant)
|
|
|
|
# Get waiting participants
|
|
waiting_participants = [p for p in participants if not p.get('completed', False)]
|
|
for participant in waiting_participants:
|
|
if '_id' in participant:
|
|
participant['_id'] = str(participant['_id'])
|
|
|
|
# Calculate enhanced stats
|
|
scores = [p.get('score', 0) for p in completed_participants]
|
|
passed_tests = [p.get('passed_tests', 0) for p in completed_participants]
|
|
total_tests = [p.get('total_tests', 1) for p in completed_participants]
|
|
|
|
stats = {
|
|
"total_participants": len(participants),
|
|
"completed_submissions": len(completed_participants),
|
|
"waiting_submissions": len(waiting_participants),
|
|
"average_score": sum(scores) / len(scores) if scores else 0,
|
|
"highest_score": max(scores) if scores else 0,
|
|
"average_tests_passed": sum(passed_tests) / len(passed_tests) if passed_tests else 0,
|
|
"total_test_cases": max(total_tests) if total_tests else 1,
|
|
"blockchain_participants": 0 # Add if you have blockchain functionality
|
|
}
|
|
|
|
# Convert exam ObjectId
|
|
if '_id' in exam:
|
|
exam['_id'] = str(exam['_id'])
|
|
|
|
return jsonify({
|
|
"success": True,
|
|
"leaderboard": leaderboard,
|
|
"waiting_participants": waiting_participants,
|
|
"stats": stats,
|
|
"exam_info": exam
|
|
})
|
|
|
|
except Exception as e:
|
|
print(f"❌ Enhanced leaderboard error: {str(e)}")
|
|
return jsonify({"success": False, "error": str(e)}), 500
|
|
|
|
@app.route('/api/exam/start-exam', methods=['POST', 'OPTIONS'])
|
|
def start_exam_direct():
|
|
"""Start an 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.get_json()
|
|
exam_code = data.get('exam_code', '').upper()
|
|
|
|
print(f"🚀 Starting exam: {exam_code}")
|
|
|
|
db = get_db()
|
|
|
|
# Calculate end time
|
|
exam = db.exams.find_one({"exam_code": exam_code})
|
|
if not exam:
|
|
return jsonify({"success": False, "error": "Exam not found"}), 404
|
|
|
|
if exam.get('status') != 'waiting':
|
|
return jsonify({"success": False, "error": "Exam already started or completed"}), 400
|
|
|
|
start_time = datetime.now()
|
|
duration_minutes = exam.get('duration_minutes', 30)
|
|
end_time = datetime.fromtimestamp(start_time.timestamp() + (duration_minutes * 60))
|
|
|
|
# Update exam status
|
|
result = db.exams.update_one(
|
|
{"exam_code": exam_code},
|
|
{
|
|
"$set": {
|
|
"status": "active",
|
|
"start_time": start_time,
|
|
"end_time": end_time,
|
|
"updated_at": datetime.now()
|
|
}
|
|
}
|
|
)
|
|
|
|
if result.modified_count > 0:
|
|
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()
|
|
})
|
|
else:
|
|
return jsonify({"success": False, "error": "Failed to start exam"}), 500
|
|
|
|
except Exception as e:
|
|
print(f"❌ Start exam error: {str(e)}")
|
|
return jsonify({"success": False, "error": str(e)}), 500
|
|
|
|
@app.route('/api/exam/stop-exam', methods=['POST', 'OPTIONS'])
|
|
def stop_exam_direct():
|
|
"""Stop an 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.get_json()
|
|
exam_code = data.get('exam_code', '').upper()
|
|
|
|
print(f"🛑 Stopping exam: {exam_code}")
|
|
|
|
db = get_db()
|
|
|
|
# Update exam status
|
|
result = db.exams.update_one(
|
|
{"exam_code": exam_code},
|
|
{
|
|
"$set": {
|
|
"status": "completed",
|
|
"completed_at": datetime.now(),
|
|
"updated_at": datetime.now()
|
|
}
|
|
}
|
|
)
|
|
|
|
if result.modified_count > 0:
|
|
print(f"✅ Exam {exam_code} stopped successfully")
|
|
return jsonify({
|
|
"success": True,
|
|
"message": "Exam stopped successfully"
|
|
})
|
|
else:
|
|
return jsonify({"success": False, "error": "Exam not found"}), 404
|
|
|
|
except Exception as e:
|
|
print(f"❌ Stop exam error: {str(e)}")
|
|
return jsonify({"success": False, "error": str(e)}), 500
|
|
|
|
# ===================================================================
|
|
# ✅ COMPILER ENDPOINT (Fixed timeout issue)
|
|
# ===================================================================
|
|
|
|
@app.route('/api/compiler/execute', methods=['POST', 'OPTIONS'])
|
|
def execute_code_direct():
|
|
"""Direct compiler endpoint - FIXED TIMEOUT ISSUE"""
|
|
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.get_json()
|
|
language = data.get('language', 'python').lower()
|
|
code = data.get('code', '').strip()
|
|
|
|
print(f"🔧 COMPILER: Executing {language} code: {code}")
|
|
|
|
if not code:
|
|
return jsonify({"success": False, "error": "No code provided"}), 400
|
|
|
|
if language == 'python':
|
|
try:
|
|
# ✅ SIMPLE EXEC METHOD (no subprocess, no timeout issues)
|
|
import io
|
|
import sys
|
|
from contextlib import redirect_stdout, redirect_stderr
|
|
import time
|
|
|
|
# Capture output
|
|
stdout_buffer = io.StringIO()
|
|
stderr_buffer = io.StringIO()
|
|
|
|
start_time = time.time()
|
|
|
|
try:
|
|
# Execute Python code using exec
|
|
with redirect_stdout(stdout_buffer), redirect_stderr(stderr_buffer):
|
|
exec(code, {"__builtins__": __builtins__})
|
|
|
|
execution_time = time.time() - start_time
|
|
stdout_content = stdout_buffer.getvalue()
|
|
stderr_content = stderr_buffer.getvalue()
|
|
|
|
print(f"✅ Python exec successful. Output: '{stdout_content.strip()}'")
|
|
|
|
return jsonify({
|
|
"success": True,
|
|
"output": stdout_content or "Code executed successfully (no output)",
|
|
"error": stderr_content if stderr_content else None,
|
|
"language": "python",
|
|
"execution_time": round(execution_time, 3)
|
|
})
|
|
|
|
except Exception as e:
|
|
execution_time = time.time() - start_time
|
|
print(f"❌ Python execution error: {str(e)}")
|
|
return jsonify({
|
|
"success": False,
|
|
"error": f"Runtime error: {str(e)}",
|
|
"execution_time": round(execution_time, 3)
|
|
})
|
|
|
|
except Exception as e:
|
|
print(f"❌ Python setup error: {str(e)}")
|
|
return jsonify({"success": False, "error": f"Setup failed: {str(e)}"}), 500
|
|
else:
|
|
return jsonify({
|
|
"success": False,
|
|
"error": f"Language '{language}' not supported. Only Python available."
|
|
})
|
|
|
|
except Exception as e:
|
|
print(f"❌ Compiler endpoint error: {str(e)}")
|
|
return jsonify({"success": False, "error": str(e)}), 500
|
|
|
|
# ===================================================================
|
|
# ✅ LEGACY ENDPOINTS (keeping your existing ones)
|
|
# ===================================================================
|
|
|
|
@app.route('/api/exam/questions/<exam_code>', methods=['GET', 'OPTIONS'])
|
|
def get_exam_questions_direct(exam_code):
|
|
"""Get all questions for an 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", "GET,OPTIONS")
|
|
return response
|
|
|
|
try:
|
|
db = get_db()
|
|
exam = db.exams.find_one({"exam_code": exam_code.upper()})
|
|
if not exam:
|
|
return jsonify({"success": False, "error": "Exam not found"}), 404
|
|
|
|
questions = exam.get('problem', {})
|
|
|
|
return jsonify({
|
|
"success": True,
|
|
"questions": questions,
|
|
"total_questions": 1 if questions else 0
|
|
})
|
|
|
|
except Exception as e:
|
|
return jsonify({"success": False, "error": str(e)}), 500
|
|
|
|
@app.route('/api/exam/update-question', methods=['POST', 'OPTIONS'])
|
|
def update_question_direct():
|
|
"""Update an existing question in an 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.get_json()
|
|
exam_code = data.get('exam_code', '').upper()
|
|
question_data = data.get('question', {})
|
|
|
|
if not exam_code or not question_data:
|
|
return jsonify({"success": False, "error": "Missing data"}), 400
|
|
|
|
db = get_db()
|
|
exam = db.exams.find_one({"exam_code": exam_code})
|
|
if not exam:
|
|
return jsonify({"success": False, "error": "Exam not found"}), 404
|
|
|
|
if exam['status'] != 'waiting':
|
|
return jsonify({"success": False, "error": "Cannot modify questions after exam has started"}), 400
|
|
|
|
# Update question
|
|
question_data['updated_at'] = datetime.now()
|
|
|
|
result = db.exams.update_one(
|
|
{"exam_code": exam_code},
|
|
{"$set": {"problem": question_data}}
|
|
)
|
|
|
|
if result.modified_count > 0:
|
|
return jsonify({"success": True, "message": "Question updated successfully"})
|
|
else:
|
|
return jsonify({"success": False, "error": "Failed to update question"}), 500
|
|
|
|
except Exception as e:
|
|
return jsonify({"success": False, "error": str(e)}), 500
|
|
|
|
# Request logging
|
|
@app.before_request
|
|
def log_request():
|
|
path = request.path
|
|
if path.startswith('/api/exam'):
|
|
logger.info(f"📥 Exam request: {request.method} {path}")
|
|
if request.method in ['POST', 'PUT'] and request.is_json:
|
|
print(f"📦 Request data: {request.json}")
|
|
elif path.startswith('/api/compiler'):
|
|
logger.info(f"📥 Compiler request: {request.method} {path}")
|
|
elif path.startswith('/api/admin'):
|
|
auth = request.headers.get('Authorization','')
|
|
logger.info(f"🔒 Admin request: {request.method} {path} Auth={auth[:20]}")
|
|
|
|
# Handle CORS preflight
|
|
@app.before_request
|
|
def handle_options():
|
|
if request.method == 'OPTIONS':
|
|
resp = jsonify({'status':'ok'})
|
|
resp.headers.update({
|
|
"Access-Control-Allow-Origin": "*",
|
|
"Access-Control-Allow-Headers": "Content-Type,Authorization,Accept,Origin,X-Requested-With",
|
|
"Access-Control-Allow-Methods": "GET,POST,PUT,DELETE,OPTIONS",
|
|
"Access-Control-Allow-Credentials": "true"
|
|
})
|
|
return resp
|
|
|
|
# Security headers
|
|
@app.after_request
|
|
def secure_headers(resp):
|
|
resp.headers.update({
|
|
'X-Content-Type-Options':'nosniff',
|
|
'X-Frame-Options':'DENY',
|
|
'X-XSS-Protection':'1; mode=block'
|
|
})
|
|
return resp
|
|
|
|
# Health & debug endpoints
|
|
@app.route('/')
|
|
def health_root():
|
|
return jsonify({
|
|
"status":"OpenLearnX API running",
|
|
"version":"2.1.0 - Enhanced Dynamic Scoring",
|
|
"timestamp": datetime.now().isoformat(),
|
|
"features":{
|
|
"mongodb": MONGO_SERVICE_AVAILABLE,
|
|
"web3": WEB3_SERVICE_AVAILABLE,
|
|
"wallet": WALLET_SERVICE_AVAILABLE,
|
|
"compiler": COMPILER_SERVICE_AVAILABLE,
|
|
"docker": check_docker_availability(),
|
|
"dynamic_scoring": True
|
|
},
|
|
"endpoints": {
|
|
"exam": "/api/exam",
|
|
"compiler": "/api/compiler",
|
|
"admin": "/api/admin",
|
|
"health": "/api/health"
|
|
},
|
|
"blueprints_registered": len(blueprints_registered),
|
|
"blueprints_failed": len(blueprints_failed),
|
|
"direct_exam_endpoints": [
|
|
"/api/exam/upload-question (Enhanced)",
|
|
"/api/exam/submit-solution (Dynamic Scoring)",
|
|
"/api/exam/leaderboard/<exam_code> (Enhanced)",
|
|
"/api/exam/update-duration",
|
|
"/api/exam/info/<exam_code>",
|
|
"/api/exam/get-problem/<exam_code>",
|
|
"/api/exam/participants/<exam_code>",
|
|
"/api/exam/start-exam",
|
|
"/api/exam/stop-exam",
|
|
"/api/compiler/execute"
|
|
]
|
|
})
|
|
|
|
@app.route('/api/health')
|
|
def api_health():
|
|
status = "healthy"
|
|
services = {
|
|
"mongodb": MONGO_SERVICE_AVAILABLE,
|
|
"web3": WEB3_SERVICE_AVAILABLE,
|
|
"wallet": WALLET_SERVICE_AVAILABLE,
|
|
"compiler": COMPILER_SERVICE_AVAILABLE,
|
|
"docker": check_docker_availability(),
|
|
"dynamic_scoring": True
|
|
}
|
|
|
|
# Check MongoDB connection
|
|
if MONGO_SERVICE_AVAILABLE:
|
|
try:
|
|
db = get_db()
|
|
db.command('ismaster')
|
|
services["mongodb_connection"] = "connected"
|
|
except Exception as e:
|
|
services["mongodb_connection"] = f"error: {str(e)}"
|
|
status = "degraded"
|
|
|
|
return jsonify({
|
|
"status": status,
|
|
"services": services,
|
|
"blueprints_registered": blueprints_registered,
|
|
"blueprints_failed": blueprints_failed
|
|
}), 200 if status == "healthy" else 503
|
|
|
|
@app.route('/debug/routes')
|
|
def debug_routes():
|
|
rules = []
|
|
for rule in app.url_map.iter_rules():
|
|
rules.append({
|
|
"rule": str(rule),
|
|
"methods": list(rule.methods),
|
|
"endpoint": rule.endpoint
|
|
})
|
|
|
|
return jsonify({
|
|
"total": len(rules),
|
|
"routes": sorted(rules, key=lambda x: x["rule"]),
|
|
"blueprints_registered": blueprints_registered,
|
|
"blueprints_failed": blueprints_failed,
|
|
"exam_routes": [r for r in rules if '/exam' in r['rule']]
|
|
})
|
|
|
|
@app.route('/debug/services')
|
|
def debug_services():
|
|
return jsonify({
|
|
"services": {
|
|
"mongodb": MONGO_SERVICE_AVAILABLE,
|
|
"web3": WEB3_SERVICE_AVAILABLE,
|
|
"wallet": WALLET_SERVICE_AVAILABLE,
|
|
"compiler": COMPILER_SERVICE_AVAILABLE,
|
|
"docker": check_docker_availability(),
|
|
"dynamic_scoring": True
|
|
},
|
|
"blueprints_registered": blueprints_registered,
|
|
"blueprints_failed": blueprints_failed,
|
|
"direct_endpoints_added": True,
|
|
"enhanced_features": [
|
|
"Dynamic Test Case Scoring",
|
|
"Host-defined Correct Solutions",
|
|
"Point-based Test Cases",
|
|
"Enhanced Leaderboard with Test Details"
|
|
]
|
|
})
|
|
|
|
# Error handlers
|
|
@app.errorhandler(404)
|
|
def not_found(e):
|
|
return jsonify({
|
|
"error": "Not Found",
|
|
"path": request.path,
|
|
"method": request.method,
|
|
"available_blueprints": blueprints_registered,
|
|
"direct_exam_endpoints": [
|
|
"/api/exam/upload-question (Enhanced with Dynamic Scoring)",
|
|
"/api/exam/submit-solution (Dynamic Scoring)",
|
|
"/api/exam/leaderboard/<exam_code> (Enhanced)",
|
|
"/api/exam/update-duration",
|
|
"/api/exam/info/<exam_code>",
|
|
"/api/exam/get-problem/<exam_code>",
|
|
"/api/exam/participants/<exam_code>",
|
|
"/api/exam/start-exam",
|
|
"/api/exam/stop-exam",
|
|
"/api/compiler/execute"
|
|
]
|
|
}), 404
|
|
|
|
@app.errorhandler(500)
|
|
def internal_error(e):
|
|
logger.error(f"500 Error: {e}")
|
|
return jsonify({
|
|
"error": "Internal Server Error",
|
|
"timestamp": datetime.now().isoformat()
|
|
}), 500
|
|
|
|
# Startup initialization
|
|
def initialize_application():
|
|
logger.info("🚀 Initializing OpenLearnX Backend with Dynamic Scoring")
|
|
|
|
# Show blueprint registration status
|
|
logger.info(f"📋 Blueprints registered: {len(blueprints_registered)}")
|
|
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 enhanced endpoints
|
|
logger.info("🔧 Enhanced exam endpoints with dynamic scoring:")
|
|
direct_endpoints = [
|
|
"/api/exam/upload-question (Enhanced with Test Cases)",
|
|
"/api/exam/submit-solution (Dynamic Scoring System)",
|
|
"/api/exam/leaderboard/<exam_code> (Enhanced Stats)",
|
|
"/api/exam/update-duration",
|
|
"/api/exam/info/<exam_code>",
|
|
"/api/exam/get-problem/<exam_code>",
|
|
"/api/exam/participants/<exam_code>",
|
|
"/api/exam/start-exam",
|
|
"/api/exam/stop-exam",
|
|
"/api/compiler/execute"
|
|
]
|
|
for endpoint in direct_endpoints:
|
|
logger.info(f" ✅ {endpoint}")
|
|
|
|
logger.info("🧮 Dynamic Scoring Features:")
|
|
scoring_features = [
|
|
"Test case based scoring",
|
|
"Point distribution per test case",
|
|
"Host-defined correct solutions",
|
|
"Enhanced leaderboard with test details",
|
|
"Automatic output matching"
|
|
]
|
|
for feature in scoring_features:
|
|
logger.info(f" 🎯 {feature}")
|
|
|
|
return True
|
|
|
|
if __name__ == '__main__':
|
|
initialize_application()
|
|
|
|
logger.info("🚀 Starting OpenLearnX Backend Server with Dynamic Scoring")
|
|
logger.info("📚 Enhanced Features: Dynamic Test Case Scoring, Host Solutions, Point-based Tests")
|
|
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)
|