Mahmoud M. Abdalla
da2723f771
New Features: - Comprehensive course content management system - Multi-type content support (Documents, Images, Videos, Articles, Quizzes, Certificates) - File upload system with 100MB limit and type validation - Quiz system with multiple question types - Complete enrollment and subscriber management - Status tracking (pending, active, completed, cancelled) - Payment management (pending, paid, failed, refunded) - Progress tracking (0-100%) with automatic updates - Course capacity limits and validation - Certificate issuance tracking - Enrollment analytics and statistics Technical Improvements: - Enhanced file upload system with type validation - New database models: CourseContent, QuizQuestion - Comprehensive API endpoints for content and enrollment management - Role-based access control for all new features - Enhanced error handling and validation - File management with automatic cleanup This version provides a complete foundation for creating rich educational content and managing student enrollments.
49 lines
No EOL
1.9 KiB
JavaScript
49 lines
No EOL
1.9 KiB
JavaScript
const User = require('./User');
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const Course = require('./Course');
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const Enrollment = require('./Enrollment');
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const Attendance = require('./Attendance');
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const Assignment = require('./Assignment');
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const CourseContent = require('./CourseContent');
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const QuizQuestion = require('./QuizQuestion');
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// User associations
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User.hasMany(Course, { as: 'createdCourses', foreignKey: 'trainerId' });
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User.hasMany(Enrollment, { as: 'enrollments', foreignKey: 'userId' });
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User.hasMany(Attendance, { as: 'attendance', foreignKey: 'userId' });
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User.hasMany(Assignment, { as: 'createdAssignments', foreignKey: 'trainerId' });
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// Course associations
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Course.belongsTo(User, { as: 'trainer', foreignKey: 'trainerId' });
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Course.hasMany(Enrollment, { as: 'enrollments', foreignKey: 'courseId' });
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Course.hasMany(Attendance, { as: 'attendance', foreignKey: 'courseId' });
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Course.hasMany(Assignment, { as: 'assignments', foreignKey: 'courseId' });
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// Enrollment associations
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Enrollment.belongsTo(User, { as: 'user', foreignKey: 'userId' });
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Enrollment.belongsTo(Course, { as: 'course', foreignKey: 'courseId' });
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// Attendance associations
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Attendance.belongsTo(User, { as: 'user', foreignKey: 'userId' });
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Attendance.belongsTo(Course, { as: 'course', foreignKey: 'courseId' });
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// Assignment associations
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Assignment.belongsTo(User, { as: 'trainer', foreignKey: 'trainerId' });
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Assignment.belongsTo(Course, { as: 'course', foreignKey: 'courseId' });
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// Course Content associations
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Course.hasMany(CourseContent, { as: 'contents', foreignKey: 'courseId' });
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CourseContent.belongsTo(Course, { as: 'course', foreignKey: 'courseId' });
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// Quiz Question associations
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CourseContent.hasMany(QuizQuestion, { as: 'questions', foreignKey: 'contentId' });
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QuizQuestion.belongsTo(CourseContent, { as: 'content', foreignKey: 'contentId' });
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module.exports = {
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User,
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Course,
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Enrollment,
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Attendance,
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Assignment,
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CourseContent,
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QuizQuestion
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};
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