feat(backend): Complete Quiz System implementation
- Add Quiz entity with full domain logic (Create, Update, Activate, Deactivate)
- Add QuizQuestion entity updated to use QuizId instead of LessonId
- Add QuizRepository with all CRUD and query methods
- Add QuizQuestionRepository with QuizId-based and LessonId-based (legacy) methods
- Add QuizDto, CreateQuizDto, UpdateQuizDto, QuizWithQuestionsDto, QuizListItemDto
- Add QuizQuestionDto updated with QuizId, LessonId, QuizTitle, Points fields
- Add CreateQuizCommand, UpdateQuizCommand, DeleteQuizCommand, GetQuizWithQuestionsCommand
- Add QuizService with full quiz management (CRUD, activate, deactivate, counts, queries)
- Add QuizQuestionService updated with QuizId-based methods
- Add QuizzesController with comprehensive endpoints (GET, POST, PUT, DELETE)
- Add QuizzesController endpoints for quiz questions (by-quiz, random, active)
- Update QuizQuestionsController with new QuizId-based endpoints (backward compatible)
- Register QuizRepository and QuizService in DI container
- Update IRepository interfaces with QuizId-based methods
- Add SubmitQuizDto for quiz answer submission
Clean Architecture layers maintained:
- Domain: Quiz, QuizQuestion entities with business logic
- Application: DTOs, Commands, Services
- Infrastructure: Repositories, DbContext
- Presentation: Controllers
Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>
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