- Removed class-level [Authorize] from StoryController
- Admin endpoints already have [Authorize(Roles = "Admin")]
- GET endpoints are now publicly accessible for development/testing
- Updated frontend API client to handle unauthenticated requests
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- Cannot combine AllowAnyOrigin() with AllowCredentials() per CORS spec
- Created separate 'Development' and 'Docker' policies with explicit origins
- Use 'Development' policy in dev, 'Docker' policy in production
- Docker policy allows http://localhost:3000 with credentials
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- Moved UseCors() before UseAuthorization() in middleware pipeline
- Added AllowCredentials() to AllowAll CORS policy
- Added Development CORS policy with specific localhost origins (5173, 5174, 5175, 3000)
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- Created AppDbContextFactory for EF Core design-time DbContext creation
- Added DOTNET_RUNNING_IN_EF environment variable checks to skip validation during migrations
- Modified MistralConnector, TtsService, VoskService to skip validation in EF design-time
- Updated Program.cs ValidateAiConfigurations to skip during migrations
- Applied migration 20260613125706_AddStorySegmentAndStoryProgressTables to database
- Updated feature documentation for Phase 5 completion
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- Enhanced StoryGenerationService with CEFR-level-specific prompt templates
- Added GetStoryRequirements() method with level-specific requirements for A1-C1
- Added GetSegmentRequirements() method with level-specific requirements
- Story prompts now include detailed CEFR-level constraints:
- A1: Simple present tense, basic SVO structure, max 500 words
- A2: Present/past/future, subordinate clauses, max 1000 words
- B1: All tenses, modal verbs, complex sentences, max 2000 words
- B2: Nuanced tenses, all cases, Konjunktiv I/II, Passiv, max 3000 words
- C1: All tenses/moods, sophisticated vocabulary, literary devices
- Updated docs/features/story-integration.md for Phase 4 completion
- All 324 tests still pass
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- StoryServiceTests.cs: 536 lines, comprehensive tests for StoryService
- StoryGenerationServiceTests.cs: 469 lines, tests for AI story generation
- StoryUnlockServiceTests.cs: 292 lines, tests for story unlock logic
- StoryRepositoryTests.cs: 120 lines, tests for EF Core repository
- StoryProgressRepositoryTests.cs: 74 lines, tests for progress repository
- AppDbContext.cs: Made DbSet properties virtual for Moq compatibility
- Fixed return types in StoryRepository and StoryProgressRepository
- Updated docs/features/story-integration.md for Phase 3 completion
- All 324 unit tests pass
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Implement story integration backend services:
- Create StoryService (Application/Services/StoryService.cs) with full CRUD operations
- Create StoryGenerationService (Application/Services/StoryGenerationService.cs) for AI-powered story generation
- Uses IMistralService for text generation
- Uses ITtsService for audio generation
- Splits stories into segments per lesson
- Create StoryUnlockService (Application/Services/StoryUnlockService.cs) for progress management
- Handles lesson completion → story segment unlocking
- Create StoryController (Presentation/Controllers/StoryController.cs) with 12 endpoints:
- GET /api/story/levels - list levels with stories
- GET /api/story/levels/{levelId}/segments - get segments for level
- GET /api/story/segments/{id} - get specific segment
- POST /api/story/segments - create segment (Admin)
- PUT /api/story/segments/{id} - update segment (Admin)
- DELETE /api/story/segments/{id} - delete segment (Admin)
- POST /api/story/levels/{levelId}/generate - generate story with AI (Admin)
- POST /api/story/segments/{segmentId}/audio - generate audio (Admin)
- GET /api/story/levels/{levelId}/progress - get user progress
- POST /api/story/segments/{segmentId}/complete - mark as completed
- GET /api/story/levels/{levelId}/next - get next segment
- GET /api/story/segments/{segmentId}/unlocked - check if unlocked
- GET /api/story/segments/{segmentId}/audio - get audio URL
- GET /api/story/levels/{levelId}/lessons-with-stories - get lessons with story status
- Register all services in Program.cs DI container
- Update feature document to reflect Phase 2 completion
Next: Phase 3 - AI Integration (unit tests for services)
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Phase 3 Tasks Completed:
- Added model directory validation to VoskService constructor
- Added configuration validation to TtsService constructor
- Added comprehensive setup instructions to VoskConfig and CoquiConfig
- Added AI Model Setup Guide to docs/features/ai-services.md with:
- Vosk model download and setup instructions
- Coqui TTS model download and setup instructions
- Mistral API configuration guide
- Verification commands
- Troubleshooting table
- Updated appsettings.json and appsettings.Development.json with comments
All configuration is now validated on service startup with helpful error messages
that guide users to download and configure the required models.
Build: Success
Tests: 296 passing (148 unit + 148 integration)
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- Integrated Quiz completion with ProgressService: when a quiz is passed (>=80%), the associated lesson is automatically marked as completed
- Created LessonUnlockService for centralized lesson unlocking business logic
- Created LevelCompletionCalculator for calculating level completion metrics
- Registered new services in Program.cs DI container
- Updated QuizQuestionService to include ProgressService dependency
- Updated documentation (ROADMAP.md, lesson-management.md) to reflect completion
- Fixed QuizQuestionServiceTests to work with updated dependencies
All tests pass (296 total: 148 unit + 148 integration).
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- Add QuizQuestion and QuizOption domain entities with QuestionType enum
- Add IQuizQuestionRepository and IQuizOptionRepository interfaces
- Add QuizQuestionRepository and QuizOptionRepository EF Core implementations
- Add QuizQuestionService with CRUD, quiz submission, and statistics
- Add QuizQuestionsController with comprehensive REST API endpoints
- Add QuizQuestionDto and related DTOs for API communication
- Add EF Core migration (20260612050652_AddQuizQuestionTables) for QuizQuestion and QuizOption
- Add seed data with sample quiz questions for Greetings, Numbers, Grammar lessons
- Update AppDbContext with DbSets and entity configurations
- Update Program.cs with migration retry logic for Docker
- Update docker-compose.yml with SeedDatabase configuration
- Add unit tests for QuizQuestionService
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- Add appsettings.json and appsettings.*.json to .gitignore
- Remove all appsettings.json files from git tracking
- Prevents accidental commit of API keys and configuration secrets
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- Add Domain/Interfaces/IMistralConnector.cs with AiServiceException and AiErrorCode enum
- Add Infrastructure/Configuration/MistralConfig.cs with validation
- Add Infrastructure/Services/MistralConnector.cs with HTTP client implementation
- Add Infrastructure/Services/MistralRateLimiter.cs for rate limiting
- Add Infrastructure/Services/MistralCircuitBreaker.cs for circuit breaker pattern
- Add Application/Models/MistralRequest.cs with request models
- Add Application/Models/MistralResponse.cs with response models
- Update Program.cs to register IMistralConnector with MemoryCache, HttpClient, and config
- Update GermanApp.csproj with existing dependencies
- Update docs/features/ai-services.md with Phase 0 completion
Phase 0 of AI Services feature is complete. Mistral API Connector is ready for use by MistralService.
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- Created LevelsController.cs with full CRUD operations
- GET /api/levels - all levels
- GET /api/levels/{id} - level by ID
- GET /api/levels/by-code/{code} - level by code
- GET /api/levels/first - first level
- GET /api/levels/next/{id} - next level
- POST /api/levels - create level (Admin)
- PUT /api/levels/{id} - update level (Admin)
- DELETE /api/levels/{id} - delete level (Admin)
- Created LessonsController.cs with full CRUD and filtering
- GET /api/lessons - all lessons
- GET /api/lessons/ordered - ordered lessons
- GET /api/lessons/{id} - lesson by ID
- GET /api/lessons/by-level/{levelId} - lessons by level
- GET /api/lessons/beginner - beginner lessons
- GET /api/lessons/advanced - advanced lessons
- GET /api/lessons/first/{levelId} - first lesson in level
- GET /api/lessons/next/{id} - next lesson
- GET /api/lessons/accessible/{userId} - accessible lessons
- GET /api/lessons/unlocked/{userId}/{lessonId} - check unlock
- POST /api/lessons - create lesson (Admin)
- PUT /api/lessons/{id} - update lesson (Admin)
- DELETE /api/lessons/{id} - delete lesson (Admin)
- Added authorization: [Authorize] for most endpoints, [AllowAnonymous] for read-only
- Added Admin role requirement for write operations
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- Created LevelDto.cs with LevelDto, CreateLevelDto, UpdateLevelDto
- Created UserProgressDto.cs with UserProgressDto, UpdateUserProgressDto, LevelCompletionDto
- Created LevelService.cs with CRUD operations for CEFR levels
- Created LessonService.cs with CRUD operations and filtering by level
- Created ProgressService.cs with user progress tracking, completion percentage, and lesson unlocking logic
- Registered all new services in Program.cs
- Fixed UserProgressDto ToEntity/UpdateFromDto to use domain entity methods
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- Created migration 20260607192743_AddLessonManagementTables
- Renames old 'Level' column to 'Order' in Lessons table
- Adds LevelId, Topic, IsActive columns to Lessons
- Creates Levels table with Id, Name, Code, Order
- Creates UserProgress table with UserId, LessonId, IsCompleted, QuizScore, LastAttemptDate
- Adds foreign key from Lessons to Levels
- Adds foreign keys from UserProgress to Users and Lessons
- Adds unique indexes for Level.Code, Level.Order, Lesson.LevelId_Order, UserProgress.UserId_LessonId
- Temporarily commented out seeding during migration creation to avoid EF Core tooling issues
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- Updated Lesson entity to use LevelId (int) instead of Level (int)
- Added navigation property Level (Level entity)
- Added Order, Topic, and IsActive properties to Lesson
- Updated Lesson.Create() factory method signature to accept levelId, title, order, topic, description
- Split Update method into individual property update methods
- Updated LessonDto to use LevelId, LevelName, LevelCode instead of Level int
- Added CreateLessonDto and UpdateLessonDto with all required fields
- Added UpdateFromDto extension method for Lesson
- Updated CreateLessonCommand to validate LevelId instead of Level
- Updated SeedDataExtension to seed Level entities first, then use new Lesson.Create() signature
- Made SeedDatabaseAsync async and updated Program.cs to await it
- Updated LessonsEndpoints to use GetByLevelAsync for beginner/advanced queries
- Fixed missing using directive for Domain.Entities
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- Fix MSTest compatibility with .NET 9.0 by upgrading to MSTest.TestFramework 4.2.3
- Move Tests directory to solution level (Tests/) to prevent test files from being compiled with GermanApp
- Update test project references to point to GermanApp/GermanApp.csproj
- Add InternalsVisibleTo attributes for test assemblies
- Make RefreshToken properties internal for testability
- Fix User.ChangeEmail null handling
- Add 46 comprehensive unit tests for User and RefreshToken domain entities
- All tests passing successfully
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- Add RequireAuthorization() to POST, PUT, DELETE endpoints
- Add Microsoft.AspNetCore.Authorization using
- Lessons now require JWT token for create, update, delete
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- Remove HEALTHCHECK from backend Dockerfile
- Remove health checks from docker-compose.yml
- Change frontend depends_on to service_started
- Health checks can be added back once image tools are known
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- CMD-SHELL not supported in HEALTHCHECK
- Use CMD bash -c with /dev/tcp for port check
- No external dependencies needed
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- Alpine-based aspnet image doesn't include curl
- Health check requires curl to test /health endpoint
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- Create Dockerfile for backend (.NET 9.0 multi-stage build)
- Create Dockerfile for frontend (Node + Nginx multi-stage build)
- Create nginx.conf for frontend with API proxy
- Create docker-compose.yml with db, backend, frontend services
- Add .dockerignore files for backend, frontend, and root
- Configure health checks for all services
- Configure PostgreSQL volume for persistent data
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- Add Microsoft.Extensions.Diagnostics.HealthChecks.EntityFrameworkCore package
- Add Serilog.AspNetCore and Serilog.Sinks.Console packages
- Configure Serilog with bootstrap logger and configuration
- Add Health Checks endpoint at /health with DbContext check
- Configure CORS with AllowAll policy for development
- Create ApiResponse, ApiErrorResponse, and PaginatedResponse models
- Create ExceptionMiddleware for global error handling
- Restructure Program.cs with try-catch-finally for proper logging
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- Create User entity with gamification fields (Level, Streak, Points)
- Add User DbSet to AppDbContext with proper configuration
- Create initial database migration with Users and Lessons tables
- Add SeedData extension for initial admin user and sample lessons
- Update Program.cs to use seed data method
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