Add activation-related properties to Student entity:
- IsActive: boolean flag for account activation status
- ActivationCode: 6-digit code for email verification
- ActivationCodeExpiry: expiration timestamp for the code
Add repository method GetByActivationCodeAsync for code lookup.
These changes support the new student self-registration flow where
accounts require email verification before accessing the system.
- Add centralized ValidationPatterns with XSS protection and name regex
- Add query validators (GetClassmates, GetStudentById, GetStudentsPaged, GetAvailableSubjects)
- Add ClassmateInfo read model for optimized query projections
- Add test builders (Student, Subject, Professor, Enrollment) for cleaner tests
- Improve repository interfaces with XML documentation
- Refactor EnrollmentRepository for better performance
- Update EnrollmentDomainService with additional validation helpers
- Add User entity with roles (Admin, Student)
- Create JWT service for token generation/validation
- Create password service using PBKDF2
- Add login and register GraphQL mutations
- Apply [Authorize] attributes to protected mutations
- DeleteStudent requires Admin role
- UpdateStudent/Enroll/Unenroll require owner or admin
- Add admin user creation on startup
Driven Adapters (Persistence):
- AppDbContext with EF Core configurations
- Repository implementations (Student, Subject, Professor, Enrollment)
- UnitOfWork pattern for transactions
- DataLoaders for GraphQL N+1 optimization
- Database seeding with 5 professors and 10 subjects
- EF Core migrations for SQL Server
Driving Adapters (API):
- GraphQL API with HotChocolate
- Query and Mutation types
- Type definitions for all entities
- GraphQLErrorFilter for domain exceptions
Andrés Eduardo García Márquez