TODO.md

Implementation Checklist - Stellar Uzima Backend

This document outlines all the features and components that need to be implemented for the Stellar Uzima Backend.

🔐 Authentication Module

• JWT Strategy implementation
• Password hashing with bcrypt
• Login endpoint
• Register endpoint
• Refresh token endpoint
• Logout endpoint
• Change password endpoint
• Forgot password flow
• Email verification
• Auth guards (JWT, Role-based)
• Auth interceptors
• Tests for auth service and controller

Status: Foundation created, implementation pending

Files to create/update:

• src/modules/auth/strategies/jwt.strategy.ts
• src/modules/auth/guards/jwt.guard.ts
• src/modules/auth/dtos/login.dto.ts
• src/modules/auth/dtos/register.dto.ts
• src/modules/auth/auth.service.ts (implementation)
• test/auth.service.spec.ts

---

👤 Users Module

• User entity with all fields
• Get user profile endpoint
• Update user profile endpoint
• Delete user account endpoint
• Get user preferences
• Update user preferences
• User search functionality
• User roles and permissions
• Account activation/deactivation
• Tests for users service and controller

Status: Foundation created, implementation pending

Files to create/update:

• src/database/entities/user.entity.ts
• src/modules/users/dtos/create-user.dto.ts
• src/modules/users/dtos/update-user.dto.ts
• src/modules/users/dtos/user-profile.dto.ts
• src/modules/users/users.service.ts (implementation)
• test/users.service.spec.ts

---

🏥 Health Tasks Module

• HealthTask entity
• Get all health tasks
• Get health task by ID
• Create health task
• Update health task
• Delete health task
• Mark task as complete
• Get task statistics
• Filter tasks by category/status
• Task progress tracking
• Task reminders scheduling
• Task history/audit logs
• Tests for health tasks service and controller

Status: Foundation created, implementation pending

Files to create/update:

• src/database/entities/health-task.entity.ts
• src/modules/health-tasks/enums/task-status.enum.ts
• src/modules/health-tasks/enums/task-category.enum.ts
• src/modules/health-tasks/enums/task-priority.enum.ts
• src/modules/health-tasks/dtos/create-health-task.dto.ts
• src/modules/health-tasks/dtos/update-health-task.dto.ts
• src/modules/health-tasks/health-tasks.service.ts (implementation)
• test/health-tasks.service.spec.ts

---

💾 Database Module

• Database connection configuration
• TypeORM setup
• Initial migration (create all tables)
• Seed data script
• Database utilities and helpers
• Connection pooling setup
• Query logging (development)
• Database health check

Status: Foundation created, partial implementation

Files to create/update:

• src/database/migrations/001_initial.ts
• src/database/seeds/seed.service.ts
• src/database/database.service.ts

---

🔧 Common Module - Guards

• JWT Authentication Guard
• Role-based access control (RBAC) guard
• Permission-based guard
• API key guard
• Rate limiting guard
• Tests for guards

Status: Structure created, implementation pending

Files to create/update:

• src/common/guards/jwt.guard.ts
• src/common/guards/roles.guard.ts
• src/common/guards/permission.guard.ts
• src/common/guards/rate-limit.guard.ts

---

🎀 Common Module - Interceptors

• Response transformation interceptor
• Error handling interceptor
• Logging interceptor
• Performance monitoring interceptor
• Request timing interceptor
• Tests for interceptors

Status: Structure created, implementation pending

Files to create/update:

• src/common/interceptors/response.interceptor.ts
• src/common/interceptors/error.interceptor.ts
• src/common/interceptors/logging.interceptor.ts

---

🚨 Common Module - Filters

• Global exception filter
• HTTP exception filter
• Validation exception filter
• Database exception filter
• Tests for filters

Status: Structure created, implementation pending

Files to create/update:

• src/common/filters/http-exception.filter.ts
• src/common/filters/validation-exception.filter.ts
• src/common/filters/database-exception.filter.ts

---

📦 Common Module - Pipes

• Validation pipe (global)
• Transformation pipe
• Parse UUID pipe
• Parse enum pipe
• Custom pipes as needed
• Tests for pipes

Status: Structure created, implementation pending

Files to create/update:

• src/common/pipes/validation.pipe.ts
• src/common/pipes/transform.pipe.ts

---

🏷️ Common Module - Decorators

• @Auth() decorator
• @Roles() decorator
• @Permission() decorator
• @Public() decorator
• @RateLimit() decorator
• @ApiResponse() decorators
• Tests for decorators

Status: Structure created, implementation pending

Files to create/update:

• src/common/decorators/auth.decorator.ts
• src/common/decorators/roles.decorator.ts
• src/common/decorators/permission.decorator.ts
• src/common/decorators/public.decorator.ts

---

🛠️ Utilities & Helpers

• Date/time utilities
• String utilities
• Validation utilities
• Error handling utilities
• Pagination helpers
• Response formatting utilities
• Logger utility setup
• Tests for utilities

Status: Structure created, implementation pending

Files to create/update:

• src/common/utils/date.util.ts
• src/common/utils/string.util.ts
• src/common/utils/pagination.util.ts
• src/common/utils/logger.util.ts

---

📊 Common DTOs

• Generic response DTO
• Error response DTO
• Pagination DTO
• Filter DTO
• Sort DTO
• Tests for DTOs

Status: Structure created, implementation pending

Files to create/update:

• src/common/dtos/response.dto.ts
• src/common/dtos/pagination.dto.ts
• src/common/dtos/error.dto.ts

---

📧 Shared Services

Mail Service

• Email configuration
• Send email template
• Verification email
• Password reset email
• Notification emails
• Tests for mail service

Files to create:

• src/shared/mail/mail.service.ts
• src/shared/mail/mail.module.ts
• src/shared/mail/templates/

Notification Service

• In-app notifications
• Push notifications
• Email notifications
• SMS notifications (optional)
• Notification preferences
• Tests for notification service

Files to create:

• src/shared/notifications/notification.service.ts
• src/shared/notifications/notification.module.ts

Logger Service

• Custom logger setup
• Structured logging
• Log levels
• Integration with monitoring service
• Tests for logger

Files to create:

• src/shared/logger/logger.service.ts
• src/shared/logger/logger.module.ts

---

🔒 Security Features

• JWT token blacklist
• Rate limiting
• CORS configuration
• Helmet for HTTP headers
• Input validation & sanitization
• SQL injection prevention
• XSS prevention
• CSRF protection
• Password strength requirements
• Session management

Files to update:

• src/main.ts - Add security middleware
• src/app.module.ts - Configure security

---

📚 Documentation

• API documentation with Swagger/OpenAPI
• Setup Swagger decorators on all endpoints
• Database schema documentation
• Architecture documentation
• Development workflow guide
• Deployment guide
• Troubleshooting guide
• API changelog

Files to create/update:

• src/main.ts - Swagger setup
• DEPLOYMENT.md
• ARCHITECTURE.md
• CHANGELOG.md

---

🧪 Testing Infrastructure

• Unit test setup for all services
• Integration test setup
• E2E test setup
• Mock data factory
• Test database setup
• Coverage reporting
• Tests for all modules

Files to create/update:

• jest.config.js - Update test configuration
• test/fixtures/ - Test data
• test/factories/ - Test factories

---

🚀 DevOps & Deployment

• Docker setup (already created)
• Docker Compose (already created)
• GitHub Actions CI/CD pipeline
• Environment-specific configurations
• Database backup strategy
• Logging and monitoring setup
• Error tracking (Sentry integration)
• Performance monitoring
• Health check endpoint

Files to create/update:

• .github/workflows/ci.yml
• .github/workflows/deploy.yml
• docker-compose.prod.yml

---

📈 Performance & Optimization

• Database query optimization
• Caching strategy (Redis)
• API response compression
• Request deduplication
• Batch operations
• Pagination optimization
• Database indexing strategy
• Query analysis and monitoring

---

🎯 Additional Modules (Future)

• Health Records Module
• Appointments Module
• Medications Module
• Lab Results Module
• Documents/Files Module
• Reports & Analytics Module
• Admin Panel Module
• Settings Module
• Integration Module (for third-party services)

---

📋 Project Setup Tasks

• Project structure created
• Package.json configured
• TypeScript configuration
• ESLint configuration
• Prettier configuration
• Jest configuration
• NestJS CLI configuration
• Docker setup
• Environment variables template
• Base documentation (README, CONTRIBUTOR_GUIDE)
• GitHub repository setup
• GitHub branch protection rules
• GitHub Actions workflows
• Issue templates
• Pull request template
• Code owners file

---

🔄 CI/CD Pipeline

• Lint checks on PR
• Run tests on PR
• Code coverage reporting
• Build verification
• Security scanning
• Auto-deploy to staging
• Manual approval for production
• Database migration verification
• Health check after deployment

---

📱 Frontend Integration Preparation

• CORS configuration
• API documentation complete
• Error response standardization
• Pagination standardization
• Filter/search standardization
• Authentication flow finalized
• API versioning strategy

---

Priority Levels

🔴 Critical (Must Do First)

1. Database module & migrations
2. User authentication (auth module)
3. User management (users module)
4. Security setup (guards, pipes, filters)
5. Error handling & logging
6. Tests

🟡 High (Important)

1. Health tasks module
2. Health records module
3. API documentation (Swagger)
4. Common decorators & utilities
5. Email service
6. Performance optimization

🟢 Medium (Nice to Have)

1. Notification service
2. Admin module
3. Analytics
4. Caching strategy
5. Advanced features

---

🎯 Getting Started

1. Start with Authentication

   • Implement JWT strategy
   • Create login/register endpoints
   • Add auth guards

2. Setup Database

   • Create migrations
   • Define all entities
   • Setup seeders

3. Implement Users Module

   • User CRUD operations
   • User preferences

4. Add Common Components

   • Pipes, guards, interceptors
   • Error handling
   • Logging

5. Implement Business Modules

   • Health tasks
   • Health records
   • Other domain modules

6. Add Documentation & Testing

   • Swagger docs
   • Unit tests
   • E2E tests

7. Setup DevOps

   • CI/CD pipeline
   • Monitoring
   • Logging

---

📞 Questions?

Refer to:

• CONTRIBUTOR_GUIDE.md
• README.md
• Module-specific READMEs in src/modules/*/README.md