| # Backend Structure Plan | |
| ## Directory Structure | |
| ``` | |
| backend/ | |
| ├── app.py # Flask application entry point | |
| ├── config.py # Configuration settings | |
| ├── requirements.txt # Python dependencies | |
| ├── .env # Environment variables | |
| ├── models/ # Database models | |
| │ ├── __init__.py | |
| │ ├── user.py # User model | |
| │ ├── social_account.py # Social media account model | |
| │ ├── source.py # RSS source model | |
| │ ├── post.py # Post content model | |
| │ └── schedule.py # Scheduling model | |
| ├── api/ # API endpoints | |
| │ ├── __init__.py | |
| │ ├── auth.py # Authentication endpoints | |
| │ ├── sources.py # Source management endpoints | |
| │ ├── accounts.py # Social account endpoints | |
| │ ├── posts.py # Post management endpoints | |
| │ └── schedules.py # Scheduling endpoints | |
| ├── services/ # Business logic | |
| │ ├── __init__.py | |
| │ ├── auth_service.py # Authentication service | |
| │ ├── linkedin_service.py# LinkedIn integration service | |
| │ ├── content_service.py # Content generation service | |
| │ └── schedule_service.py# Scheduling service | |
| ├── utils/ # Utility functions | |
| │ ├── __init__.py | |
| │ ├── database.py # Database connection | |
| │ └── helpers.py # Helper functions | |
| └── scheduler/ # Task scheduling | |
| ├── __init__.py | |
| └── task_scheduler.py # Scheduling implementation | |
| ``` | |
| ## Key Components | |
| ### app.py | |
| - Flask application initialization | |
| - Configuration loading | |
| - Blueprint registration | |
| - CORS setup | |
| - Error handlers | |
| ### config.py | |
| - Environment-based configuration | |
| - Database settings | |
| - API keys and secrets | |
| - Scheduler settings | |
| ### models/ | |
| - SQLAlchemy models for all database entities | |
| - Relationship definitions | |
| - Validation logic | |
| ### api/ | |
| - RESTful endpoints for all features | |
| - Request validation | |
| - Response formatting | |
| - Authentication middleware | |
| ### services/ | |
| - Business logic implementation | |
| - External API integrations | |
| - Data processing and transformation | |
| ### utils/ | |
| - Database connection management | |
| - Helper functions for common operations | |
| - Error handling utilities | |
| ### scheduler/ | |
| - APScheduler implementation | |
| - Task scheduling and execution | |
| - Conflict resolution |