0b5aa51985
- Add Jinja2 templates and static files for web UI - Create frontend routes for invoice management - Implement home page with recent invoices list - Add invoice creation form with dynamic items - Create invoice search functionality - Implement invoice details view with status update - Add JavaScript for form validation and dynamic UI - Update main.py to serve static files - Update documentation
130 lines
4.8 KiB
Markdown
130 lines
4.8 KiB
Markdown
# Invoice Generation Service
|
|
|
|
This is a FastAPI application for generating and managing invoices. It allows you to create, read, update, and delete invoices without requiring user signup.
|
|
|
|
## Features
|
|
|
|
- Generate invoices with automatic invoice number generation
|
|
- Store invoice details in SQLite database
|
|
- Retrieve invoice information by ID or invoice number
|
|
- Update invoice details and status
|
|
- Delete invoices
|
|
- Web-based user interface for invoice management
|
|
- Health check endpoint
|
|
|
|
## Technical Stack
|
|
|
|
- **Framework**: FastAPI
|
|
- **Database**: SQLite with SQLAlchemy ORM
|
|
- **Migrations**: Alembic
|
|
- **Validation**: Pydantic
|
|
- **Frontend**: Jinja2 Templates, HTML, CSS, JavaScript
|
|
- **Linting**: Ruff
|
|
|
|
## Project Structure
|
|
|
|
```
|
|
.
|
|
├── alembic.ini # Alembic configuration file
|
|
├── app # Application package
|
|
│ ├── api # API routes
|
|
│ │ └── routes # API route modules
|
|
│ │ ├── __init__.py # Routes initialization
|
|
│ │ ├── invoices.py # Invoice API routes
|
|
│ │ └── frontend.py # Frontend routes
|
|
│ ├── core # Core functionality
|
|
│ │ ├── config.py # Application settings
|
|
│ │ ├── database.py # Database connection setup
|
|
│ │ └── utils.py # Utility functions
|
|
│ ├── models # SQLAlchemy models
|
|
│ │ ├── __init__.py # Models initialization
|
|
│ │ └── invoice.py # Invoice and InvoiceItem models
|
|
│ ├── schemas # Pydantic schemas
|
|
│ │ ├── __init__.py # Schemas initialization
|
|
│ │ └── invoice.py # Invoice-related schemas
|
|
│ ├── static # Static files
|
|
│ │ ├── css # CSS styles
|
|
│ │ │ └── styles.css # Main stylesheet
|
|
│ │ └── js # JavaScript files
|
|
│ │ └── main.js # Main JavaScript file
|
|
│ └── templates # Jinja2 templates
|
|
│ ├── base.html # Base template with layout
|
|
│ ├── home.html # Home page
|
|
│ ├── create_invoice.html # Invoice creation form
|
|
│ ├── search_invoice.html # Search for invoices
|
|
│ └── invoice_details.html # Invoice details page
|
|
├── main.py # Application entry point
|
|
├── migrations # Alembic migrations
|
|
│ ├── env.py # Alembic environment
|
|
│ ├── script.py.mako # Migration script template
|
|
│ └── versions # Migration scripts
|
|
│ └── ef0aaab3a275_initial_database_tables.py # Initial migration
|
|
├── requirements.txt # Project dependencies
|
|
└── pyproject.toml # Ruff configuration
|
|
```
|
|
|
|
## API Endpoints
|
|
|
|
### Health Check
|
|
|
|
- `GET /health`: Check if the service is running
|
|
|
|
### Invoice Management API
|
|
|
|
- `POST /api/v1/invoices`: Create a new invoice
|
|
- `GET /api/v1/invoices`: List all invoices (with pagination)
|
|
- `GET /api/v1/invoices/{invoice_id}`: Get a specific invoice by ID
|
|
- `POST /api/v1/invoices/find`: Find an invoice by invoice number
|
|
- `PATCH /api/v1/invoices/{invoice_id}`: Update an invoice
|
|
- `PATCH /api/v1/invoices/{invoice_id}/status`: Update invoice status
|
|
- `DELETE /api/v1/invoices/{invoice_id}`: Delete an invoice
|
|
|
|
### Frontend Routes
|
|
|
|
- `GET /`: Home page with list of recent invoices
|
|
- `GET /create`: Form to create a new invoice
|
|
- `POST /create`: Process invoice creation form
|
|
- `GET /search`: Form to search for invoices by number
|
|
- `POST /search`: Process invoice search
|
|
- `GET /invoice/{invoice_id}`: View invoice details
|
|
- `POST /invoice/{invoice_id}/status`: Update invoice status
|
|
|
|
## Setup and Installation
|
|
|
|
1. Clone the repository
|
|
2. Install dependencies:
|
|
```
|
|
pip install -r requirements.txt
|
|
```
|
|
3. Run migrations:
|
|
```
|
|
alembic upgrade head
|
|
```
|
|
4. Start the application:
|
|
```
|
|
uvicorn main:app --reload
|
|
```
|
|
|
|
## API Documentation
|
|
|
|
Once the application is running, you can access:
|
|
- Interactive API documentation at `/docs` (Swagger UI)
|
|
- Alternative API documentation at `/redoc` (ReDoc)
|
|
|
|
## Web Interface
|
|
|
|
The application comes with a full web interface that allows users to:
|
|
- View a list of recent invoices on the home page
|
|
- Create new invoices using a dynamic form
|
|
- Search for existing invoices by invoice number
|
|
- View detailed invoice information
|
|
- Update invoice status (PENDING, PAID, CANCELLED)
|
|
- Print invoices
|
|
|
|
## Invoice Number Format
|
|
|
|
Invoices are automatically assigned a unique invoice number with the format:
|
|
- `INV-YYYYMM-XXXXXX`, where:
|
|
- `INV` is a fixed prefix
|
|
- `YYYYMM` is the year and month (e.g., 202307 for July 2023)
|
|
- `XXXXXX` is a random alphanumeric string |