From fa9451f3d4f32a2aa2fe264c45a9c258fb522009 Mon Sep 17 00:00:00 2001 From: Automated Action Date: Fri, 16 May 2025 04:57:26 +0000 Subject: [PATCH] Create simple ecommerce store API with FastAPI and SQLite --- README.md | 113 ++++++++++++++++- alembic.ini | 85 +++++++++++++ app/__init__.py | 1 + app/api/__init__.py | 1 + app/api/deps.py | 0 app/api/v1/__init__.py | 1 + app/api/v1/api.py | 11 ++ app/api/v1/endpoints/__init__.py | 1 + app/api/v1/endpoints/auth.py | 66 ++++++++++ app/api/v1/endpoints/cart.py | 132 ++++++++++++++++++++ app/api/v1/endpoints/health.py | 25 ++++ app/api/v1/endpoints/orders.py | 124 ++++++++++++++++++ app/api/v1/endpoints/products.py | 91 ++++++++++++++ app/api/v1/endpoints/users.py | 76 +++++++++++ app/core/config.py | 27 ++++ app/core/security.py | 28 +++++ app/db/__init__.py | 1 + app/db/deps.py | 62 +++++++++ app/db/session.py | 20 +++ app/main.py | 32 +++++ app/models/__init__.py | 4 + app/models/cart.py | 21 ++++ app/models/order.py | 44 +++++++ app/models/product.py | 18 +++ app/models/user.py | 18 +++ app/schemas/__init__.py | 5 + app/schemas/cart.py | 38 ++++++ app/schemas/order.py | 53 ++++++++ app/schemas/product.py | 44 +++++++ app/schemas/token.py | 11 ++ app/schemas/user.py | 47 +++++++ app/services/__init__.py | 4 + app/services/base.py | 65 ++++++++++ app/services/cart_service.py | 53 ++++++++ app/services/order_service.py | 52 ++++++++ app/services/product_service.py | 36 ++++++ app/services/user_service.py | 59 +++++++++ main.py | 10 ++ migrations/env.py | 81 ++++++++++++ migrations/script.py.mako | 24 ++++ migrations/versions/01_initial_migration.py | 122 ++++++++++++++++++ pyproject.toml | 13 ++ requirements.txt | 13 ++ 43 files changed, 1730 insertions(+), 2 deletions(-) create mode 100644 alembic.ini create mode 100644 app/__init__.py create mode 100644 app/api/__init__.py create mode 100644 app/api/deps.py create mode 100644 app/api/v1/__init__.py create mode 100644 app/api/v1/api.py create mode 100644 app/api/v1/endpoints/__init__.py create mode 100644 app/api/v1/endpoints/auth.py create mode 100644 app/api/v1/endpoints/cart.py create mode 100644 app/api/v1/endpoints/health.py create mode 100644 app/api/v1/endpoints/orders.py create mode 100644 app/api/v1/endpoints/products.py create mode 100644 app/api/v1/endpoints/users.py create mode 100644 app/core/config.py create mode 100644 app/core/security.py create mode 100644 app/db/__init__.py create mode 100644 app/db/deps.py create mode 100644 app/db/session.py create mode 100644 app/main.py create mode 100644 app/models/__init__.py create mode 100644 app/models/cart.py create mode 100644 app/models/order.py create mode 100644 app/models/product.py create mode 100644 app/models/user.py create mode 100644 app/schemas/__init__.py create mode 100644 app/schemas/cart.py create mode 100644 app/schemas/order.py create mode 100644 app/schemas/product.py create mode 100644 app/schemas/token.py create mode 100644 app/schemas/user.py create mode 100644 app/services/__init__.py create mode 100644 app/services/base.py create mode 100644 app/services/cart_service.py create mode 100644 app/services/order_service.py create mode 100644 app/services/product_service.py create mode 100644 app/services/user_service.py create mode 100644 main.py create mode 100644 migrations/env.py create mode 100644 migrations/script.py.mako create mode 100644 migrations/versions/01_initial_migration.py create mode 100644 pyproject.toml create mode 100644 requirements.txt diff --git a/README.md b/README.md index e8acfba..07c9ab7 100644 --- a/README.md +++ b/README.md @@ -1,3 +1,112 @@ -# FastAPI Application +# SimpleEcommerceStore API -This is a FastAPI application bootstrapped by BackendIM, the AI-powered backend generation platform. +A simple ecommerce store API built with FastAPI and SQLite. + +## Features + +- User authentication and registration +- Product management (CRUD operations) +- Shopping cart functionality +- Order processing +- Admin operations for product and order management + +## Tech Stack + +- **Framework**: FastAPI +- **Database**: SQLite with SQLAlchemy ORM +- **Authentication**: JWT tokens +- **Migrations**: Alembic +- **Validation**: Pydantic +- **Linting**: Ruff + +## Project Structure + +``` +├── app/ # Application package +│ ├── api/ # API endpoints +│ │ ├── v1/ # API version 1 +│ │ │ ├── endpoints/ # API endpoint modules +│ │ │ └── api.py # API router +│ ├── core/ # Core modules +│ │ ├── config.py # Configuration settings +│ │ └── security.py # Security utilities +│ ├── db/ # Database +│ │ ├── deps.py # Dependency functions +│ │ └── session.py # Database session +│ ├── models/ # SQLAlchemy models +│ ├── schemas/ # Pydantic schemas +│ ├── services/ # Business logic +│ └── main.py # FastAPI app +├── migrations/ # Alembic migrations +├── alembic.ini # Alembic configuration +├── main.py # Application entry point +├── pyproject.toml # Project configuration +└── requirements.txt # Dependencies +``` + +## API Endpoints + +### Health Check +- `GET /health`: Application health status + +### Authentication +- `POST /api/v1/auth/login`: Login and get access token +- `POST /api/v1/auth/register`: Register a new user + +### Users +- `GET /api/v1/users/me`: Get current user information +- `PATCH /api/v1/users/me`: Update current user +- `GET /api/v1/users/{user_id}`: Get user by ID (admin only) +- `GET /api/v1/users/`: List all users (admin only) + +### Products +- `GET /api/v1/products/`: List all products +- `GET /api/v1/products/{id}`: Get product by ID +- `POST /api/v1/products/`: Create a new product (admin only) +- `PUT /api/v1/products/{id}`: Update a product (admin only) +- `DELETE /api/v1/products/{id}`: Delete a product (admin only) + +### Cart +- `GET /api/v1/cart/`: Get user's cart summary +- `POST /api/v1/cart/items`: Add item to cart +- `PUT /api/v1/cart/items/{item_id}`: Update cart item quantity +- `DELETE /api/v1/cart/items/{item_id}`: Remove item from cart +- `DELETE /api/v1/cart/`: Clear cart + +### Orders +- `GET /api/v1/orders/`: List user's orders +- `POST /api/v1/orders/`: Create order from cart +- `GET /api/v1/orders/{id}`: Get order by ID +- `PUT /api/v1/orders/{id}/status`: Update order status (admin only) + +## Setup and Running + +1. Install dependencies: +```bash +pip install -r requirements.txt +``` + +2. Run migrations: +```bash +alembic upgrade head +``` + +3. Run the development server: +```bash +python main.py +``` + +The API will be available at `http://localhost:8000`. +API documentation is available at: +- Swagger UI: `http://localhost:8000/docs` +- ReDoc: `http://localhost:8000/redoc` + +## Database + +The application uses SQLite as its database, stored at `/app/storage/db/db.sqlite`. SQLAlchemy is used as the ORM layer to interact with the database. + +## Authentication + +The API uses JWT tokens for authentication. To access protected endpoints: +1. Login with valid credentials at `/api/v1/auth/login` +2. Use the returned access token in the Authorization header: `Bearer {token}` \ No newline at end of file diff --git a/alembic.ini b/alembic.ini new file mode 100644 index 0000000..634a012 --- /dev/null +++ b/alembic.ini @@ -0,0 +1,85 @@ +# A generic, single database configuration. + +[alembic] +# path to migration scripts +script_location = migrations + +# template used to generate migration files +# file_template = %%(rev)s_%%(slug)s + +# timezone to use when rendering the date +# within the migration file as well as the filename. +# string value is passed to dateutil.tz.gettz() +# leave blank for localtime +# timezone = + +# max length of characters to apply to the +# "slug" field +# truncate_slug_length = 40 + +# set to 'true' to run the environment during +# the 'revision' command, regardless of autogenerate +# revision_environment = false + +# set to 'true' to allow .pyc and .pyo files without +# a source .py file to be detected as revisions in the +# versions/ directory +# sourceless = false + +# version location specification; this defaults +# to migrations/versions. When using multiple version +# directories, initial revisions must be specified with --version-path +# version_locations = %(here)s/bar %(here)s/bat migrations/versions + +# the output encoding used when revision files +# are written from script.py.mako +# output_encoding = utf-8 + +# SQLite URL example +sqlalchemy.url = sqlite:////app/storage/db/db.sqlite + +[post_write_hooks] +# post_write_hooks defines scripts or Python functions that are run +# on newly generated revision scripts. See the documentation for further +# detail and examples + +# format using "black" - use the console_scripts runner, against the "black" entrypoint +# hooks=black +# black.type=console_scripts +# black.entrypoint=black +# black.options=-l 79 + +# Logging configuration +[loggers] +keys = root,sqlalchemy,alembic + +[handlers] +keys = console + +[formatters] +keys = generic + +[logger_root] +level = WARN +handlers = console +qualname = + +[logger_sqlalchemy] +level = WARN +handlers = +qualname = sqlalchemy.engine + +[logger_alembic] +level = INFO +handlers = +qualname = alembic + +[handler_console] +class = StreamHandler +args = (sys.stderr,) +level = NOTSET +formatter = generic + +[formatter_generic] +format = %(levelname)-5.5s [%(name)s] %(message)s +datefmt = %H:%M:%S \ No newline at end of file diff --git a/app/__init__.py b/app/__init__.py new file mode 100644 index 0000000..1e07a34 --- /dev/null +++ b/app/__init__.py @@ -0,0 +1 @@ +# This file is intentionally left empty to make the directory a Python package. diff --git a/app/api/__init__.py b/app/api/__init__.py new file mode 100644 index 0000000..1e07a34 --- /dev/null +++ b/app/api/__init__.py @@ -0,0 +1 @@ +# This file is intentionally left empty to make the directory a Python package. diff --git a/app/api/deps.py b/app/api/deps.py new file mode 100644 index 0000000..e69de29 diff --git a/app/api/v1/__init__.py b/app/api/v1/__init__.py new file mode 100644 index 0000000..1e07a34 --- /dev/null +++ b/app/api/v1/__init__.py @@ -0,0 +1 @@ +# This file is intentionally left empty to make the directory a Python package. diff --git a/app/api/v1/api.py b/app/api/v1/api.py new file mode 100644 index 0000000..e1bc57a --- /dev/null +++ b/app/api/v1/api.py @@ -0,0 +1,11 @@ +from fastapi import APIRouter + +from app.api.v1.endpoints import auth, cart, health, orders, products, users + +api_router = APIRouter() +api_router.include_router(health.router, prefix="/health", tags=["health"]) +api_router.include_router(auth.router, prefix="/auth", tags=["auth"]) +api_router.include_router(users.router, prefix="/users", tags=["users"]) +api_router.include_router(products.router, prefix="/products", tags=["products"]) +api_router.include_router(cart.router, prefix="/cart", tags=["cart"]) +api_router.include_router(orders.router, prefix="/orders", tags=["orders"]) diff --git a/app/api/v1/endpoints/__init__.py b/app/api/v1/endpoints/__init__.py new file mode 100644 index 0000000..1e07a34 --- /dev/null +++ b/app/api/v1/endpoints/__init__.py @@ -0,0 +1 @@ +# This file is intentionally left empty to make the directory a Python package. diff --git a/app/api/v1/endpoints/auth.py b/app/api/v1/endpoints/auth.py new file mode 100644 index 0000000..c20bdea --- /dev/null +++ b/app/api/v1/endpoints/auth.py @@ -0,0 +1,66 @@ +from datetime import timedelta +from typing import Any + +from fastapi import APIRouter, Depends, HTTPException, status +from fastapi.security import OAuth2PasswordRequestForm +from sqlalchemy.orm import Session + +from app import schemas +from app.api.deps import get_db +from app.core import security +from app.core.config import settings +from app.services import user_service + +router = APIRouter() + +@router.post("/login", response_model=schemas.Token) +def login_access_token( + db: Session = Depends(get_db), form_data: OAuth2PasswordRequestForm = Depends() +) -> Any: + """ + OAuth2 compatible token login, get an access token for future requests + """ + user = user_service.authenticate( + db, email=form_data.username, password=form_data.password + ) + if not user: + raise HTTPException( + status_code=status.HTTP_401_UNAUTHORIZED, + detail="Incorrect email or password", + ) + elif not user.is_active: + raise HTTPException( + status_code=status.HTTP_401_UNAUTHORIZED, + detail="Inactive user", + ) + access_token_expires = timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES) + return { + "access_token": security.create_access_token( + user.id, expires_delta=access_token_expires + ), + "token_type": "bearer", + } + +@router.post("/register", response_model=schemas.User) +def register_user( + *, + db: Session = Depends(get_db), + user_in: schemas.UserCreate, +) -> Any: + """ + Create new user + """ + user = user_service.get_by_email(db, email=user_in.email) + if user: + raise HTTPException( + status_code=400, + detail="The user with this email already exists in the system", + ) + username_exists = user_service.get_by_username(db, username=user_in.username) + if username_exists: + raise HTTPException( + status_code=400, + detail="The username is already taken", + ) + user = user_service.create(db, obj_in=user_in) + return user diff --git a/app/api/v1/endpoints/cart.py b/app/api/v1/endpoints/cart.py new file mode 100644 index 0000000..ae0e0dd --- /dev/null +++ b/app/api/v1/endpoints/cart.py @@ -0,0 +1,132 @@ +from typing import Any, List + +from fastapi import APIRouter, Depends, HTTPException, status +from sqlalchemy.orm import Session + +from app import schemas +from app.api.deps import get_current_active_user, get_db +from app.models.user import User +from app.services import cart_service, product_service + +router = APIRouter() + +@router.get("/", response_model=schemas.CartSummary) +def read_cart( + db: Session = Depends(get_db), + current_user: User = Depends(get_current_active_user), +) -> Any: + """ + Retrieve user's cart. + """ + cart_items = cart_service.get_cart_items(db, user_id=current_user.id) + total = sum(item.unit_price * item.quantity for item in cart_items) + return {"items": cart_items, "total": total} + +@router.post("/items", response_model=schemas.CartItem) +def add_cart_item( + *, + db: Session = Depends(get_db), + item_in: schemas.CartItemCreate, + current_user: User = Depends(get_current_active_user), +) -> Any: + """ + Add item to cart. + """ + # Check if product exists and is in stock + product = product_service.get(db, id=item_in.product_id) + if not product: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Product not found", + ) + if not product.is_active: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail="Product is not available", + ) + if product.stock < item_in.quantity: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail=f"Not enough stock. Available: {product.stock}", + ) + + # Check if item already in cart + existing_item = cart_service.get_cart_item( + db, user_id=current_user.id, product_id=item_in.product_id + ) + + if existing_item: + # Update quantity if already in cart + return cart_service.update_item_quantity( + db, + db_obj=existing_item, + quantity=existing_item.quantity + item_in.quantity + ) + + # Add new item to cart + return cart_service.add_item_to_cart( + db, + obj_in=item_in, + user_id=current_user.id, + unit_price=product.price + ) + +@router.put("/items/{item_id}", response_model=schemas.CartItem) +def update_cart_item( + *, + db: Session = Depends(get_db), + item_id: int, + item_in: schemas.CartItemUpdate, + current_user: User = Depends(get_current_active_user), +) -> Any: + """ + Update cart item quantity. + """ + cart_item = cart_service.get(db, id=item_id) + if not cart_item or cart_item.user_id != current_user.id: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Cart item not found", + ) + + # Check if product has enough stock + product = product_service.get(db, id=cart_item.product_id) + if product.stock < item_in.quantity: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail=f"Not enough stock. Available: {product.stock}", + ) + + cart_item = cart_service.update_item_quantity( + db, db_obj=cart_item, quantity=item_in.quantity + ) + return cart_item + +@router.delete("/items/{item_id}", response_model=schemas.CartItem) +def remove_cart_item( + *, + db: Session = Depends(get_db), + item_id: int, + current_user: User = Depends(get_current_active_user), +) -> Any: + """ + Remove item from cart. + """ + cart_item = cart_service.get(db, id=item_id) + if not cart_item or cart_item.user_id != current_user.id: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Cart item not found", + ) + cart_item = cart_service.remove(db, id=item_id) + return cart_item + +@router.delete("/", response_model=List[schemas.CartItem]) +def clear_cart( + db: Session = Depends(get_db), + current_user: User = Depends(get_current_active_user), +) -> Any: + """ + Clear user's cart. + """ + return cart_service.clear_cart(db, user_id=current_user.id) diff --git a/app/api/v1/endpoints/health.py b/app/api/v1/endpoints/health.py new file mode 100644 index 0000000..d1670f8 --- /dev/null +++ b/app/api/v1/endpoints/health.py @@ -0,0 +1,25 @@ +from typing import Dict + +from fastapi import APIRouter, Depends +from sqlalchemy.orm import Session + +from app.api.deps import get_db + +router = APIRouter() + +@router.get("/", response_model=Dict[str, str]) +def health_check(db: Session = Depends(get_db)) -> Dict[str, str]: + """ + Check service health. + """ + # Try to execute a simple query to verify database connection + try: + db.execute("SELECT 1") + db_status = "healthy" + except Exception: + db_status = "unhealthy" + + return { + "status": "healthy", + "database": db_status + } diff --git a/app/api/v1/endpoints/orders.py b/app/api/v1/endpoints/orders.py new file mode 100644 index 0000000..7d1ef94 --- /dev/null +++ b/app/api/v1/endpoints/orders.py @@ -0,0 +1,124 @@ +from typing import Any, List + +from fastapi import APIRouter, Depends, HTTPException, status +from sqlalchemy.orm import Session + +from app import schemas +from app.api.deps import get_current_active_superuser, get_current_active_user, get_db +from app.models.user import User +from app.services import cart_service, order_service, product_service + +router = APIRouter() + +@router.get("/", response_model=List[schemas.Order]) +def read_orders( + db: Session = Depends(get_db), + skip: int = 0, + limit: int = 100, + current_user: User = Depends(get_current_active_user), +) -> Any: + """ + Retrieve user's orders. + """ + if current_user.is_superuser: + orders = order_service.get_multi(db, skip=skip, limit=limit) + else: + orders = order_service.get_user_orders( + db, user_id=current_user.id, skip=skip, limit=limit + ) + return orders + +@router.post("/", response_model=schemas.Order) +def create_order( + *, + db: Session = Depends(get_db), + order_in: schemas.OrderCreate, + current_user: User = Depends(get_current_active_user), +) -> Any: + """ + Create new order from user's cart. + """ + # Get user's cart + cart_items = cart_service.get_cart_items(db, user_id=current_user.id) + if not cart_items: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail="Cart is empty", + ) + + # Check if all products have enough stock + for item in cart_items: + product = product_service.get(db, id=item.product_id) + if not product or not product.is_active: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail=f"Product {item.product_id} is not available", + ) + if product.stock < item.quantity: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail=f"Not enough stock for product {product.name}. Available: {product.stock}", + ) + + # Create order + order = order_service.create_from_cart( + db, + user_id=current_user.id, + cart_items=cart_items, + shipping_address=order_in.shipping_address + ) + + # Update product stock + for item in order.items: + product = product_service.get(db, id=item.product_id) + product_service.update_stock( + db, db_obj=product, new_stock=product.stock - item.quantity + ) + + # Clear user's cart + cart_service.clear_cart(db, user_id=current_user.id) + + return order + +@router.get("/{id}", response_model=schemas.Order) +def read_order( + *, + db: Session = Depends(get_db), + id: int, + current_user: User = Depends(get_current_active_user), +) -> Any: + """ + Get order by ID. + """ + order = order_service.get(db, id=id) + if not order: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Order not found", + ) + if order.user_id != current_user.id and not current_user.is_superuser: + raise HTTPException( + status_code=status.HTTP_403_FORBIDDEN, + detail="Not enough permissions", + ) + return order + +@router.put("/{id}/status", response_model=schemas.Order) +def update_order_status( + *, + db: Session = Depends(get_db), + id: int, + order_in: schemas.OrderUpdate, + current_user: User = Depends(get_current_active_superuser), +) -> Any: + """ + Update order status (admin only). + """ + order = order_service.get(db, id=id) + if not order: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Order not found", + ) + order = order_service.update(db, db_obj=order, obj_in=order_in) + return order diff --git a/app/api/v1/endpoints/products.py b/app/api/v1/endpoints/products.py new file mode 100644 index 0000000..7cb1e66 --- /dev/null +++ b/app/api/v1/endpoints/products.py @@ -0,0 +1,91 @@ +from typing import Any, List + +from fastapi import APIRouter, Depends, HTTPException, status +from sqlalchemy.orm import Session + +from app import schemas +from app.api.deps import get_current_active_superuser, get_db +from app.services import product_service + +router = APIRouter() + +@router.get("/", response_model=List[schemas.Product]) +def read_products( + db: Session = Depends(get_db), + skip: int = 0, + limit: int = 100, +) -> Any: + """ + Retrieve products. + """ + products = product_service.get_multi(db, skip=skip, limit=limit) + return products + +@router.post("/", response_model=schemas.Product) +def create_product( + *, + db: Session = Depends(get_db), + product_in: schemas.ProductCreate, + current_user: schemas.User = Depends(get_current_active_superuser), +) -> Any: + """ + Create new product. + """ + product = product_service.create(db, obj_in=product_in) + return product + +@router.get("/{id}", response_model=schemas.Product) +def read_product( + *, + db: Session = Depends(get_db), + id: int, +) -> Any: + """ + Get product by ID. + """ + product = product_service.get(db, id=id) + if not product: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Product not found", + ) + return product + +@router.put("/{id}", response_model=schemas.Product) +def update_product( + *, + db: Session = Depends(get_db), + id: int, + product_in: schemas.ProductUpdate, + current_user: schemas.User = Depends(get_current_active_superuser), +) -> Any: + """ + Update a product. + """ + product = product_service.get(db, id=id) + if not product: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Product not found", + ) + product = product_service.update(db, db_obj=product, obj_in=product_in) + return product + +@router.delete("/{id}", response_model=schemas.Product) +def delete_product( + *, + db: Session = Depends(get_db), + id: int, + current_user: schemas.User = Depends(get_current_active_superuser), +) -> Any: + """ + Delete a product. + """ + product = product_service.get(db, id=id) + if not product: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Product not found", + ) + product = product_service.remove(db, id=id) + return product diff --git a/app/api/v1/endpoints/users.py b/app/api/v1/endpoints/users.py new file mode 100644 index 0000000..cc469fe --- /dev/null +++ b/app/api/v1/endpoints/users.py @@ -0,0 +1,76 @@ +from typing import Any, List + +from fastapi import APIRouter, Body, Depends, HTTPException, status +from fastapi.encoders import jsonable_encoder +from sqlalchemy.orm import Session + +from app import schemas +from app.api.deps import get_current_active_superuser, get_current_active_user, get_db +from app.services import user_service + +router = APIRouter() + +@router.get("/", response_model=List[schemas.User]) +def read_users( + db: Session = Depends(get_db), + skip: int = 0, + limit: int = 100, + current_user: schemas.User = Depends(get_current_active_superuser), +) -> Any: + """ + Retrieve users. + """ + users = user_service.get_multi(db, skip=skip, limit=limit) + return users + +@router.get("/me", response_model=schemas.User) +def read_user_me( + db: Session = Depends(get_db), + current_user: schemas.User = Depends(get_current_active_user), +) -> Any: + """ + Get current user. + """ + return current_user + +@router.patch("/me", response_model=schemas.User) +def update_user_me( + *, + db: Session = Depends(get_db), + full_name: str = Body(None), + email: str = Body(None), + password: str = Body(None), + current_user: schemas.User = Depends(get_current_active_user), +) -> Any: + """ + Update own user. + """ + current_user_data = jsonable_encoder(current_user) + user_in = schemas.UserUpdate(**current_user_data) + if full_name is not None: + user_in.full_name = full_name + if email is not None: + user_in.email = email + if password is not None: + user_in.password = password + user = user_service.update(db, db_obj=current_user, obj_in=user_in) + return user + +@router.get("/{user_id}", response_model=schemas.User) +def read_user_by_id( + user_id: int, + current_user: schemas.User = Depends(get_current_active_user), + db: Session = Depends(get_db), +) -> Any: + """ + Get a specific user by id. + """ + user = user_service.get(db, id=user_id) + if user == current_user: + return user + if not current_user.is_superuser: + raise HTTPException( + status_code=status.HTTP_403_FORBIDDEN, + detail="The user doesn't have enough privileges" + ) + return user diff --git a/app/core/config.py b/app/core/config.py new file mode 100644 index 0000000..83ccb91 --- /dev/null +++ b/app/core/config.py @@ -0,0 +1,27 @@ +from pathlib import Path +from typing import List + +from pydantic_settings import BaseSettings + + +class Settings(BaseSettings): + API_V1_STR: str = "/api/v1" + PROJECT_NAME: str = "SimpleEcommerceStore" + + # Database + DB_DIR = Path("/app/storage/db") + DB_DIR.mkdir(parents=True, exist_ok=True) + SQLALCHEMY_DATABASE_URL: str = f"sqlite:///{DB_DIR}/db.sqlite" + + # JWT + SECRET_KEY: str = "09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7" + ALGORITHM: str = "HS256" + ACCESS_TOKEN_EXPIRE_MINUTES: int = 30 + + # CORS + BACKEND_CORS_ORIGINS: List[str] = ["*"] + + class Config: + case_sensitive = True + +settings = Settings() diff --git a/app/core/security.py b/app/core/security.py new file mode 100644 index 0000000..94c5e99 --- /dev/null +++ b/app/core/security.py @@ -0,0 +1,28 @@ +from datetime import datetime, timedelta +from typing import Any, Union + +from jose import jwt +from passlib.context import CryptContext + +from app.core.config import settings + +pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto") + +def create_access_token( + subject: Union[str, Any], expires_delta: timedelta = None +) -> str: + if expires_delta: + expire = datetime.utcnow() + expires_delta + else: + expire = datetime.utcnow() + timedelta( + minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES + ) + to_encode = {"exp": expire, "sub": str(subject)} + encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM) + return encoded_jwt + +def verify_password(plain_password: str, hashed_password: str) -> bool: + return pwd_context.verify(plain_password, hashed_password) + +def get_password_hash(password: str) -> str: + return pwd_context.hash(password) diff --git a/app/db/__init__.py b/app/db/__init__.py new file mode 100644 index 0000000..1e07a34 --- /dev/null +++ b/app/db/__init__.py @@ -0,0 +1 @@ +# This file is intentionally left empty to make the directory a Python package. diff --git a/app/db/deps.py b/app/db/deps.py new file mode 100644 index 0000000..a58ae2f --- /dev/null +++ b/app/db/deps.py @@ -0,0 +1,62 @@ +from typing import Generator + +from fastapi import Depends, HTTPException, status +from fastapi.security import OAuth2PasswordBearer +from jose import JWTError, jwt +from pydantic import ValidationError +from sqlalchemy.orm import Session + +from app.core.config import settings +from app.db.session import SessionLocal +from app.models.user import User +from app.schemas.token import TokenPayload + +oauth2_scheme = OAuth2PasswordBearer(tokenUrl=f"{settings.API_V1_STR}/auth/login") + +def get_db() -> Generator: + db = SessionLocal() + try: + yield db + finally: + db.close() + +def get_current_user( + db: Session = Depends(get_db), token: str = Depends(oauth2_scheme) +) -> User: + try: + payload = jwt.decode( + token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM] + ) + token_data = TokenPayload(**payload) + except (JWTError, ValidationError): + raise HTTPException( + status_code=status.HTTP_403_FORBIDDEN, + detail="Could not validate credentials", + ) + user = db.query(User).filter(User.id == token_data.sub).first() + if not user: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="User not found" + ) + return user + +def get_current_active_user( + current_user: User = Depends(get_current_user), +) -> User: + if not current_user.is_active: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail="Inactive user" + ) + return current_user + +def get_current_active_superuser( + current_user: User = Depends(get_current_user), +) -> User: + if not current_user.is_superuser: + raise HTTPException( + status_code=status.HTTP_403_FORBIDDEN, + detail="The user doesn't have enough privileges" + ) + return current_user diff --git a/app/db/session.py b/app/db/session.py new file mode 100644 index 0000000..1f646dd --- /dev/null +++ b/app/db/session.py @@ -0,0 +1,20 @@ +from pathlib import Path + +from sqlalchemy import create_engine +from sqlalchemy.ext.declarative import declarative_base +from sqlalchemy.orm import sessionmaker + +# Create directory if it does not exist +DB_DIR = Path("/app/storage/db") +DB_DIR.mkdir(parents=True, exist_ok=True) + +SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_DIR}/db.sqlite" + +engine = create_engine( + SQLALCHEMY_DATABASE_URL, + connect_args={"check_same_thread": False} +) + +SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) + +Base = declarative_base() diff --git a/app/main.py b/app/main.py new file mode 100644 index 0000000..348ec4e --- /dev/null +++ b/app/main.py @@ -0,0 +1,32 @@ + +from fastapi import FastAPI +from fastapi.middleware.cors import CORSMiddleware + +from app.api.v1.api import api_router +from app.core.config import settings + +app = FastAPI( + title=settings.PROJECT_NAME, + openapi_url=f"{settings.API_V1_STR}/openapi.json", + docs_url="/docs", + redoc_url="/redoc", +) + +# Set all CORS enabled origins +if settings.BACKEND_CORS_ORIGINS: + app.add_middleware( + CORSMiddleware, + allow_origins=[str(origin) for origin in settings.BACKEND_CORS_ORIGINS], + allow_credentials=True, + allow_methods=["*"], + allow_headers=["*"], + ) + +app.include_router(api_router, prefix=settings.API_V1_STR) + +@app.get("/health") +def health_check(): + """ + Basic health check endpoint + """ + return {"status": "healthy"} diff --git a/app/models/__init__.py b/app/models/__init__.py new file mode 100644 index 0000000..85125a8 --- /dev/null +++ b/app/models/__init__.py @@ -0,0 +1,4 @@ +from app.models.cart import CartItem +from app.models.order import Order, OrderItem, OrderStatus +from app.models.product import Product +from app.models.user import User diff --git a/app/models/cart.py b/app/models/cart.py new file mode 100644 index 0000000..5df82ed --- /dev/null +++ b/app/models/cart.py @@ -0,0 +1,21 @@ +from sqlalchemy import Column, DateTime, Float, ForeignKey, Integer +from sqlalchemy.orm import relationship +from sqlalchemy.sql import func + +from app.db.session import Base + + +class CartItem(Base): + __tablename__ = "cart_items" + + id = Column(Integer, primary_key=True, index=True) + user_id = Column(Integer, ForeignKey("users.id"), nullable=False) + product_id = Column(Integer, ForeignKey("products.id"), nullable=False) + quantity = Column(Integer, nullable=False, default=1) + unit_price = Column(Float, nullable=False) # Store price at the time of adding to cart + created_at = Column(DateTime(timezone=True), server_default=func.now()) + updated_at = Column(DateTime(timezone=True), onupdate=func.now()) + + # Relationships + user = relationship("User", backref="cart_items") + product = relationship("Product") diff --git a/app/models/order.py b/app/models/order.py new file mode 100644 index 0000000..e86c40d --- /dev/null +++ b/app/models/order.py @@ -0,0 +1,44 @@ +import enum + +from sqlalchemy import Column, DateTime, Enum, Float, ForeignKey, Integer, String +from sqlalchemy.orm import relationship +from sqlalchemy.sql import func + +from app.db.session import Base + + +class OrderStatus(str, enum.Enum): + PENDING = "pending" + PAID = "paid" + SHIPPED = "shipped" + DELIVERED = "delivered" + CANCELLED = "cancelled" + +class Order(Base): + __tablename__ = "orders" + + id = Column(Integer, primary_key=True, index=True) + user_id = Column(Integer, ForeignKey("users.id"), nullable=False) + total_amount = Column(Float, nullable=False) + shipping_address = Column(String, nullable=False) + status = Column(Enum(OrderStatus), default=OrderStatus.PENDING) + created_at = Column(DateTime(timezone=True), server_default=func.now()) + updated_at = Column(DateTime(timezone=True), onupdate=func.now()) + + # Relationships + user = relationship("User", backref="orders") + items = relationship("OrderItem", back_populates="order") + +class OrderItem(Base): + __tablename__ = "order_items" + + id = Column(Integer, primary_key=True, index=True) + order_id = Column(Integer, ForeignKey("orders.id"), nullable=False) + product_id = Column(Integer, ForeignKey("products.id"), nullable=False) + quantity = Column(Integer, nullable=False) + unit_price = Column(Float, nullable=False) # Price at the time of order + created_at = Column(DateTime(timezone=True), server_default=func.now()) + + # Relationships + order = relationship("Order", back_populates="items") + product = relationship("Product") diff --git a/app/models/product.py b/app/models/product.py new file mode 100644 index 0000000..50fd630 --- /dev/null +++ b/app/models/product.py @@ -0,0 +1,18 @@ +from sqlalchemy import Boolean, Column, DateTime, Float, Integer, String, Text +from sqlalchemy.sql import func + +from app.db.session import Base + + +class Product(Base): + __tablename__ = "products" + + id = Column(Integer, primary_key=True, index=True) + name = Column(String, index=True, nullable=False) + description = Column(Text, nullable=True) + price = Column(Float, nullable=False, index=True) + stock = Column(Integer, nullable=False, default=0) + image_url = Column(String, nullable=True) + is_active = Column(Boolean, default=True) + created_at = Column(DateTime(timezone=True), server_default=func.now()) + updated_at = Column(DateTime(timezone=True), onupdate=func.now()) diff --git a/app/models/user.py b/app/models/user.py new file mode 100644 index 0000000..3938eb9 --- /dev/null +++ b/app/models/user.py @@ -0,0 +1,18 @@ +from sqlalchemy import Boolean, Column, DateTime, Integer, String +from sqlalchemy.sql import func + +from app.db.session import Base + + +class User(Base): + __tablename__ = "users" + + id = Column(Integer, primary_key=True, index=True) + email = Column(String, unique=True, index=True, nullable=False) + username = Column(String, unique=True, index=True, nullable=False) + hashed_password = Column(String, nullable=False) + full_name = Column(String, index=True) + is_active = Column(Boolean, default=True) + is_superuser = Column(Boolean, default=False) + created_at = Column(DateTime(timezone=True), server_default=func.now()) + updated_at = Column(DateTime(timezone=True), onupdate=func.now()) diff --git a/app/schemas/__init__.py b/app/schemas/__init__.py new file mode 100644 index 0000000..30ebf7c --- /dev/null +++ b/app/schemas/__init__.py @@ -0,0 +1,5 @@ +from app.schemas.cart import CartItem, CartItemCreate, CartItemUpdate, CartSummary +from app.schemas.order import Order, OrderCreate, OrderItem, OrderUpdate +from app.schemas.product import Product, ProductCreate, ProductUpdate +from app.schemas.token import Token, TokenPayload +from app.schemas.user import User, UserCreate, UserInDB, UserUpdate diff --git a/app/schemas/cart.py b/app/schemas/cart.py new file mode 100644 index 0000000..3c808cb --- /dev/null +++ b/app/schemas/cart.py @@ -0,0 +1,38 @@ +from datetime import datetime +from typing import List, Optional + +from pydantic import BaseModel, Field + + +# Shared properties +class CartItemBase(BaseModel): + product_id: int + quantity: int = Field(..., gt=0) + +# Properties to receive on cart item creation +class CartItemCreate(CartItemBase): + pass + +# Properties to receive on cart item update +class CartItemUpdate(BaseModel): + quantity: int = Field(..., gt=0) + +# Properties shared by models stored in DB +class CartItemInDBBase(CartItemBase): + id: int + user_id: int + unit_price: float + created_at: datetime + updated_at: Optional[datetime] = None + + class Config: + from_attributes = True + +# Properties to return to client +class CartItem(CartItemInDBBase): + pass + +# Properties to return for cart summary +class CartSummary(BaseModel): + items: List[CartItem] + total: float diff --git a/app/schemas/order.py b/app/schemas/order.py new file mode 100644 index 0000000..a909e85 --- /dev/null +++ b/app/schemas/order.py @@ -0,0 +1,53 @@ +from datetime import datetime +from typing import List, Optional + +from pydantic import BaseModel, Field + +from app.models.order import OrderStatus + + +# Order Item Schemas +class OrderItemBase(BaseModel): + product_id: int + quantity: int = Field(..., gt=0) + unit_price: float = Field(..., gt=0) + +class OrderItemCreate(OrderItemBase): + pass + +class OrderItemInDBBase(OrderItemBase): + id: int + order_id: int + created_at: datetime + + class Config: + from_attributes = True + +class OrderItem(OrderItemInDBBase): + pass + +# Order Schemas +class OrderBase(BaseModel): + shipping_address: str + status: Optional[OrderStatus] = OrderStatus.PENDING + +class OrderCreate(OrderBase): + pass + +class OrderUpdate(BaseModel): + status: Optional[OrderStatus] = None + shipping_address: Optional[str] = None + +class OrderInDBBase(OrderBase): + id: int + user_id: int + total_amount: float + created_at: datetime + updated_at: Optional[datetime] = None + status: OrderStatus + + class Config: + from_attributes = True + +class Order(OrderInDBBase): + items: List[OrderItem] diff --git a/app/schemas/product.py b/app/schemas/product.py new file mode 100644 index 0000000..013a040 --- /dev/null +++ b/app/schemas/product.py @@ -0,0 +1,44 @@ +from datetime import datetime +from typing import Optional + +from pydantic import BaseModel, Field + + +# Shared properties +class ProductBase(BaseModel): + name: Optional[str] = None + description: Optional[str] = None + price: Optional[float] = None + stock: Optional[int] = None + image_url: Optional[str] = None + is_active: Optional[bool] = True + +# Properties to receive on product creation +class ProductCreate(ProductBase): + name: str + price: float = Field(..., gt=0) + stock: int = Field(..., ge=0) + +# Properties to receive on product update +class ProductUpdate(ProductBase): + pass + +# Properties shared by models stored in DB +class ProductInDBBase(ProductBase): + id: int + name: str + price: float + stock: int + created_at: datetime + updated_at: Optional[datetime] = None + + class Config: + from_attributes = True + +# Properties to return to client +class Product(ProductInDBBase): + pass + +# Properties stored in DB +class ProductInDB(ProductInDBBase): + pass diff --git a/app/schemas/token.py b/app/schemas/token.py new file mode 100644 index 0000000..ac15711 --- /dev/null +++ b/app/schemas/token.py @@ -0,0 +1,11 @@ +from typing import Optional + +from pydantic import BaseModel + + +class Token(BaseModel): + access_token: str + token_type: str + +class TokenPayload(BaseModel): + sub: Optional[int] = None diff --git a/app/schemas/user.py b/app/schemas/user.py new file mode 100644 index 0000000..404e53d --- /dev/null +++ b/app/schemas/user.py @@ -0,0 +1,47 @@ +from datetime import datetime +from typing import Optional + +from pydantic import BaseModel, EmailStr, model_validator + + +# Shared properties +class UserBase(BaseModel): + email: Optional[EmailStr] = None + username: Optional[str] = None + is_active: Optional[bool] = True + is_superuser: bool = False + full_name: Optional[str] = None + +# Properties to receive via API on creation +class UserCreate(UserBase): + email: EmailStr + username: str + password: str + + @model_validator(mode="after") + def validate_username(self): + username = self.username + if len(username) < 3: + raise ValueError("Username must be at least 3 characters long") + return self + +# Properties to receive via API on update +class UserUpdate(UserBase): + password: Optional[str] = None + +# Properties shared by models stored in DB +class UserInDBBase(UserBase): + id: int + created_at: datetime + updated_at: Optional[datetime] = None + + class Config: + from_attributes = True + +# Additional properties to return via API +class User(UserInDBBase): + pass + +# Additional properties stored in DB +class UserInDB(UserInDBBase): + hashed_password: str diff --git a/app/services/__init__.py b/app/services/__init__.py new file mode 100644 index 0000000..62d3397 --- /dev/null +++ b/app/services/__init__.py @@ -0,0 +1,4 @@ +from app.services.cart_service import cart_service +from app.services.order_service import order_service +from app.services.product_service import product_service +from app.services.user_service import user_service diff --git a/app/services/base.py b/app/services/base.py new file mode 100644 index 0000000..5274bd4 --- /dev/null +++ b/app/services/base.py @@ -0,0 +1,65 @@ +from typing import Any, Dict, Generic, List, Optional, Type, TypeVar, Union + +from fastapi.encoders import jsonable_encoder +from pydantic import BaseModel +from sqlalchemy.orm import Session + +from app.db.session import Base + +ModelType = TypeVar("ModelType", bound=Base) +CreateSchemaType = TypeVar("CreateSchemaType", bound=BaseModel) +UpdateSchemaType = TypeVar("UpdateSchemaType", bound=BaseModel) + +class CRUDBase(Generic[ModelType, CreateSchemaType, UpdateSchemaType]): + def __init__(self, model: Type[ModelType]): + """ + CRUD object with default methods to Create, Read, Update, Delete (CRUD). + + **Parameters** + + * `model`: A SQLAlchemy model class + * `schema`: A Pydantic model (schema) class + """ + self.model = model + + def get(self, db: Session, id: Any) -> Optional[ModelType]: + return db.query(self.model).filter(self.model.id == id).first() + + def get_multi( + self, db: Session, *, skip: int = 0, limit: int = 100 + ) -> List[ModelType]: + return db.query(self.model).offset(skip).limit(limit).all() + + def create(self, db: Session, *, obj_in: CreateSchemaType) -> ModelType: + obj_in_data = jsonable_encoder(obj_in) + db_obj = self.model(**obj_in_data) + db.add(db_obj) + db.commit() + db.refresh(db_obj) + return db_obj + + def update( + self, + db: Session, + *, + db_obj: ModelType, + obj_in: Union[UpdateSchemaType, Dict[str, Any]] + ) -> ModelType: + obj_data = jsonable_encoder(db_obj) + if isinstance(obj_in, dict): + update_data = obj_in + else: + update_data = obj_in.model_dump(exclude_unset=True) + for field in obj_data: + if field in update_data: + setattr(db_obj, field, update_data[field]) + db.add(db_obj) + db.commit() + db.refresh(db_obj) + return db_obj + + def remove(self, db: Session, *, id: int) -> ModelType: + obj = db.query(self.model).get(id) + db.delete(obj) + db.commit() + return obj diff --git a/app/services/cart_service.py b/app/services/cart_service.py new file mode 100644 index 0000000..b5424c0 --- /dev/null +++ b/app/services/cart_service.py @@ -0,0 +1,53 @@ +from typing import List, Optional + +from sqlalchemy.orm import Session + +from app.models.cart import CartItem +from app.schemas.cart import CartItemCreate, CartItemUpdate +from app.services.base import CRUDBase + + +class CartService(CRUDBase[CartItem, CartItemCreate, CartItemUpdate]): + def get_cart_items(self, db: Session, *, user_id: int) -> List[CartItem]: + return db.query(CartItem).filter(CartItem.user_id == user_id).all() + + def get_cart_item( + self, db: Session, *, user_id: int, product_id: int + ) -> Optional[CartItem]: + return ( + db.query(CartItem) + .filter(CartItem.user_id == user_id, CartItem.product_id == product_id) + .first() + ) + + def add_item_to_cart( + self, db: Session, *, obj_in: CartItemCreate, user_id: int, unit_price: float + ) -> CartItem: + db_obj = CartItem( + user_id=user_id, + product_id=obj_in.product_id, + quantity=obj_in.quantity, + unit_price=unit_price + ) + db.add(db_obj) + db.commit() + db.refresh(db_obj) + return db_obj + + def update_item_quantity( + self, db: Session, *, db_obj: CartItem, quantity: int + ) -> CartItem: + db_obj.quantity = quantity + db.add(db_obj) + db.commit() + db.refresh(db_obj) + return db_obj + + def clear_cart(self, db: Session, *, user_id: int) -> List[CartItem]: + cart_items = self.get_cart_items(db, user_id=user_id) + for item in cart_items: + db.delete(item) + db.commit() + return cart_items + +cart_service = CartService(CartItem) diff --git a/app/services/order_service.py b/app/services/order_service.py new file mode 100644 index 0000000..2d5b763 --- /dev/null +++ b/app/services/order_service.py @@ -0,0 +1,52 @@ +from typing import List + +from sqlalchemy.orm import Session + +from app.models.cart import CartItem +from app.models.order import Order, OrderItem +from app.schemas.order import OrderCreate, OrderUpdate +from app.services.base import CRUDBase + + +class OrderService(CRUDBase[Order, OrderCreate, OrderUpdate]): + def get_user_orders( + self, db: Session, *, user_id: int, skip: int = 0, limit: int = 100 + ) -> List[Order]: + return ( + db.query(Order) + .filter(Order.user_id == user_id) + .offset(skip) + .limit(limit) + .all() + ) + + def create_from_cart( + self, db: Session, *, user_id: int, cart_items: List[CartItem], shipping_address: str + ) -> Order: + # Calculate total amount + total_amount = sum(item.unit_price * item.quantity for item in cart_items) + + # Create order + db_obj = Order( + user_id=user_id, + total_amount=total_amount, + shipping_address=shipping_address + ) + db.add(db_obj) + db.flush() # Flush to get the order ID + + # Create order items + for cart_item in cart_items: + order_item = OrderItem( + order_id=db_obj.id, + product_id=cart_item.product_id, + quantity=cart_item.quantity, + unit_price=cart_item.unit_price + ) + db.add(order_item) + + db.commit() + db.refresh(db_obj) + return db_obj + +order_service = OrderService(Order) diff --git a/app/services/product_service.py b/app/services/product_service.py new file mode 100644 index 0000000..c11ee74 --- /dev/null +++ b/app/services/product_service.py @@ -0,0 +1,36 @@ +from typing import List, Optional + +from sqlalchemy.orm import Session + +from app.models.product import Product +from app.schemas.product import ProductCreate, ProductUpdate +from app.services.base import CRUDBase + + +class ProductService(CRUDBase[Product, ProductCreate, ProductUpdate]): + def get_active(self, db: Session, *, id: int) -> Optional[Product]: + return ( + db.query(Product) + .filter(Product.id == id, Product.is_active) + .first() + ) + + def get_multi_active( + self, db: Session, *, skip: int = 0, limit: int = 100 + ) -> List[Product]: + return ( + db.query(Product) + .filter(Product.is_active) + .offset(skip) + .limit(limit) + .all() + ) + + def update_stock(self, db: Session, *, db_obj: Product, new_stock: int) -> Product: + db_obj.stock = new_stock + db.add(db_obj) + db.commit() + db.refresh(db_obj) + return db_obj + +product_service = ProductService(Product) diff --git a/app/services/user_service.py b/app/services/user_service.py new file mode 100644 index 0000000..b68170a --- /dev/null +++ b/app/services/user_service.py @@ -0,0 +1,59 @@ +from typing import Any, Dict, Optional, Union + +from sqlalchemy.orm import Session + +from app.core.security import get_password_hash, verify_password +from app.models.user import User +from app.schemas.user import UserCreate, UserUpdate +from app.services.base import CRUDBase + + +class UserService(CRUDBase[User, UserCreate, UserUpdate]): + def get_by_email(self, db: Session, *, email: str) -> Optional[User]: + return db.query(User).filter(User.email == email).first() + + def get_by_username(self, db: Session, *, username: str) -> Optional[User]: + return db.query(User).filter(User.username == username).first() + + def create(self, db: Session, *, obj_in: UserCreate) -> User: + db_obj = User( + email=obj_in.email, + username=obj_in.username, + hashed_password=get_password_hash(obj_in.password), + full_name=obj_in.full_name, + is_active=obj_in.is_active, + is_superuser=obj_in.is_superuser, + ) + db.add(db_obj) + db.commit() + db.refresh(db_obj) + return db_obj + + def update( + self, db: Session, *, db_obj: User, obj_in: Union[UserUpdate, Dict[str, Any]] + ) -> User: + if isinstance(obj_in, dict): + update_data = obj_in + else: + update_data = obj_in.model_dump(exclude_unset=True) + if update_data.get("password"): + hashed_password = get_password_hash(update_data["password"]) + del update_data["password"] + update_data["hashed_password"] = hashed_password + return super().update(db, db_obj=db_obj, obj_in=update_data) + + def authenticate(self, db: Session, *, email: str, password: str) -> Optional[User]: + user = self.get_by_email(db, email=email) + if not user: + return None + if not verify_password(password, user.hashed_password): + return None + return user + + def is_active(self, user: User) -> bool: + return user.is_active + + def is_superuser(self, user: User) -> bool: + return user.is_superuser + +user_service = UserService(User) diff --git a/main.py b/main.py new file mode 100644 index 0000000..e1d9781 --- /dev/null +++ b/main.py @@ -0,0 +1,10 @@ +from pathlib import Path + +import uvicorn + +# Ensure storage directory exists +storage_dir = Path("/app/storage/db") +storage_dir.mkdir(parents=True, exist_ok=True) + +if __name__ == "__main__": + uvicorn.run("app.main:app", host="0.0.0.0", port=8000, reload=True) diff --git a/migrations/env.py b/migrations/env.py new file mode 100644 index 0000000..77ba382 --- /dev/null +++ b/migrations/env.py @@ -0,0 +1,81 @@ +from logging.config import fileConfig +from pathlib import Path + +from alembic import context +from sqlalchemy import engine_from_config, pool + +# this is the Alembic Config object, which provides +# access to the values within the .ini file in use. +config = context.config + +# Interpret the config file for Python logging. +# This line sets up loggers basically. +fileConfig(config.config_file_name) + +# add your model's MetaData object here +# for 'autogenerate' support +# from myapp import mymodel +# target_metadata = mymodel.Base.metadata +from app.db.session import Base + +target_metadata = Base.metadata + +# other values from the config, defined by the needs of env.py, +# can be acquired: +# my_important_option = config.get_main_option("my_important_option") +# ... etc. + +# Ensure SQLite directory exists +DB_DIR = Path("/app/storage/db") +DB_DIR.mkdir(parents=True, exist_ok=True) + +def run_migrations_offline(): + """Run migrations in 'offline' mode. + + This configures the context with just a URL + and not an Engine, though an Engine is acceptable + here as well. By skipping the Engine creation + we don't even need a DBAPI to be available. + + Calls to context.execute() here emit the given string to the + script output. + + """ + url = config.get_main_option("sqlalchemy.url") + context.configure( + url=url, + target_metadata=target_metadata, + literal_binds=True, + dialect_opts={"paramstyle": "named"}, + ) + + with context.begin_transaction(): + context.run_migrations() + + +def run_migrations_online(): + """Run migrations in 'online' mode. + + In this scenario we need to create an Engine + and associate a connection with the context. + + """ + connectable = engine_from_config( + config.get_section(config.config_ini_section), + prefix="sqlalchemy.", + poolclass=pool.NullPool, + ) + + with connectable.connect() as connection: + context.configure( + connection=connection, target_metadata=target_metadata + ) + + with context.begin_transaction(): + context.run_migrations() + + +if context.is_offline_mode(): + run_migrations_offline() +else: + run_migrations_online() diff --git a/migrations/script.py.mako b/migrations/script.py.mako new file mode 100644 index 0000000..1e4564e --- /dev/null +++ b/migrations/script.py.mako @@ -0,0 +1,24 @@ +"""${message} + +Revision ID: ${up_revision} +Revises: ${down_revision | comma,n} +Create Date: ${create_date} + +""" +from alembic import op +import sqlalchemy as sa +${imports if imports else ""} + +# revision identifiers, used by Alembic. +revision = ${repr(up_revision)} +down_revision = ${repr(down_revision)} +branch_labels = ${repr(branch_labels)} +depends_on = ${repr(depends_on)} + + +def upgrade(): + ${upgrades if upgrades else "pass"} + + +def downgrade(): + ${downgrades if downgrades else "pass"} \ No newline at end of file diff --git a/migrations/versions/01_initial_migration.py b/migrations/versions/01_initial_migration.py new file mode 100644 index 0000000..14075e8 --- /dev/null +++ b/migrations/versions/01_initial_migration.py @@ -0,0 +1,122 @@ +"""Initial migration + +Revision ID: 01_initial_migration +Revises: None +Create Date: 2023-12-22 10:00:00.000000 + +""" +import sqlalchemy as sa +from alembic import op + +# revision identifiers, used by Alembic. +revision = '01_initial_migration' +down_revision = None +branch_labels = None +depends_on = None + + +def upgrade(): + # Create users table + op.create_table( + 'users', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('email', sa.String(), nullable=False), + sa.Column('username', sa.String(), nullable=False), + sa.Column('hashed_password', sa.String(), nullable=False), + sa.Column('full_name', sa.String(), nullable=True), + sa.Column('is_active', sa.Boolean(), nullable=True, default=True), + sa.Column('is_superuser', sa.Boolean(), nullable=True, default=False), + sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True), + sa.Column('updated_at', sa.DateTime(timezone=True), nullable=True), + sa.PrimaryKeyConstraint('id') + ) + op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True) + op.create_index(op.f('ix_users_username'), 'users', ['username'], unique=True) + op.create_index(op.f('ix_users_id'), 'users', ['id'], unique=False) + op.create_index(op.f('ix_users_full_name'), 'users', ['full_name'], unique=False) + + # Create products table + op.create_table( + 'products', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('name', sa.String(), nullable=False), + sa.Column('description', sa.Text(), nullable=True), + sa.Column('price', sa.Float(), nullable=False), + sa.Column('stock', sa.Integer(), nullable=False, default=0), + sa.Column('image_url', sa.String(), nullable=True), + sa.Column('is_active', sa.Boolean(), nullable=True, default=True), + sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True), + sa.Column('updated_at', sa.DateTime(timezone=True), nullable=True), + sa.PrimaryKeyConstraint('id') + ) + op.create_index(op.f('ix_products_id'), 'products', ['id'], unique=False) + op.create_index(op.f('ix_products_name'), 'products', ['name'], unique=False) + op.create_index(op.f('ix_products_price'), 'products', ['price'], unique=False) + + # Create cart_items table + op.create_table( + 'cart_items', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('user_id', sa.Integer(), nullable=False), + sa.Column('product_id', sa.Integer(), nullable=False), + sa.Column('quantity', sa.Integer(), nullable=False, default=1), + sa.Column('unit_price', sa.Float(), nullable=False), + sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True), + sa.Column('updated_at', sa.DateTime(timezone=True), nullable=True), + sa.ForeignKeyConstraint(['product_id'], ['products.id'], ), + sa.ForeignKeyConstraint(['user_id'], ['users.id'], ), + sa.PrimaryKeyConstraint('id') + ) + op.create_index(op.f('ix_cart_items_id'), 'cart_items', ['id'], unique=False) + + # Create orders table + op.create_table( + 'orders', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('user_id', sa.Integer(), nullable=False), + sa.Column('total_amount', sa.Float(), nullable=False), + sa.Column('shipping_address', sa.String(), nullable=False), + sa.Column('status', sa.Enum('pending', 'paid', 'shipped', 'delivered', 'cancelled', name='orderstatus'), nullable=True, default='pending'), + sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True), + sa.Column('updated_at', sa.DateTime(timezone=True), nullable=True), + sa.ForeignKeyConstraint(['user_id'], ['users.id'], ), + sa.PrimaryKeyConstraint('id') + ) + op.create_index(op.f('ix_orders_id'), 'orders', ['id'], unique=False) + + # Create order_items table + op.create_table( + 'order_items', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('order_id', sa.Integer(), nullable=False), + sa.Column('product_id', sa.Integer(), nullable=False), + sa.Column('quantity', sa.Integer(), nullable=False), + sa.Column('unit_price', sa.Float(), nullable=False), + sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True), + sa.ForeignKeyConstraint(['order_id'], ['orders.id'], ), + sa.ForeignKeyConstraint(['product_id'], ['products.id'], ), + sa.PrimaryKeyConstraint('id') + ) + op.create_index(op.f('ix_order_items_id'), 'order_items', ['id'], unique=False) + + +def downgrade(): + op.drop_index(op.f('ix_order_items_id'), table_name='order_items') + op.drop_table('order_items') + + op.drop_index(op.f('ix_orders_id'), table_name='orders') + op.drop_table('orders') + + op.drop_index(op.f('ix_cart_items_id'), table_name='cart_items') + op.drop_table('cart_items') + + op.drop_index(op.f('ix_products_price'), table_name='products') + op.drop_index(op.f('ix_products_name'), table_name='products') + op.drop_index(op.f('ix_products_id'), table_name='products') + op.drop_table('products') + + op.drop_index(op.f('ix_users_full_name'), table_name='users') + op.drop_index(op.f('ix_users_id'), table_name='users') + op.drop_index(op.f('ix_users_username'), table_name='users') + op.drop_index(op.f('ix_users_email'), table_name='users') + op.drop_table('users') diff --git a/pyproject.toml b/pyproject.toml new file mode 100644 index 0000000..268bdec --- /dev/null +++ b/pyproject.toml @@ -0,0 +1,13 @@ +[tool.ruff] +line-length = 100 +target-version = "py39" + +[tool.ruff.lint] +select = ["E", "F", "I", "W"] +ignore = ["E203", "E501", "E402"] # E203 for black compatibility, E501 for line length, E402 for imports not at top + +[tool.ruff.lint.isort] +known-third-party = ["fastapi", "pydantic", "sqlalchemy", "alembic", "jose", "passlib"] + +[tool.ruff.lint.per-file-ignores] +"__init__.py" = ["F401"] # Ignore unused imports in __init__.py files \ No newline at end of file diff --git a/requirements.txt b/requirements.txt new file mode 100644 index 0000000..172c0ef --- /dev/null +++ b/requirements.txt @@ -0,0 +1,13 @@ +fastapi==0.108.0 +uvicorn==0.25.0 +sqlalchemy==2.0.25 +pydantic==2.5.3 +pydantic-settings==2.1.0 +python-jose==3.3.0 +passlib==1.7.4 +bcrypt==4.1.1 +python-multipart==0.0.6 +alembic==1.13.1 +ruff==0.1.11 +pytest==7.4.4 +httpx==0.26.0 \ No newline at end of file