From 4e92bb133811a30186df31af105ef33eb03a62b9 Mon Sep 17 00:00:00 2001 From: Automated Action Date: Sun, 11 May 2025 18:51:15 +0000 Subject: [PATCH] Create FastAPI E-commerce API with SQLite MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This commit includes: - Project structure setup with FastAPI - Database models with SQLAlchemy (users, products, categories, orders) - SQLite database configuration - Alembic migration scripts - API endpoints for authentication, users, products, categories, and orders - JWT authentication - Comprehensive documentation 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude --- README.md | 150 ++++++++++++++++++++++++++++- alembic.ini | 100 ++++++++++++++++++++ alembic/env.py | 84 +++++++++++++++++ alembic/script.py.mako | 26 ++++++ alembic/versions/01_initial.py | 113 ++++++++++++++++++++++ app/__init__.py | 0 app/api/__init__.py | 0 app/api/api.py | 10 ++ app/api/deps.py | 71 ++++++++++++++ app/api/endpoints/__init__.py | 0 app/api/endpoints/auth.py | 71 ++++++++++++++ app/api/endpoints/categories.py | 108 +++++++++++++++++++++ app/api/endpoints/orders.py | 161 ++++++++++++++++++++++++++++++++ app/api/endpoints/products.py | 117 +++++++++++++++++++++++ app/api/endpoints/users.py | 95 +++++++++++++++++++ app/core/__init__.py | 0 app/core/config.py | 27 ++++++ app/core/security.py | 33 +++++++ app/crud/__init__.py | 3 + app/crud/base.py | 66 +++++++++++++ app/crud/order.py | 107 +++++++++++++++++++++ app/crud/product.py | 29 ++++++ app/crud/user.py | 59 ++++++++++++ app/db/__init__.py | 0 app/db/session.py | 21 +++++ app/models/__init__.py | 3 + app/models/order.py | 43 +++++++++ app/models/product.py | 34 +++++++ app/models/user.py | 17 ++++ app/schemas/__init__.py | 3 + app/schemas/order.py | 71 ++++++++++++++ app/schemas/product.py | 68 ++++++++++++++ app/schemas/user.py | 49 ++++++++++ main.py | 32 +++++++ requirements.txt | 9 ++ 35 files changed, 1778 insertions(+), 2 deletions(-) create mode 100644 alembic.ini create mode 100644 alembic/env.py create mode 100644 alembic/script.py.mako create mode 100644 alembic/versions/01_initial.py create mode 100644 app/__init__.py create mode 100644 app/api/__init__.py create mode 100644 app/api/api.py create mode 100644 app/api/deps.py create mode 100644 app/api/endpoints/__init__.py create mode 100644 app/api/endpoints/auth.py create mode 100644 app/api/endpoints/categories.py create mode 100644 app/api/endpoints/orders.py create mode 100644 app/api/endpoints/products.py create mode 100644 app/api/endpoints/users.py create mode 100644 app/core/__init__.py create mode 100644 app/core/config.py create mode 100644 app/core/security.py create mode 100644 app/crud/__init__.py create mode 100644 app/crud/base.py create mode 100644 app/crud/order.py create mode 100644 app/crud/product.py create mode 100644 app/crud/user.py create mode 100644 app/db/__init__.py create mode 100644 app/db/session.py create mode 100644 app/models/__init__.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/order.py create mode 100644 app/schemas/product.py create mode 100644 app/schemas/user.py create mode 100644 main.py create mode 100644 requirements.txt diff --git a/README.md b/README.md index e8acfba..cf59c56 100644 --- a/README.md +++ b/README.md @@ -1,3 +1,149 @@ -# FastAPI Application +# E-commerce API -This is a FastAPI application bootstrapped by BackendIM, the AI-powered backend generation platform. +A RESTful API for an e-commerce application built with FastAPI and SQLite. + +## Features + +- User authentication and authorization +- Product management +- Category management +- Shopping cart and order processing +- Admin dashboard + +## Tech Stack + +- **Framework**: FastAPI +- **Database**: SQLite with SQLAlchemy ORM +- **Migration**: Alembic +- **Authentication**: JWT tokens +- **API Documentation**: Swagger UI and ReDoc (auto-generated) + +## Project Structure + +``` +/ +├── alembic/ # Database migrations +├── app/ # Main application directory +│ ├── api/ # API endpoints +│ │ ├── endpoints/ # API route handlers +│ ├── core/ # Core components +│ ├── crud/ # CRUD operations +│ ├── db/ # Database sessions and connections +│ ├── models/ # SQLAlchemy models +│ └── schemas/ # Pydantic models/schemas +├── main.py # FastAPI application instance +└── requirements.txt # Project dependencies +``` + +## Installation + +1. **Clone the repository** + +2. **Install dependencies**: + ```bash + pip install -r requirements.txt + ``` + +3. **Run database migrations**: + ```bash + alembic upgrade head + ``` + +4. **Start the API server**: + ```bash + uvicorn main:app --host 0.0.0.0 --port 8000 --reload + ``` + +## API Endpoints + +### Authentication + +- `POST /api/v1/auth/register` - Register a new user +- `POST /api/v1/auth/login` - Login and get access token + +### Users + +- `GET /api/v1/users/me` - Get current user info +- `PUT /api/v1/users/me` - Update current user info +- `GET /api/v1/users/{user_id}` - Get user by ID +- `GET /api/v1/users/` - Get all users (admin only) +- `PUT /api/v1/users/{user_id}` - Update user by ID (admin only) + +### Categories + +- `GET /api/v1/categories/` - List all categories +- `POST /api/v1/categories/` - Create a new category (admin only) +- `GET /api/v1/categories/{category_id}` - Get category by ID +- `PUT /api/v1/categories/{category_id}` - Update category (admin only) +- `DELETE /api/v1/categories/{category_id}` - Delete category (admin only) + +### Products + +- `GET /api/v1/products/` - List all active products +- `POST /api/v1/products/` - Create a new product (admin only) +- `GET /api/v1/products/{product_id}` - Get product by ID +- `PUT /api/v1/products/{product_id}` - Update product (admin only) +- `DELETE /api/v1/products/{product_id}` - Delete product (admin only) +- `GET /api/v1/products/category/{category_id}` - Get products by category + +### Orders + +- `GET /api/v1/orders/` - List user's orders (or all orders for admin) +- `POST /api/v1/orders/` - Create a new order +- `GET /api/v1/orders/{order_id}` - Get order by ID +- `PUT /api/v1/orders/{order_id}` - Update order +- `PUT /api/v1/orders/{order_id}/status` - Update order status (admin only) +- `GET /api/v1/orders/status/{status}` - Get orders by status (admin only) + +## API Documentation + +When the server is running, the API documentation is available at: + +- Swagger UI: [http://localhost:8000/docs](http://localhost:8000/docs) +- ReDoc: [http://localhost:8000/redoc](http://localhost:8000/redoc) + +## Database Schema + +### Users +- id: Integer (Primary Key) +- email: String (Unique) +- username: String (Unique) +- hashed_password: String +- full_name: String (Optional) +- is_active: Boolean +- is_admin: Boolean +- created_at: DateTime +- updated_at: DateTime + +### Categories +- id: Integer (Primary Key) +- name: String (Unique) +- description: Text (Optional) + +### Products +- id: Integer (Primary Key) +- name: String +- description: Text (Optional) +- price: Float +- stock: Integer +- is_active: Boolean +- category_id: Integer (Foreign Key) +- image_url: String (Optional) +- created_at: DateTime +- updated_at: DateTime + +### Orders +- id: Integer (Primary Key) +- user_id: Integer (Foreign Key) +- status: Enum (PENDING, PROCESSING, SHIPPED, DELIVERED, CANCELLED) +- total_amount: Float +- shipping_address: String +- created_at: DateTime +- updated_at: DateTime + +### Order Items +- id: Integer (Primary Key) +- order_id: Integer (Foreign Key) +- product_id: Integer (Foreign Key) +- quantity: Integer +- price: Float (Price at the time of purchase) diff --git a/alembic.ini b/alembic.ini new file mode 100644 index 0000000..eeb6748 --- /dev/null +++ b/alembic.ini @@ -0,0 +1,100 @@ +# A generic, single database configuration. + +[alembic] +# path to migration scripts +script_location = alembic + +# template used to generate migration files +# file_template = %%(rev)s_%%(slug)s + +# sys.path path, will be prepended to sys.path if present. +# defaults to the current working directory. +prepend_sys_path = . + +# timezone to use when rendering the date within the migration file +# as well as the filename. +# If specified, requires the python-dateutil library that can be +# installed by adding `alembic[tz]` to the pip requirements +# timezone = UTC + +# 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 alembic/versions. When using multiple version +# directories, initial revisions must be specified with --version-path. +# The path separator used here should be the separator specified by "version_path_separator" below. +# version_locations = %(here)s/bar:%(here)s/bat:alembic/versions + +# version path separator; As mentioned above, this is the character used to split +# version_locations. The default within new alembic.ini files is "os", which uses os.pathsep. +# If this key is omitted entirely, it falls back to the legacy behavior of splitting on spaces and/or commas. +# Valid values for version_path_separator are: +# +# version_path_separator = : +# version_path_separator = ; +# version_path_separator = space +version_path_separator = os # Use os.pathsep. Default configuration used for new projects. + +# the output encoding used when revision files +# are written from script.py.mako +# output_encoding = utf-8 + +sqlalchemy.url = driver://user:pass@localhost/dbname + + +[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 REVISION_SCRIPT_FILENAME + +# 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/alembic/env.py b/alembic/env.py new file mode 100644 index 0000000..ff2b94c --- /dev/null +++ b/alembic/env.py @@ -0,0 +1,84 @@ +from logging.config import fileConfig + +from sqlalchemy import engine_from_config +from sqlalchemy import pool + +from alembic import context + +# 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. +if config.config_file_name is not None: + fileConfig(config.config_file_name) + +# Import your models and database configuration +from app.db.session import Base +from app.core.config import settings +from app.models import User, Product, Category, Order, OrderItem + +# Set the SQLAlchemy URL in the Alembic configuration +config.set_main_option("sqlalchemy.url", settings.SQLALCHEMY_DATABASE_URL) + +# add your model's MetaData object here +# for 'autogenerate' support +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. + + +def run_migrations_offline() -> None: + """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() -> None: + """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() \ No newline at end of file diff --git a/alembic/script.py.mako b/alembic/script.py.mako new file mode 100644 index 0000000..3cf5352 --- /dev/null +++ b/alembic/script.py.mako @@ -0,0 +1,26 @@ +"""${message} + +Revision ID: ${up_revision} +Revises: ${down_revision | comma,n} +Create Date: ${create_date} + +""" +from typing import Sequence, Union + +from alembic import op +import sqlalchemy as sa +${imports if imports else ""} + +# revision identifiers, used by Alembic. +revision: str = ${repr(up_revision)} +down_revision: Union[str, None] = ${repr(down_revision)} +branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)} +depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)} + + +def upgrade() -> None: + ${upgrades if upgrades else "pass"} + + +def downgrade() -> None: + ${downgrades if downgrades else "pass"} \ No newline at end of file diff --git a/alembic/versions/01_initial.py b/alembic/versions/01_initial.py new file mode 100644 index 0000000..ed80dc2 --- /dev/null +++ b/alembic/versions/01_initial.py @@ -0,0 +1,113 @@ +"""Initial + +Revision ID: 01_initial +Revises: +Create Date: 2025-05-11 + +""" +from typing import Sequence, Union + +from alembic import op +import sqlalchemy as sa +from sqlalchemy.dialects import sqlite + +# revision identifiers, used by Alembic. +revision: str = '01_initial' +down_revision: Union[str, None] = None +branch_labels: Union[str, Sequence[str], None] = None +depends_on: Union[str, Sequence[str], None] = None + + +def upgrade() -> None: + # ### commands auto generated by Alembic - please adjust! ### + # 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), + sa.Column('is_admin', sa.Boolean(), nullable=True), + sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('(CURRENT_TIMESTAMP)'), 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_id'), 'users', ['id'], unique=False) + op.create_index(op.f('ix_users_username'), 'users', ['username'], unique=True) + + # Create categories table + op.create_table('categories', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('name', sa.String(), nullable=False), + sa.Column('description', sa.Text(), nullable=True), + sa.PrimaryKeyConstraint('id') + ) + op.create_index(op.f('ix_categories_id'), 'categories', ['id'], unique=False) + op.create_index(op.f('ix_categories_name'), 'categories', ['name'], unique=True) + + # 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=True), + sa.Column('is_active', sa.Boolean(), nullable=True), + sa.Column('category_id', sa.Integer(), nullable=True), + sa.Column('image_url', sa.String(), nullable=True), + sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('(CURRENT_TIMESTAMP)'), nullable=True), + sa.Column('updated_at', sa.DateTime(timezone=True), nullable=True), + sa.ForeignKeyConstraint(['category_id'], ['categories.id'], ), + 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) + + # Create orders table + op.create_table('orders', + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('user_id', sa.Integer(), nullable=True), + sa.Column('status', sa.Enum('PENDING', 'PROCESSING', 'SHIPPED', 'DELIVERED', 'CANCELLED', name='orderstatus'), nullable=True), + sa.Column('total_amount', sa.Float(), nullable=True), + sa.Column('shipping_address', sa.String(), nullable=True), + sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('(CURRENT_TIMESTAMP)'), 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=True), + sa.Column('product_id', sa.Integer(), nullable=True), + sa.Column('quantity', sa.Integer(), nullable=True), + sa.Column('price', sa.Float(), 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) + # ### end Alembic commands ### + + +def downgrade() -> None: + # ### commands auto generated by Alembic - please adjust! ### + 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_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_categories_name'), table_name='categories') + op.drop_index(op.f('ix_categories_id'), table_name='categories') + op.drop_table('categories') + op.drop_index(op.f('ix_users_username'), table_name='users') + op.drop_index(op.f('ix_users_id'), table_name='users') + op.drop_index(op.f('ix_users_email'), table_name='users') + op.drop_table('users') + # ### end Alembic commands ### \ No newline at end of file diff --git a/app/__init__.py b/app/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/api/__init__.py b/app/api/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/api/api.py b/app/api/api.py new file mode 100644 index 0000000..8dc2ab9 --- /dev/null +++ b/app/api/api.py @@ -0,0 +1,10 @@ +from fastapi import APIRouter + +from app.api.endpoints import auth, users, products, categories, orders + +api_router = APIRouter() +api_router.include_router(auth.router, prefix="/auth", tags=["authentication"]) +api_router.include_router(users.router, prefix="/users", tags=["users"]) +api_router.include_router(products.router, prefix="/products", tags=["products"]) +api_router.include_router(categories.router, prefix="/categories", tags=["categories"]) +api_router.include_router(orders.router, prefix="/orders", tags=["orders"]) \ No newline at end of file diff --git a/app/api/deps.py b/app/api/deps.py new file mode 100644 index 0000000..5fc9704 --- /dev/null +++ b/app/api/deps.py @@ -0,0 +1,71 @@ +from typing import Generator, Optional + +from fastapi import Depends, HTTPException, status +from fastapi.security import OAuth2PasswordBearer +from jose import jwt, JWTError +from pydantic import ValidationError +from sqlalchemy.orm import Session + +from app.db.session import SessionLocal +from app.models.user import User +from app.core.config import settings +from app.core.security import ALGORITHM +from app.crud.user import user +from app.schemas.user import TokenPayload + +oauth2_scheme = OAuth2PasswordBearer( + tokenUrl=f"{settings.API_V1_STR}/auth/login" +) + + +def get_db() -> Generator: + try: + db = SessionLocal() + 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=[ALGORITHM] + ) + token_data = TokenPayload(**payload) + except (JWTError, ValidationError): + raise HTTPException( + status_code=status.HTTP_403_FORBIDDEN, + detail="Could not validate credentials", + ) + + db_user = user.get(db, id=token_data.sub) + if not db_user: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="User not found", + ) + return db_user + + +def get_current_active_user( + current_user: User = Depends(get_current_user), +) -> User: + if not user.is_active(current_user): + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail="Inactive user", + ) + return current_user + + +def get_current_admin_user( + current_user: User = Depends(get_current_active_user), +) -> User: + if not user.is_admin(current_user): + raise HTTPException( + status_code=status.HTTP_403_FORBIDDEN, + detail="The user doesn't have enough privileges", + ) + return current_user \ No newline at end of file diff --git a/app/api/endpoints/__init__.py b/app/api/endpoints/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/api/endpoints/auth.py b/app/api/endpoints/auth.py new file mode 100644 index 0000000..9e1cbec --- /dev/null +++ b/app/api/endpoints/auth.py @@ -0,0 +1,71 @@ +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.api.deps import get_db +from app.core.config import settings +from app.core.security import create_access_token +from app.crud.user import user +from app.schemas.user import Token, User, UserCreate + +router = APIRouter() + + +@router.post("/login", response_model=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. + """ + auth_user = user.authenticate( + db, email=form_data.username, password=form_data.password + ) + if not auth_user: + raise HTTPException( + status_code=status.HTTP_401_UNAUTHORIZED, + detail="Incorrect email or password", + ) + if not user.is_active(auth_user): + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail="Inactive user", + ) + + access_token_expires = timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES) + + return { + "access_token": create_access_token( + auth_user.id, expires_delta=access_token_expires + ), + "token_type": "bearer", + } + + +@router.post("/register", response_model=User) +def register_new_user( + *, + db: Session = Depends(get_db), + user_in: UserCreate, +) -> Any: + """ + Create new user. + """ + db_user = user.get_by_email(db, email=user_in.email) + if db_user: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail="Email already registered", + ) + + db_user = user.get_by_username(db, username=user_in.username) + if db_user: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail="Username already registered", + ) + + return user.create(db, obj_in=user_in) \ No newline at end of file diff --git a/app/api/endpoints/categories.py b/app/api/endpoints/categories.py new file mode 100644 index 0000000..a90e467 --- /dev/null +++ b/app/api/endpoints/categories.py @@ -0,0 +1,108 @@ +from typing import Any, List + +from fastapi import APIRouter, Depends, HTTPException, status +from sqlalchemy.orm import Session + +from app.api.deps import get_current_admin_user, get_db +from app.crud.product import category +from app.models.user import User +from app.schemas.product import Category, CategoryCreate, CategoryUpdate + +router = APIRouter() + + +@router.get("/", response_model=List[Category]) +def read_categories( + db: Session = Depends(get_db), + skip: int = 0, + limit: int = 100, +) -> Any: + """ + Retrieve categories. + """ + return category.get_multi(db, skip=skip, limit=limit) + + +@router.post("/", response_model=Category) +def create_category( + *, + db: Session = Depends(get_db), + category_in: CategoryCreate, + current_user: User = Depends(get_current_admin_user), +) -> Any: + """ + Create new category. Only for admins. + """ + db_category = category.get_by_name(db, name=category_in.name) + if db_category: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail="Category with this name already exists", + ) + return category.create(db, obj_in=category_in) + + +@router.get("/{category_id}", response_model=Category) +def read_category( + *, + db: Session = Depends(get_db), + category_id: int, +) -> Any: + """ + Get category by ID. + """ + db_category = category.get(db, id=category_id) + if not db_category: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Category not found", + ) + return db_category + + +@router.put("/{category_id}", response_model=Category) +def update_category( + *, + db: Session = Depends(get_db), + category_id: int, + category_in: CategoryUpdate, + current_user: User = Depends(get_current_admin_user), +) -> Any: + """ + Update a category. Only for admins. + """ + db_category = category.get(db, id=category_id) + if not db_category: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Category not found", + ) + + if category_in.name: + existing = category.get_by_name(db, name=category_in.name) + if existing and existing.id != category_id: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail="Category with this name already exists", + ) + + return category.update(db, db_obj=db_category, obj_in=category_in) + + +@router.delete("/{category_id}", response_model=Category) +def delete_category( + *, + db: Session = Depends(get_db), + category_id: int, + current_user: User = Depends(get_current_admin_user), +) -> Any: + """ + Delete a category. Only for admins. + """ + db_category = category.get(db, id=category_id) + if not db_category: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Category not found", + ) + return category.remove(db, id=category_id) \ No newline at end of file diff --git a/app/api/endpoints/orders.py b/app/api/endpoints/orders.py new file mode 100644 index 0000000..8b36710 --- /dev/null +++ b/app/api/endpoints/orders.py @@ -0,0 +1,161 @@ +from typing import Any, List + +from fastapi import APIRouter, Depends, HTTPException, status +from sqlalchemy.orm import Session + +from app.api.deps import get_current_active_user, get_current_admin_user, get_db +from app.crud.order import order, order_item +from app.models.order import OrderStatus +from app.models.user import User +from app.schemas.order import ( + Order, OrderCreate, OrderUpdate, + OrderItem, OrderItemCreate, OrderItemUpdate +) + +router = APIRouter() + + +@router.get("/", response_model=List[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 orders. + """ + if current_user.is_admin: + return order.get_multi(db, skip=skip, limit=limit) + return order.get_by_user(db, user_id=current_user.id, skip=skip, limit=limit) + + +@router.post("/", response_model=Order) +def create_order( + *, + db: Session = Depends(get_db), + order_in: OrderCreate, + current_user: User = Depends(get_current_active_user), +) -> Any: + """ + Create new order. + """ + # Ensure user can only create orders for themselves + if order_in.user_id != current_user.id and not current_user.is_admin: + raise HTTPException( + status_code=status.HTTP_403_FORBIDDEN, + detail="You can only create orders for yourself", + ) + + try: + return order.create(db, obj_in=order_in) + except ValueError as e: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail=str(e), + ) + + +@router.get("/{order_id}", response_model=Order) +def read_order( + *, + db: Session = Depends(get_db), + order_id: int, + current_user: User = Depends(get_current_active_user), +) -> Any: + """ + Get order by ID. + """ + db_order = order.get(db, id=order_id) + if not db_order: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Order not found", + ) + + # Ensure users can only view their own orders unless they're admins + if db_order.user_id != current_user.id and not current_user.is_admin: + raise HTTPException( + status_code=status.HTTP_403_FORBIDDEN, + detail="You can only view your own orders", + ) + + return db_order + + +@router.put("/{order_id}/status", response_model=Order) +def update_order_status( + *, + db: Session = Depends(get_db), + order_id: int, + status: OrderStatus, + current_user: User = Depends(get_current_admin_user), +) -> Any: + """ + Update order status. Only for admins. + """ + db_order = order.get(db, id=order_id) + if not db_order: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Order not found", + ) + + return order.update_status(db, db_obj=db_order, status=status) + + +@router.put("/{order_id}", response_model=Order) +def update_order( + *, + db: Session = Depends(get_db), + order_id: int, + order_in: OrderUpdate, + current_user: User = Depends(get_current_active_user), +) -> Any: + """ + Update an order. + """ + db_order = order.get(db, id=order_id) + if not db_order: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Order not found", + ) + + # Users can only update their own orders + if db_order.user_id != current_user.id and not current_user.is_admin: + raise HTTPException( + status_code=status.HTTP_403_FORBIDDEN, + detail="You can only update your own orders", + ) + + # Regular users can only update the shipping address if the order is still pending + if not current_user.is_admin and db_order.status != OrderStatus.PENDING: + raise HTTPException( + status_code=status.HTTP_400_BAD_REQUEST, + detail="You can only update pending orders", + ) + + # Regular users can't update status + if order_in.status and not current_user.is_admin: + raise HTTPException( + status_code=status.HTTP_403_FORBIDDEN, + detail="You cannot update order status", + ) + + return order.update(db, db_obj=db_order, obj_in=order_in) + + +@router.get("/status/{status}", response_model=List[Order]) +def read_orders_by_status( + *, + db: Session = Depends(get_db), + status: OrderStatus, + skip: int = 0, + limit: int = 100, + current_user: User = Depends(get_current_admin_user), +) -> Any: + """ + Get orders by status. Only for admins. + """ + return order.get_by_status(db, status=status, skip=skip, limit=limit) \ No newline at end of file diff --git a/app/api/endpoints/products.py b/app/api/endpoints/products.py new file mode 100644 index 0000000..79b75ec --- /dev/null +++ b/app/api/endpoints/products.py @@ -0,0 +1,117 @@ +from typing import Any, List + +from fastapi import APIRouter, Depends, HTTPException, status +from sqlalchemy.orm import Session + +from app.api.deps import get_current_admin_user, get_current_active_user, get_db +from app.crud.product import product, category +from app.models.user import User +from app.schemas.product import ( + Product, ProductCreate, ProductUpdate, + Category, CategoryCreate, CategoryUpdate, +) + +router = APIRouter() + + +# Product routes +@router.get("/", response_model=List[Product]) +def read_products( + db: Session = Depends(get_db), + skip: int = 0, + limit: int = 100, +) -> Any: + """ + Retrieve products. + """ + return product.get_active(db, skip=skip, limit=limit) + + +@router.post("/", response_model=Product) +def create_product( + *, + db: Session = Depends(get_db), + product_in: ProductCreate, + current_user: User = Depends(get_current_admin_user), +) -> Any: + """ + Create new product. Only for admins. + """ + return product.create(db, obj_in=product_in) + + +@router.get("/{product_id}", response_model=Product) +def read_product( + *, + db: Session = Depends(get_db), + product_id: int, +) -> Any: + """ + Get product by ID. + """ + db_product = product.get(db, id=product_id) + if not db_product: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Product not found", + ) + return db_product + + +@router.put("/{product_id}", response_model=Product) +def update_product( + *, + db: Session = Depends(get_db), + product_id: int, + product_in: ProductUpdate, + current_user: User = Depends(get_current_admin_user), +) -> Any: + """ + Update a product. Only for admins. + """ + db_product = product.get(db, id=product_id) + if not db_product: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Product not found", + ) + return product.update(db, db_obj=db_product, obj_in=product_in) + + +@router.delete("/{product_id}", response_model=Product) +def delete_product( + *, + db: Session = Depends(get_db), + product_id: int, + current_user: User = Depends(get_current_admin_user), +) -> Any: + """ + Delete a product. Only for admins. + """ + db_product = product.get(db, id=product_id) + if not db_product: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Product not found", + ) + return product.remove(db, id=product_id) + + +@router.get("/category/{category_id}", response_model=List[Product]) +def read_products_by_category( + *, + db: Session = Depends(get_db), + category_id: int, + skip: int = 0, + limit: int = 100, +) -> Any: + """ + Get products by category. + """ + db_category = category.get(db, id=category_id) + if not db_category: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="Category not found", + ) + return product.get_by_category(db, category_id=category_id, skip=skip, limit=limit) \ No newline at end of file diff --git a/app/api/endpoints/users.py b/app/api/endpoints/users.py new file mode 100644 index 0000000..c47ec29 --- /dev/null +++ b/app/api/endpoints/users.py @@ -0,0 +1,95 @@ +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.api.deps import get_current_active_user, get_current_admin_user, get_db +from app.crud.user import user +from app.models.user import User as UserModel +from app.schemas.user import User, UserUpdate + +router = APIRouter() + + +@router.get("/me", response_model=User) +def read_user_me( + current_user: UserModel = Depends(get_current_active_user), +) -> Any: + """ + Get current user. + """ + return current_user + + +@router.put("/me", response_model=User) +def update_user_me( + *, + db: Session = Depends(get_db), + user_in: UserUpdate, + current_user: UserModel = Depends(get_current_active_user), +) -> Any: + """ + Update own user. + """ + return user.update(db, db_obj=current_user, obj_in=user_in) + + +@router.get("/{user_id}", response_model=User) +def read_user_by_id( + user_id: int, + current_user: UserModel = Depends(get_current_active_user), + db: Session = Depends(get_db), +) -> Any: + """ + Get a specific user by id. + """ + db_user = user.get(db, id=user_id) + if not db_user: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="User not found", + ) + + if user_id != current_user.id and not current_user.is_admin: + raise HTTPException( + status_code=status.HTTP_403_FORBIDDEN, + detail="The user doesn't have enough privileges", + ) + + return db_user + + +@router.get("/", response_model=List[User]) +def read_users( + db: Session = Depends(get_db), + skip: int = 0, + limit: int = 100, + current_user: UserModel = Depends(get_current_admin_user), +) -> Any: + """ + Retrieve users. Only for admins. + """ + users = user.get_multi(db, skip=skip, limit=limit) + return users + + +@router.put("/{user_id}", response_model=User) +def update_user( + *, + db: Session = Depends(get_db), + user_id: int, + user_in: UserUpdate, + current_user: UserModel = Depends(get_current_admin_user), +) -> Any: + """ + Update a user. Only for admins. + """ + db_user = user.get(db, id=user_id) + if not db_user: + raise HTTPException( + status_code=status.HTTP_404_NOT_FOUND, + detail="User not found", + ) + + return user.update(db, db_obj=db_user, obj_in=user_in) \ No newline at end of file diff --git a/app/core/__init__.py b/app/core/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/core/config.py b/app/core/config.py new file mode 100644 index 0000000..8ab6c8b --- /dev/null +++ b/app/core/config.py @@ -0,0 +1,27 @@ +import secrets +from pathlib import Path +from typing import Any, Dict, Optional + +from pydantic import BaseSettings + +# Build paths +BASE_DIR = Path(__file__).resolve().parent.parent.parent + +class Settings(BaseSettings): + API_V1_STR: str = "/api/v1" + SECRET_KEY: str = secrets.token_urlsafe(32) + # 60 minutes * 24 hours * 8 days = 8 days + ACCESS_TOKEN_EXPIRE_MINUTES: int = 60 * 24 * 8 + + # CORS + BACKEND_CORS_ORIGINS: list[str] = ["*"] + + # Database + DB_DIR = BASE_DIR.parent / "storage" / "db" + DB_DIR.mkdir(parents=True, exist_ok=True) + SQLALCHEMY_DATABASE_URL: str = f"sqlite:///{DB_DIR}/db.sqlite" + + class Config: + case_sensitive = True + +settings = Settings() \ No newline at end of file diff --git a/app/core/security.py b/app/core/security.py new file mode 100644 index 0000000..c9c4d3f --- /dev/null +++ b/app/core/security.py @@ -0,0 +1,33 @@ +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") + +ALGORITHM = "HS256" + + +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=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) \ No newline at end of file diff --git a/app/crud/__init__.py b/app/crud/__init__.py new file mode 100644 index 0000000..692ac57 --- /dev/null +++ b/app/crud/__init__.py @@ -0,0 +1,3 @@ +from app.crud.user import user +from app.crud.product import product, category +from app.crud.order import order, order_item \ No newline at end of file diff --git a/app/crud/base.py b/app/crud/base.py new file mode 100644 index 0000000..ca133f6 --- /dev/null +++ b/app/crud/base.py @@ -0,0 +1,66 @@ +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.dict(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 \ No newline at end of file diff --git a/app/crud/order.py b/app/crud/order.py new file mode 100644 index 0000000..4f38abf --- /dev/null +++ b/app/crud/order.py @@ -0,0 +1,107 @@ +from typing import List, Optional, Dict, Any, Union +from sqlalchemy.orm import Session + +from app.crud.base import CRUDBase +from app.models.order import Order, OrderItem, OrderStatus +from app.schemas.order import OrderCreate, OrderUpdate, OrderItemCreate, OrderItemUpdate +from app.models.product import Product + + +class CRUDOrderItem(CRUDBase[OrderItem, OrderItemCreate, OrderItemUpdate]): + def create_with_order( + self, db: Session, *, obj_in: OrderItemCreate, order_id: int + ) -> OrderItem: + # Get product to get current price if not provided + product = db.query(Product).filter(Product.id == obj_in.product_id).first() + if not product: + raise ValueError(f"Product with id {obj_in.product_id} not found") + + # Check if stock is available + if product.stock < obj_in.quantity: + raise ValueError(f"Not enough stock for product {product.name}") + + # Create order item + db_obj = OrderItem( + order_id=order_id, + product_id=obj_in.product_id, + quantity=obj_in.quantity, + price=obj_in.price if obj_in.price else product.price, + ) + + # Update product stock + product.stock -= obj_in.quantity + + db.add(db_obj) + db.add(product) + db.commit() + db.refresh(db_obj) + return db_obj + + +order_item = CRUDOrderItem(OrderItem) + + +class CRUDOrder(CRUDBase[Order, OrderCreate, OrderUpdate]): + def get_by_user( + 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 get_by_status( + self, db: Session, *, status: OrderStatus, skip: int = 0, limit: int = 100 + ) -> List[Order]: + return ( + db.query(Order) + .filter(Order.status == status) + .offset(skip) + .limit(limit) + .all() + ) + + def create(self, db: Session, *, obj_in: OrderCreate) -> Order: + # Calculate total amount from items + total_amount = 0 + for item in obj_in.items: + product = db.query(Product).filter(Product.id == item.product_id).first() + if not product: + raise ValueError(f"Product with id {item.product_id} not found") + if product.stock < item.quantity: + raise ValueError(f"Not enough stock for product {product.name}") + price = item.price if item.price else product.price + total_amount += price * item.quantity + + # Create order + db_obj = Order( + user_id=obj_in.user_id, + status=OrderStatus.PENDING, + total_amount=total_amount, + shipping_address=obj_in.shipping_address, + ) + db.add(db_obj) + db.commit() + db.refresh(db_obj) + + # Create order items + for item in obj_in.items: + order_item.create_with_order(db=db, obj_in=item, order_id=db_obj.id) + + db.refresh(db_obj) + return db_obj + + def update_status( + self, db: Session, *, db_obj: Order, status: OrderStatus + ) -> Order: + db_obj.status = status + db.add(db_obj) + db.commit() + db.refresh(db_obj) + return db_obj + + +order = CRUDOrder(Order) \ No newline at end of file diff --git a/app/crud/product.py b/app/crud/product.py new file mode 100644 index 0000000..e8ab286 --- /dev/null +++ b/app/crud/product.py @@ -0,0 +1,29 @@ +from typing import List, Optional + +from sqlalchemy.orm import Session + +from app.crud.base import CRUDBase +from app.models.product import Product, Category +from app.schemas.product import ProductCreate, ProductUpdate, CategoryCreate, CategoryUpdate + + +class CRUDProduct(CRUDBase[Product, ProductCreate, ProductUpdate]): + def get_by_name(self, db: Session, *, name: str) -> Optional[Product]: + return db.query(Product).filter(Product.name == name).first() + + def get_by_category(self, db: Session, *, category_id: int, skip: int = 0, limit: int = 100) -> List[Product]: + return db.query(Product).filter(Product.category_id == category_id).offset(skip).limit(limit).all() + + def get_active(self, db: Session, *, skip: int = 0, limit: int = 100) -> List[Product]: + return db.query(Product).filter(Product.is_active == True).offset(skip).limit(limit).all() + + +product = CRUDProduct(Product) + + +class CRUDCategory(CRUDBase[Category, CategoryCreate, CategoryUpdate]): + def get_by_name(self, db: Session, *, name: str) -> Optional[Category]: + return db.query(Category).filter(Category.name == name).first() + + +category = CRUDCategory(Category) \ No newline at end of file diff --git a/app/crud/user.py b/app/crud/user.py new file mode 100644 index 0000000..4da19db --- /dev/null +++ b/app/crud/user.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.crud.base import CRUDBase +from app.models.user import User +from app.schemas.user import UserCreate, UserUpdate + + +class CRUDUser(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, + ) + 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.dict(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_admin(self, user: User) -> bool: + return user.is_admin + + +user = CRUDUser(User) \ No newline at end of file diff --git a/app/db/__init__.py b/app/db/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/db/session.py b/app/db/session.py new file mode 100644 index 0000000..678c03e --- /dev/null +++ b/app/db/session.py @@ -0,0 +1,21 @@ +from sqlalchemy import create_engine +from sqlalchemy.ext.declarative import declarative_base +from sqlalchemy.orm import sessionmaker + +from app.core.config import settings + +engine = create_engine( + settings.SQLALCHEMY_DATABASE_URL, + connect_args={"check_same_thread": False} +) +SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) + +Base = declarative_base() + +# Dependency +def get_db(): + db = SessionLocal() + try: + yield db + finally: + db.close() \ No newline at end of file diff --git a/app/models/__init__.py b/app/models/__init__.py new file mode 100644 index 0000000..3c02ab8 --- /dev/null +++ b/app/models/__init__.py @@ -0,0 +1,3 @@ +from app.models.user import User +from app.models.product import Product, Category +from app.models.order import Order, OrderItem, OrderStatus \ No newline at end of file diff --git a/app/models/order.py b/app/models/order.py new file mode 100644 index 0000000..13e57d3 --- /dev/null +++ b/app/models/order.py @@ -0,0 +1,43 @@ +from sqlalchemy import Column, Integer, String, Float, DateTime, ForeignKey, Enum +from sqlalchemy.sql import func +from sqlalchemy.orm import relationship +import enum + +from app.db.session import Base + +class OrderStatus(enum.Enum): + PENDING = "pending" + PROCESSING = "processing" + 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")) + status = Column(Enum(OrderStatus), default=OrderStatus.PENDING) + total_amount = Column(Float, default=0.0) + shipping_address = Column(String) + 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", cascade="all, delete-orphan") + + +class OrderItem(Base): + __tablename__ = "order_items" + + id = Column(Integer, primary_key=True, index=True) + order_id = Column(Integer, ForeignKey("orders.id")) + product_id = Column(Integer, ForeignKey("products.id")) + quantity = Column(Integer, default=1) + price = Column(Float) # Price at the time of purchase + + # Relationships + order = relationship("Order", back_populates="items") + product = relationship("Product", back_populates="order_items") \ No newline at end of file diff --git a/app/models/product.py b/app/models/product.py new file mode 100644 index 0000000..fb3724f --- /dev/null +++ b/app/models/product.py @@ -0,0 +1,34 @@ +from sqlalchemy import Column, Integer, String, Float, Text, Boolean, DateTime, ForeignKey +from sqlalchemy.sql import func +from sqlalchemy.orm import relationship + +from app.db.session import Base + +class Category(Base): + __tablename__ = "categories" + + id = Column(Integer, primary_key=True, index=True) + name = Column(String, unique=True, index=True, nullable=False) + description = Column(Text) + + # Relationship + products = relationship("Product", back_populates="category") + + +class Product(Base): + __tablename__ = "products" + + id = Column(Integer, primary_key=True, index=True) + name = Column(String, index=True, nullable=False) + description = Column(Text) + price = Column(Float, nullable=False) + stock = Column(Integer, default=0) + is_active = Column(Boolean, default=True) + category_id = Column(Integer, ForeignKey("categories.id")) + image_url = Column(String) + created_at = Column(DateTime(timezone=True), server_default=func.now()) + updated_at = Column(DateTime(timezone=True), onupdate=func.now()) + + # Relationships + category = relationship("Category", back_populates="products") + order_items = relationship("OrderItem", back_populates="product") \ No newline at end of file diff --git a/app/models/user.py b/app/models/user.py new file mode 100644 index 0000000..c6f2bd9 --- /dev/null +++ b/app/models/user.py @@ -0,0 +1,17 @@ +from sqlalchemy import Boolean, Column, Integer, String, DateTime +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) + is_active = Column(Boolean, default=True) + is_admin = Column(Boolean, default=False) + created_at = Column(DateTime(timezone=True), server_default=func.now()) + updated_at = Column(DateTime(timezone=True), onupdate=func.now()) \ No newline at end of file diff --git a/app/schemas/__init__.py b/app/schemas/__init__.py new file mode 100644 index 0000000..4ac3eef --- /dev/null +++ b/app/schemas/__init__.py @@ -0,0 +1,3 @@ +from app.schemas.user import User, UserCreate, UserUpdate, UserInDB, Token, TokenPayload +from app.schemas.product import Product, ProductCreate, ProductUpdate, ProductInDB, Category, CategoryCreate, CategoryUpdate +from app.schemas.order import Order, OrderCreate, OrderUpdate, OrderInDB, OrderItem, OrderItemCreate, OrderItemUpdate \ No newline at end of file diff --git a/app/schemas/order.py b/app/schemas/order.py new file mode 100644 index 0000000..d942aae --- /dev/null +++ b/app/schemas/order.py @@ -0,0 +1,71 @@ +from typing import Optional, List +from datetime import datetime +from pydantic import BaseModel, Field + +from app.models.order import OrderStatus +from app.schemas.product import Product + + +class OrderItemBase(BaseModel): + product_id: int + quantity: int = Field(1, gt=0) + price: Optional[float] = None # If not provided, will be taken from the product + + +class OrderItemCreate(OrderItemBase): + pass + + +class OrderItemUpdate(BaseModel): + quantity: Optional[int] = Field(None, gt=0) + + +class OrderItemInDBBase(OrderItemBase): + id: int + order_id: int + price: float # Price at time of purchase + + class Config: + orm_mode = True + + +class OrderItem(OrderItemInDBBase): + product: Optional[Product] = None + + +class OrderItemInDB(OrderItemInDBBase): + pass + + +class OrderBase(BaseModel): + user_id: int + shipping_address: str + total_amount: Optional[float] = None # Will be calculated from items + + +class OrderCreate(OrderBase): + items: List[OrderItemCreate] + + +class OrderUpdate(BaseModel): + status: Optional[OrderStatus] = None + shipping_address: Optional[str] = None + + +class OrderInDBBase(OrderBase): + id: int + status: OrderStatus + created_at: datetime + updated_at: Optional[datetime] = None + total_amount: float + + class Config: + orm_mode = True + + +class Order(OrderInDBBase): + items: List[OrderItem] = [] + + +class OrderInDB(OrderInDBBase): + pass \ No newline at end of file diff --git a/app/schemas/product.py b/app/schemas/product.py new file mode 100644 index 0000000..e484b8b --- /dev/null +++ b/app/schemas/product.py @@ -0,0 +1,68 @@ +from typing import Optional, List +from datetime import datetime +from pydantic import BaseModel, Field, HttpUrl + + +class CategoryBase(BaseModel): + name: str + description: Optional[str] = None + + +class CategoryCreate(CategoryBase): + pass + + +class CategoryUpdate(CategoryBase): + name: Optional[str] = None + + +class CategoryInDBBase(CategoryBase): + id: int + + class Config: + orm_mode = True + + +class Category(CategoryInDBBase): + pass + + +class ProductBase(BaseModel): + name: str + description: Optional[str] = None + price: float = Field(..., gt=0) + stock: int = Field(0, ge=0) + is_active: bool = True + category_id: Optional[int] = None + image_url: Optional[str] = None + + +class ProductCreate(ProductBase): + pass + + +class ProductUpdate(BaseModel): + name: Optional[str] = None + description: Optional[str] = None + price: Optional[float] = Field(None, gt=0) + stock: Optional[int] = Field(None, ge=0) + is_active: Optional[bool] = None + category_id: Optional[int] = None + image_url: Optional[str] = None + + +class ProductInDBBase(ProductBase): + id: int + created_at: datetime + updated_at: Optional[datetime] = None + + class Config: + orm_mode = True + + +class Product(ProductInDBBase): + category: Optional[Category] = None + + +class ProductInDB(ProductInDBBase): + pass \ No newline at end of file diff --git a/app/schemas/user.py b/app/schemas/user.py new file mode 100644 index 0000000..9f62ff3 --- /dev/null +++ b/app/schemas/user.py @@ -0,0 +1,49 @@ +from typing import Optional +from datetime import datetime +from pydantic import BaseModel, EmailStr, Field + + +class UserBase(BaseModel): + email: EmailStr + username: str + full_name: Optional[str] = None + is_active: Optional[bool] = True + + +class UserCreate(UserBase): + password: str + + +class UserUpdate(BaseModel): + email: Optional[EmailStr] = None + username: Optional[str] = None + full_name: Optional[str] = None + password: Optional[str] = None + is_active: Optional[bool] = None + + +class UserInDBBase(UserBase): + id: int + created_at: datetime + updated_at: Optional[datetime] = None + is_admin: bool = False + + class Config: + orm_mode = True + + +class User(UserInDBBase): + pass + + +class UserInDB(UserInDBBase): + hashed_password: str + + +class Token(BaseModel): + access_token: str + token_type: str + + +class TokenPayload(BaseModel): + sub: Optional[int] = None \ No newline at end of file diff --git a/main.py b/main.py new file mode 100644 index 0000000..ad0ac22 --- /dev/null +++ b/main.py @@ -0,0 +1,32 @@ +from fastapi import FastAPI +from fastapi.middleware.cors import CORSMiddleware + +from app.api.api import api_router +from app.core.config import settings + +app = FastAPI( + title="E-commerce API", + description="FastAPI E-commerce API with SQLite", + version="0.1.0", + openapi_url=f"{settings.API_V1_STR}/openapi.json", +) + +# Configure CORS +app.add_middleware( + CORSMiddleware, + allow_origins=settings.BACKEND_CORS_ORIGINS, + allow_credentials=True, + allow_methods=["*"], # Allows all methods + allow_headers=["*"], # Allows all headers +) + +@app.get("/") +async def root(): + return {"message": "Welcome to the E-commerce API"} + +# Include API router +app.include_router(api_router, prefix=settings.API_V1_STR) + +if __name__ == "__main__": + import uvicorn + uvicorn.run("main:app", host="0.0.0.0", port=8000, reload=True) \ No newline at end of file diff --git a/requirements.txt b/requirements.txt new file mode 100644 index 0000000..535951f --- /dev/null +++ b/requirements.txt @@ -0,0 +1,9 @@ +fastapi==0.108.0 +uvicorn==0.25.0 +sqlalchemy==2.0.23 +alembic==1.13.0 +pydantic==2.5.2 +python-jose==3.3.0 +passlib==1.7.4 +python-multipart==0.0.6 +bcrypt==4.0.1 \ No newline at end of file