
- Set up project structure with FastAPI and SQLite - Create models for products and cart items - Implement schemas for API request/response validation - Add database migrations with Alembic - Create service layer for business logic - Implement API endpoints for cart operations - Add health endpoint for monitoring - Update documentation - Fix linting issues
109 lines
3.2 KiB
Python
109 lines
3.2 KiB
Python
from fastapi import APIRouter, Depends, HTTPException, Header, status
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from sqlalchemy.orm import Session
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from app.db.session import get_db
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from app.schemas.cart import CartItemCreate, CartItemUpdate, CartDetail, CartItemResponse
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from app.schemas.common import DataResponse, ResponseBase
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from app.services import cart_service
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router = APIRouter(prefix="/cart", tags=["cart"])
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@router.get("", response_model=DataResponse[CartDetail])
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def get_cart(
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user_id: str = Header(..., description="User ID for cart identification"),
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db: Session = Depends(get_db)
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):
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"""
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Get the current user's cart with all items.
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"""
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cart = cart_service.get_active_cart(db, user_id)
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cart_detail = cart_service.get_cart_detail(db, cart.id)
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return {
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"success": True,
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"message": "Cart retrieved successfully",
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"data": cart_detail
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}
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@router.post("/items", response_model=DataResponse[CartItemResponse], status_code=status.HTTP_201_CREATED)
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def add_to_cart(
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item_data: CartItemCreate,
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user_id: str = Header(..., description="User ID for cart identification"),
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db: Session = Depends(get_db)
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):
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"""
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Add a product to the user's cart.
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"""
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cart_item, is_new = cart_service.add_item_to_cart(db, user_id, item_data)
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status_message = "Item added to cart successfully" if is_new else "Item quantity updated successfully"
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return {
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"success": True,
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"message": status_message,
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"data": cart_item
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}
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@router.put("/items/{item_id}", response_model=DataResponse[CartItemResponse])
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def update_cart_item(
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item_id: int,
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item_data: CartItemUpdate,
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user_id: str = Header(..., description="User ID for cart identification"),
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db: Session = Depends(get_db)
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):
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"""
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Update the quantity of an item in the user's cart.
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"""
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cart_item = cart_service.update_cart_item(db, user_id, item_id, item_data)
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if not cart_item:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail=f"Cart item with ID {item_id} not found in user's cart"
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)
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return {
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"success": True,
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"message": "Cart item updated successfully",
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"data": cart_item
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}
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@router.delete("/items/{item_id}", response_model=ResponseBase)
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def remove_cart_item(
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item_id: int,
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user_id: str = Header(..., description="User ID for cart identification"),
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db: Session = Depends(get_db)
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):
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"""
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Remove an item from the user's cart.
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"""
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success = cart_service.remove_cart_item(db, user_id, item_id)
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if not success:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail=f"Cart item with ID {item_id} not found in user's cart"
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)
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return {
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"success": True,
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"message": "Item removed from cart successfully"
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}
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@router.delete("", response_model=ResponseBase)
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def clear_cart(
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user_id: str = Header(..., description="User ID for cart identification"),
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db: Session = Depends(get_db)
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):
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"""
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Remove all items from the user's cart.
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"""
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cart_service.clear_cart(db, user_id)
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return {
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"success": True,
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"message": "Cart cleared successfully"
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} |