852e0a32b1
- Set up project structure - Create FastAPI app with health endpoint - Implement SQLAlchemy with SQLite database - Set up Alembic for database migrations - Create CRUD operations for items - Add comprehensive documentation
134 lines
3.2 KiB
Python
134 lines
3.2 KiB
Python
from typing import List, Optional
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from fastapi import APIRouter, Depends, HTTPException, 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.models import models
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from app.schemas.item import Item, ItemCreate, ItemUpdate
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router = APIRouter()
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@router.post("/items/", response_model=Item, status_code=status.HTTP_201_CREATED)
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def create_item(item: ItemCreate, db: Session = Depends(get_db)):
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"""
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Create a new item.
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Args:
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item: The item data to create
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db: Database session
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Returns:
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The created item
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"""
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db_item = models.Item(**item.model_dump())
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db.add(db_item)
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db.commit()
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db.refresh(db_item)
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return db_item
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@router.get("/items/", response_model=List[Item])
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def read_items(
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skip: int = 0,
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limit: int = 100,
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name: Optional[str] = None,
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db: Session = Depends(get_db),
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):
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"""
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Retrieve items with optional filtering.
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Args:
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skip: Number of items to skip
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limit: Maximum number of items to return
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name: Optional filter by item name
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db: Database session
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Returns:
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List of items
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"""
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query = db.query(models.Item)
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if name:
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query = query.filter(models.Item.name.ilike(f"%{name}%"))
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items = query.offset(skip).limit(limit).all()
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return items
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@router.get("/items/{item_id}", response_model=Item)
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def read_item(item_id: int, db: Session = Depends(get_db)):
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"""
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Get item by ID.
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Args:
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item_id: The ID of the item to retrieve
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db: Database session
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Returns:
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The requested item
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Raises:
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HTTPException: If item is not found
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"""
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item = db.query(models.Item).filter(models.Item.id == item_id).first()
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if item is None:
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raise HTTPException(status_code=404, detail="Item not found")
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return item
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@router.patch("/items/{item_id}", response_model=Item)
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def update_item(item_id: int, item_update: ItemUpdate, db: Session = Depends(get_db)):
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"""
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Update an item.
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Args:
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item_id: The ID of the item to update
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item_update: The updated item data
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db: Database session
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Returns:
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The updated item
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Raises:
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HTTPException: If item is not found
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"""
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db_item = db.query(models.Item).filter(models.Item.id == item_id).first()
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if db_item is None:
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raise HTTPException(status_code=404, detail="Item not found")
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# Update item attributes that are provided
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update_data = item_update.model_dump(exclude_unset=True)
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for key, value in update_data.items():
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setattr(db_item, key, value)
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db.commit()
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db.refresh(db_item)
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return db_item
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@router.delete(
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"/items/{item_id}", status_code=status.HTTP_204_NO_CONTENT, response_model=None
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)
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def delete_item(item_id: int, db: Session = Depends(get_db)):
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"""
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Delete an item.
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Args:
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item_id: The ID of the item to delete
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db: Database session
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Returns:
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None
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Raises:
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HTTPException: If item is not found
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"""
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db_item = db.query(models.Item).filter(models.Item.id == item_id).first()
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if db_item is None:
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raise HTTPException(status_code=404, detail="Item not found")
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db.delete(db_item)
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db.commit()
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return None
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