108 lines
3.3 KiB
Python
108 lines
3.3 KiB
Python
from fastapi import FastAPI, Depends, HTTPException
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from fastapi_versioning import VersionedFastAPI, version
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy.future import select
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from sqlalchemy.exc import NoResultFound
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from pydantic import BaseModel
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from typing import List
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from models import Base, Item as ItemModel
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from database import engine, SessionLocal
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.staticfiles import StaticFiles
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from fastapi_versioning import VersionedFastAPI
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from fastapi_versioning import version
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app = FastAPI()
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@app.on_event("startup")
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async def on_startup():
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async with engine.begin() as conn:
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await conn.run_sync(Base.metadata.create_all)
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# Pydantic Schemas
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class ItemCreate(BaseModel):
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name: str
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description: str = None
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class ItemRead(ItemCreate):
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id: int
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class Config:
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orm_mode = True
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# Dependency
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async def get_session() -> AsyncSession:
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async with SessionLocal() as session:
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yield session
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@app.get("/")
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@version(1)
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def read_root():
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return "Items app"
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@app.get("/")
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@version(2)
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def read_root():
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return "Items v2 app"
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@app.post("/items/", response_model=ItemRead)
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@version(1)
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async def create_item(item: ItemCreate, session: AsyncSession = Depends(get_session)):
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db_item = ItemModel(name=item.name, description=item.description)
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session.add(db_item)
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await session.commit()
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await session.refresh(db_item)
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return db_item
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@app.get("/items/", response_model=List[ItemRead])
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@version(1)
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async def read_items(session: AsyncSession = Depends(get_session)):
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result = await session.execute(select(ItemModel))
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return result.scalars().all()
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@app.get("/items/{item_id}", response_model=ItemRead)
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@version(1)
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async def read_item(item_id: int, session: AsyncSession = Depends(get_session)):
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result = await session.execute(select(ItemModel).where(ItemModel.id == item_id))
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item = result.scalar_one_or_none()
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if not item:
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raise HTTPException(status_code=404, detail="Item not found")
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return item
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@app.put("/items/{item_id}", response_model=ItemRead)
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@version(1)
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async def update_item(item_id: int, item: ItemCreate, session: AsyncSession = Depends(get_session)):
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result = await session.execute(select(ItemModel).where(ItemModel.id == item_id))
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db_item = result.scalar_one_or_none()
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if not db_item:
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raise HTTPException(status_code=404, detail="Item not found")
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db_item.name = item.name
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db_item.description = item.description
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await session.commit()
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await session.refresh(db_item)
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return db_item
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@app.delete("/items/{item_id}")
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@version(1)
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async def delete_item(item_id: int, session: AsyncSession = Depends(get_session)):
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result = await session.execute(select(ItemModel).where(ItemModel.id == item_id))
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db_item = result.scalar_one_or_none()
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if not db_item:
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raise HTTPException(status_code=404, detail="Item not found")
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await session.delete(db_item)
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await session.commit()
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return {"detail": "Item deleted"}
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app = VersionedFastAPI(app, version_format='{major}', prefix_format='/v{major}')
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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app.mount("/", StaticFiles(directory=".", html=True), name="static") |