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https://github.com/fastapi/sqlmodel.git
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102 lines
2.8 KiB
Python
102 lines
2.8 KiB
Python
from typing import Optional
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from fastapi import FastAPI, HTTPException, Query
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from sqlmodel import Field, Session, SQLModel, create_engine, select
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class HeroBase(SQLModel):
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name: str = Field(index=True)
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secret_name: str
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age: Optional[int] = Field(default=None, index=True)
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class Hero(HeroBase, table=True):
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id: Optional[int] = Field(default=None, primary_key=True)
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hashed_password: str = Field()
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class HeroCreate(HeroBase):
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password: str
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class HeroPublic(HeroBase):
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id: int
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class HeroUpdate(SQLModel):
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name: Optional[str] = None
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secret_name: Optional[str] = None
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age: Optional[int] = None
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password: Optional[str] = None
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sqlite_file_name = "database.db"
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sqlite_url = f"sqlite:///{sqlite_file_name}"
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connect_args = {"check_same_thread": False}
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engine = create_engine(sqlite_url, echo=True, connect_args=connect_args)
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def create_db_and_tables():
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SQLModel.metadata.create_all(engine)
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def hash_password(password: str) -> str:
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# Use something like passlib here
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return f"not really hashed {password} hehehe"
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app = FastAPI()
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@app.on_event("startup")
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def on_startup():
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create_db_and_tables()
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@app.post("/heroes/", response_model=HeroPublic)
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def create_hero(hero: HeroCreate):
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hashed_password = hash_password(hero.password)
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with Session(engine) as session:
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extra_data = {"hashed_password": hashed_password}
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db_hero = Hero.model_validate(hero, update=extra_data)
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session.add(db_hero)
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session.commit()
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session.refresh(db_hero)
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return db_hero
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@app.get("/heroes/", response_model=list[HeroPublic])
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def read_heroes(offset: int = 0, limit: int = Query(default=100, le=100)):
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with Session(engine) as session:
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heroes = session.exec(select(Hero).offset(offset).limit(limit)).all()
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return heroes
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@app.get("/heroes/{hero_id}", response_model=HeroPublic)
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def read_hero(hero_id: int):
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with Session(engine) as session:
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hero = session.get(Hero, hero_id)
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if not hero:
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raise HTTPException(status_code=404, detail="Hero not found")
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return hero
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@app.patch("/heroes/{hero_id}", response_model=HeroPublic)
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def update_hero(hero_id: int, hero: HeroUpdate):
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with Session(engine) as session:
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db_hero = session.get(Hero, hero_id)
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if not db_hero:
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raise HTTPException(status_code=404, detail="Hero not found")
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hero_data = hero.model_dump(exclude_unset=True)
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extra_data = {}
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if "password" in hero_data:
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password = hero_data["password"]
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hashed_password = hash_password(password)
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extra_data["hashed_password"] = hashed_password
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db_hero.sqlmodel_update(hero_data, update=extra_data)
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session.add(db_hero)
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session.commit()
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session.refresh(db_hero)
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return db_hero
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