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Basic migrations with alembic
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api/config.py

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+from pydantic import BaseSettings
+
+
+class Settings(BaseSettings):
+    app_name: str = "Fast API Template"
+    sqlalchemy_database_url: str
+    secret_key: str
+    algorithm: str
+    access_token_expire_minutes: int
+
+    class Config:
+        env_file = ".env"
+
+
+settings = Settings()

api/database.py

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+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+
+from api.config import settings
+
+engine = create_engine(
+    settings.sqlalchemy_database_url, connect_args={}
+)
+
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+Base = declarative_base()

api/routes/auth.py

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+from datetime import timedelta
+
+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordRequestForm
+from sqlalchemy.orm import Session
+
+import deps
+from api.config import settings
+from crud.users import authenticate_user, create_access_token, get_user_by_email, create_user
+from schemas.users import UserCreate, User
+
+router = APIRouter()
+
+
+@router.post("/token", response_model=deps.Token)
+async def login_for_access_token(db: Session = Depends(deps.get_db), form_data: OAuth2PasswordRequestForm = Depends()):
+    user = authenticate_user(db, form_data.username, form_data.password)
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect username or password",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    access_token_expires = timedelta(minutes=settings.access_token_expire_minutes)
+    access_token = create_access_token(
+        data={"sub": str(user.id)}, expires_delta=access_token_expires
+    )
+    return {"access_token": access_token, "token_type": "bearer"}
+
+
+@router.post("/register", response_model=User)
+async def register(user: UserCreate, db: Session = Depends(deps.get_db)):
+    db_user = get_user_by_email(db, email=user.email)
+    if db_user:
+        raise HTTPException(status_code=400, detail="Email already registered")
+    return create_user(db=db, user=user)

api/routes/items.py

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+from typing import List
+
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import Session
+
+from crud.items import create_user_item, get_items
+from schemas.items import Item, ItemCreate
+from schemas.users import User
+from deps import get_current_active_user, get_db
+
+router = APIRouter()
+
+
+@router.get("/users/me/items/", response_model=List[Item])
+async def read_own_items(current_user: User = Depends(get_current_active_user)):
+    return current_user.items
+
+
+@router.post("/users/{user_id}/items/", response_model=Item)
+def create_item_for_user(
+        user_id: str, item: ItemCreate, db: Session = Depends(get_db)
+):
+    return create_user_item(db=db, item=item, user_id=user_id)
+
+
+@router.get("/items/", response_model=List[Item])
+def read_items(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
+    items = get_items(db, skip=skip, limit=limit)
+    return items

api/routes/users.py

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+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+
+from crud.users import get_users, get_user
+from deps import get_current_active_user, get_db
+from schemas.users import User
+
+router = APIRouter()
+
+
+@router.get("/users/me/", response_model=User)
+async def read_users_me(current_user: User = Depends(get_current_active_user)):
+    return current_user
+
+
+@router.get("/users/", response_model=list[User])
+def read_users(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
+    users = get_users(db, skip=skip, limit=limit)
+    return users
+
+
+@router.get("/users/{user_id}", response_model=User)
+def read_user(user_id: str, db: Session = Depends(get_db)):
+    db_user = get_user(db, user_id=user_id)
+    if db_user is None:
+        raise HTTPException(status_code=404, detail="User not found")
+    return db_user