first commit

app/api/users.py

@@ -0,0 +1,46 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.db.session import get_session
+from app.models.user import User
+from app.schemas.user import UserPreferencesUpdate, UserRead, UserUpsert
+
+router = APIRouter(prefix="/users", tags=["users"])
+
+
+@router.post("", response_model=UserRead)
+async def upsert_user(payload: UserUpsert, session: AsyncSession = Depends(get_session)) -> User:
+    result = await session.execute(select(User).where(User.telegram_id == payload.telegram_id))
+    user = result.scalar_one_or_none()
+    if user is None:
+        user = User(**payload.model_dump(exclude_none=True))
+        session.add(user)
+    else:
+        for field, value in payload.model_dump(exclude_none=True).items():
+            setattr(user, field, value)
+    await session.commit()
+    await session.refresh(user)
+    return user
+
+
+@router.get("/telegram/{telegram_id}", response_model=UserRead)
+async def get_user_by_telegram_id(
+    telegram_id: int, session: AsyncSession = Depends(get_session)
+) -> User:
+    result = await session.execute(select(User).where(User.telegram_id == telegram_id))
+    return result.scalar_one()
+
+
+@router.patch("/{user_id}/preferences", response_model=UserRead)
+async def update_preferences(
+    user_id: int, payload: UserPreferencesUpdate, session: AsyncSession = Depends(get_session)
+) -> User:
+    user = await session.get(User, user_id)
+    if user is None:
+        raise HTTPException(status_code=404, detail="User not found")
+    for field, value in payload.model_dump(exclude_none=True).items():
+        setattr(user, field, value)
+    await session.commit()
+    await session.refresh(user)
+    return user