async (not working tbh)

backend/app/db/database.py

@@ -1,4 +1,4 @@
-from sqlalchemy import create_engine
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import sessionmaker
 import os
@@ -9,11 +9,11 @@ POSTGRES_DB = os.environ.get("POSTGRES_DB", "db")
 POSTGRES_HOST = os.environ.get("POSTGRES_HOST", "postgres")
 
 
-SQLALCHEMY_DATABASE_URL = (
+SQLALCHEMY_DATABASE_URL = f"postgresql+asyncpg://{POSTGRES_USER}:{POSTGRES_PASSWORD}@{POSTGRES_HOST}/{POSTGRES_DB}"
-    f"postgresql://{POSTGRES_USER}:{POSTGRES_PASSWORD}@{POSTGRES_HOST}/{POSTGRES_DB}"
+
+engine = create_async_engine(SQLALCHEMY_DATABASE_URL)
+async_session = sessionmaker(
+    autocommit=False, class_=AsyncSession, autoflush=False, bind=engine
 )
 
-engine = create_engine(SQLALCHEMY_DATABASE_URL)
-SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
-
 Base = declarative_base()

backend/app/dependencies.py

@@ -1,9 +1,11 @@
-from .db.database import SessionLocal
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from .db.database import async_session
 
 
-def get_db():
+async def get_db() -> AsyncSession:
-    db = SessionLocal()
+    async with async_session() as session:
-    try:
+        try:
-        yield db
+            yield session
-    finally:
+        finally:
-        db.close()
+            session.close()

backend/app/main.py

@@ -2,7 +2,7 @@ from typing import Union
 from fastapi import FastAPI, Depends
 
 from .db import models
-from .db.database import SessionLocal, engine
+from .db.database import engine
 from .dependencies import get_db
 
 from .views.auth.api import router as auth_router
@@ -10,13 +10,19 @@ from .views.queue.api import router as queue_router
 from .views.news.api import router as news_router
 
 app = FastAPI(dependencies=[Depends(get_db)])
-models.Base.metadata.create_all(bind=engine)
+
 
 app.include_router(queue_router)
 app.include_router(auth_router)
 app.include_router(news_router)
 
 
+@app.on_event("startup")
+async def init_tables():
+    async with engine.begin() as conn:
+        await conn.run_sync(models.Base.metadata.create_all)
+
+
 @app.get("/")
 async def read_root():
     return {"message": "OK"}

backend/app/views/auth/api.py

@@ -27,7 +27,7 @@ async def login_for_access_token(
     form_data: Annotated[OAuth2PasswordRequestForm, Depends()],
     db: Annotated[Session, Depends(get_db)],
 ) -> schemas.Token:
-    user = services.authenticate_user(db, form_data.username, form_data.password)
+    user = await services.authenticate_user(db, form_data.username, form_data.password)
     if not user:
         raise HTTPException(
             status_code=status.HTTP_409_CONFLICT,
@@ -46,7 +46,7 @@ async def register(
     user_data: schemas.UserRegister,
     db: Annotated[Session, Depends(get_db)],
 ) -> schemas.User:
-    user = services.get_user_by_username(db, user_data.username)
+    user = await services.get_user_by_username(db, user_data.username)
     if user:
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
@@ -59,7 +59,7 @@ async def register(
             detail="Passwords do not match",
             headers={"WWW-Authenticate": "Bearer"},
         )
-    user = services.create_user(db=db, user_data=user_data)
+    user = await services.create_user(db=db, user_data=user_data)
     return user
 
 

backend/app/views/auth/schemas.py

@@ -27,3 +27,11 @@ class Token(BaseModel):
 
 class TokenData(BaseModel):
     username: Union[str, None] = None
+
+
+class AnonUser(BaseModel):
+    id: UUID
+    name: str
+
+    class Config:
+        from_attributes = True

backend/app/views/auth/services.py

@@ -1,6 +1,9 @@
-from fastapi import status, HTTPException, Depends
+from fastapi import status, HTTPException, Depends, Header
 from fastapi.security import OAuth2PasswordBearer
-from sqlalchemy.orm import Session
+
+# from sqlalchemy.orm import Session
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy.future import select
 from jose import JWTError, jwt
 from typing import Annotated, Union
 from datetime import datetime, timezone, timedelta
@@ -24,16 +27,18 @@ def get_password_hash(password) -> str:
     return pwd_context.hash(password)
 
 
-def get_user_by_id(db: Session, user_id: uuid.uuid4) -> models.User:
+async def get_user_by_id(db: AsyncSession, user_id: uuid.uuid4) -> models.User:
-    return db.query(models.User).filter(models.User.id == user_id).first()
+    u = await db.execute(select(models.User).filter(models.User.id == user_id))
+    return u.scalar_one_or_none()
 
 
-def get_user_by_username(db: Session, username: int) -> models.User:
+async def get_user_by_username(db: AsyncSession, username: int) -> models.User:
-    return db.query(models.User).filter(models.User.username == username).first()
+    u = await db.execute(select(models.User).filter(models.User.username == username))
+    return u.scalar_one_or_none()
 
 
-def authenticate_user(db: Session, username: str, password: str):
+async def authenticate_user(db: AsyncSession, username: str, password: str):
-    user = get_user_by_username(db, username)
+    user = await get_user_by_username(db, username)
     if not user:
         return False
     if not verify_password(password, user.hashed_password):
@@ -54,20 +59,22 @@ def create_access_token(data: dict, expires_delta: Union[timedelta, None] = None
     return encoded_jwt
 
 
-def create_user(db: Session, user_data: schemas.UserRegister) -> schemas.UserInDB:
+async def create_user(
+    db: AsyncSession, user_data: schemas.UserRegister
+) -> schemas.UserInDB:
     user = models.User(
         username=user_data.username,
         name=user_data.name,
         hashed_password=get_password_hash(user_data.password),
     )
     db.add(user)
-    db.commit()
+    await db.commit()
     return schemas.UserInDB.model_validate(user)
 
 
 async def get_current_user(
     token: Annotated[str, Depends(oauth2_scheme)],
-    db: Annotated[Session, Depends(get_db)],
+    db: Annotated[AsyncSession, Depends(get_db)],
 ) -> schemas.UserInDB:
     credentials_exception = HTTPException(
         status_code=status.HTTP_401_UNAUTHORIZED,
@@ -84,7 +91,7 @@ async def get_current_user(
         token_data = schemas.TokenData(username=username)
     except JWTError:
         raise credentials_exception
-    user = get_user_by_username(db, username=token_data.username)
+    user = await get_user_by_username(db, username=token_data.username)
     if user is None:
         raise credentials_exception
     return user
@@ -92,7 +99,7 @@ async def get_current_user(
 
 async def get_current_user_or_none(
     token: Annotated[str, Depends(oauth2_scheme)],
-    db: Annotated[Session, Depends(get_db)],
+    db: Annotated[AsyncSession, Depends(get_db)],
 ) -> Union[schemas.UserInDB, None]:
     try:
         payload = jwt.decode(
@@ -104,7 +111,7 @@ async def get_current_user_or_none(
         token_data = schemas.TokenData(username=username)
     except JWTError:
         return None
-    user = get_user_by_username(db, username=token_data.username)
+    user = await get_user_by_username(db, username=token_data.username)
     return user
 
 
@@ -114,3 +121,24 @@ async def get_current_active_user(
     if not current_user.is_active:
         raise HTTPException(status_code=400, detail="Inactive user")
     return current_user
+
+
+async def create_anon_user(
+    db: Annotated[AsyncSession, Depends(get_db)]
+) -> schemas.AnonUser:
+    u = models.AnonymousUser()
+    db.add(u)
+    await db.commit()
+    return schemas.AnonUser.model_validate(u)
+
+
+async def get_anon_user(
+    db: Annotated[AsyncSession, Depends(get_db)],
+    device_id: Annotated[Union[str, None], Header()] = None,
+) -> schemas.AnonUser:
+    if device_id:
+        u = await db.execute(
+            select(models.AnonymousUser).filter(models.AnonymousUser.id == device_id)
+        )
+        return schemas.AnonUser.model_validate(u.scalar_one_or_none())
+    return await create_anon_user(db)

backend/app/views/news/api.py

@@ -39,7 +39,8 @@ async def create_news(
     current_user: Annotated[auth_schemas.User, Depends(auth_services.get_current_user)],
     db: Annotated[Session, Depends(get_db)],
 ) -> schemas.NewsInDb:
-    return services.create_news(news=news, current_user=current_user, db=db)
+    n = await services.create_news(news=news, current_user=current_user, db=db)
+    return n
 
 
 @router.post("/{news_id}/tap")

backend/app/views/news/services.py

@@ -1,6 +1,7 @@
 from fastapi import Depends, HTTPException, status
 from typing import Annotated
-from sqlalchemy.orm import Session
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy.future import select
 from uuid import UUID
 
 from ...dependencies import get_db
@@ -12,24 +13,23 @@ from ..auth import schemas as auth_schemas
 from . import schemas
 
 
-def get_news(
+async def get_news(
-    db: Annotated[Session, Depends(get_db)],
+    db: Annotated[AsyncSession, Depends(get_db)],
 ) -> list[schemas.NewsInDb]:
-    return [
+    news = await db.execute(select(models.News).order_by(models.News.created.desc()))
-        schemas.NewsInDb.model_validate(n)
+    return [schemas.NewsInDb.model_validate(n) for n in news.scalars().all()]
-        for n in db.query(models.News).order_by(models.News.created.desc()).all()
-    ]
 
 
-def create_news(
+async def create_news(
     news: schemas.CreateNews,
     current_user: auth_schemas.UserInDB,
-    db: Session,
+    db: AsyncSession,
 ) -> schemas.NewsInDb:
     if current_user.username == "admin":
         n = models.News(title=news.title, content=news.content)
         db.add(n)
-        db.commit()
+        await db.commit()
+        print(f"\n\n{n.title}\n\n", flush=True)
         return schemas.NewsInDb.model_validate(n)
     raise HTTPException(
         status_code=status.HTTP_401_UNAUTHORIZED,
@@ -38,7 +38,7 @@ def create_news(
     )
 
 
-def tap_news(news_id: UUID, db: Session):
+async def tap_news(news_id: UUID, db: AsyncSession):
     n = db.query(models.News).filter(models.News.id == news_id).first()
     if n:
         setattr(n, "taps", n.taps + 1)

backend/app/views/queue/services.py

@@ -12,13 +12,13 @@ from ..auth import schemas as auth_schemas
 from . import schemas
 
 
-def get_user_queues(
+async def get_user_queues(
     current_user: Annotated[auth_schemas.User, Depends(auth_services.get_current_user)]
 ) -> list[schemas.QueueInDb]:
     return [schemas.QueueInDb.model_validate(q) for q in current_user.owns_queues]
 
 
-def create_queue(
+async def create_queue(
     new_queue: schemas.Queue,
     current_user: auth_schemas.UserInDB,
     db: Session,
@@ -31,7 +31,7 @@ def create_queue(
     return schemas.QueueInDb.model_validate(q)
 
 
-def get_detailed_queue(
+async def get_detailed_queue(
     queue_id: UUID,
     db: Annotated[Session, Depends(get_db)],
 ) -> schemas.QueueDetail:

backend/requirements.txt

@@ -2,6 +2,6 @@ fastapi[all]
 uvicorn
 pydantic
 sqlalchemy
-psycopg2-binary
+asyncpg
 python-jose[cryptography]
-passlib[all]
+passlib[all]

frontend/app/rsbuild.config.ts

@@ -8,7 +8,7 @@ export default defineConfig({
     port: 3000,
   },
   html: {
-    favicon: "./static/favicon-32x32.png",
+    favicon: "./static/android-chrome-512x512.png",
     title: "queueful!",
     template: "./static/index.html",
   },