feat: first commit, auth

repositories/users.py

@@ -0,0 +1,41 @@
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from db.models import User
+
+
+class UserRepository:
+    def __init__(self, session: AsyncSession) -> None:
+        self.session = session
+
+    async def get_user_by_id(self, id: int) -> User | None:
+        stmt = select(User).where(User.id == id)
+        res = await self.session.execute(stmt)
+        return res.scalar_one_or_none()
+
+    async def get_user_by_telegram_id(self, telegram_id: int) -> User | None:
+        stmt = select(User).where(User.telegram_id == telegram_id)
+        res = await self.session.execute(stmt)
+        return res.scalar_one_or_none()
+
+    async def get_user_by_username(self, username: str) -> User | None:
+        stmt = select(User).where(User.username == username)
+        res = await self.session.execute(stmt)
+        return res.scalar_one_or_none()
+
+    async def create(
+        self,
+        *,
+        username: str | None = None,
+        hashed_password: str | None = None,
+        telegram_id: int | None = None,
+    ) -> User:
+        obj = User(
+            username=username,
+            hashed_password=hashed_password,
+            telegram_id=telegram_id,
+        )
+        self.session.add(obj)
+        await self.session.commit()
+
+        return obj