init commit

app/db/repositories/user.py

@@ -0,0 +1,38 @@
+"""User repository"""
+
+from typing import Optional
+from sqlalchemy.orm import Session
+from app.db.models import User
+from app.db.repositories.base import BaseRepository
+
+
+class UserRepository(BaseRepository[User]):
+    """User data access operations"""
+
+    def __init__(self, session: Session):
+        super().__init__(session, User)
+
+    def get_by_telegram_id(self, telegram_id: int) -> Optional[User]:
+        """Get user by Telegram ID"""
+        return self.session.query(User).filter(User.telegram_id == telegram_id).first()
+
+    def get_by_username(self, username: str) -> Optional[User]:
+        """Get user by username"""
+        return self.session.query(User).filter(User.username == username).first()
+
+    def get_or_create(self, telegram_id: int, **kwargs) -> User:
+        """Get user or create if doesn't exist"""
+        user = self.get_by_telegram_id(telegram_id)
+        if not user:
+            user = self.create(telegram_id=telegram_id, **kwargs)
+        return user
+
+    def update_activity(self, telegram_id: int) -> Optional[User]:
+        """Update user's last activity timestamp"""
+        from datetime import datetime
+        user = self.get_by_telegram_id(telegram_id)
+        if user:
+            user.last_activity = datetime.utcnow()
+            self.session.commit()
+            self.session.refresh(user)
+        return user