bot rafactor and bugfix

app/services/channels.py

@@ -0,0 +1,93 @@
+"""Сервис для работы с каналами."""
+from typing import List, Optional
+from sqlalchemy import select
+from app.models.channel import Channel, BotChannel
+from app.models.bot import Bot
+from app.db.session import async_session_maker
+
+class ChannelService:
+    """Сервис для работы с каналами."""
+
+    @staticmethod
+    async def get_user_channels(user_id: int) -> List[Channel]:
+        """Получает список каналов пользователя."""
+        async with async_session_maker() as session:
+            stmt = select(Channel).where(Channel.owner_id == user_id)
+            result = await session.execute(stmt)
+            return list(result.scalars().all())
+
+    @staticmethod
+    async def get_channel(channel_id: int) -> Optional[Channel]:
+        """Получает канал по ID."""
+        async with async_session_maker() as session:
+            stmt = select(Channel).where(Channel.id == channel_id)
+            result = await session.execute(stmt)
+            return result.scalars().first()
+
+    @staticmethod
+    async def get_bot_channels(bot_id: int) -> List[Channel]:
+        """Получает список каналов бота."""
+        async with async_session_maker() as session:
+            stmt = select(Channel).where(Channel.bot_id == bot_id)
+            result = await session.execute(stmt)
+            return list(result.scalars().all())
+
+    @staticmethod
+    async def add_channel(
+        owner_id: int, 
+        bot_id: int, 
+        chat_id: int, 
+        title: Optional[str] = None, 
+        username: Optional[str] = None
+    ) -> Channel:
+        """Добавляет новый канал."""
+        async with async_session_maker() as session:
+            channel = Channel(
+                owner_id=owner_id,
+                bot_id=bot_id,
+                chat_id=chat_id,
+                title=title,
+                username=username
+            )
+            session.add(channel)
+            await session.commit()
+            await session.refresh(channel)
+            return channel
+
+    @staticmethod
+    async def update_channel(
+        channel_id: int,
+        title: Optional[str] = None,
+        username: Optional[str] = None
+    ) -> bool:
+        """Обновляет данные канала."""
+        async with async_session_maker() as session:
+            stmt = select(Channel).where(Channel.id == channel_id)
+            result = await session.execute(stmt)
+            channel = result.scalars().first()
+            
+            if not channel:
+                return False
+                
+            if title is not None:
+                channel.title = title
+            if username is not None:
+                channel.username = username
+                
+            await session.commit()
+            return True
+
+    @staticmethod
+    async def delete_channel(channel_id: int) -> bool:
+        """Удаляет канал."""
+        async with async_session_maker() as session:
+            stmt = select(Channel).where(Channel.id == channel_id)
+            result = await session.execute(stmt)
+            channel = result.scalars().first()
+            
+            if not channel:
+                return False
+                
+            await session.delete(channel)
+            await session.commit()
+            return True