feat: creatives and external channels

src/domain/error.py

@@ -3,5 +3,58 @@ import uuid
 from fastapi import HTTPException, status
 
 
-def UserNotFound(user_id: uuid.UUID) -> HTTPException:
+def UserNotFound(user_id: uuid.UUID | None = None) -> HTTPException:
+    if user_id is None:
+        return HTTPException(status.HTTP_404_NOT_FOUND, 'User not found')
     return HTTPException(status.HTTP_404_NOT_FOUND, f'User {user_id} not found')
+
+
+def LoginTokenNotFound() -> HTTPException:
+    return HTTPException(status.HTTP_404_NOT_FOUND, 'Login token not found')
+
+
+def LoginTokenExpired() -> HTTPException:
+    return HTTPException(status.HTTP_400_BAD_REQUEST, 'Login token has expired')
+
+
+def LoginTokenAlreadyUsed() -> HTTPException:
+    return HTTPException(status.HTTP_400_BAD_REQUEST, 'Login token has already been used')
+
+
+def TargetChannelNotFound(channel_id: uuid.UUID | None = None) -> HTTPException:
+    if channel_id is None:
+        return HTTPException(status.HTTP_404_NOT_FOUND, 'Target channel not found')
+    return HTTPException(status.HTTP_404_NOT_FOUND, f'Target channel {channel_id} not found')
+
+
+def ChannelAlreadyExists(telegram_id: int) -> HTTPException:
+    return HTTPException(status.HTTP_409_CONFLICT, f'Channel {telegram_id} already exists in the system')
+
+
+def ChannelNoAdminRights() -> HTTPException:
+    return HTTPException(
+        status.HTTP_403_FORBIDDEN, 'Bot must be added as administrator with invite link creation rights'
+    )
+
+
+def ExternalChannelNotFound(channel_id: uuid.UUID | None = None) -> HTTPException:
+    if channel_id is None:
+        return HTTPException(status.HTTP_404_NOT_FOUND, 'External channel not found')
+    return HTTPException(status.HTTP_404_NOT_FOUND, f'External channel {channel_id} not found')
+
+
+def ExternalChannelAlreadyExists(telegram_id: int) -> HTTPException:
+    return HTTPException(status.HTTP_409_CONFLICT, f'External channel {telegram_id} already exists')
+
+
+def CreativeNotFound(creative_id: uuid.UUID | None = None) -> HTTPException:
+    if creative_id is None:
+        return HTTPException(status.HTTP_404_NOT_FOUND, 'Creative not found')
+    return HTTPException(status.HTTP_404_NOT_FOUND, f'Creative {creative_id} not found')
+
+
+def CreativeInUse(creative_id: uuid.UUID) -> HTTPException:
+    return HTTPException(
+        status.HTTP_400_BAD_REQUEST,
+        f'Creative {creative_id} is used in active purchases and cannot be deleted',
+    )