feat(messages): support forwarding to multiple chats

app/messages/router.py

@@ -5,6 +5,7 @@ from app.auth.service import get_current_user
 from app.database.session import get_db
 from app.messages.schemas import (
     MessageCreateRequest,
+    MessageForwardBulkRequest,
     MessageForwardRequest,
     MessageReactionRead,
     MessageReactionToggleRequest,
@@ -17,6 +18,7 @@ from app.messages.service import (
     delete_message,
     delete_message_for_all,
     forward_message,
+    forward_message_bulk,
     get_messages,
     list_message_reactions,
     search_messages,
@@ -116,6 +118,19 @@ async def forward_message_endpoint(
     return message
 
 
+@router.post("/{message_id}/forward-bulk", response_model=list[MessageRead], status_code=status.HTTP_201_CREATED)
+async def forward_message_bulk_endpoint(
+    message_id: int,
+    payload: MessageForwardBulkRequest,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+) -> list[MessageRead]:
+    messages = await forward_message_bulk(db, source_message_id=message_id, sender_id=current_user.id, payload=payload)
+    for message in messages:
+        await realtime_gateway.publish_message_created(message=message, sender_id=current_user.id)
+    return messages
+
+
 @router.get("/{message_id}/reactions", response_model=list[MessageReactionRead])
 async def list_reactions_endpoint(
     message_id: int,