feat(ui): add 'Unshare All Shared Chats' button to Shared Chats modal (#25848)

backend/open_webui/models/shared_chats.py

@@ -201,5 +201,15 @@ class SharedChatsTable:
         except Exception:
             return False
 
+    async def delete_all_by_user_id(self, user_id: str, db: Optional[AsyncSession] = None) -> bool:
+        """Delete all shared chats created by a user."""
+        try:
+            async with get_async_db_context(db) as db:
+                await db.execute(delete(SharedChat).filter_by(user_id=user_id))
+                await db.commit()
+                return True
+        except Exception:
+            return False
+
 
 SharedChats = SharedChatsTable()

backend/open_webui/routers/chats.py

@@ -853,10 +853,27 @@ async def unarchive_all_chats(user=Depends(get_verified_user), db: AsyncSession
 
 
 ############################
-# GetSharedChats
+# UnshareAllChats
 ############################
 
 
+@router.delete('/share/all', response_model=bool)
+async def unshare_all_chats(user=Depends(get_verified_user), db: AsyncSession = Depends(get_async_session)):
+    # Collect chat_ids that have shares so we can clear share_id and access grants
+    shared_list = await SharedChats.get_by_user_id(user.id, db=db)
+    chat_ids = [s.chat_id for s in shared_list]
+
+    # Delete all shared_chat rows for this user
+    result = await SharedChats.delete_all_by_user_id(user.id, db=db)
+
+    # Clear share_id on the original chats and remove access grants
+    for chat_id in chat_ids:
+        await Chats.update_chat_share_id_by_id(chat_id, None, db=db)
+        await AccessGrants.set_access_grants('shared_chat', chat_id, [], db=db)
+
+    return result
+
+
 @router.get('/shared', response_model=list[SharedChatResponse])
 async def get_shared_session_user_chat_list(
     page: int | None = None,