SaaS: batch upload limit check for sandbox plan (#17264)

api/services/dataset_service.py

                         website_info = knowledge_config.data_source.info_list.website_info_list
                         count = len(website_info.urls)  # type: ignore
                     batch_upload_limit = int(dify_config.BATCH_UPLOAD_LIMIT)
+
+                    if features.billing.subscription.plan == "sandbox" and count > 1:
+                        raise ValueError("Your current plan does not support batch upload, please upgrade your plan.")
                     if count > batch_upload_limit:
                         raise ValueError(f"You have reached the batch upload limit of {batch_upload_limit}.")
 
                 website_info = knowledge_config.data_source.info_list.website_info_list  # type: ignore
                 if website_info:
                     count = len(website_info.urls)
+            if features.billing.subscription.plan == "sandbox" and count > 1:
+                raise ValueError("Your current plan does not support batch upload, please upgrade your plan.")
             batch_upload_limit = int(dify_config.BATCH_UPLOAD_LIMIT)
             if count > batch_upload_limit:
                 raise ValueError(f"You have reached the batch upload limit of {batch_upload_limit}.")

api/tasks/document_indexing_task.py

             vector_space = features.vector_space
             count = len(document_ids)
             batch_upload_limit = int(dify_config.BATCH_UPLOAD_LIMIT)
+            if features.billing.subscription.plan == "sandbox" and count > 1:
+                raise ValueError("Your current plan does not support batch upload, please upgrade your plan.")
             if count > batch_upload_limit:
                 raise ValueError(f"You have reached the batch upload limit of {batch_upload_limit}.")
             if 0 < vector_space.limit <= vector_space.size:

api/tasks/duplicate_document_indexing_task.py

         if features.billing.enabled:
             vector_space = features.vector_space
             count = len(document_ids)
+            if features.billing.subscription.plan == "sandbox" and count > 1:
+                raise ValueError("Your current plan does not support batch upload, please upgrade your plan.")
             batch_upload_limit = int(dify_config.BATCH_UPLOAD_LIMIT)
             if count > batch_upload_limit:
                 raise ValueError(f"You have reached the batch upload limit of {batch_upload_limit}.")