feat(controllers): add '/apps/workflow-config'

Signed-off-by: -LAN- <[email protected]>

api/controllers/console/app/workflow.py

@@ -6,6 +6,7 @@
 from werkzeug.exceptions import Forbidden, InternalServerError, NotFound
 
 import services
+from configs import dify_config
 from controllers.console import api
 from controllers.console.app.error import ConversationCompletedError, DraftWorkflowNotExist, DraftWorkflowNotSync
 from controllers.console.app.wraps import get_app_model
@@ -426,6 +427,19 @@ def post(self, app_model: App):
         }
 
 
+class WorkflowConfigApi(Resource):
+    """Resource for workflow configuration."""
+
+    @setup_required
+    @login_required
+    @account_initialization_required
+    def get(self):
+        """Get workflow configuration limits."""
+        return {
+            "parallel_depth_limit": dify_config.WORKFLOW_PARALLEL_DEPTH_LIMIT,
+        }
+
+
 api.add_resource(DraftWorkflowApi, "/apps/<uuid:app_id>/workflows/draft")
 api.add_resource(AdvancedChatDraftWorkflowRunApi, "/apps/<uuid:app_id>/advanced-chat/workflows/draft/run")
 api.add_resource(DraftWorkflowRunApi, "/apps/<uuid:app_id>/workflows/draft/run")
@@ -444,3 +458,4 @@ def post(self, app_model: App):
     DefaultBlockConfigApi, "/apps/<uuid:app_id>/workflows/default-workflow-block-configs/<string:block_type>"
 )
 api.add_resource(ConvertToWorkflowApi, "/apps/<uuid:app_id>/convert-to-workflow")
+api.add_resource(WorkflowConfigApi, "/apps/workflow-config", endpoint="workflow_config")