catch openai rate limit error (#7658)

api/controllers/console/app/completion.py

@@ -17,6 +17,7 @@ from controllers.console.app.error import (
 from controllers.console.app.wraps import get_app_model
 from controllers.console.setup import setup_required
 from controllers.console.wraps import account_initialization_required
+from controllers.web.error import InvokeRateLimitError as InvokeRateLimitHttpError
 from core.app.apps.base_app_queue_manager import AppQueueManager
 from core.app.entities.app_invoke_entities import InvokeFrom
 from core.errors.error import (
@@ -31,6 +32,7 @@ from libs.helper import uuid_value
 from libs.login import login_required
 from models.model import AppMode
 from services.app_generate_service import AppGenerateService
+from services.errors.llm import InvokeRateLimitError
 
 
 # define completion message api for user
@@ -135,6 +137,8 @@ class ChatMessageApi(Resource):
             raise ProviderQuotaExceededError()
         except ModelCurrentlyNotSupportError:
             raise ProviderModelCurrentlyNotSupportError()
+        except InvokeRateLimitError as ex:
+            raise InvokeRateLimitHttpError(ex.description)
         except InvokeError as e:
             raise CompletionRequestError(e.description)
         except (ValueError, AppInvokeQuotaExceededError) as e:

api/controllers/console/app/error.py

@@ -119,3 +119,11 @@ class TracingConfigCheckError(BaseHTTPException):
     error_code = "trace_config_check_error"
     description = "Invalid Credentials."
     code = 400
+
+
+class InvokeRateLimitError(BaseHTTPException):
+    """Raised when the Invoke returns rate limit error."""
+
+    error_code = "rate_limit_error"
+    description = "Rate Limit Error"
+    code = 429