dify

dify/api/services/errors/app.py

@@ -0,0 +1,46 @@
+class MoreLikeThisDisabledError(Exception):
+    pass
+
+
+class WorkflowHashNotEqualError(Exception):
+    pass
+
+
+class IsDraftWorkflowError(Exception):
+    pass
+
+
+class WorkflowNotFoundError(Exception):
+    pass
+
+
+class WorkflowIdFormatError(Exception):
+    pass
+
+
+class InvokeRateLimitError(Exception):
+    """Raised when rate limit is exceeded for workflow invocations."""
+
+    pass
+
+
+class QuotaExceededError(ValueError):
+    """Raised when billing quota is exceeded for a feature."""
+
+    def __init__(self, feature: str, tenant_id: str, required: int):
+        self.feature = feature
+        self.tenant_id = tenant_id
+        self.required = required
+        super().__init__(f"Quota exceeded for feature '{feature}' (tenant: {tenant_id}). Required: {required}")
+
+
+class TriggerNodeLimitExceededError(ValueError):
+    """Raised when trigger node count exceeds the plan limit."""
+
+    def __init__(self, count: int, limit: int):
+        self.count = count
+        self.limit = limit
+        super().__init__(
+            f"Trigger node count ({count}) exceeds the limit ({limit}) for your subscription plan. "
+            f"Please upgrade your plan or reduce the number of trigger nodes."
+        )