Merge branch 'feat/workflow-backend' into deploy/dev

api/core/workflow/entities/variable_pool.py

@@ -86,6 +86,6 @@ def get_variable_value(self, variable_selector: list[str],
                                        ValueType.ARRAY_OBJECT,
                                        ValueType.ARRAY_FILE]:
                 if not isinstance(value, list):
-                    raise ValueError('Invalid value type: array')
+                    raise ValueError(f'Invalid value type: {target_value_type.value}')
 
         return value

api/core/workflow/nodes/if_else/entities.py

@@ -0,0 +1,26 @@
+from typing import Literal, Optional
+
+from pydantic import BaseModel
+
+from core.workflow.entities.base_node_data_entities import BaseNodeData
+
+
+class IfElseNodeData(BaseNodeData):
+    """
+    Answer Node Data.
+    """
+    class Condition(BaseModel):
+        """
+        Condition entity
+        """
+        variable_selector: list[str]
+        comparison_operator: Literal[
+            # for string or array
+            "contains", "not contains", "start with", "end with", "is", "is not", "empty", "not empty",
+            # for number
+            "=", "≠", ">", "<", "≥", "≤", "null", "not null"
+        ]
+        value: Optional[str] = None
+
+    logical_operator: Literal["and", "or"] = "and"
+    conditions: list[Condition]