r2

api/models/workflow.py

@@ -130,6 +130,9 @@ class Workflow(Base):
     _conversation_variables: Mapped[str] = mapped_column(
         "conversation_variables", db.Text, nullable=False, server_default="{}"
     )
+    _pipeline_variables: Mapped[str] = mapped_column(
+        "conversation_variables", db.Text, nullable=False, server_default="{}"
+    )
 
     @classmethod
     def new(
@@ -343,6 +346,24 @@ class Workflow(Base):
             ensure_ascii=False,
         )
 
+    @property
+    def pipeline_variables(self) -> dict[str, Sequence[Variable]]:
+        # TODO: find some way to init `self._conversation_variables` when instance created.
+        if self._pipeline_variables is None:
+            self._pipeline_variables = "{}"
+
+        variables_dict: dict[str, Any] = json.loads(self._pipeline_variables)
+        results = {}
+        for k, v in variables_dict.items():
+            results[k] = [variable_factory.build_pipeline_variable_from_mapping(item) for item in v.values()]
+        return results
+
+    @pipeline_variables.setter
+    def pipeline_variables(self, values: dict[str, Sequence[Variable]]) -> None:
+        self._pipeline_variables = json.dumps(
+            {k: {item.name: item.model_dump() for item in v} for k, v in values.items()},
+            ensure_ascii=False,
+        )
 
 class WorkflowRunStatus(StrEnum):
     """