fix: store memory_blocks in correct field

api/controllers/console/app/workflow.py

@@ -103,6 +103,7 @@ class DraftWorkflowApi(Resource):
                 "hash": fields.String(description="Workflow hash for validation"),
                 "environment_variables": fields.List(fields.Raw, required=True, description="Environment variables"),
                 "conversation_variables": fields.List(fields.Raw, description="Conversation variables"),
+                "memory_blocks": fields.List(fields.Raw, description="Memory blocks"),
             },
         )
     )
@@ -127,6 +128,7 @@ class DraftWorkflowApi(Resource):
             parser.add_argument("hash", type=str, required=False, location="json")
             parser.add_argument("environment_variables", type=list, required=True, location="json")
             parser.add_argument("conversation_variables", type=list, required=False, location="json")
+            parser.add_argument("memory_blocks", type=list, required=False, location="json")
             args = parser.parse_args()
         elif "text/plain" in content_type:
             try:
@@ -143,6 +145,7 @@ class DraftWorkflowApi(Resource):
                     "hash": data.get("hash"),
                     "environment_variables": data.get("environment_variables"),
                     "conversation_variables": data.get("conversation_variables"),
+                    "memory_blocks": data.get("memory_blocks"),
                 }
             except json.JSONDecodeError:
                 return {"message": "Invalid JSON data"}, 400
@@ -163,6 +166,11 @@ class DraftWorkflowApi(Resource):
             conversation_variables = [
                 variable_factory.build_conversation_variable_from_mapping(obj) for obj in conversation_variables_list
             ]
+            memory_blocks_list = args.get("memory_blocks") or []
+            from core.memory.entities import MemoryBlockSpec
+            memory_blocks = [
+                MemoryBlockSpec.model_validate(obj) for obj in memory_blocks_list
+            ]
             workflow = workflow_service.sync_draft_workflow(
                 app_model=app_model,
                 graph=args["graph"],
@@ -171,6 +179,7 @@ class DraftWorkflowApi(Resource):
                 account=current_user,
                 environment_variables=environment_variables,
                 conversation_variables=conversation_variables,
+                memory_blocks=memory_blocks,
             )
         except WorkflowHashNotEqualError:
             raise DraftWorkflowNotSync()

api/models/workflow.py

@@ -156,6 +156,9 @@ class Workflow(Base):
     _rag_pipeline_variables: Mapped[str] = mapped_column(
         "rag_pipeline_variables", db.Text, nullable=False, server_default="{}"
     )
+    _memory_blocks: Mapped[str] = mapped_column(
+        "memory_blocks", sa.Text, nullable=False, server_default="[]"
+    )
 
     VERSION_DRAFT = "draft"
 
@@ -173,6 +176,7 @@ class Workflow(Base):
         environment_variables: Sequence[Variable],
         conversation_variables: Sequence[Variable],
         rag_pipeline_variables: list[dict],
+        memory_blocks: Sequence[MemoryBlockSpec] | None = None,
         marked_name: str = "",
         marked_comment: str = "",
     ) -> "Workflow":
@@ -188,6 +192,7 @@ class Workflow(Base):
         workflow.environment_variables = environment_variables or []
         workflow.conversation_variables = conversation_variables or []
         workflow.rag_pipeline_variables = rag_pipeline_variables or []
+        workflow.memory_blocks = memory_blocks or []
         workflow.marked_name = marked_name
         workflow.marked_comment = marked_comment
         workflow.created_at = naive_utc_now()
@@ -447,6 +452,7 @@ class Workflow(Base):
             "features": self.features_dict,
             "environment_variables": [var.model_dump(mode="json") for var in environment_variables],
             "conversation_variables": [var.model_dump(mode="json") for var in self.conversation_variables],
+            "memory_blocks": [block.model_dump(mode="json") for block in self.memory_blocks],
         }
         return result
 
@@ -486,15 +492,25 @@ class Workflow(Base):
 
     @property
     def memory_blocks(self) -> Sequence[MemoryBlockSpec]:
-        """Memory blocks configuration from graph"""
+        """Memory blocks configuration stored in database"""
+        if self._memory_blocks is None or self._memory_blocks == "":
+            self._memory_blocks = "[]"
 
-        if not self.graph_dict:
-            return []
-
-        memory_blocks_config = self.graph_dict.get('memory_blocks', [])
-        results = [MemoryBlockSpec.model_validate(config) for config in memory_blocks_config]
+        memory_blocks_list: list[dict[str, Any]] = json.loads(self._memory_blocks)
+        results = [MemoryBlockSpec.model_validate(config) for config in memory_blocks_list]
         return results
 
+    @memory_blocks.setter
+    def memory_blocks(self, value: Sequence[MemoryBlockSpec]):
+        if not value:
+            self._memory_blocks = "[]"
+            return
+
+        self._memory_blocks = json.dumps(
+            [block.model_dump() for block in value],
+            ensure_ascii=False,
+        )
+
     @staticmethod
     def version_from_datetime(d: datetime) -> str:
         return str(d)

api/services/workflow_service.py

@@ -11,7 +11,7 @@ from core.app.app_config.entities import VariableEntityType
 from core.app.apps.advanced_chat.app_config_manager import AdvancedChatAppConfigManager
 from core.app.apps.workflow.app_config_manager import WorkflowAppConfigManager
 from core.file import File
-from core.memory.entities import MemoryCreatedBy, MemoryScope
+from core.memory.entities import MemoryCreatedBy, MemoryScope, MemoryBlockSpec
 from core.repositories import DifyCoreRepositoryFactory
 from core.variables import Variable
 from core.variables.variables import VariableUnion
@@ -197,6 +197,7 @@ class WorkflowService:
         account: Account,
         environment_variables: Sequence[Variable],
         conversation_variables: Sequence[Variable],
+        memory_blocks: Sequence[MemoryBlockSpec] | None = None,
     ) -> Workflow:
         """
         Sync draft workflow
@@ -224,6 +225,7 @@ class WorkflowService:
                 environment_variables=environment_variables,
                 conversation_variables=conversation_variables,
             )
+            workflow.memory_blocks = memory_blocks or []
             db.session.add(workflow)
         # update draft workflow if found
         else:
@@ -233,6 +235,7 @@ class WorkflowService:
             workflow.updated_at = naive_utc_now()
             workflow.environment_variables = environment_variables
             workflow.conversation_variables = conversation_variables
+            workflow.memory_blocks = memory_blocks or []
 
         # commit db session changes
         db.session.commit()
@@ -280,6 +283,7 @@ class WorkflowService:
             marked_name=marked_name,
             marked_comment=marked_comment,
             rag_pipeline_variables=draft_workflow.rag_pipeline_variables,
+            memory_blocks=draft_workflow.memory_blocks,
             features=draft_workflow.features,
         )