mirror of https://github.com/langgenius/dify.git
118 lines
4.6 KiB
Python
118 lines
4.6 KiB
Python
from flask_restx import reqparse
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from controllers.web import api
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from controllers.web.wraps import WebApiResource
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from core.memory.entities import MemoryBlock, MemoryCreatedBy
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from core.workflow.entities.variable_pool import VariablePool
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from models import App, EndUser
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from services.chatflow_memory_service import ChatflowMemoryService
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from services.workflow_service import WorkflowService
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class MemoryListApi(WebApiResource):
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def get(self, app_model: App, end_user: EndUser):
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parser = reqparse.RequestParser()
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parser.add_argument("conversation_id", required=False, type=str | None, default=None)
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parser.add_argument("memory_id", required=False, type=str | None, default=None)
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parser.add_argument("version", required=False, type=int | None, default=None)
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args = parser.parse_args()
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conversation_id: str | None = args.get("conversation_id")
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memory_id = args.get("memory_id")
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version = args.get("version")
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result = ChatflowMemoryService.get_persistent_memories(
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app_model,
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MemoryCreatedBy(end_user_id=end_user.id),
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version
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)
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if conversation_id:
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result = [
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*result,
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*ChatflowMemoryService.get_session_memories(
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app_model,
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MemoryCreatedBy(end_user_id=end_user.id),
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conversation_id,
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version
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)
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]
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if memory_id:
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result = [it for it in result if it.spec.id == memory_id]
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return [it for it in result if it.spec.end_user_visible]
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class MemoryEditApi(WebApiResource):
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def put(self, app_model: App, end_user: EndUser):
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parser = reqparse.RequestParser()
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parser.add_argument('id', type=str, required=True)
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parser.add_argument("conversation_id", type=str | None, required=False, default=None)
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parser.add_argument('node_id', type=str | None, required=False, default=None)
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parser.add_argument('update', type=str, required=True)
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args = parser.parse_args()
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workflow = WorkflowService().get_published_workflow(app_model)
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update = args.get("update")
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conversation_id = args.get("conversation_id")
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node_id = args.get("node_id")
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if not isinstance(update, str):
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return {'error': 'Update must be a string'}, 400
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if not workflow:
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return {'error': 'Workflow not found'}, 404
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memory_spec = next((it for it in workflow.memory_blocks if it.id == args['id']), None)
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if not memory_spec:
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return {'error': 'Memory not found'}, 404
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if not memory_spec.end_user_editable:
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return {'error': 'Memory not editable'}, 403
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# First get existing memory
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existing_memory = ChatflowMemoryService.get_memory_by_spec(
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spec=memory_spec,
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tenant_id=app_model.tenant_id,
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app_id=app_model.id,
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created_by=MemoryCreatedBy(end_user_id=end_user.id),
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conversation_id=conversation_id,
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node_id=node_id,
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is_draft=False
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)
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# Create updated memory instance with incremented version
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updated_memory = MemoryBlock(
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spec=existing_memory.spec,
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tenant_id=existing_memory.tenant_id,
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app_id=existing_memory.app_id,
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conversation_id=existing_memory.conversation_id,
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node_id=existing_memory.node_id,
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value=update, # New value
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version=existing_memory.version + 1, # Increment version for update
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edited_by_user=True,
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created_by=existing_memory.created_by,
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)
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ChatflowMemoryService.save_memory(updated_memory, VariablePool(), False)
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return '', 204
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class MemoryDeleteApi(WebApiResource):
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def delete(self, app_model: App, end_user: EndUser):
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parser = reqparse.RequestParser()
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parser.add_argument('id', type=str, required=False, default=None)
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args = parser.parse_args()
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memory_id = args.get('id')
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if memory_id:
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ChatflowMemoryService.delete_memory(
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app_model,
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memory_id,
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MemoryCreatedBy(end_user_id=end_user.id)
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)
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return '', 204
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else:
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ChatflowMemoryService.delete_all_user_memories(
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app_model,
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MemoryCreatedBy(end_user_id=end_user.id)
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)
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return '', 200
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api.add_resource(MemoryListApi, '/memories')
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api.add_resource(MemoryEditApi, '/memory-edit')
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api.add_resource(MemoryDeleteApi, '/memories')
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