adai/MemoryBear
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat(workflow): add memory read and write node (#24)

Browse Source
This commit is contained in:
Eternity
2026-01-05 15:57:04 +08:00
committed by GitHub
parent ab0e465760
commit 78207aca34
8 changed files with 240 additions and 120 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
api/app/controllers/app_controller.py
View File

@@ -75,6 +75,7 @@ def list_apps(
meta = PageMeta(page=page, pagesize=pagesize, total=total, hasnext=(page * pagesize) < total)
return success(data=PageData(page=meta, items=items))
@router.get("/{app_id}", summary="获取应用详情")
@cur_workspace_access_guard()
def get_app(
@@ -337,6 +338,7 @@ def list_app_shares(
data = [app_schema.AppShare.model_validate(s) for s in shares]
return success(data=data)
@router.post("/{app_id}/draft/run", summary="试运行 Agent（使用当前草稿配置）")
@cur_workspace_access_guard()
async def draft_run(
@@ -374,7 +376,6 @@ async def draft_run(
if knowledge:
user_rag_memory_id = str(knowledge.id)
# 提前验证和准备（在流式响应开始前完成）
from app.services.app_service import AppService
from app.services.multi_agent_service import MultiAgentService
@@ -424,7 +425,6 @@ async def draft_run(
if payload.stream:
async def event_generator():
async for event in draft_service.run_stream(
agent_config=agent_cfg,
model_config=model_config,
@@ -643,7 +643,6 @@ async def draft_run(
)
@router.post("/{app_id}/draft/run/compare", summary="多模型对比试运行")
@cur_workspace_access_guard()
async def draft_run_compare(
@@ -822,6 +821,7 @@ async def get_workflow_config(
# 配置总是存在（不存在时返回默认模板）
return success(data=WorkflowConfigSchema.model_validate(cfg))
@router.put("/{app_id}/workflow", summary="更新 Workflow 配置")
@cur_workspace_access_guard()
async def update_workflow_config(
@@ -833,4 +833,3 @@ async def update_workflow_config(
workspace_id = current_user.current_workspace_id
cfg = app_service.update_workflow_config(db, app_id=app_id, data=payload, workspace_id=workspace_id)
return success(data=WorkflowConfigSchema.model_validate(cfg))

7
api/app/core/workflow/nodes/configs.py
View File

@@ -22,6 +22,7 @@ from app.core.workflow.nodes.variable_aggregator.config import VariableAggregato
from app.core.workflow.nodes.parameter_extractor.config import ParameterExtractorNodeConfig
from app.core.workflow.nodes.question_classifier.config import QuestionClassifierNodeConfig
from app.core.workflow.nodes.tool.config import ToolNodeConfig
from app.core.workflow.nodes.memory.config import MemoryReadNodeConfig, MemoryWriteNodeConfig
from app.core.workflow.nodes.cycle_graph.config import LoopNodeConfig, IterationNodeConfig
__all__ = [
@@ -45,6 +46,8 @@ __all__ = [
"ParameterExtractorNodeConfig",
"LoopNodeConfig",
"IterationNodeConfig",
"QuestionClassifierNodeConfig"
"ToolNodeConfig"
"QuestionClassifierNodeConfig",
"ToolNodeConfig",
"MemoryReadNodeConfig",
"MemoryWriteNodeConfig"
]

2
api/app/core/workflow/nodes/enums.py
View File

@@ -22,6 +22,8 @@ class NodeType(StrEnum):
ITERATION = "iteration"
CYCLE_START = "cycle-start"
BREAK = "break"
MEMORY_READ = "memory-read"
MEMORY_WRITE = "memory-write"
class ComparisonOperator(StrEnum):

4
api/app/core/workflow/nodes/memory/__init__.py Normal file
View File

@@ -0,0 +1,4 @@
from app.core.workflow.nodes.memory.config import MemoryReadNodeConfig, MemoryWriteNodeConfig
from app.core.workflow.nodes.memory.node import MemoryReadNode, MemoryWriteNode
__all__ = ["MemoryReadNodeConfig", "MemoryReadNode", "MemoryWriteNodeConfig", "MemoryWriteNode"]

31
api/app/core/workflow/nodes/memory/config.py Normal file
View File

@@ -0,0 +1,31 @@
import uuid
from pydantic import Field
from typing import Literal
from app.core.workflow.nodes.base_config import BaseNodeConfig
class MemoryReadNodeConfig(BaseNodeConfig):
message: str = Field(
...
)
config_id: str = Field(
...
)
search_switch: str = Field(
"0",
description="Search mode: 0=verify, 1=direct, 2=context"
)
class MemoryWriteNodeConfig(BaseNodeConfig):
message: str = Field(
...
)
config_id: str = Field(
...
)

59
api/app/core/workflow/nodes/memory/node.py Normal file
View File

@@ -0,0 +1,59 @@
from typing import Any
from app.core.workflow.nodes import WorkflowState
from app.core.workflow.nodes.base_node import BaseNode
from app.core.workflow.nodes.memory.config import MemoryReadNodeConfig, MemoryWriteNodeConfig
from app.db import get_db_read, get_db_context
from app.services.memory_agent_service import MemoryAgentService
class MemoryReadNode(BaseNode):
def __init__(self, node_config: dict[str, Any], workflow_config: dict[str, Any]):
super().__init__(node_config, workflow_config)
self.typed_config = MemoryReadNodeConfig(**self.config)
async def execute(self, state: WorkflowState) -> Any:
with get_db_read() as db:
workspace_id = self.get_variable('sys.workspace_id', state)
end_user_id = self.get_variable("sys.user_id", state)
if not workspace_id:
raise RuntimeError("Workspace id is required")
if not end_user_id:
raise RuntimeError("End user id is required")
return await MemoryAgentService().read_memory(
group_id=end_user_id,
message=self.typed_config.message,
config_id=self.typed_config.config_id,
search_switch=self.typed_config.search_switch,
history=[],
db=db,
storage_type="neo4j",
user_rag_memory_id=""
)
class MemoryWriteNode(BaseNode):
def __init__(self, node_config: dict[str, Any], workflow_config: dict[str, Any]):
super().__init__(node_config, workflow_config)
self.typed_config = MemoryWriteNodeConfig(**self.config)
async def execute(self, state: WorkflowState) -> Any:
with get_db_context() as db:
workspace_id = self.get_variable('sys.workspace_id', state)
end_user_id = self.get_variable("sys.user_id", state)
if not workspace_id:
raise RuntimeError("Workspace id is required")
if not end_user_id:
raise RuntimeError("End user id is required")
return await MemoryAgentService().write_memory(
group_id=end_user_id,
message=self.typed_config.message,
config_id=self.typed_config.config_id,
db=db,
storage_type="neo4j",
user_rag_memory_id=""
)

7
api/app/core/workflow/nodes/node_factory.py
View File

@@ -18,6 +18,7 @@ from app.core.workflow.nodes.if_else import IfElseNode
from app.core.workflow.nodes.jinja_render import JinjaRenderNode
from app.core.workflow.nodes.knowledge import KnowledgeRetrievalNode
from app.core.workflow.nodes.llm import LLMNode
from app.core.workflow.nodes.memory import MemoryReadNode, MemoryWriteNode
from app.core.workflow.nodes.parameter_extractor import ParameterExtractorNode
from app.core.workflow.nodes.start import StartNode
from app.core.workflow.nodes.transform import TransformNode
@@ -46,7 +47,9 @@ WorkflowNode = Union[
BreakNode,
ParameterExtractorNode,
QuestionClassifierNode,
ToolNode
ToolNode,
MemoryReadNode,
MemoryWriteNode
]
@@ -76,6 +79,8 @@ class NodeFactory:
NodeType.BREAK: BreakNode,
NodeType.CYCLE_START: StartNode,
NodeType.TOOL: ToolNode,
NodeType.MEMORY_READ: MemoryReadNode,
NodeType.MEMORY_WRITE: MemoryWriteNode,
}
@classmethod

23
api/app/services/workflow_service.py
View File

@@ -14,8 +14,9 @@ from sqlalchemy.orm import Session
from app.core.error_codes import BizCode
from app.core.exceptions import BusinessException
from app.core.workflow.validator import validate_workflow_config
from app.db import get_db
from app.db import get_db, get_db_context
from app.models.workflow_model import WorkflowConfig, WorkflowExecution
from app.repositories.end_user_repository import EndUserRepository
from app.repositories.workflow_repository import (
WorkflowConfigRepository,
WorkflowExecutionRepository,
@@ -480,13 +481,21 @@ class WorkflowService:
try:
# 更新状态为运行中
self.update_execution_status(execution.execution_id, "running")
with get_db_context() as db:
end_user_repo = EndUserRepository(db)
new_end_user = end_user_repo.get_or_create_end_user(
app_id=app_id,
other_id=payload.user_id,
original_user_id=payload.user_id # Save original user_id to other_id
)
end_user_id = str(new_end_user.id)
result = await execute_workflow(
workflow_config=workflow_config_dict,
input_data=input_data,
execution_id=execution.execution_id,
workspace_id=str(workspace_id),
user_id=payload.user_id
user_id=end_user_id
)
# 更新执行结果
@@ -599,6 +608,14 @@ class WorkflowService:
try:
# 更新状态为运行中
self.update_execution_status(execution.execution_id, "running")
with get_db_context() as db:
end_user_repo = EndUserRepository(db)
new_end_user = end_user_repo.get_or_create_end_user(
app_id=app_id,
other_id=payload.user_id,
original_user_id=payload.user_id # Save original user_id to other_id
)
end_user_id = str(new_end_user.id)
# 调用流式执行（executor 会发送 workflow_start 和 workflow_end 事件）
async for event in self._run_workflow_stream(
@@ -606,7 +623,7 @@ class WorkflowService:
input_data=input_data,
execution_id=execution.execution_id,
workspace_id=str(workspace_id),
user_id=payload.user_id
user_id=end_user_id
):
# 直接转发 executor 的事件（已经是正确的格式）
yield event