feat: 走酒店预定、或者提交报销单审批流时，自动调用AI服务，对比报销规范文档与报销信息给出审批标识以及审批不通过时的意见

app/controller/add_hotel_route.py

@@ -1,3 +1,5 @@
+import uuid
+
 from fastapi import FastAPI
 from langchain_core.runnables import RunnableConfig
 from langgraph.constants import START
@@ -7,10 +9,13 @@ from pydantic import BaseModel
 from app.model.ApproveModel import ApproveModel, ApproveService
 from app.model.HotelModel import HotelService, HotelModel
 from app.model.OrderModel import OrderService
-from app.model.ReimburseModel import ReimburseService
+from app.model.ProjectModel import ProjectModel
+from app.model.ProjectService import ProjectService
+from app.model.ReimburseModel import ReimburseService, ReimburseModel
 from app.model.ReimburseOtherModel import ReimburseOtherService
 from app.model.UserModel import UserServiceModel, UserService
-from app.utils.db_utils import AsyncSessionDep
+from app.utils.db_utils import AsyncSessionDep, async_session
+from app.utils.llm_approve_utils import get_llm_approve_result
 from app.utils.postgres_checkpointer import AsyncPostgresSaverDep
 from app.workflow.approve import create_approve_graph, ApproveGraphSchema
 
@@ -22,11 +27,43 @@ def add_hotel_route(app: FastAPI):
     session: AsyncSessionDep,
     checkpointer: AsyncPostgresSaverDep,
   ):
-    user_cls: UserServiceModel = await UserService.query_item(session, row_dict={"id": body.user_id})
-    hotel_cls: HotelModel = await HotelService.query_item(session, row_dict={"id": body.hotel_id})
+    async with async_session() as session2:
+      user_cls: UserServiceModel = await UserService.query_item(session2, row_dict={"id": body.user_id})
+      hotel_cls: HotelModel = await HotelService.query_item(session2, row_dict={"id": body.hotel_id})
+      project_cls: ProjectModel = await ProjectService.query_item(session2, row_dict={"id": body.proj_id})
+
+    new_approve_id = str(uuid.uuid4())
+    reimburse_id = str(uuid.uuid4())
+
+    # 审批通过之后，要创建的报销单信息
+    input_reimburse_dict = {
+      "id": reimburse_id,
+      "title": f"{user_cls.full_name} - 酒店预定",
+      "remarks": f"酒店预定信息：{hotel_cls.title}, {hotel_cls.description}, {hotel_cls.discount_price}",
+      "proj_id": body.proj_id,
+      "amount": str(hotel_cls.discount_price),
+      "project": project_cls.model_dump(),
+      "approve_id": new_approve_id,
+      "user_id": body.user_id,
+    }
+    input_reimburse_other_dict = {
+      "title": f"{user_cls.full_name} - 酒店预定",
+      "type": "酒店宾馆",
+      "amount": str(hotel_cls.discount_price),
+      "recipe_type": "电子普通发票",
+      "reimburse_id": reimburse_id,
+    }
+
+    llm_response_dict = await get_llm_approve_result(session, {
+      **input_reimburse_dict,
+      "user": user_cls.model_dump(),
+      "travel_list": [],
+      "other_list": [input_reimburse_other_dict]
+    })
 
     # 新建审批单信息
     new_approve_dict = {
+      "id": new_approve_id,
       "title": f"{user_cls.full_name} - 酒店预定审批",
       "description": f"酒店预定信息：{hotel_cls.title}, {hotel_cls.description}, {hotel_cls.discount_price}",
       "status": "approving",
@@ -36,28 +73,13 @@ def add_hotel_route(app: FastAPI):
       "apply_user_id": body.user_id,
       "proj_id": body.proj_id,
       "approve_from": "book_hotel",
+      **llm_response_dict,
     }
     # 马上插入审批单信息
     insert_approve_cls: ApproveModel = await ApproveService.item_insert(session=session, row_dict=new_approve_dict)
 
     book_hotel_graph = create_book_hotel_graph(session=session, checkpointer=checkpointer)
 
-    # 审批通过之后，要创建的报销单信息
-    input_reimburse_dict = {
-      "title": f"{user_cls.full_name} - 酒店预定",
-      "remarks": f"酒店预定信息：{hotel_cls.title}, {hotel_cls.description}, {hotel_cls.discount_price}",
-      "proj_id": body.proj_id,
-      "approve_id": insert_approve_cls.id,
-      "user_id": body.user_id,
-    }
-    input_reimburse_other_dict = {
-      "title": f"{user_cls.full_name} - 酒店预定",
-      "type": "酒店宾馆",
-      "amount": str(hotel_cls.discount_price),
-      "recipy_type": "电子普通发票",
-      "reimburse_id": "",
-    }
-
     graph_state = await book_hotel_graph.ainvoke(
       {
         "input_user_id": body.user_id,