feat: 关联查询出来报销单的差旅费用子数据

app/model/ReimburseModel.py

@@ -1,4 +1,4 @@
-from typing import Optional
+from typing import Optional, List
 
 from pydantic import computed_field
 from sqlalchemy.orm import selectinload
@@ -6,6 +6,7 @@ from sqlmodel import Field, Relationship, select
 
 from app.model.BasicModel import BasicModel
 from app.model.ProjectModel import ProjectModel
+from app.model.ReimburseTravelModel import ReimburseTravelModel
 from app.utils.create_module_service import create_model_service
 
 
@@ -16,6 +17,8 @@ class ReimburseModel(BasicModel, table=True):
   remarks: str = Field(default=None, description="备注信息")
   amount: float = Field(default=None, description="报销金额")
 
+  # /*---------------------------------------project-------------------------------------------*/
+
   proj_id: str = Field(
     default=None,
     description="所属项目id",
@@ -40,12 +43,34 @@ class ReimburseModel(BasicModel, table=True):
   def project(self, value: Optional[ProjectModel]) -> None:
     pass
 
+  # /*---------------------------------------travel_list-------------------------------------------*/
+
+  # 新增：与ReimburseTravelModel的一对多关系
+  travel_list_rel: Optional[List["ReimburseTravelModel"]] = Relationship(
+    sa_relationship_kwargs={
+      "foreign_keys": "ReimburseTravelModel.reimburse_id",
+      "primaryjoin": "ReimburseModel.id == ReimburseTravelModel.reimburse_id",
+    }
+  )
+
+  @computed_field
+  @property
+  def travel_list(self) -> Optional[List["ReimburseTravelModel"]]:
+    return self.travel_list_rel
+
+  @travel_list.setter
+  def travel_list(self, value: Optional[List["ReimburseTravelModel"]]) -> None:
+    pass
+
 
 ReimburseService = create_model_service(
   Cls=ReimburseModel,
   custom_query=lambda: select(ReimburseModel)
   .options(
     selectinload(ReimburseModel.proj_rel).
-    selectinload(ProjectModel.leader)
+    selectinload(ProjectModel.leader),
+
+    # 新增：预加载差旅明细
+    selectinload(ReimburseModel.travel_list_rel)
   )
 )