feat(fee):增加列出和创建维护费记录的方法。

service/maintenance_fee.go

@@ -0,0 +1,38 @@
+package service
+
+import (
+	"electricity_bill_calc/exceptions"
+	"electricity_bill_calc/global"
+	"electricity_bill_calc/model"
+
+	"github.com/google/uuid"
+	"xorm.io/builder"
+)
+
+type _MaintenanceFeeService struct{}
+
+var MaintenanceFeeService _MaintenanceFeeService
+
+func (_MaintenanceFeeService) ListMaintenanceFees(pid []string) ([]model.MaintenanceFee, error) {
+	cond := builder.NewCond()
+	if len(pid) > 0 {
+		cond = cond.And(builder.Eq{"park_id": pid})
+	} else {
+		return make([]model.MaintenanceFee, 0), exceptions.NewIllegalArgumentsError("必须给定所要请求的至少一个园区", "park_id")
+	}
+	var fees = make([]model.MaintenanceFee, 0)
+	err := global.DBConn.Where(cond).Desc("created_at").Find(&fees)
+	if err != nil {
+		return make([]model.MaintenanceFee, 0), err
+	}
+	return fees, nil
+}
+
+func (_MaintenanceFeeService) CreateMaintenanceFeeRecord(fee model.MaintenanceFee) error {
+	fee.Id = uuid.New().String()
+	_, err := global.DBConn.Insert(fee)
+	if err != nil {
+		return err
+	}
+	return nil
+}