refactor(park):合并园区的Service和Repository。

repository/park.go

@@ -1,41 +0,0 @@
-package repository
-
-import (
-	"electricity_bill_calc/exceptions"
-	"electricity_bill_calc/global"
-	"electricity_bill_calc/model"
-
-	"xorm.io/builder"
-)
-
-type _ParkRepository struct{}
-
-var ParkRepo _ParkRepository
-
-func (_ParkRepository) ListAllParkBelongsTo(uid string) ([]model.Park, error) {
-	parks := make([]model.Park, 0)
-	err := global.DBConn.
-		Where(builder.Eq{"user_id": uid}).
-		NoAutoCondition().
-		Find(&parks)
-	if err != nil {
-		return make([]model.Park, 0), err
-	}
-	return parks, nil
-}
-
-func (_ParkRepository) FetchParkDetail(pid string) (*model.Park, error) {
-	var park = &model.Park{}
-	has, err := global.DBConn.ID(pid).NoAutoCondition().Get(park)
-	if err != nil {
-		return nil, err
-	}
-	if !has {
-		return nil, exceptions.NewNotFoundError("未找到符合条件的园区记录。")
-	}
-	return park, nil
-}
-
-func (_ParkRepository) EnsurePark(uid, pid string) (bool, error) {
-	return global.DBConn.Table(&model.Park{}).Where(builder.Eq{"user_id": uid, "id": pid}).Exist()
-}