feat(park):增加园区列表功能。

controller/park.go

@@ -0,0 +1,56 @@
+package controller
+
+import (
+	"electricity_bill_calc/model"
+	"electricity_bill_calc/repository"
+	"electricity_bill_calc/response"
+	"electricity_bill_calc/security"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+type _ParkController struct {
+	Router *gin.Engine
+}
+
+var ParkController *_ParkController
+
+func InitializeParkController(router *gin.Engine) {
+	ParkController = &_ParkController{
+		Router: router,
+	}
+	ParkController.Router.GET("/parks", security.EnterpriseAuthorize, listAllParksUnderSessionUser)
+	ParkController.Router.GET("/parks/:uid", security.ManagementAuthorize, listAllParksUnderSpecificUser)
+}
+
+func listAllParksUnderSessionUser(c *gin.Context) {
+	result := response.NewResult(c)
+	session, exists := c.Get("session")
+	if !exists {
+		result.Error(http.StatusUnauthorized, "用户会话无效。")
+		return
+	}
+	userSession, ok := session.(model.Session)
+	if !ok {
+		result.Failure(http.StatusInternalServerError, "内部缓存错误，需要重新登录。")
+		return
+	}
+	parks, err := repository.ParkRepo.ListAllParkBelongsTo(userSession.Uid)
+	if err != nil {
+		result.Error(http.StatusInternalServerError, err.Error())
+		return
+	}
+	result.Json(http.StatusOK, "已获取到指定用户下的园区。", gin.H{"parks": parks})
+}
+
+func listAllParksUnderSpecificUser(c *gin.Context) {
+	result := response.NewResult(c)
+	requestUserId := c.Param("uid")
+	parks, err := repository.ParkRepo.ListAllParkBelongsTo(requestUserId)
+	if err != nil {
+		result.Error(http.StatusInternalServerError, err.Error())
+		return
+	}
+	result.Json(http.StatusOK, "已获取到指定用户下的园区。", gin.H{"parks": parks})
+}

repository/park.go

@@ -0,0 +1,24 @@
+package repository
+
+import (
+	"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) {
+	var parks []model.Park
+	err := global.DBConn.
+		Where(builder.Eq{"user_id": uid}).
+		NoAutoCondition().
+		Find(&parks)
+	if err != nil {
+		return make([]model.Park, 0), err
+	}
+	return parks, nil
+}

router/router.go

@@ -18,6 +18,7 @@ func Router() *gin.Engine {
 	controller.InitializeUserController(router)
 	controller.InitializeRegionController(router)
 	controller.InitializeChargesController(router)
+	controller.InitializeParkController(router)
 
 	return router
 }