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})
+}