update ui

handlers/category_handler.go

@@ -0,0 +1,114 @@
+package handlers
+
+import (
+	"net/http"
+	"strconv"
+
+	"res_db/db/converter"
+	"res_db/db/dto"
+	"res_db/db/entity"
+
+	"github.com/gin-gonic/gin"
+)
+
+// GetCategories 获取分类列表
+func GetCategories(c *gin.Context) {
+	categories, err := repoManager.CategoryRepository.FindAll()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	// 获取每个分类的资源数量
+	resourceCounts := make(map[uint]int64)
+	for _, category := range categories {
+		count, err := repoManager.CategoryRepository.GetResourceCount(category.ID)
+		if err != nil {
+			continue
+		}
+		resourceCounts[category.ID] = count
+	}
+
+	responses := converter.ToCategoryResponseList(categories, resourceCounts)
+	c.JSON(http.StatusOK, responses)
+}
+
+// CreateCategory 创建分类
+func CreateCategory(c *gin.Context) {
+	var req dto.CreateCategoryRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	category := &entity.Category{
+		Name:        req.Name,
+		Description: req.Description,
+	}
+
+	err := repoManager.CategoryRepository.Create(category)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusCreated, gin.H{
+		"id":      category.ID,
+		"message": "分类创建成功",
+	})
+}
+
+// UpdateCategory 更新分类
+func UpdateCategory(c *gin.Context) {
+	idStr := c.Param("id")
+	id, err := strconv.ParseUint(idStr, 10, 32)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "无效的ID"})
+		return
+	}
+
+	var req dto.UpdateCategoryRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	category, err := repoManager.CategoryRepository.FindByID(uint(id))
+	if err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "分类不存在"})
+		return
+	}
+
+	if req.Name != "" {
+		category.Name = req.Name
+	}
+	if req.Description != "" {
+		category.Description = req.Description
+	}
+
+	err = repoManager.CategoryRepository.Update(category)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "分类更新成功"})
+}
+
+// DeleteCategory 删除分类
+func DeleteCategory(c *gin.Context) {
+	idStr := c.Param("id")
+	id, err := strconv.ParseUint(idStr, 10, 32)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "无效的ID"})
+		return
+	}
+
+	err = repoManager.CategoryRepository.Delete(uint(id))
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "分类删除成功"})
+}