Initial commit: 商品售卖网站

backend/internal/api/handlers/brand.go

@@ -0,0 +1,53 @@
+package handlers
+
+import (
+	"net/http"
+	"sale/internal/models"
+	"sale/internal/utils"
+
+	"github.com/gin-gonic/gin"
+)
+
+type BrandHandler struct{}
+
+func NewBrandHandler() *BrandHandler {
+	return &BrandHandler{}
+}
+
+func (h *BrandHandler) List(c *gin.Context) {
+	var brands []models.Brand
+	utils.DB.Where("deleted_at IS NULL").Order("sort_order ASC, name ASC").Find(&brands)
+	c.JSON(http.StatusOK, gin.H{"data": brands})
+}
+
+func (h *BrandHandler) Create(c *gin.Context) {
+	var brand models.Brand
+	if err := c.ShouldBindJSON(&brand); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+	utils.DB.Create(&brand)
+	c.JSON(http.StatusOK, brand)
+}
+
+func (h *BrandHandler) Update(c *gin.Context) {
+	id := c.Param("id")
+	var brand models.Brand
+	if err := utils.DB.First(&brand, id).Error; err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "Brand not found"})
+		return
+	}
+	var input models.Brand
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+	utils.DB.Model(&brand).Updates(input)
+	c.JSON(http.StatusOK, brand)
+}
+
+func (h *BrandHandler) Delete(c *gin.Context) {
+	id := c.Param("id")
+	utils.DB.Delete(&models.Brand{}, id)
+	c.JSON(http.StatusOK, gin.H{"message": "Brand deleted"})
+}