feat: major update - MySQL, chat, wishlist, PWA, admin overhaul

mengyastore-backend/internal/handlers/wishlist.go

@@ -0,0 +1,88 @@
+package handlers
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+
+	"mengyastore-backend/internal/auth"
+	"mengyastore-backend/internal/storage"
+)
+
+type WishlistHandler struct {
+	wishlistStore *storage.WishlistStore
+	authClient    *auth.SproutGateClient
+}
+
+func NewWishlistHandler(wishlistStore *storage.WishlistStore, authClient *auth.SproutGateClient) *WishlistHandler {
+	return &WishlistHandler{wishlistStore: wishlistStore, authClient: authClient}
+}
+
+func (h *WishlistHandler) requireUser(c *gin.Context) (string, bool) {
+	authHeader := c.GetHeader("Authorization")
+	if authHeader == "" || !strings.HasPrefix(authHeader, "Bearer ") {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "请先登录"})
+		return "", false
+	}
+	token := strings.TrimPrefix(authHeader, "Bearer ")
+	result, err := h.authClient.VerifyToken(token)
+	if err != nil || !result.Valid || result.User == nil {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "登录已过期，请重新登录"})
+		return "", false
+	}
+	return result.User.Account, true
+}
+
+func (h *WishlistHandler) GetWishlist(c *gin.Context) {
+	account, ok := h.requireUser(c)
+	if !ok {
+		return
+	}
+	ids, err := h.wishlistStore.Get(account)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"data": gin.H{"items": ids}})
+}
+
+type wishlistItemPayload struct {
+	ProductID string `json:"productId"`
+}
+
+func (h *WishlistHandler) AddToWishlist(c *gin.Context) {
+	account, ok := h.requireUser(c)
+	if !ok {
+		return
+	}
+	var payload wishlistItemPayload
+	if err := c.ShouldBindJSON(&payload); err != nil || payload.ProductID == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid payload"})
+		return
+	}
+	if err := h.wishlistStore.Add(account, payload.ProductID); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	ids, _ := h.wishlistStore.Get(account)
+	c.JSON(http.StatusOK, gin.H{"data": gin.H{"items": ids}})
+}
+
+func (h *WishlistHandler) RemoveFromWishlist(c *gin.Context) {
+	account, ok := h.requireUser(c)
+	if !ok {
+		return
+	}
+	productID := c.Param("id")
+	if productID == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "missing product id"})
+		return
+	}
+	if err := h.wishlistStore.Remove(account, productID); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	ids, _ := h.wishlistStore.Get(account)
+	c.JSON(http.StatusOK, gin.H{"data": gin.H{"items": ids}})
+}