fix: change backend hadlers, API route and uploads photo

backend/handlers/item_handlers.go

@@ -73,6 +73,8 @@ func UpdateItem(c *gin.Context) {
 		UnitType: input.UnitType,
 		City:     input.City,
 		Price:    input.Price,
+		Category: input.Category,
+		Stock: input.Stock,
 	})
 
 	c.JSON(http.StatusOK, item)
@@ -156,14 +158,14 @@ func UploadItemAvatar(c *gin.Context) {
 
 	resized := imaging.Resize(img, 1200, 0, imaging.Lanczos)
 	uniqueName := uuid.New().String() + ".jpg"
-	dstPath := filepath.Join("./uploads/items", uniqueName)
+	dstPath := filepath.Join("./uploads/items/", uniqueName)
 
 	if err := imaging.Save(resized, dstPath, imaging.JPEGQuality(82)); err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "Не удалось сохранить фотографию"})
 		return
 	}
 
-	item.AvatarURL = "/uploads/items" + uniqueName
+	item.AvatarURL = uniqueName
 	database.DB.Save(&item)
 
 	c.JSON(http.StatusOK, gin.H{"avatar_url": item.AvatarURL})