dev day #79

internal/controllers/article_controller.go

@@ -116,8 +116,22 @@ func (ac *ArticleController) CreateArticle(c *gin.Context) {
 		var category models.Category
 		err := ac.DB.Where("name = ?", categoryName).First(&category).Error
 		if err == gorm.ErrRecordNotFound {
-			// Create new category
-			category = models.Category{Name: categoryName}
+			// Create new category with unique slug derived from name
+			s := makeSlug(categoryName)
+			if s == "" {
+				s = fmt.Sprintf("category-%d", time.Now().Unix())
+			}
+			orig := s
+			for i := 0; i < 50; i++ {
+				var sc int64
+				if err := ac.DB.Model(&models.Category{}).Where("slug = ?", s).Count(&sc).Error; err != nil {
+					c.JSON(http.StatusInternalServerError, gin.H{"error": "Chyba při kontrole jedinečnosti URL"})
+					return
+				}
+				if sc == 0 { break }
+				s = fmt.Sprintf("%s-%d", orig, i+1)
+			}
+			category = models.Category{Name: categoryName, Slug: s}
 			if err := ac.DB.Create(&category).Error; err != nil {
 				logger.Error("CreateArticle: Error creating category '%s': %v", categoryName, err)
 				c.JSON(http.StatusInternalServerError, gin.H{"error": "Nelze vytvořit kategorii"})