issue #20 add sort, not yet in view

repositories/shopItemRepository.go

@@ -11,6 +11,11 @@ import (
 type ShopItemRepository interface {
 	Create(models.ShopItem) (models.ShopItem, error)
 	GetAll() ([]models.ShopItem, error)
+	GetAllSorted(string) ([]models.ShopItem, error)
+	GetAllNewestFirst() ([]models.ShopItem, error)
+	GetAllNewestLast() ([]models.ShopItem, error)
+	GetAllLexicalFirst() ([]models.ShopItem, error)
+	GetAllLexicalLast() ([]models.ShopItem, error)
 	GetAllPublic() ([]models.ShopItem, error)
 	GetById(string) (models.ShopItem, error)
 	GetNextOfId(string) (models.ShopItem, error)
@@ -47,6 +52,29 @@ func (r *GORMShopItemRepository) GetAll() ([]models.ShopItem, error) {
 	return shopItems, result.Error
 }
 
+func (r *GORMShopItemRepository) GetAllSorted(sortString string) ([]models.ShopItem, error) {
+	var shopItems []models.ShopItem
+	result := r.DB.Preload("Tags").Preload("Variants").Order(sortString).Find(&shopItems)
+
+	return shopItems, result.Error
+}
+
+func (r *GORMShopItemRepository) GetAllNewestFirst() ([]models.ShopItem, error) {
+	return r.GetAllSorted("created_at desc")
+}
+
+func (r *GORMShopItemRepository) GetAllNewestLast() ([]models.ShopItem, error) {
+	return r.GetAllSorted("created_at asc")
+}
+
+func (r *GORMShopItemRepository) GetAllLexicalFirst() ([]models.ShopItem, error) {
+	return r.GetAllSorted("name asc")
+}
+
+func (r *GORMShopItemRepository) GetAllLexicalLast() ([]models.ShopItem, error) {
+	return r.GetAllSorted("name desc")
+}
+
 func (r *GORMShopItemRepository) GetAllPublic() ([]models.ShopItem, error) {
 	var shopItems []models.ShopItem
 	result := r.DB.Preload("Tags").Preload("Variants").Where("is_public = 1").Find(&shopItems)