code refactor

repository/productDescriptionRepo/productDescriptionRepo.go

@@ -0,0 +1,74 @@
+package ProductDescriptionRepo
+
+import (
+	"fmt"
+
+	"git.ma-al.com/goc_daniel/b2b/app/db"
+	"git.ma-al.com/goc_daniel/b2b/app/model"
+)
+
+type UIProductDescriptionRepo interface {
+	GetProductDescription(productID uint, productShopID uint, productLangID uint) (*model.ProductDescription, error)
+	CreateIfDoesNotExist(productID uint, productShopID uint, productLangID uint) error
+	UpdateFields(productID uint, productShopID uint, productLangID uint, updates map[string]string) error
+}
+
+type ProductDescriptionRepo struct{}
+
+func New() UIProductDescriptionRepo {
+	return &ProductDescriptionRepo{}
+}
+
+// We assume that any user has access to all product descriptions
+func (r *ProductDescriptionRepo) GetProductDescription(productID uint, productShopID uint, productLangID uint) (*model.ProductDescription, error) {
+	var ProductDescription model.ProductDescription
+
+	err := db.DB.
+		Table("ps_product_lang").
+		Where("id_product = ? AND id_shop = ? AND id_lang = ?", productID, productShopID, productLangID).
+		First(&ProductDescription).Error
+	if err != nil {
+		return nil, fmt.Errorf("database error: %w", err)
+	}
+
+	return &ProductDescription, nil
+}
+
+// If it doesn't exist, returns an error.
+func (r *ProductDescriptionRepo) CreateIfDoesNotExist(productID uint, productShopID uint, productLangID uint) error {
+	record := model.ProductDescription{
+		ProductID: productID,
+		ShopID:    productShopID,
+		LangID:    productLangID,
+	}
+
+	err := db.DB.
+		Table("ps_product_lang").
+		Where("id_product = ? AND id_shop = ? AND id_lang = ?", productID, productShopID, productLangID).
+		FirstOrCreate(&record).Error
+	if err != nil {
+		return fmt.Errorf("database error: %w", err)
+	}
+
+	return nil
+}
+
+func (r *ProductDescriptionRepo) UpdateFields(productID uint, productShopID uint, productLangID uint, updates map[string]string) error {
+	if len(updates) == 0 {
+		return nil
+	}
+	updatesIface := make(map[string]interface{}, len(updates))
+	for k, v := range updates {
+		updatesIface[k] = v
+	}
+
+	err := db.DB.
+		Table("ps_product_lang").
+		Where("id_product = ? AND id_shop = ? AND id_lang = ?", productID, productShopID, productLangID).
+		Updates(updatesIface).Error
+	if err != nil {
+		return fmt.Errorf("database error: %w", err)
+	}
+
+	return nil
+}