app/delivery/web/api/restricted/product.go

@@ -90,7 +90,13 @@ func (h *ProductsHandler) ListProducts(c fiber.Ctx) error {
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrBadAttribute)))
 	}
 
-	list, err := h.productService.Find(id_lang, paging, filters)
+	userID, ok := localeExtractor.GetUserID(c)
+	if !ok {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrInvalidBody)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrInvalidBody)))
+	}
+
+	list, err := h.productService.Find(id_lang, userID, paging, filters)
 	if err != nil {
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))

app/model/product.go

@@ -70,6 +70,7 @@ type ProductInList struct {
 	Reference      string `gorm:"column:reference" json:"reference"`
 	VariantsNumber uint   `gorm:"column:variants_number" json:"variants_number"`
 	Quantity       int64  `gorm:"column:quantity" json:"quantity"`
+	IsFavorite     bool   `gorm:"column:is_favorite" json:"is_favorite"`
 }
 
 type ProductFilters struct {

app/repos/productsRepo/productsRepo.go

@@ -16,7 +16,7 @@ import (
 
 type UIProductsRepo interface {
 	GetJSON(p_id_product, p_id_shop, p_id_lang, p_id_customer, b2b_id_country, p_quantity int) (*json.RawMessage, error)
-	Find(id_lang uint, p find.Paging, filt *filters.FiltersList) (find.Found[model.ProductInList], error)
+	Find(id_lang, userID uint, p find.Paging, filt *filters.FiltersList) (find.Found[model.ProductInList], error)
 }
 
 type ProductsRepo struct{}
@@ -37,7 +37,6 @@ func (repo *ProductsRepo) GetJSON(p_id_product, p_id_shop, p_id_lang, p_id_custo
 		return nil, err
 	}
 
-	// Optional: validate it's valid JSON
 	if !json.Valid([]byte(productStr)) {
 		return nil, fmt.Errorf("invalid json returned from stored procedure")
 	}
@@ -46,37 +45,60 @@ func (repo *ProductsRepo) GetJSON(p_id_product, p_id_shop, p_id_lang, p_id_custo
 	return &raw, nil
 }
 
-func (repo *ProductsRepo) Find(id_lang uint, p find.Paging, filt *filters.FiltersList) (find.Found[model.ProductInList], error) {
+func (repo *ProductsRepo) Find(id_lang, userID uint, p find.Paging, filt *filters.FiltersList) (find.Found[model.ProductInList], error) {
 	var list []model.ProductInList
 	var total int64
 
 	query := db.Get().
 		Table(gormcol.Field.Tab(dbmodel.PsProductShopCols.Active)+" AS ps").
 		Select(`
-            ps.id_product AS product_id,
-            pl.name AS name,
-            pl.link_rewrite AS link_rewrite,
-            CONCAT(?, '/', ims.id_image, '-small_default/', pl.link_rewrite, '.webp') AS image_link,
-            cl.name AS category_name,
-            p.reference AS reference,
-            COALESCE(v.variants_number, 0) AS variants_number,
-            sa.quantity AS quantity
-        `, config.Get().Image.ImagePrefix).
+			ps.id_product AS product_id,
+			pl.name AS name,
+			pl.link_rewrite AS link_rewrite,
+			CONCAT(?, '/', ims.id_image, '-small_default/', pl.link_rewrite, '.webp') AS image_link,
+			cl.name AS category_name,
+			p.reference AS reference,
+			COALESCE(v.variants_number, 0) AS variants_number,
+			sa.quantity AS quantity,
+			COALESCE(f.is_favorite, 0) AS is_favorite
+    	`, config.Get().Image.ImagePrefix).
 		Joins("JOIN "+dbmodel.PsProductCols.IDProduct.Tab()+" p ON p.id_product = ps.id_product").
 		Joins("JOIN ps_product_lang pl ON pl.id_product = ps.id_product AND pl.id_lang = ?", id_lang).
 		Joins("JOIN ps_image_shop ims ON ims.id_product = ps.id_product AND ims.cover = 1").
 		Joins("JOIN ps_category_lang cl ON cl.id_category = ps.id_category_default AND cl.id_lang = ?", id_lang).
 		Joins("JOIN ps_category_product cp ON cp.id_product = ps.id_product").
 		Joins("LEFT JOIN variants v ON v.id_product = ps.id_product").
+		Joins("LEFT JOIN favorites f ON f.id_product = ps.id_product").
 		Joins("LEFT JOIN ps_stock_available sa ON sa.id_product = ps.id_product AND sa.id_product_attribute = 0").
 		Where("ps.active = ?", 1).
 		Group("ps.id_product").
-		Clauses(exclause.With{CTEs: []exclause.CTE{
-			{
-				Name:     "variants",
-				Subquery: exclause.Subquery{DB: db.Get().Model(&dbmodel.PsProductAttributeShop{}).Select("id_product", "COUNT(*) AS variants_number").Group("id_product")},
+		Clauses(exclause.With{
+			CTEs: []exclause.CTE{
+				{
+					Name: "variants",
+					Subquery: exclause.Subquery{
+						DB: db.Get().
+							Model(&dbmodel.PsProductAttributeShop{}).
+							Select("id_product", "COUNT(*) AS variants_number").
+							Group("id_product"),
+					},
+				},
+
+				{
+					Name: "favorites",
+					Subquery: exclause.Subquery{
+						DB: db.Get().
+							Table("b2b_favorites").
+							Select(`
+								product_id AS id_product,
+								COUNT(*) > 0 AS is_favorite
+							`).
+							Where("user_id = ?", userID).
+							Group("product_id"),
+					},
+				},
 			},
-		}}).
+		}).
 		Order("ps.id_product DESC")
 
 	// Apply all filters

app/service/productService/productService.go

@@ -29,6 +29,6 @@ func (s *ProductService) GetJSON(p_id_product, p_id_lang, p_id_customer, b2b_id_
 	return products, nil
 }
 
-func (s *ProductService) Find(id_lang uint, p find.Paging, filters *filters.FiltersList) (find.Found[model.ProductInList], error) {
-	return s.productsRepo.Find(id_lang, p, filters)
+func (s *ProductService) Find(id_lang, userID uint, p find.Paging, filters *filters.FiltersList) (find.Found[model.ProductInList], error) {
+	return s.productsRepo.Find(id_lang, userID, p, filters)
 }

i18n/migrations/20260302163122_create_tables.sql

@@ -151,6 +151,16 @@ CREATE TABLE IF NOT EXISTS b2b_carts_products (
 CREATE INDEX IF NOT EXISTS idx_carts_products_cart_id ON b2b_carts_products (cart_id);
 
 
+-- favorites
+CREATE TABLE IF NOT EXISTS b2b_favorites (
+  user_id BIGINT UNSIGNED NOT NULL,
+  product_id INT UNSIGNED NOT NULL,
+  PRIMARY KEY (user_id, product_id),
+  CONSTRAINT fk_favorites_customer FOREIGN KEY (user_id) REFERENCES b2b_customers(id) ON DELETE CASCADE ON UPDATE CASCADE,
+  CONSTRAINT fk_favorites_product FOREIGN KEY (product_id) REFERENCES ps_product(id_product) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;
+
+
 -- refresh_tokens
 CREATE TABLE IF NOT EXISTS b2b_refresh_tokens (
   id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,

i18n/migrations/20260319163200_procedures.sql

@@ -132,6 +132,12 @@ JSON_OBJECT(
     m.name,
     'category',
     cl.name,
+    /* ================= FAVORITE ================= */
+    'is_favorite',
+    EXISTS(
+      SELECT 1 FROM b2b_favorites f
+      WHERE f.user_id = p_id_customer AND f.product_id = p_id_product
+    ),
     /* ================= IMAGE ================= */
     'cover_image',
     JSON_OBJECT(