fix products listing

app/repos/categoryRepo/categoryRepo.go

@@ -0,0 +1,44 @@
+package categoryrepo
+
+import (
+	"git.ma-al.com/goc_daniel/b2b/app/db"
+	"git.ma-al.com/goc_daniel/b2b/app/model/dbmodel"
+)
+
+type UICategoryRepo interface {
+	GetCategoryTranslations(ids []uint, idLang uint) (map[uint]string, error)
+}
+
+type CategoryRepo struct{}
+
+func New() UICategoryRepo {
+	return &CategoryRepo{}
+}
+
+func (r *CategoryRepo) GetCategoryTranslations(ids []uint, idLang uint) (map[uint]string, error) {
+	if len(ids) == 0 {
+		return map[uint]string{}, nil
+	}
+
+	type result struct {
+		IDCategory int32
+		Name       string
+	}
+
+	var results []result
+	if err := db.Get().
+		Model(dbmodel.PsCategoryLang{}).
+		Select("ps_category_lang.id_category, COALESCE(ps_category_lang.name, '') as name").
+		Where("ps_category_lang.id_category IN ?", ids).
+		Where("ps_category_lang.id_lang = ?", idLang).
+		Scan(&results).Error; err != nil {
+		return nil, err
+	}
+
+	translations := make(map[uint]string, len(results))
+	for _, res := range results {
+		translations[uint(res.IDCategory)] = res.Name
+	}
+
+	return translations, nil
+}