add methods in Repository and Model for importing data

kontor-gin/internal/repository/permission.go

@@ -12,6 +12,11 @@ type PermissionRepository struct {
 	db *gorm.DB
 }
 
+func NewPermissionRepository(db *gorm.DB) *PermissionRepository {
+	repository := &PermissionRepository{db: db}
+	return repository
+}
+
 func (repository *PermissionRepository) FindAll(context context.Context) ([]models.Permission, error) {
 
 	var permissions []models.Permission
@@ -22,7 +27,25 @@ func (repository *PermissionRepository) FindAll(context context.Context) ([]mode
 	return permissions, nil
 }
 
-func NewPermissionRepository(db *gorm.DB) *PermissionRepository {
-	repository := &PermissionRepository{db: db}
-	return repository
+func (repository *PermissionRepository) Import(permissions models.PermissionDTOList) {
+	slog.Info("PermissionRepository#Import")
+	for index, permission := range permissions {
+		slog.Info("importing", "index", index, "profile", permission)
+		model := permission.ConvertDTOToModel()
+		existing_item := models.Permission{ID: permission.ID}
+		result_existing := repository.db.First(&existing_item)
+		if result_existing.Error != nil {
+			slog.Info("check existing id: not found - inserting")
+			result := repository.db.Create(&model)
+			if result.Error != nil {
+				slog.Info("error during import", "error", result.Error.Error())
+			}
+		} else {
+			slog.Info("check existing id: found - updating")
+			result := repository.db.Save(&model)
+			if result.Error != nil {
+				slog.Info("error during updating", "error", result.Error.Error())
+			}
+		}
+	}
 }