public async Task <IActionResult> AddColors(ColorsModel model) { if (model.Colors == null || model.Colors.Count == 0) { return(BadRequest(new { message = "Color is null!" })); } var newColors = await _colorService.AddColorsAsync(model.Colors); if (newColors == null) { return(BadRequest(new { message = "Duplicate colors" })); } return(Ok(new { status = "success", message = "Colors added", data = newColors })); }