using Nop.Web.Areas.Admin.Models.Settings; namespace Nop.Web.Areas.Admin.Validators; public partial class ValidatorUtilities { public static bool PageSizeOptionsValidator(string value) { if (string.IsNullOrEmpty(value)) { return true; } var notValid = value.Split(',').Select(p => p.Trim()).GroupBy(p => p).Any(p => p.Count() > 1); return !notValid; } public static bool PageSizeOptionsInAdvancedSettingsValidator(SettingModel model, string value) { if (model.Name.ToLowerInvariant().Contains("pagesizeoptions")) { if (string.IsNullOrEmpty(value)) { return false; } var notValid = value.Split(',').Select(p => p.Trim()).GroupBy(p => p).Any(p => p.Count() > 1); return !notValid; } return true; } }