UnoApplicationTemplate/src/app/ApplicationTemplate.Presentation/ViewModels/Authentication/CreateAccountFormViewModel.cs at e8f20d1ac4a1e11ba8e0976218d6454d8a7e92cf · nventive/UnoApplicationTemplate · GitHub

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using System;
using Chinook.DynamicMvvm;
using FluentValidation;
using Microsoft.Extensions.Localization;
using Uno.Extensions;

namespace ApplicationTemplate.Presentation;

public sealed class CreateAccountFormViewModel : ViewModel
{
	public CreateAccountFormViewModel()
	{
		this.AddValidation(this.GetProperty(x => x.DateOfBirth));
		// Restore validation when this issue is resolved: https://github.com/nventive/Nventive.View/issues/41
		// this.AddValidation(this.GetProperty(x => x.FavoriteDadNames));
		this.AddValidation(this.GetProperty(x => x.AgreeToTermsOfServices));
	}

	public string FirstName
	{
		get => this.Get<string>();
		set => this.Set(value);
	}

	public string LastName
	{
		get => this.Get<string>();
		set => this.Set(value);
	}

	public string Email
	{
		get => this.Get<string>();
		set => this.Set(value);
	}

	public string PhoneNumber
	{
		get => this.Get<string>();
		set => this.Set(value);
	}

	public string PostalCode
	{
		get => this.Get<string>();
		set => this.Set(value);
	}

	public DateTimeOffset DateOfBirth
	{
		get => this.Get<DateTimeOffset>(initialValue: DateTimeOffset.Now);
		set => this.Set(value);
	}

	public object[] FavoriteDadNames
	{
		get => this.Get(initialValue: Array.Empty<object>());
		set => this.Set(value);
	}

	public bool AgreeToTermsOfServices
	{
		get => this.Get<bool>();
		set => this.Set(value);
	}

	public IDynamicCommand ValidateProperty => this.GetCommandFromTask<string>(async (ct, propertyName) =>
	{
		await this.ValidateProperty(ct, this.GetProperty(propertyName));
	});
}

public class CreateAccountFormValidator : AbstractValidator<CreateAccountFormViewModel>
{
	public CreateAccountFormValidator(IStringLocalizer localizer)
	{
		RuleFor(x => x.FirstName).NotEmpty();
		RuleFor(x => x.LastName).NotEmpty();

		RuleFor(x => x.Email)
			.NotEmpty()
			.WithMessage(_ => localizer["ValidationNotEmpty_Email"])
			.EmailAddress()
			.WithMessage(_ => localizer["ValidationError_Email"]);

		RuleFor(x => x.PhoneNumber)
			.NotEmpty()
			.MustBePhoneNumber()
			.WithMessage(localizer["CreateAccount_PhoneNumberValidation"]);

		RuleFor(x => x.PostalCode)
			.NotEmpty()
			.Length(7)
			.WithMessage(localizer["CreateAccount_PostalValidation"]); // "A1A 1A1".Length = 7

		RuleFor(x => x.DateOfBirth)
			.NotEmpty()
			.MustBe18OrOlder()
			.WithMessage(localizer["CreateAccount_DateOfBirthValidation"]);

		/*
		RuleFor(x => x.FavoriteDadNames)
			.Must(favDadNames =>
			{
				if (favDadNames == null)
				{
					return false;
				}
				return favDadNames.Length >= 1;
			})
			.WithMessage(localizer["CreateAccount_FavoriteDadNameValidation"]);
		*/

		RuleFor(x => x.AgreeToTermsOfServices)
			.Equal(true)
			.WithMessage(localizer["CreateAccount_TermsOfServiceValidation"]);
	}
}