ANTOOZA-BACKEND/Admin/Pages/Config/Test/Email.cshtml.cs

using Application.Abstractions.Messaging.Email;
using SharedKernel;
using MediatR;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.Extensions.Options;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;

namespace Admin.Pages.Config.Test;

public class EmailModel(IMediator mediator, IOptions<AppSettings> options, IMailService mailService) : PageModel
{
    public readonly AppSettings Settings = options.Value;

    [BindProperty]
    [MaxLength(256)]
    [DataType(DataType.EmailAddress)]
    [DisplayName("To Address")]
    public string? ToAddress { get; set; }

    [BindProperty]
    public InputModel Input { get; set; } = new();

    public async Task OnGetAsync(CancellationToken ct)
    {
        var config = await mediator.Send(new GetConfig.Query(), ct);
        if (config is not null)
        {
            Input = InputModel.From(config);
        }
    }

    public async Task<IActionResult> OnPostAsync(CancellationToken ct)
    {
        if (!ModelState.IsValid)
        {
            return Page();
        }

        await mailService.SendAsync(
            new SendData(
                ToAddress: ToAddress!,
                Subject: $"[TEST] SMTP 이메일 발송 테스트 - {DateTime.Now:yyyy-MM-dd HH:mm:ss}",
                MessageHtml: $"""
                             <h3>테스트 메일</h3>
                             <ul>
                                 <li>From: {Settings.SMTP.FromName} &lt;{Settings.SMTP.FromEmail}&gt;</li>
                                 <li>To: {ToAddress}</li>
                                 <li>Host: {Settings.SMTP.Host}:{Settings.SMTP.Port}</li>
                                 <li>TLS: {Settings.SMTP.UseStartTls}</li>
                             </ul>
                             """,
                MessageText: $"TEST MAIL\nFrom={Settings.SMTP.FromEmail}\nTo={ToAddress}\nHost={Settings.SMTP.Host}:{Settings.SMTP.Port}\nTLS={Settings.SMTP.UseStartTls}"
            ),
            ct
        );

        TempData["SuccessMessage"] = "테스트 이메일을 발송했습니다.";

        return RedirectToPage();
    }

    public sealed class InputModel
    {
        public UpdateConfig.Request.BasicConfigDto Basic { get; set; } = new();

        public static InputModel From(GetConfig.Response config)
        {
            var req = UpdateConfig.Request.From(config);

            return new()
            {
                Basic = req.Basic
            };
        }
    }
}