ANTOOZA-BACKEND/Admin/Pages/Document/Edit.cshtml.cs

using SharedKernel;
using SharedKernel.Extensions;
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.Document;

public class EditModel(IMediator mediator, IOptions<AppSettings> settings) : PageModel
{
    [BindProperty]
    public string? QueryString { get; set; }
    public string SiteUrl { get; private set; } = settings.Value.App.FrontURL;

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

    public sealed class InputMdeol
    {
        [DisplayName("ID")]
        [Required(ErrorMessage = "{0}는 필수입니다.")]
        public int ID { get; set; }

        [DisplayName("주소")]
        [DataType(DataType.Text)]
        [Required(ErrorMessage = "{0}는 필수입니다.")]
        [StringLength(30, ErrorMessage = "{0}은 {1}자 이하로 입력하세요.")]
        [RegularExpression(@"^[a-zA-Z0-9-]+$", ErrorMessage = "주소는 영문, 숫자, 하이픈으로만 구성되어야 합니다.")]
        public string Code { get; set; } = default!;

        [DisplayName("제목")]
        [DataType(DataType.Text)]
        [Required(ErrorMessage = "{0}는 필수입니다.")]
        [StringLength(120, ErrorMessage = "{0}은 {1}자 이하로 입력하세요.")]
        public string Subject { get; set; } = default!;

        [DisplayName("내용")]
        [DataType(DataType.Html)]
        public string? Content { get; set; }

        [DisplayName("사용 여부")]
        public bool IsActive { get; set; } = false;

        public string? UpdatedAt { get; set; }
        public string CreatedAt { get; set; } = default!;
    }

    public async Task OnGetAsync(int id, CancellationToken ct)
    {
        QueryString = HttpContext.Request.QueryString.HasValue ? HttpContext.Request.QueryString.Value!.TrimStart('?') : "";

        var document =  await mediator.Send(new GetDocument.Query(id), ct);
        if (document != null)
        {
            Input.ID = document.ID;
            Input.Code = document.Code;
            Input.Subject = document.Subject;
            Input.Content = document.Content;
            Input.IsActive = document.IsActive;
            Input.UpdatedAt = document.UpdatedAt.GetDateAt() ?? "-";
            Input.CreatedAt = document.CreatedAt.GetDateAt();
        }
    }

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

            var command = new UpdateDocument.Command(
                Input.ID,
                Input.Code,
                Input.Subject,
                Input.Content,
                Input.IsActive
            );

            await mediator.Send(command, ct);

            TempData["SuccessMessage"] = $"{Input.Subject} 문서가 수정되었습니다.";
        }
        catch (Exception e)
        {
            TempData["ErrorMessages"] = e.Message;
        }

        return Redirect($"/Document/Edit/{Input.ID}?{QueryString}");
    }
}