ANTOOZA-BACKEND/Admin/Pages/Donation/List/Index.cshtml.cs

using SharedKernel.Helpers;
using MediatR;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;

namespace Admin.Pages.Donation.List;

public class IndexModel(IMediator mediator) : PageModel
{
    [BindProperty(SupportsGet = true)]
    public QueryParams Query { get; set; } = new();

    public sealed class QueryParams
    {
        [Range(1, int.MaxValue)]
        [DisplayName("페이지 번호")]
        public int PageNum { get; set; } = 1;

        [Range(1, 100)]
        [DisplayName("페이지 목록 수")]
        public ushort PerPage { get; set; } = 10;

        [DisplayName("검색 조건")]
        [Range(1, 7, ErrorMessage = "{0}이(가) 올바르지 않습니다.")]
        public int? Search { get; set; }

        [DisplayName("검색어")]
        [MaxLength(100, ErrorMessage = "{0}은(는) {1}자 이하로 입력하세요.")]
        public string? Keyword { get; set; }

        [DisplayName("시작일")]
        public string? StartAt { get; set; }

        [DisplayName("종료일")]
        public string? EndAt { get; set; }
    }

    public int Total { get; set; } = 0;

    public List<SearchDonations.Response.Row> List { get; set; } = [];

    public Pagination? Pagination { get; set; }

    public async Task OnGetAsync(CancellationToken ct)
    {
        if (!ModelState.IsValid)
        {
            return;
        }

        var result = await mediator.Send(new SearchDonations.Query(
            Query.PageNum,
            Query.PerPage,
            Query.Search,
            Query.Keyword,
            Query.StartAt,
            Query.EndAt
        ), ct);

        Total = result.Total;
        List = [.. result.List];
        Pagination = new Pagination(result.Total, Query.PageNum, Query.PerPage, Request.QueryString.ToString());
    }

    public async Task<IActionResult> OnPostDeleteAsync(int[] ids, CancellationToken ct)
    {
        try
        {
            if (ids is null || ids.Length == 0)
            {
                throw new Exception("삭제할 항목을 선택해주세요.");
            }

            await mediator.Send(new DeleteDonations.Command(ids), ct);

            TempData["SuccessMessage"] = $"{ids.Length}건이 삭제되었습니다.";
        }
        catch (Exception e)
        {
            TempData["ErrorMessages"] = e.Message;
        }

        return Redirect($"{Request.Path}{Request.QueryString}");
    }

    public async Task<IActionResult> OnGetExportDataAsync(CancellationToken ct)
    {
        var result = await mediator.Send(new ExportDonations.Query(
            Query.Search,
            Query.Keyword,
            Query.StartAt,
            Query.EndAt
        ), ct);

        return new JsonResult(new { rows = result.Rows });
    }
}