ANTOOZA-BACKEND/Application/Features/Admin/Payment/Danal/Cancel/Get/Handler.cs

using Application.Abstractions.Data;
using Application.Abstractions.Messaging;
using Microsoft.EntityFrameworkCore;

namespace Application.Features.Admin.Payment.Danal.Cancel.Get;

public sealed class Handler(IAppDbContext db) : IQueryHandler<Query, Response>
{
    public async Task<Response> Handle(Query request, CancellationToken ct)
    {
        var cancel = await db.DanalCancel.AsNoTracking()
            .Include(x => x.Member)
            .FirstOrDefaultAsync(x => x.ID == request.ID, ct)
            ?? throw new InvalidOperationException("다날 취소 내역을 찾을 수 없습니다.");

        return new Response
        {
            ID = cancel.ID,
            MemberID = cancel.MemberID,
            MemberEmail = cancel.Member?.Email ?? string.Empty,
            MemberName = cancel.Member?.Name,
            Method = cancel.Method,
            CancelType = cancel.CancelType,
            TransactionID = cancel.TransactionID,
            OrderID = cancel.OrderID,
            Amount = cancel.Amount,
            MerchantID = cancel.MerchantID,
            CancelRequester = cancel.CancelRequester,
            CancelReason = cancel.CancelReason,
            ResponseCode = cancel.ResponseCode,
            ResponseMessage = cancel.ResponseMessage,
            OriginalTransactionID = cancel.OriginalTransactionID,
            CancelledAmount = cancel.CancelledAmount,
            TransDate = cancel.TransDate,
            TransTime = cancel.TransTime,
            Balance = cancel.Balance,
            RemainedAmount = cancel.RemainedAmount,
            ApprovalDateTime = cancel.ApprovalDateTime,
            CreatedAt = cancel.CreatedAt,
            UpdatedAt = cancel.UpdatedAt
        };
    }
}