ANTOOZA-BACKEND/Application/Features/Admin/Mail/Resend/Handler.cs

using Application.Abstractions.Data;
using Application.Abstractions.Messaging;
using Domain.Entities.Common.ValueObject;
using Microsoft.EntityFrameworkCore;

namespace Application.Features.Admin.Mail.Resend;

public sealed class Handler(IAppDbContext db) : ICommandHandler<Command>
{
    public async Task Handle(Command request, CancellationToken ct)
    {
        if (request.IDs is null || request.IDs.Length == 0)
        {
            return;
        }

        var now = DateTime.UtcNow;

        // Status를 Pending 으로 되돌리고, RetryCount 리셋, NextRetryAt 즉시 처리되도록 설정
        await db.EmailLog
            .Where(x => request.IDs.Contains(x.ID))
            .ExecuteUpdateAsync(s => s
                .SetProperty(x => x.Status, MailStatus.Pending)
                .SetProperty(x => x.RetryCount, 0)
                .SetProperty(x => x.NextRetryAt, now)
                .SetProperty(x => x.LastError, (string?)null)
                .SetProperty(x => x.ProcessedAt, (DateTime?)null)
                .SetProperty(x => x.FailedAt, (DateTime?)null), ct);
    }
}