public async Task HandleAsync()
{
var thresholdDate = DateTime.UtcNow.AddDays(-31);
var animesToUpdate = await _animeRepository.GetOlderThanModifiedDate(thresholdDate, _batchSize);
var publishTasks = animesToUpdate.Select(
(a, i) => _animeUpdatePublisher.PublishAnimeUpdateAsync(
new UpdateAnimeMessage {
Id = a.Id, MalId = a.MalId
},
i * _delayBetweenMessages
)
);
await Task.WhenAll(publishTasks);
}