public async Task ReceiveSeriesReviewCreated(SeriesReviewCreatedEvent reviewEvent)
{
// Csak akkor hozom létre ha korábban még nem jött létre (idempotens feldolgozás)
if (!await _context.SeriesReview.AnyAsync(review =>
review.ReviewerId == reviewEvent.ReviewerId &&
review.SeriesId == reviewEvent.SeriesId))
{
var review = _mapper.Map <SeriesReview>(reviewEvent);
_context.SeriesReview.Add(review);
await _context.SaveChangesAsync();
}
}
public async Task ReceiveSeriesReviewCreated(SeriesReviewCreatedEvent reviewEvent)
{
_logger.LogInformation($"Received event of type {nameof(SeriesReviewCreatedEvent)}" +
$" with Id: {reviewEvent.EventId}");
if (!await _messageTracker.HasProcessed(reviewEvent.EventId))
{
_logger.LogInformation($"Processing event of type {nameof(SeriesReviewCreatedEvent)}" +
$" with Id: {reviewEvent.EventId}");
using (var transaction = await _context.Database.BeginTransactionAsync())
{
try
{
var review = _mapper.Map <SeriesReview>(reviewEvent);
_context.SeriesReview.Add(review);
await _context.SaveChangesAsync();
await _messageTracker.MarkAsProcessed(reviewEvent.EventId);
await transaction.CommitAsync();
_logger.LogInformation($"Successfully processed event of type {nameof(SeriesReviewCreatedEvent)}" +
$" with Id: {reviewEvent.EventId}");
}
catch (Exception e)
{
await transaction.RollbackAsync();
_logger.LogError(e, $"Unexpected error while processing event of type {nameof(SeriesReviewCreatedEvent)}" +
$" EventId: {reviewEvent.EventId} SeriesId:{reviewEvent.SeriesId} Reviewerd:{reviewEvent.ReviewerId}");
}
}
}
else
{
_logger.LogWarning($"We have already processed event with Id: {reviewEvent.EventId}" +
$", so we dont do anything");
}
}
