public async Task Update(string userId, ArticlePrimaryKey key, UpdateArticleViewModel request)
{
var article = await _context.Article.FirstOrDefaultAsync(x =>
x.CreatedYear == key.CreatedYear && x.TitleShrinked == key.TitleShrinked).CAF();
string contentChecksumPreUpdate = ChecksumAlgorithm.ComputeMD5Checksum(article.Content);
_mapper.Map(request, article);
_articleFactory.SetUpdated(article);
await EnsureRequestOfNarrationIfNarratable(article, contentChecksumPreUpdate).CAF();
await using var transaction = await _context.Database.BeginTransactionAsync().CAF();
try
{
await _context.SaveChangesAsync().CAF();
await transaction.CommitAsync().CAF();
}
catch (Exception e)
{
_logger.LogError(e.Message);
throw new FailedOperationException();
}
}
public async Task Update(string userId, ArticlePrimaryKey key, UpdateArticleViewModel request)
{
var article = await(await _client.Article().FindAsync(x => x.Id == key.Id).CAF())
.FirstOrDefaultAsync().CAF();
string contentChecksumPreUpdate = ChecksumAlgorithm.ComputeMD5Checksum(article.Content);
_mapper.Map(request, article);
_articleFactory.SetUpdated(article);
await EnsureRequestOfNarrationIfNarratable(article, contentChecksumPreUpdate).CAF();
await _client.Article().FindOneAndReplaceAsync(x => x.Id == key.Id, article).CAF();
}
private async ValueTask EnsureRequestOfNarrationIfNarratable(Article article, string contentChecksumPreUpdate)
{
if (!article.Narratable)
{
return;
}
string contentChecksumPostUpdate = ChecksumAlgorithm.ComputeMD5Checksum(article.Content);
if (contentChecksumPreUpdate == contentChecksumPostUpdate)
{
return;
}
var narrationRequest = _articleFactory.CreateNarrationRequest(article, null);
using var scope = _serviceScopeFactory.CreateScope();
var channel = scope.ServiceProvider.GetRequiredService <Channel <ArticleNarrationRequest> >();
await channel.Writer.WriteAsync(narrationRequest).ConfigureAwait(false);
}
