private async Task <IEnumerable <MangaUpdatedCluster> > Request(DatabaseExternalLink mangaLinks)
{
try
{
var result = (await GetClustersForDel(mangaLinks))
.Where(it => !(it.Item2 is null))
.ToList();
for (var i = 0; i < result.Count; i++)
{
result[i].cluster.Id = mangaLinks.Id;
if (result[i].cluster.Mangas.Any())
{
result[i].link.LastUpdate = result[i].cluster.Mangas.First().Date + 2;
}
}
mangaLinks.UpdatedAt = DateTime.UtcNow;
_database.Update(mangaLinks);
return(result.Select(it => it.Item2));
}
catch (FlurlHttpException ex)
{
_logger.LogCritical($"{ex.Message}");
return(null);
}
}
public bool Update(DatabaseExternalLink links)
{
var col = _db.GetCollection <DatabaseExternalLink>("external_links");
col.EnsureIndex(x => x.Id);
return(col.Upsert(links));
}
private async Task <IEnumerable <(ExtendedLink link, MangaUpdatedCluster cluster)> > GetClustersForDel(
DatabaseExternalLink mangaLinks)
{
var x = mangaLinks.Links.AsParallel()
.Select(it => (it, _config.Services.Manser
.AppendPathSegment("byUrl")
.AppendPathSegment(it.Link.Url)
.SetQueryParam("after", it.LastUpdate)));
var y = x.Select(it => (it.it, Request(it.Item2))).ToList();
await Task.WhenAll(y.Select(it => it.Item2));
return(y.Select(it => (it.it, it.Item2.Result)));
}
