public ProcessPlaylistsJob(
ILogger <ProcessPlaylistsJob> logger,
UserManager <ApplicationUser> userManager,
IPlaylistRepository playlistRepository,
IEntryRepository entryRepository,
IUnitOfWork unitOfWork,
IOptions <StorageSettings> storageSettings,
IOptions <ImageFileStorageSettings> imageFileStorageSettings,
IOptions <AppSettings> appSettings,
IYouTubeParser youTubeParser,
MixcloudParser mixcloudParser) : base(logger)
{
_userManager = userManager;
_unitOfWork = unitOfWork;
_imageFileStorageSettings = imageFileStorageSettings.Value;
_youTubeParser = youTubeParser;
_mixcloudParser = mixcloudParser;
_playlistRepository = playlistRepository;
_entryRepository = entryRepository;
_storageSettings = storageSettings.Value;
_appSettings = appSettings.Value;
}
public async Task <bool> Execute(Guid playlistId, PerformContext context)
{
Log($"Starting playlist processing for {playlistId}");
context.WriteLine($"Starting playlist processing for {playlistId}");
try {
var playlist = await _playlistRepository.GetAsync(playlistId);
var cutoffDate = await _playlistRepository.GetCutoffDate(playlistId);
var user = playlist.Podcast.AppUser;
//first check user has a valid subscription
var subs = user.GetCurrentSubscription();
var isGod = await _userManager.IsInRoleAsync(user, "god-mode");
if (subs is null && !isGod)
{
LogWarning($"User: {user.Id} does not have a valid subscription");
return(false);
}
//next check quotas
Log("Checking quotas");
var quota = user.DiskQuota ?? _storageSettings.DefaultUserQuota;
var totalUsed = (await _entryRepository.GetAllForUserAsync(user.Id))
.Select(x => x.AudioFileSize)
.Sum();
if (totalUsed >= quota)
{
LogError($"Storage quota exceeded for {user.GetBestGuessName()}");
BackgroundJob.Enqueue <INotifyJobCompleteService>(
service => service.NotifyUser(
user.Id.ToString(),
$"Failure processing playlist\n{playlist.Podcast.Title}\n",
$"Your have exceeded your storage quota of {quota.Bytes().ToString()}",
playlist.Podcast.GetAuthenticatedUrl(_appSettings.SiteUrl),
playlist.Podcast.GetThumbnailUrl(_storageSettings.CdnUrl,
_imageFileStorageSettings.ContainerName),
NotificationOptions.StorageExceeded
));
return(false);
}
Log("Quotas passed");
//check for active subscription
var resultList = new List <ParsedItemResult>();
var count = user.PlaylistAllowedEntryCount ?? _storageSettings.DefaultEntryCount;
if (_youTubeParser.ValidateUrl(playlist.SourceUrl))
{
Log("Parsing YouTube");
var url = playlist.SourceUrl;
resultList = await _youTubeParser
.GetEntries(
url,
user.Id,
cutoffDate,
count);
}
else if (MixcloudParser.ValidateUrl(playlist.SourceUrl))
{
Log("Parsing MixCloud");
var entries = await _mixcloudParser
.GetEntries(playlist.SourceUrl, count);
resultList = entries
.OrderBy(r => r.UploadDate)
.Take(_storageSettings.DefaultEntryCount)
.ToList();
}
Log($"Found {resultList.Count} candidates");
//order in reverse so the newest item is added first
foreach (var item in resultList.Where(item =>
playlist.PodcastEntries.All(e => e.SourceItemId != item.Id)))
{
await _trimPlaylist(playlist, count);
Log($"Found candidate\n\tParsedId:{item.Id}\n\tPodcastId:{playlist.Podcast.Id}\n\t{playlist.Id}");
BackgroundJob
.Enqueue <ProcessPlaylistItemJob>(
service => service.Execute(item, playlist.Id, null)
);
}
Log($"Finished playlists");
return(true);
} catch (PlaylistExpiredException) {
//TODO: Remove playlist and notify user
LogError($"Playlist: {playlistId} cannot be found");
} catch (Exception ex) {
LogError(ex.Message);
context.WriteLine($"ERROR(ProcessPlayListJob): {ex.Message}");
}
return(false);
}