public async Task DeleteEmptyFolder(FolderModel folder, CancellationToken cancellationToken)
{
if (folder.HasContent)
{
throw new InvalidOperationException($"Can not delete non-empty folder '{folder.Name}'");
}
logger.LogInformation($"Deleting folder '{folder.Name}' ...");
await storageRepository.DeleteFolder(folder, cancellationToken);
var hasAdviseGroup = folder.AdviseGroup != null;
if (hasAdviseGroup)
{
// We erase advise group so that it could be deleted when no references left.
folder.AdviseGroup = null;
}
folder.DeleteDate = clock.Now;
await foldersRepository.UpdateFolder(folder, cancellationToken);
if (hasAdviseGroup)
{
await adviseGroupService.DeleteOrphanAdviseGroups(cancellationToken);
}
logger.LogInformation($"The folder '{folder.Name}' was deleted successfully");
}
public async Task DeleteDisc(ItemId discId, string deleteComment, CancellationToken cancellationToken)
{
var deleteTime = clock.Now;
var disc = DiscLibrary.GetDisc(discId);
logger.LogInformation($"Deleting the disc '{disc.TreeTitle}' ...");
foreach (var song in disc.ActiveSongs)
{
await songsService.DeleteSong(song, deleteTime, deleteComment, cancellationToken);
}
if (disc.CoverImage != null)
{
logger.LogInformation($"Deleting disc cover image '{disc.CoverImage.TreeTitle}' ...");
await DeleteDiscCoverImage(disc.CoverImage, cancellationToken);
}
var updateDisc = false;
var deleteOrphanAdviseGroups = false;
if (disc.AdviseGroup != null)
{
// We erase advise group so that it could be deleted when no references left.
disc.AdviseGroup = null;
updateDisc = true;
deleteOrphanAdviseGroups = true;
}
if (disc.AdviseSetInfo != null)
{
// We erase advise set for several reasons:
// 1. In order to unnecessary (empty) advise sets could be deleted (manually).
// 2. In order to deleted discs do not interfere with active discs within same advise set.
// Otherwise some care should be taken in adviser for handling this case.
// Overall there is no any use of advise sets for deleted discs.
disc.AdviseSetInfo = null;
updateDisc = true;
}
if (updateDisc)
{
await discsRepository.UpdateDisc(disc, cancellationToken);
}
if (deleteOrphanAdviseGroups)
{
await adviseGroupService.DeleteOrphanAdviseGroups(cancellationToken);
}
logger.LogInformation($"The Disc '{disc.TreeTitle}' was deleted successfully");
}
