public void DeleteMediaItem(ResourcePath path)
{
try
{
_contentDirectory.DeleteMediaItemOrPath(_localSystemId, path, true);
}
catch (Exception)
{
throw new DisconnectedException();
}
}
public override bool Process(MediaItem mediaItem, out ContentDirectoryMessaging.MediaItemChangeType changeType)
{
changeType = ContentDirectoryMessaging.MediaItemChangeType.None;
var rl = mediaItem.GetResourceLocator();
using (var ra = rl.CreateAccessor())
{
var rad = ra as IResourceDeletor;
if (rad == null)
{
return(false);
}
// First try to delete the file from storage.
if (rad.Delete())
{
changeType = ContentDirectoryMessaging.MediaItemChangeType.Deleted;
// If the MediaItem was loaded from ML, remove it there as well.
if (IsManagedByMediaLibrary(mediaItem))
{
IContentDirectory cd = ServiceRegistration.Get <IServerConnectionManager>().ContentDirectory;
if (cd == null)
{
return(true);
}
cd.DeleteMediaItemOrPath(rl.NativeSystemId, rl.NativeResourcePath, true);
return(true);
}
}
}
return(false);
}
public override bool Process(MediaItem mediaItem, out ContentDirectoryMessaging.MediaItemChangeType changeType)
{
IContentDirectory cd = ServiceRegistration.Get <IServerConnectionManager>().ContentDirectory;
bool removeFromML = IsManagedByMediaLibrary(mediaItem) && cd != null;
changeType = ContentDirectoryMessaging.MediaItemChangeType.None;
// Support multi-resource media items and secondary resources
IList <MultipleMediaItemAspect> providerAspects;
if (!MediaItemAspect.TryGetAspects(mediaItem.Aspects, ProviderResourceAspect.Metadata, out providerAspects))
{
return(false);
}
foreach (MultipleMediaItemAspect providerAspect in providerAspects)
{
string systemId = (string)providerAspect[ProviderResourceAspect.ATTR_SYSTEM_ID];
string resourceAccessorPath = (string)providerAspect[ProviderResourceAspect.ATTR_RESOURCE_ACCESSOR_PATH];
var rl = new ResourceLocator(systemId, ResourcePath.Deserialize(resourceAccessorPath));
using (var ra = rl.CreateAccessor())
{
var rad = ra as IResourceDeletor;
if (rad == null)
{
return(false);
}
// First try to delete the file from storage.
if (!rad.Delete())
{
return(false);
}
changeType = ContentDirectoryMessaging.MediaItemChangeType.Deleted;
// If the MediaItem was loaded from ML, remove it there as well.
if (removeFromML)
{
cd.DeleteMediaItemOrPath(rl.NativeSystemId, rl.NativeResourcePath, true);
}
}
}
// Check for special cases here:
// 1) Recordings have an additional .xml attached
// 2) Deleting files could lead to empty folders that should be also removed
foreach (DeleteRule rule in _defaultRules.Where(r => r.IsEnabled))
{
if (mediaItem.Aspects.ContainsKey(rule.HasAspectGuid))
{
var tsPath = mediaItem.GetResourceLocator().NativeResourcePath.ToString();
foreach (string otherExtension in rule.DeleteOtherExtensions)
{
string otherFilePath = ProviderPathHelper.ChangeExtension(tsPath, otherExtension);
IResourceAccessor ra;
if (!ResourcePath.Deserialize(otherFilePath).TryCreateLocalResourceAccessor(out ra))
{
continue;
}
// Delete other file. We do not check here for existance of file, the Delete needs to handle this.
using (ra)
{
var rad = ra as IResourceDeletor;
rad?.Delete();
}
}
if (rule.DeleteEmptyFolders)
{
var folderPath = ProviderPathHelper.GetDirectoryName(tsPath);
IResourceAccessor ra;
if (!ResourcePath.Deserialize(folderPath).TryCreateLocalResourceAccessor(out ra))
{
continue;
}
// Delete folder if empty
using (ra)
{
IFileSystemResourceAccessor fsra = ra as IFileSystemResourceAccessor;
if (fsra != null)
{
var isEmpty = fsra.GetFiles().Count == 0 && fsra.GetChildDirectories().Count == 0;
if (isEmpty)
{
var rad = ra as IResourceDeletor;
rad?.Delete();
}
}
}
}
}
}
return(true);
}
