public static MediaItem CreateMediaItem(string filename)
{
IMediaAccessor mediaAccessor = ServiceRegistration.Get <IMediaAccessor>();
IEnumerable <Guid> meIds = mediaAccessor.GetMetadataExtractorsForMIATypes(NECESSARY_VIDEO_MIAS);
ResourceLocator resourceLocator = new ResourceLocator(LocalFsResourceProviderBase.ToResourcePath(filename));
IResourceAccessor ra = resourceLocator.CreateAccessor();
if (ra == null)
{
return(null);
}
using (ra)
return(mediaAccessor.CreateLocalMediaItem(ra, meIds));
}
protected virtual async Task <bool> SaveSubtitleAsync(SubtitleInfo subtitle, IDictionary <BaseSubtitleMatch <TId>, byte[]> downloads, bool overwriteExisting)
{
var mediaFile = subtitle.MediaFiles.First();
var namingTemplate = ResourcePath.GetFileNameWithoutExtension(mediaFile.NativeResourcePath.FileName);
var templatePartMatch = _regexMultiPartVideo.Match(namingTemplate);
foreach (var subtitleMatch in downloads.Keys)
{
var subPartMatch = _regexMultiPartVideo.Match(subtitleMatch.ItemName);
string subName = namingTemplate;
if (subPartMatch.Success && templatePartMatch.Success)
{
if (!int.TryParse(templatePartMatch.Groups["disc"].Value, out var _) || !int.TryParse(subPartMatch.Groups["disc"].Value, out var partNum))
{
continue;
}
subName = _regexMultiPartVideo.Replace(namingTemplate, "${1}${2}${4}" + partNum + "${3}");
}
string lang = new CultureInfo(subtitleMatch.Language).EnglishName;
var dir = ResourcePathHelper.GetDirectoryName(mediaFile.NativeResourcePath.Serialize());
var sub = $"{subName}.{lang}{Path.GetExtension(subtitleMatch.ItemName)}";
ResourcePath subtitlePath = ResourcePath.Deserialize(dir);
//File based access
var resLoc = new ResourceLocator(mediaFile.NativeSystemId, subtitlePath);
using (IResourceAccessor mediaItemAccessor = resLoc.CreateAccessor())
using (LocalFsResourceAccessorHelper rah = new LocalFsResourceAccessorHelper(mediaItemAccessor))
using (rah.LocalFsResourceAccessor.EnsureLocalFileSystemAccess())
{
using (var stream = rah.LocalFsResourceAccessor.CreateOpenWrite(sub, overwriteExisting))
{
var bytes = downloads[subtitleMatch];
if (stream != null)
{
await stream.WriteAsync(bytes, 0, bytes.Length);
}
}
}
}
return(true);
}
public override async Task <AsyncResult <ContentDirectoryMessaging.MediaItemChangeType> > ProcessAsync(MediaItem mediaItem)
{
IContentDirectory cd = ServiceRegistration.Get <IServerConnectionManager>().ContentDirectory;
bool removeFromML = IsManagedByMediaLibrary(mediaItem) && cd != null;
var falseResult = new AsyncResult <ContentDirectoryMessaging.MediaItemChangeType>(false, ContentDirectoryMessaging.MediaItemChangeType.None);
// Support multi-resource media items and secondary resources
IList <MultipleMediaItemAspect> providerAspects;
if (!MediaItemAspect.TryGetAspects(mediaItem.Aspects, ProviderResourceAspect.Metadata, out providerAspects))
{
return(falseResult);
}
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(falseResult);
}
// First try to delete the file from storage.
if (!rad.Delete())
{
return(falseResult);
}
// If the MediaItem was loaded from ML, remove it there as well.
if (removeFromML)
{
await cd.DeleteMediaItemOrPathAsync(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(new AsyncResult <ContentDirectoryMessaging.MediaItemChangeType>(true, ContentDirectoryMessaging.MediaItemChangeType.Deleted));
}