/// <summary>
/// Checks if a potential series folder has season folders
/// </summary>
/// <param name="seriesFolder">Potential series folder accessor</param>
/// <param name="knownSeasonNo">Number of a known season if available</param>
/// <returns>True if folder has season folders</returns>
public static bool IsSeriesFolder(IFileSystemResourceAccessor seriesFolder, int?knownSeasonNo = null)
{
if (seriesFolder == null)
{
return(false);
}
int maxInvalidFolders = 3;
var seasonFolders = seriesFolder.GetChildDirectories();
var seasonNos = seasonFolders.Select(GetSeasonFromFolder).ToList();
var invalidSeasonCount = seasonNos.Count(s => s < 0);
var validSeasonCount = seasonNos.Count(s => s >= 0);
if (invalidSeasonCount <= maxInvalidFolders && validSeasonCount > 0)
{
return(true);
}
if (invalidSeasonCount > maxInvalidFolders)
{
return(false);
}
if (validSeasonCount > 0 && knownSeasonNo >= 0 && !seasonNos.Contains(knownSeasonNo.Value))
{
return(false);
}
return(true);
}
/// <summary>
/// Returns all child directories of the given directory.
/// </summary>
/// <remarks>
/// This will return all native child directories of the given directory together with all virtual child
/// directories. The native child directories are taken directly from the given <paramref name="directoryAccessor"/>,
/// the virtual child directories are obtained by taking the root directories of each chained resource provider applied
/// to the child files of the given directory.
/// If, for example, the given <paramref name="directoryAccessor"/> contains a child directory "A" and a child
/// archive file "B" which can work as input for an installed archive provider, providing the root directory "C"
/// of that archive, this method will return the resource accessors for directories "A" and "C".
/// </remarks>
/// <param name="directoryAccessor">Directory resource accessor to get all child directories for.</param>
/// <param name="showSystemResources">If set to <c>true</c>, system resources like the virtual drives and directories of the
/// <see cref="IResourceMountingService"/> will also be returned, else removed from the result value.</param>
/// <returns>Collection of directory accessors for all native and virtual child directories or <c>null</c>,
/// if the given <paramref name="directoryAccessor"/> does not point to a directory and
/// if there is no chained resource provider to unfold the given file.</returns>
public static ICollection<IFileSystemResourceAccessor> GetChildDirectories(IFileSystemResourceAccessor directoryAccessor, bool showSystemResources)
{
IResourceMountingService resourceMountingService = ServiceRegistration.Get<IResourceMountingService>();
IFileSystemResourceAccessor chainedResourceAccesor; // Needed in multiple source locations, that's why we declare it here
// If directoryAccessor points to a directory, we return all actual subdirectories and the virtual subdirectories
// we can create by using all available ChainedResourceProviders on all contained files.
if (!directoryAccessor.IsFile)
{
ICollection<IFileSystemResourceAccessor> childDirectories = directoryAccessor.GetChildDirectories();
ICollection<IFileSystemResourceAccessor> result = new List<IFileSystemResourceAccessor>();
if (childDirectories != null)
// Directories are maybe filtered and then just added
foreach (IFileSystemResourceAccessor childDirectoryAccessor in childDirectories)
{
if (!showSystemResources && resourceMountingService.IsVirtualResource(childDirectoryAccessor.CanonicalLocalResourcePath))
{
childDirectoryAccessor.Dispose();
continue;
}
result.Add(childDirectoryAccessor);
}
ICollection<IFileSystemResourceAccessor> files = directoryAccessor.GetFiles();
if (files != null)
// For files, we try to chain up chained resource providers
foreach (IFileSystemResourceAccessor fileAccessor in files)
using (fileAccessor)
{
if (!showSystemResources && resourceMountingService.IsVirtualResource(fileAccessor.CanonicalLocalResourcePath))
continue;
if (TryUnfold(fileAccessor, out chainedResourceAccesor))
if (!chainedResourceAccesor.IsFile)
result.Add(chainedResourceAccesor);
else
chainedResourceAccesor.Dispose();
// Simply ignore files because we only want to return directories
}
return result;
}
// Try to unfold file resource
if (TryUnfold(directoryAccessor, out chainedResourceAccesor))
{
if (!chainedResourceAccesor.IsFile)
return new List<IFileSystemResourceAccessor>(new IFileSystemResourceAccessor[] {chainedResourceAccesor});
chainedResourceAccesor.Dispose();
return new List<IFileSystemResourceAccessor>();
}
return null;
}
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));
}
/// <summary>
/// Returns all child directories of the given directory.
/// </summary>
/// <remarks>
/// This will return all native child directories of the given directory together with all virtual child
/// directories. The native child directories are taken directly from the given <paramref name="directoryAccessor"/>,
/// the virtual child directories are obtained by taking the root directories of each chained resource provider applied
/// to the child files of the given directory.
/// If, for example, the given <paramref name="directoryAccessor"/> contains a child directory "A" and a child
/// archive file "B" which can work as input for an installed archive provider, providing the root directory "C"
/// of that archive, this method will return the resource accessors for directories "A" and "C".
/// </remarks>
/// <param name="directoryAccessor">Directory resource accessor to get all child directories for.</param>
/// <param name="showSystemResources">If set to <c>true</c>, system resources like the virtual drives and directories of the
/// <see cref="IResourceMountingService"/> will also be returned, else removed from the result value.</param>
/// <returns>Collection of directory accessors for all native and virtual child directories or <c>null</c>,
/// if the given <paramref name="directoryAccessor"/> is not a <see cref="IFileSystemResourceAccessor"/> and
/// if there is no chained resource provider to unfold the given directory.</returns>
public static ICollection <IFileSystemResourceAccessor> GetChildDirectories(IFileSystemResourceAccessor directoryAccessor, bool showSystemResources)
{
IResourceMountingService resourceMountingService = ServiceRegistration.Get <IResourceMountingService>();
IFileSystemResourceAccessor chainedResourceAccesor; // Needed in multiple source locations, that's why we declare it here
ICollection <IFileSystemResourceAccessor> childDirectories = directoryAccessor.GetChildDirectories();
ICollection <IFileSystemResourceAccessor> result = new List <IFileSystemResourceAccessor>();
if (childDirectories != null)
{
// Directories are maybe filtered and then just added
foreach (IFileSystemResourceAccessor childDirectoryAccessor in childDirectories)
{
if (!showSystemResources && resourceMountingService.IsVirtualResource(childDirectoryAccessor.CanonicalLocalResourcePath))
{
childDirectoryAccessor.Dispose();
continue;
}
result.Add(childDirectoryAccessor);
}
}
ICollection <IFileSystemResourceAccessor> files = directoryAccessor.GetFiles();
if (files != null)
{
// For files, we try to chain up chained resource providers
foreach (IFileSystemResourceAccessor fileAccessor in files)
{
using (fileAccessor)
{
if (!showSystemResources && resourceMountingService.IsVirtualResource(fileAccessor.CanonicalLocalResourcePath))
{
continue;
}
if (TryUnfold(fileAccessor, out chainedResourceAccesor))
{
if (!chainedResourceAccesor.IsFile)
{
result.Add(chainedResourceAccesor);
}
else
{
chainedResourceAccesor.Dispose();
}
}
// Simply ignore files because we only want to return directories
}
}
}
if (result.Count > 0)
{
return(result);
}
// Try to unfold simple resource
if (TryUnfold(directoryAccessor, out chainedResourceAccesor))
{
if (!chainedResourceAccesor.IsFile)
{
return(new List <IFileSystemResourceAccessor>(new IFileSystemResourceAccessor[] { chainedResourceAccesor }));
}
chainedResourceAccesor.Dispose();
}
return(null);
}
/// <summary>
/// Returns all child directories of the given directory.
/// </summary>
/// <remarks>
/// This will return all native child directories of the given directory together with all virtual child
/// directories. The native child directories are taken directly from the given <paramref name="directoryAccessor"/>,
/// the virtual child directories are obtained by taking the root directories of each chained resource provider applied
/// to the child files of the given directory.
/// If, for example, the given <paramref name="directoryAccessor"/> contains a child directory "A" and a child
/// archive file "B" which can work as input for an installed archive provider, providing the root directory "C"
/// of that archive, this method will return the resource accessors for directories "A" and "C".
/// </remarks>
/// <param name="directoryAccessor">Directory resource accessor to get all child directories for.</param>
/// <param name="showSystemResources">If set to <c>true</c>, system resources like the virtual drives and directories of the
/// <see cref="IResourceMountingService"/> will also be returned, else removed from the result value.</param>
/// <returns>Collection of directory accessors for all native and virtual child directories or <c>null</c>,
/// if the given <paramref name="directoryAccessor"/> is not a <see cref="IFileSystemResourceAccessor"/> and
/// if there is no chained resource provider to unfold the given directory.</returns>
public static ICollection <IFileSystemResourceAccessor> GetChildDirectories(IResourceAccessor directoryAccessor, bool showSystemResources)
{
IResourceMountingService resourceMountingService = ServiceRegistration.Get <IResourceMountingService>();
IResourceAccessor chainedResourceAccesor; // Needed in multiple source locations, that's why we declare it here
if (directoryAccessor is IFileSystemResourceAccessor)
{
IFileSystemResourceAccessor dirFsra = (IFileSystemResourceAccessor)directoryAccessor;
ICollection <IFileSystemResourceAccessor> childDirectories = dirFsra.GetChildDirectories();
ICollection <IFileSystemResourceAccessor> result = new List <IFileSystemResourceAccessor>();
if (childDirectories != null)
{
// Directories are maybe filtered and then just added
foreach (IFileSystemResourceAccessor childDirectoryAccessor in childDirectories)
{
if (!showSystemResources && resourceMountingService.IsVirtualResource(childDirectoryAccessor.CanonicalLocalResourcePath))
{
childDirectoryAccessor.Dispose();
continue;
}
result.Add(childDirectoryAccessor);
}
}
ICollection <IFileSystemResourceAccessor> files = dirFsra.GetFiles();
if (files != null)
{
// For files, we try to chain up chained resource providers
foreach (IFileSystemResourceAccessor fileAccessor in files)
{
if (!showSystemResources && resourceMountingService.IsVirtualResource(fileAccessor.CanonicalLocalResourcePath))
{
fileAccessor.Dispose();
continue;
}
if (TryUnfold(fileAccessor, out chainedResourceAccesor))
{
IFileSystemResourceAccessor chainedFsra = chainedResourceAccesor as IFileSystemResourceAccessor;
if (chainedFsra != null)
{
result.Add(chainedFsra);
}
else
{
chainedResourceAccesor.Dispose();
}
}
else
{
fileAccessor.Dispose();
}
}
}
return(result);
}
// Try to unfold simple resource
IResourceAccessor dra = directoryAccessor.Clone();
try
{
if (TryUnfold(dra, out chainedResourceAccesor))
{
IFileSystemResourceAccessor chainedFsra = chainedResourceAccesor as IFileSystemResourceAccessor;
if (chainedFsra != null)
{
return(new List <IFileSystemResourceAccessor>(new IFileSystemResourceAccessor[] { chainedFsra }));
}
chainedResourceAccesor.Dispose();
}
else
{
dra.Dispose();
}
}
catch
{
dra.Dispose();
throw;
}
return(null);
}
