using MediaBrowser.Common.IO ;
using MediaBrowser.Controller.Entities ;
using MediaBrowser.Controller.Providers ;
using MediaBrowser.Model.Logging ;
using MediaBrowser.XbmcMetadata.Savers ;
using System ;
using System.IO ;
using System.Threading ;
using System.Threading.Tasks ;
namespace MediaBrowser.XbmcMetadata.Providers
{
public abstract class BaseNfoProvider < T > : ILocalMetadataProvider < T > , IHasChangeMonitor
where T : IHasMetadata , new ( )
{
protected IFileSystem FileSystem ;
public async Task < LocalMetadataResult < T > > GetMetadata ( ItemInfo info , CancellationToken cancellationToken )
{
var result = new LocalMetadataResult < T > ( ) ;
var file = GetXmlFile ( info , new DirectoryService ( new NullLogger ( ) ) ) ;
if ( file = = null )
{
return result ;
}
var path = file . FullName ;
try
{
result . Item = new T ( ) ;
Fetch ( result , path , cancellationToken ) ;
result . HasMetadata = true ;
}
catch ( FileNotFoundException )
{
result . HasMetadata = false ;
}
catch ( DirectoryNotFoundException )
{
result . HasMetadata = false ;
}
return result ;
}
protected abstract void Fetch ( LocalMetadataResult < T > result , string path , CancellationToken cancellationToken ) ;
protected BaseNfoProvider ( IFileSystem fileSystem )
{
FileSystem = fileSystem ;
}
protected abstract FileSystemInfo GetXmlFile ( ItemInfo info , IDirectoryService directoryService ) ;
public bool HasChanged ( IHasMetadata item , IDirectoryService directoryService , DateTime date )
{
var file = GetXmlFile ( new ItemInfo { IsInMixedFolder = item . IsInMixedFolder , Path = item . Path } , directoryService ) ;
if ( file = = null )
{
return false ;
}
return file . Exists & & FileSystem . GetLastWriteTimeUtc ( file ) > date ;
}
public string Name
{
get
{
return BaseNfoSaver . SaverName ;
}
}
}
static class XmlProviderUtils
{
internal static readonly SemaphoreSlim XmlParsingResourcePool = new SemaphoreSlim ( 4 , 4 ) ;
}
}