jellyfin-server/MediaBrowser.LocalMetadata/BaseXmlProvider.cs

101 lines
2.4 KiB
C#
Raw Normal View History

2016-03-27 21:11:27 +00:00
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Providers;
2014-07-08 01:41:03 +00:00
using System.IO;
using System.Threading;
using System.Threading.Tasks;
2017-05-26 06:48:54 +00:00
2016-10-25 19:02:04 +00:00
using MediaBrowser.Controller.IO;
using MediaBrowser.Model.IO;
namespace MediaBrowser.LocalMetadata
{
2016-04-28 01:59:09 +00:00
public abstract class BaseXmlProvider<T> : ILocalMetadataProvider<T>, IHasItemChangeMonitor, IHasOrder
where T : IHasMetadata, new()
{
protected IFileSystem FileSystem;
2015-08-02 17:31:08 +00:00
public async Task<MetadataResult<T>> GetMetadata(ItemInfo info,
2014-10-25 18:32:58 +00:00
IDirectoryService directoryService,
CancellationToken cancellationToken)
{
2015-08-02 17:31:08 +00:00
var result = new MetadataResult<T>();
2014-10-25 18:32:58 +00:00
var file = GetXmlFile(info, directoryService);
if (file == null)
{
return result;
}
var path = file.FullName;
try
{
result.Item = new T();
2014-02-09 04:52:52 +00:00
Fetch(result, path, cancellationToken);
result.HasMetadata = true;
}
catch (FileNotFoundException)
{
result.HasMetadata = false;
}
2016-10-30 07:02:23 +00:00
catch (IOException)
2014-02-10 18:39:41 +00:00
{
result.HasMetadata = false;
}
return result;
}
2015-08-02 17:31:08 +00:00
protected abstract void Fetch(MetadataResult<T> result, string path, CancellationToken cancellationToken);
protected BaseXmlProvider(IFileSystem fileSystem)
{
FileSystem = fileSystem;
}
2015-10-04 03:38:46 +00:00
protected abstract FileSystemMetadata GetXmlFile(ItemInfo info, IDirectoryService directoryService);
2014-02-10 20:11:46 +00:00
2016-04-28 01:59:09 +00:00
public bool HasChanged(IHasMetadata item, IDirectoryService directoryService)
{
2015-05-15 15:46:20 +00:00
var file = GetXmlFile(new ItemInfo(item), directoryService);
if (file == null)
{
return false;
}
2016-04-28 01:59:09 +00:00
return file.Exists && FileSystem.GetLastWriteTimeUtc(file) > item.DateLastSaved;
}
public string Name
{
get
{
2014-11-11 03:41:55 +00:00
return XmlProviderUtils.Name;
}
}
2014-11-11 03:41:55 +00:00
public virtual int Order
2015-01-10 05:53:35 +00:00
{
get
{
// After Nfo
return 1;
}
}
}
static class XmlProviderUtils
{
2014-11-11 03:41:55 +00:00
public static string Name
{
get
{
2015-04-01 04:23:34 +00:00
return "Emby Xml";
2014-11-11 03:41:55 +00:00
}
}
}
}