2016-03-27 17:11:27 -04:00
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using MediaBrowser.Controller.Entities;
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2014-06-29 23:04:50 -04:00
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using MediaBrowser.Controller.Providers;
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2014-07-07 21:41:03 -04:00
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using System.IO;
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using System.Threading;
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using System.Threading.Tasks;
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2017-05-26 02:48:54 -04:00
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2016-10-25 15:02:04 -04:00
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using MediaBrowser.Controller.IO;
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using MediaBrowser.Model.IO;
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2014-01-28 13:37:01 -05:00
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2014-06-29 23:04:50 -04:00
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namespace MediaBrowser.LocalMetadata
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{
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2016-04-27 21:59:09 -04:00
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public abstract class BaseXmlProvider<T> : ILocalMetadataProvider<T>, IHasItemChangeMonitor, IHasOrder
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2014-02-05 23:39:16 -05:00
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where T : IHasMetadata, new()
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2014-01-28 13:37:01 -05:00
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{
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protected IFileSystem FileSystem;
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2015-08-02 13:31:08 -04:00
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public async Task<MetadataResult<T>> GetMetadata(ItemInfo info,
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2014-10-25 14:32:58 -04:00
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IDirectoryService directoryService,
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CancellationToken cancellationToken)
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{
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var result = new MetadataResult<T>();
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2014-02-05 23:39:16 -05:00
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2014-10-25 14:32:58 -04:00
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var file = GetXmlFile(info, directoryService);
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2014-02-05 23:39:16 -05:00
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if (file == null)
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{
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return result;
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}
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var path = file.FullName;
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try
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{
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result.Item = new T();
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2014-02-08 23:52:52 -05:00
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Fetch(result, path, cancellationToken);
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result.HasMetadata = true;
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}
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catch (FileNotFoundException)
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{
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result.HasMetadata = false;
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}
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2016-10-30 03:02:23 -04:00
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catch (IOException)
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2014-02-10 13:39:41 -05:00
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{
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result.HasMetadata = false;
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}
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2014-02-05 23:39:16 -05:00
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return result;
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}
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2015-08-02 13:31:08 -04:00
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protected abstract void Fetch(MetadataResult<T> result, string path, CancellationToken cancellationToken);
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2014-02-05 23:39:16 -05:00
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2014-01-28 13:37:01 -05:00
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protected BaseXmlProvider(IFileSystem fileSystem)
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{
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FileSystem = fileSystem;
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}
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2015-10-03 23:38:46 -04:00
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protected abstract FileSystemMetadata GetXmlFile(ItemInfo info, IDirectoryService directoryService);
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2014-02-10 15:11:46 -05:00
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2016-04-27 21:59:09 -04:00
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public bool HasChanged(IHasMetadata item, IDirectoryService directoryService)
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2014-01-28 13:37:01 -05:00
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{
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2015-05-15 11:46:20 -04:00
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var file = GetXmlFile(new ItemInfo(item), directoryService);
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2014-02-05 23:39:16 -05:00
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if (file == null)
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{
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return false;
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}
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2014-01-28 13:37:01 -05:00
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2016-04-27 21:59:09 -04:00
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return file.Exists && FileSystem.GetLastWriteTimeUtc(file) > item.DateLastSaved;
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2014-01-28 13:37:01 -05:00
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}
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2014-01-29 11:16:24 -05:00
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2014-02-05 23:39:16 -05:00
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public string Name
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2014-01-29 11:16:24 -05:00
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{
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get
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{
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2014-11-10 22:41:55 -05:00
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return XmlProviderUtils.Name;
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2014-02-05 23:39:16 -05:00
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}
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2014-01-29 11:16:24 -05:00
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}
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2014-11-10 22:41:55 -05:00
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2016-08-05 17:15:48 -04:00
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public virtual int Order
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2015-01-10 00:53:35 -05:00
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{
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get
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{
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// After Nfo
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return 1;
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}
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}
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2014-01-28 13:37:01 -05:00
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}
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2014-02-05 23:39:16 -05:00
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static class XmlProviderUtils
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{
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public static string Name
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{
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get
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{
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2015-04-01 00:23:34 -04:00
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return "Emby Xml";
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2014-11-10 22:41:55 -05:00
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}
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}
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2014-02-05 23:39:16 -05:00
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}
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2014-01-28 13:37:01 -05:00
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}
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