83 lines
2.3 KiB
C#
83 lines
2.3 KiB
C#
#pragma warning disable CS1591
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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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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.IO;
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using MediaBrowser.XbmcMetadata.Savers;
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namespace MediaBrowser.XbmcMetadata.Providers
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{
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public abstract class BaseNfoProvider<T> : ILocalMetadataProvider<T>, IHasItemChangeMonitor
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where T : BaseItem, new()
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{
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private readonly IFileSystem _fileSystem;
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protected BaseNfoProvider(IFileSystem fileSystem)
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{
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_fileSystem = fileSystem;
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}
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/// <inheritdoc />
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public string Name => BaseNfoSaver.SaverName;
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/// <inheritdoc />
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public Task<MetadataResult<T>> GetMetadata(
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ItemInfo info,
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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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var file = GetXmlFile(info, directoryService);
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if (file is null)
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{
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return Task.FromResult(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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{
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IndexNumber = info.IndexNumber
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};
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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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catch (IOException)
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{
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result.HasMetadata = false;
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}
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return Task.FromResult(result);
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}
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/// <inheritdoc />
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public bool HasChanged(BaseItem item, IDirectoryService directoryService)
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{
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var file = GetXmlFile(new ItemInfo(item), directoryService);
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if (file is null)
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{
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return false;
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}
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return file.Exists && _fileSystem.GetLastWriteTimeUtc(file) > item.DateLastSaved;
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}
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protected abstract void Fetch(MetadataResult<T> result, string path, CancellationToken cancellationToken);
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protected abstract FileSystemMetadata? GetXmlFile(ItemInfo info, IDirectoryService directoryService);
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}
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}
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