mirror of
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232 lines
7.5 KiB
C#
232 lines
7.5 KiB
C#
using System.Runtime.Serialization;
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using MediaBrowser.Common.Progress;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Configuration;
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using MediaBrowser.Model.Entities;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Controller.Entities.Audio
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{
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/// <summary>
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/// Class MusicArtist
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/// </summary>
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public class MusicArtist : Folder, IMetadataContainer, IItemByName, IHasMusicGenres, IHasDualAccess, IHasProductionLocations, IHasLookupInfo<ArtistInfo>
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{
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public bool IsAccessedByName { get; set; }
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public List<string> ProductionLocations { get; set; }
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public override bool IsFolder
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{
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get
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{
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return !IsAccessedByName;
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}
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}
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[IgnoreDataMember]
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public override bool SupportsAddingToPlaylist
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{
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get { return true; }
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}
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protected override IEnumerable<BaseItem> ActualChildren
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{
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get
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{
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if (IsAccessedByName)
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{
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return new List<BaseItem>();
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}
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return base.ActualChildren;
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}
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}
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private readonly Task _cachedTask = Task.FromResult(true);
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protected override Task ValidateChildrenInternal(IProgress<double> progress, CancellationToken cancellationToken, bool recursive, bool refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService)
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{
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if (IsAccessedByName)
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{
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// Should never get in here anyway
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return _cachedTask;
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}
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return base.ValidateChildrenInternal(progress, cancellationToken, recursive, refreshChildMetadata, refreshOptions, directoryService);
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}
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public MusicArtist()
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{
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ProductionLocations = new List<string>();
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}
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/// <summary>
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/// Gets the user data key.
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/// </summary>
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/// <returns>System.String.</returns>
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public override string GetUserDataKey()
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{
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return GetUserDataKey(this);
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}
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/// <summary>
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/// Returns the folder containing the item.
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/// If the item is a folder, it returns the folder itself
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/// </summary>
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/// <value>The containing folder path.</value>
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public override string ContainingFolderPath
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{
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get
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{
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return Path;
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}
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}
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/// <summary>
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/// Gets a value indicating whether this instance is owned item.
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/// </summary>
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/// <value><c>true</c> if this instance is owned item; otherwise, <c>false</c>.</value>
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public override bool IsOwnedItem
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{
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get
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{
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return false;
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}
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}
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/// <summary>
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/// Gets the user data key.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <returns>System.String.</returns>
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private static string GetUserDataKey(MusicArtist item)
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{
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var id = item.GetProviderId(MetadataProviders.MusicBrainzArtist);
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if (!string.IsNullOrEmpty(id))
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{
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return "Artist-Musicbrainz-" + id;
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}
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return "Artist-" + item.Name;
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}
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protected override bool GetBlockUnratedValue(UserConfiguration config)
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{
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return config.BlockUnratedItems.Contains(UnratedItem.Music);
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}
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public async Task RefreshAllMetadata(MetadataRefreshOptions refreshOptions, IProgress<double> progress, CancellationToken cancellationToken)
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{
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var items = RecursiveChildren.ToList();
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var songs = items.OfType<Audio>().ToList();
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var others = items.Except(songs).ToList();
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var totalItems = songs.Count + others.Count;
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var percentages = new Dictionary<Guid, double>(totalItems);
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var tasks = new List<Task>();
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// Refresh songs
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foreach (var item in songs)
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{
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if (tasks.Count >= 3)
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{
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await Task.WhenAll(tasks).ConfigureAwait(false);
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tasks.Clear();
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}
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cancellationToken.ThrowIfCancellationRequested();
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var innerProgress = new ActionableProgress<double>();
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// Avoid implicitly captured closure
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var currentChild = item;
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innerProgress.RegisterAction(p =>
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{
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lock (percentages)
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{
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percentages[currentChild.Id] = p / 100;
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var percent = percentages.Values.Sum();
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percent /= totalItems;
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percent *= 100;
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progress.Report(percent);
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}
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});
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var taskChild = item;
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tasks.Add(Task.Run(async () => await RefreshItem(taskChild, refreshOptions, innerProgress, cancellationToken).ConfigureAwait(false), cancellationToken));
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}
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await Task.WhenAll(tasks).ConfigureAwait(false);
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tasks.Clear();
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// Refresh current item
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await RefreshMetadata(refreshOptions, cancellationToken).ConfigureAwait(false);
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// Refresh all non-songs
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foreach (var item in others)
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{
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if (tasks.Count >= 3)
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{
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await Task.WhenAll(tasks).ConfigureAwait(false);
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tasks.Clear();
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}
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cancellationToken.ThrowIfCancellationRequested();
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var innerProgress = new ActionableProgress<double>();
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// Avoid implicitly captured closure
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var currentChild = item;
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innerProgress.RegisterAction(p =>
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{
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lock (percentages)
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{
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percentages[currentChild.Id] = p / 100;
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var percent = percentages.Values.Sum();
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percent /= totalItems;
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percent *= 100;
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progress.Report(percent);
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}
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});
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// Avoid implicitly captured closure
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var taskChild = item;
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tasks.Add(Task.Run(async () => await RefreshItem(taskChild, refreshOptions, innerProgress, cancellationToken).ConfigureAwait(false), cancellationToken));
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}
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await Task.WhenAll(tasks).ConfigureAwait(false);
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progress.Report(100);
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}
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private async Task RefreshItem(BaseItem item, MetadataRefreshOptions refreshOptions, IProgress<double> progress, CancellationToken cancellationToken)
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{
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await item.RefreshMetadata(refreshOptions, cancellationToken).ConfigureAwait(false);
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progress.Report(100);
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}
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public ArtistInfo GetLookupInfo()
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{
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var info = GetItemLookupInfo<ArtistInfo>();
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info.SongInfos = RecursiveChildren.OfType<Audio>()
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.Select(i => i.GetLookupInfo())
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.ToList();
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return info;
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}
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public IEnumerable<BaseItem> GetTaggedItems(IEnumerable<BaseItem> inputItems)
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{
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return inputItems.OfType<IHasArtist>().Where(i => i.HasArtist(Name)).Cast<BaseItem>();
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}
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}
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}
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