jellyfin-server/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs

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C#
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using MediaBrowser.Common.Progress;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Configuration;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
using System;
using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.Serialization;
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using System.Threading;
using System.Threading.Tasks;
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namespace MediaBrowser.Controller.Entities.Audio
{
/// <summary>
/// Class MusicArtist
/// </summary>
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public class MusicArtist : Folder, IMetadataContainer, IItemByName, IHasMusicGenres, IHasDualAccess, IHasTags, IHasProductionLocations
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{
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[IgnoreDataMember]
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public List<ItemByNameCounts> UserItemCountList { get; set; }
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public bool IsAccessedByName { get; set; }
/// <summary>
/// Gets or sets the tags.
/// </summary>
/// <value>The tags.</value>
public List<string> Tags { get; set; }
public List<string> ProductionLocations { get; set; }
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public override bool IsFolder
{
get
{
return !IsAccessedByName;
}
}
protected override IEnumerable<BaseItem> ActualChildren
{
get
{
if (IsAccessedByName)
{
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return new List<BaseItem>();
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}
return base.ActualChildren;
}
}
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private readonly Task _cachedTask = Task.FromResult(true);
protected override Task ValidateChildrenInternal(IProgress<double> progress, CancellationToken cancellationToken, bool recursive, bool refreshChildMetadata, MetadataRefreshOptions refreshOptions)
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{
if (IsAccessedByName)
{
// Should never get in here anyway
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return _cachedTask;
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}
return base.ValidateChildrenInternal(progress, cancellationToken, recursive, refreshChildMetadata, refreshOptions);
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}
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public override string GetClientTypeName()
{
if (IsAccessedByName)
{
//return "Artist";
}
return base.GetClientTypeName();
}
public MusicArtist()
{
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UserItemCountList = new List<ItemByNameCounts>();
Tags = new List<string>();
ProductionLocations = new List<string>();
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}
/// <summary>
/// Gets the user data key.
/// </summary>
/// <returns>System.String.</returns>
public override string GetUserDataKey()
{
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return GetUserDataKey(this);
}
/// <summary>
/// Gets the user data key.
/// </summary>
/// <param name="item">The item.</param>
/// <returns>System.String.</returns>
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private static string GetUserDataKey(MusicArtist item)
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{
var id = item.GetProviderId(MetadataProviders.Musicbrainz);
if (!string.IsNullOrEmpty(id))
{
return "Artist-Musicbrainz-" + id;
}
return "Artist-" + item.Name;
}
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protected override bool GetBlockUnratedValue(UserConfiguration config)
{
return config.BlockUnratedMusic;
}
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public async Task RefreshAllMetadata(MetadataRefreshOptions refreshOptions, IProgress<double> progress, CancellationToken cancellationToken)
{
var items = RecursiveChildren.ToList();
var songs = items.OfType<Audio>().ToList();
var others = items.Except(songs).ToList();
var totalItems = songs.Count + others.Count;
var percentages = new Dictionary<Guid, double>(totalItems);
var tasks = new List<Task>();
// Refresh songs
foreach (var item in songs)
{
if (tasks.Count > 3)
{
await Task.WhenAll(tasks).ConfigureAwait(false);
tasks.Clear();
}
cancellationToken.ThrowIfCancellationRequested();
var innerProgress = new ActionableProgress<double>();
// Avoid implicitly captured closure
var currentChild = item;
innerProgress.RegisterAction(p =>
{
lock (percentages)
{
percentages[currentChild.Id] = p / 100;
var percent = percentages.Values.Sum();
percent /= totalItems;
percent *= 100;
progress.Report(percent);
}
});
tasks.Add(RefreshItem(item, refreshOptions, innerProgress, cancellationToken));
}
await Task.WhenAll(tasks).ConfigureAwait(false);
tasks.Clear();
// Refresh current item
await RefreshMetadata(refreshOptions, cancellationToken).ConfigureAwait(false);
// Refresh all non-songs
foreach (var item in others)
{
if (tasks.Count > 3)
{
await Task.WhenAll(tasks).ConfigureAwait(false);
tasks.Clear();
}
cancellationToken.ThrowIfCancellationRequested();
var innerProgress = new ActionableProgress<double>();
// Avoid implicitly captured closure
var currentChild = item;
innerProgress.RegisterAction(p =>
{
lock (percentages)
{
percentages[currentChild.Id] = p / 100;
var percent = percentages.Values.Sum();
percent /= totalItems;
percent *= 100;
progress.Report(percent);
}
});
tasks.Add(RefreshItem(item, refreshOptions, innerProgress, cancellationToken));
}
await Task.WhenAll(tasks).ConfigureAwait(false);
progress.Report(100);
}
private async Task RefreshItem(BaseItem item, MetadataRefreshOptions refreshOptions, IProgress<double> progress, CancellationToken cancellationToken)
{
await item.RefreshMetadata(refreshOptions, cancellationToken).ConfigureAwait(false);
progress.Report(100);
}
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}
}