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using MediaBrowser.Controller.Library;
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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 MediaBrowser.Model.Users;
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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.Runtime.Serialization;
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using System.Threading;
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using System.Threading.Tasks;
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller.Extensions;
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using MediaBrowser.Model.Extensions;
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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, IHasLookupInfo<ArtistInfo>
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{
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[IgnoreDataMember]
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public bool IsAccessedByName
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{
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get { return ParentId == Guid.Empty; }
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}
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[IgnoreDataMember]
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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 SupportsCumulativeRunTimeTicks
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{
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get
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{
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return true;
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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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[IgnoreDataMember]
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public override bool SupportsPlayedStatus
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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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public override bool CanDelete()
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{
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return !IsAccessedByName;
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}
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public IEnumerable<BaseItem> GetTaggedItems(InternalItemsQuery query)
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{
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if (query.IncludeItemTypes.Length == 0)
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{
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query.IncludeItemTypes = new[] { typeof(Audio).Name, typeof(MusicVideo).Name, typeof(MusicAlbum).Name };
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query.ArtistNames = new[] { Name };
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}
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return LibraryManager.GetItemList(query);
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}
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[IgnoreDataMember]
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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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public override int GetChildCount(User user)
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{
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if (IsAccessedByName)
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{
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return 0;
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}
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return base.GetChildCount(user);
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}
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public override bool IsSaveLocalMetadataEnabled()
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{
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if (IsAccessedByName)
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{
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return true;
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}
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return base.IsSaveLocalMetadataEnabled();
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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 override List<string> GetUserDataKeys()
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{
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var list = base.GetUserDataKeys();
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list.InsertRange(0, GetUserDataKeys(this));
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return list;
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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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[IgnoreDataMember]
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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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[IgnoreDataMember]
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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 List<string> GetUserDataKeys(MusicArtist item)
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{
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var list = new List<string>();
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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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list.Add("Artist-Musicbrainz-" + id);
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}
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list.Add("Artist-" + (item.Name ?? string.Empty).RemoveDiacritics());
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return list;
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}
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public override string CreatePresentationUniqueKey()
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{
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return "Artist-" + (Name ?? string.Empty).RemoveDiacritics();
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}
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protected override bool GetBlockUnratedValue(UserPolicy config)
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{
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return config.BlockUnratedItems.Contains(UnratedItem.Music);
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}
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public override UnratedItem GetBlockUnratedType()
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{
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return 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 = GetRecursiveChildren().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 numComplete = 0;
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var childUpdateType = ItemUpdateType.None;
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// Refresh songs
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foreach (var item in songs)
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{
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cancellationToken.ThrowIfCancellationRequested();
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var updateType = await item.RefreshMetadata(refreshOptions, cancellationToken).ConfigureAwait(false);
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childUpdateType = childUpdateType | updateType;
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numComplete++;
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double percent = numComplete;
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percent /= totalItems;
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progress.Report(percent * 100);
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}
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var parentRefreshOptions = refreshOptions;
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if (childUpdateType > ItemUpdateType.None)
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{
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parentRefreshOptions = new MetadataRefreshOptions(refreshOptions);
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parentRefreshOptions.MetadataRefreshMode = MetadataRefreshMode.FullRefresh;
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}
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// Refresh current item
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await RefreshMetadata(parentRefreshOptions, 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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cancellationToken.ThrowIfCancellationRequested();
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var updateType = await item.RefreshMetadata(parentRefreshOptions, cancellationToken).ConfigureAwait(false);
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numComplete++;
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double percent = numComplete;
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percent /= totalItems;
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progress.Report(percent * 100);
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}
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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 = GetRecursiveChildren(i => i is Audio)
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.Cast<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.Where(GetItemFilter());
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}
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public Func<BaseItem, bool> GetItemFilter()
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{
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return i =>
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{
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var hasArtist = i as IHasArtist;
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return hasArtist != null && hasArtist.HasAnyArtist(Name);
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};
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}
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[IgnoreDataMember]
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public override bool SupportsPeople
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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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public static string GetPath(string name, bool normalizeName = true)
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{
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// Trim the period at the end because windows will have a hard time with that
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var validName = normalizeName ?
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FileSystem.GetValidFilename(name).Trim().TrimEnd('.') :
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name;
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return System.IO.Path.Combine(ConfigurationManager.ApplicationPaths.ArtistsPath, validName);
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}
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private string GetRebasedPath()
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{
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return GetPath(System.IO.Path.GetFileName(Path), false);
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}
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public override bool RequiresRefresh()
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{
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if (IsAccessedByName)
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{
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var newPath = GetRebasedPath();
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if (!string.Equals(Path, newPath, StringComparison.Ordinal))
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{
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Logger.Debug("{0} path has changed from {1} to {2}", GetType().Name, Path, newPath);
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return true;
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}
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}
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return base.RequiresRefresh();
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}
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/// <summary>
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/// This is called before any metadata refresh and returns true or false indicating if changes were made
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/// </summary>
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public override bool BeforeMetadataRefresh()
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{
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var hasChanges = base.BeforeMetadataRefresh();
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if (IsAccessedByName)
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{
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var newPath = GetRebasedPath();
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if (!string.Equals(Path, newPath, StringComparison.Ordinal))
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{
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Path = newPath;
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hasChanges = true;
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}
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}
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return hasChanges;
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}
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}
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}
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