104 lines
3.5 KiB
C#
104 lines
3.5 KiB
C#
using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Logging;
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using System;
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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.Providers.Music
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{
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/// <summary>
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/// Class MusicAlbumDynamicInfoProvider
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/// </summary>
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public class AlbumDynamicInfoProvider : BaseMetadataProvider, IDynamicInfoProvider
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="BaseMetadataProvider" /> class.
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/// </summary>
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/// <param name="logManager">The log manager.</param>
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/// <param name="configurationManager">The configuration manager.</param>
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public AlbumDynamicInfoProvider(ILogManager logManager, IServerConfigurationManager configurationManager)
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: base(logManager, configurationManager)
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{
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}
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/// <summary>
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/// Supportses the specified item.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
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public override bool Supports(BaseItem item)
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{
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return item is MusicAlbum;
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}
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/// <summary>
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/// Needses the refresh internal.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="providerInfo">The provider info.</param>
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/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
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protected override bool NeedsRefreshInternal(BaseItem item, BaseProviderInfo providerInfo)
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{
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return true;
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}
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/// <summary>
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/// Fetches metadata and returns true or false indicating if any work that requires persistence was done
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="force">if set to <c>true</c> [force].</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task{System.Boolean}.</returns>
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public override Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
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{
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var album = (MusicAlbum)item;
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var songs = album.RecursiveChildren
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.OfType<Audio>()
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.ToList();
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album.AlbumArtist = songs
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.Select(i => i.AlbumArtist)
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.FirstOrDefault(i => !string.IsNullOrEmpty(i));
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album.Artists = songs.SelectMany(i => i.Artists)
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.Distinct(StringComparer.OrdinalIgnoreCase)
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.ToList();
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var date = songs.Select(i => i.PremiereDate)
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.FirstOrDefault(i => i.HasValue);
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if (date.HasValue)
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{
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album.PremiereDate = date.Value;
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album.ProductionYear = date.Value.Year;
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}
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else
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{
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var year = songs.Select(i => i.ProductionYear ?? 1800).FirstOrDefault(i => i != 1800);
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if (year != 1800)
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{
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album.ProductionYear = year;
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}
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}
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// Don't save to the db
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return FalseTaskResult;
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}
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/// <summary>
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/// Gets the priority.
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/// </summary>
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/// <value>The priority.</value>
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public override MetadataProviderPriority Priority
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{
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get { return MetadataProviderPriority.Last; }
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}
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}
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}
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