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jellyfin/MediaBrowser.Controller/Providers/MediaInfo/AudioImageProvider.cs

102 lines
3.6 KiB

using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Controller.Providers.MediaInfo
{
/// <summary>
/// Uses ffmpeg to create video images
/// </summary>
public class AudioImageProvider : BaseMetadataProvider
{
/// <summary>
/// Initializes a new instance of the <see cref="BaseMetadataProvider" /> class.
/// </summary>
/// <param name="logManager">The log manager.</param>
/// <param name="configurationManager">The configuration manager.</param>
public AudioImageProvider(ILogManager logManager, IServerConfigurationManager configurationManager)
: base(logManager, configurationManager)
{
}
/// <summary>
/// The true task result
/// </summary>
protected static readonly Task<bool> TrueTaskResult = Task.FromResult(true);
/// <summary>
/// Supportses the specified item.
/// </summary>
/// <param name="item">The item.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
public override bool Supports(BaseItem item)
{
return item.LocationType == LocationType.FileSystem && item is Audio;
}
/// <summary>
/// Override this to return the date that should be compared to the last refresh date
/// to determine if this provider should be re-fetched.
/// </summary>
/// <param name="item">The item.</param>
/// <returns>DateTime.</returns>
protected override DateTime CompareDate(BaseItem item)
{
return item.DateModified;
}
/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public override MetadataProviderPriority Priority
{
get { return MetadataProviderPriority.Last; }
}
/// <summary>
/// Needses the refresh internal.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="providerInfo">The provider info.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
protected override bool NeedsRefreshInternal(BaseItem item, BaseProviderInfo providerInfo)
{
if (!string.IsNullOrEmpty(item.PrimaryImagePath))
{
return false;
}
return base.NeedsRefreshInternal(item, providerInfo);
}
/// <summary>
/// Fetches metadata and returns true or false indicating if any work that requires persistence was done
/// </summary>
/// <param name="item">The item.</param>
/// <param name="force">if set to <c>true</c> [force].</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.Boolean}.</returns>
public override Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
{
if (force || string.IsNullOrEmpty(item.PrimaryImagePath))
{
var album = item.ResolveArgs.Parent as MusicAlbum;
if (album != null)
{
// First try to use the parent's image
item.PrimaryImagePath = item.ResolveArgs.Parent.PrimaryImagePath;
}
}
SetLastRefreshed(item, DateTime.UtcNow);
return TrueTaskResult;
}
}
}