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jellyfin/MediaBrowser.Providers/ImagesByName/GenreImageProvider.cs

161 lines
5.2 KiB

using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Net;
using MediaBrowser.Model.Providers;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Providers.ImagesByName
{
public class GenreImageProvider : BaseMetadataProvider
{
private readonly IProviderManager _providerManager;
private readonly SemaphoreSlim _resourcePool = new SemaphoreSlim(5, 5);
public GenreImageProvider(ILogManager logManager, IServerConfigurationManager configurationManager, IProviderManager providerManager)
: base(logManager, configurationManager)
{
_providerManager = providerManager;
}
public override bool Supports(BaseItem item)
{
return item is Genre;
}
public override bool RequiresInternet
{
get
{
return true;
}
}
public override ItemUpdateType ItemUpdateType
{
get
{
return ItemUpdateType.ImageUpdate;
}
}
protected override bool NeedsRefreshInternal(BaseItem item, BaseProviderInfo providerInfo)
{
if (item.HasImage(ImageType.Primary) && item.HasImage(ImageType.Thumb))
{
return false;
}
// Try again periodically in case new images were added
if ((DateTime.UtcNow - providerInfo.LastRefreshed).TotalDays > 7)
{
return true;
}
return base.NeedsRefreshInternal(item, providerInfo);
}
protected override bool RefreshOnVersionChange
{
get
{
return true;
}
}
protected override string ProviderVersion
{
get
{
return "8";
}
}
public override async Task<bool> FetchAsync(BaseItem item, bool force, BaseProviderInfo providerInfo, CancellationToken cancellationToken)
{
if (item.HasImage(ImageType.Primary) && item.HasImage(ImageType.Thumb))
{
SetLastRefreshed(item, DateTime.UtcNow, providerInfo);
return true;
}
var images = await _providerManager.GetAvailableRemoteImages(item, cancellationToken, GenresManualImageProvider.ProviderName).ConfigureAwait(false);
await DownloadImages(item, images.ToList(), cancellationToken).ConfigureAwait(false);
SetLastRefreshed(item, DateTime.UtcNow, providerInfo);
return true;
}
private async Task DownloadImages(BaseItem item, List<RemoteImageInfo> images, CancellationToken cancellationToken)
{
if (!item.LockedFields.Contains(MetadataFields.Images))
{
cancellationToken.ThrowIfCancellationRequested();
if (!item.HasImage(ImageType.Primary))
{
await SaveImage(item, images, ImageType.Primary, cancellationToken).ConfigureAwait(false);
}
cancellationToken.ThrowIfCancellationRequested();
if (!item.HasImage(ImageType.Thumb))
{
await SaveImage(item, images, ImageType.Thumb, cancellationToken).ConfigureAwait(false);
}
}
if (!item.LockedFields.Contains(MetadataFields.Backdrops))
{
cancellationToken.ThrowIfCancellationRequested();
if (item.BackdropImagePaths.Count == 0)
{
foreach (var image in images.Where(i => i.Type == ImageType.Backdrop))
{
await _providerManager.SaveImage(item, image.Url, _resourcePool, ImageType.Backdrop, null, cancellationToken)
.ConfigureAwait(false);
break;
}
}
}
}
private async Task SaveImage(BaseItem item, IEnumerable<RemoteImageInfo> images, ImageType type, CancellationToken cancellationToken)
{
foreach (var image in images.Where(i => i.Type == type))
{
try
{
await _providerManager.SaveImage(item, image.Url, _resourcePool, type, null, cancellationToken).ConfigureAwait(false);
break;
}
catch (HttpException ex)
{
// Sometimes fanart has bad url's in their xml
if (ex.StatusCode.HasValue && ex.StatusCode.Value == HttpStatusCode.NotFound)
{
continue;
}
break;
}
}
}
public override MetadataProviderPriority Priority
{
get { return MetadataProviderPriority.Third; }
}
}
}