jellyfin-server/MediaBrowser.Server.Implementations/LiveTv/ChannelImageProvider.cs

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using MediaBrowser.Common;
using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Generic;
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using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Server.Implementations.LiveTv
{
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public class ChannelImageProvider : IDynamicImageProvider, IHasItemChangeMonitor
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{
private readonly ILiveTvManager _liveTvManager;
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private readonly IHttpClient _httpClient;
private readonly ILogger _logger;
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private readonly IApplicationHost _appHost;
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public ChannelImageProvider(ILiveTvManager liveTvManager, IHttpClient httpClient, ILogger logger, IApplicationHost appHost)
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{
_liveTvManager = liveTvManager;
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_httpClient = httpClient;
_logger = logger;
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_appHost = appHost;
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}
public IEnumerable<ImageType> GetSupportedImages(IHasImages item)
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{
return new[] { ImageType.Primary };
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}
public async Task<DynamicImageResponse> GetImage(IHasImages item, ImageType type, CancellationToken cancellationToken)
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{
var liveTvItem = (LiveTvChannel)item;
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var imageResponse = new DynamicImageResponse();
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var service = _liveTvManager.Services.FirstOrDefault(i => string.Equals(i.Name, liveTvItem.ServiceName, StringComparison.OrdinalIgnoreCase));
if (service != null)
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{
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try
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{
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var response = await service.GetChannelImageAsync(liveTvItem.ExternalId, cancellationToken).ConfigureAwait(false);
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if (response != null)
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{
imageResponse.HasImage = true;
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imageResponse.Stream = response.Stream;
imageResponse.Format = response.Format;
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}
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}
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catch (NotImplementedException)
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{
}
}
return imageResponse;
}
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public string Name
{
get { return "Live TV Service Provider"; }
}
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public bool Supports(IHasImages item)
{
return item is LiveTvChannel;
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}
public int Order
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{
get { return 0; }
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}
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public bool HasChanged(IHasMetadata item, IDirectoryService directoryService)
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{
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return GetSupportedImages(item).Any(i => !item.HasImage(i));
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}
}
}