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

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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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public ChannelImageProvider(ILiveTvManager liveTvManager, IHttpClient httpClient, ILogger logger)
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{
_liveTvManager = liveTvManager;
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_httpClient = httpClient;
_logger = logger;
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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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if (!string.IsNullOrEmpty(liveTvItem.ProviderImagePath))
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{
imageResponse.Path = liveTvItem.ProviderImagePath;
imageResponse.HasImage = true;
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}
else if (!string.IsNullOrEmpty(liveTvItem.ProviderImageUrl))
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{
var options = new HttpRequestOptions
{
CancellationToken = cancellationToken,
Url = liveTvItem.ProviderImageUrl
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};
var response = await _httpClient.GetResponse(options).ConfigureAwait(false);
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var contentType = response.ContentType;
if (contentType.StartsWith("image/", StringComparison.OrdinalIgnoreCase))
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{
imageResponse.HasImage = true;
imageResponse.Stream = response.Content;
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imageResponse.SetFormatFromMimeType(contentType);
}
else
{
_logger.Error("Provider did not return an image content type.");
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}
}
else if (liveTvItem.HasProviderImage ?? true)
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{
var service = _liveTvManager.Services.FirstOrDefault(i => string.Equals(i.Name, liveTvItem.ServiceName, StringComparison.OrdinalIgnoreCase));
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if (service != null)
{
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try
{
var response = await service.GetChannelImageAsync(liveTvItem.ExternalId, cancellationToken).ConfigureAwait(false);
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if (response != null)
{
imageResponse.HasImage = true;
imageResponse.Stream = response.Stream;
imageResponse.Format = response.Format;
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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, MetadataStatus status, IDirectoryService directoryService)
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{
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return GetSupportedImages(item).Any(i => !item.HasImage(i));
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}
}
}