jellyfin-server/MediaBrowser.Server.Implementations/LiveTv/ChannelImageProvider.cs
2014-01-29 11:16:24 -05:00

112 lines
3.7 KiB
C#

using MediaBrowser.Common.Net;
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;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Server.Implementations.LiveTv
{
public class ChannelImageProvider : IDynamicImageProvider, IHasChangeMonitor
{
private readonly ILiveTvManager _liveTvManager;
private readonly IHttpClient _httpClient;
private readonly ILogger _logger;
public ChannelImageProvider(ILiveTvManager liveTvManager, IHttpClient httpClient, ILogger logger)
{
_liveTvManager = liveTvManager;
_httpClient = httpClient;
_logger = logger;
}
public IEnumerable<ImageType> GetSupportedImages(IHasImages item)
{
return new[] { ImageType.Primary };
}
public async Task<DynamicImageResponse> GetImage(IHasImages item, ImageType type, CancellationToken cancellationToken)
{
var liveTvItem = (LiveTvChannel)item;
var imageResponse = new DynamicImageResponse();
if (!string.IsNullOrEmpty(liveTvItem.ProviderImagePath))
{
imageResponse.Path = liveTvItem.ProviderImagePath;
imageResponse.HasImage = true;
}
else if (!string.IsNullOrEmpty(liveTvItem.ProviderImageUrl))
{
var options = new HttpRequestOptions
{
CancellationToken = cancellationToken,
Url = liveTvItem.ProviderImageUrl
};
var response = await _httpClient.GetResponse(options).ConfigureAwait(false);
if (response.ContentType.StartsWith("image/", StringComparison.OrdinalIgnoreCase))
{
imageResponse.HasImage = true;
imageResponse.Stream = response.Content;
imageResponse.SetFormatFromMimeType(response.ContentType);
}
else
{
_logger.Error("Provider did not return an image content type.");
}
}
else if (liveTvItem.HasProviderImage ?? true)
{
var service = _liveTvManager.Services.FirstOrDefault(i => string.Equals(i.Name, liveTvItem.ServiceName, StringComparison.OrdinalIgnoreCase));
if (service != null)
{
try
{
var response = await service.GetChannelImageAsync(liveTvItem.ExternalId, cancellationToken).ConfigureAwait(false);
if (response != null)
{
imageResponse.HasImage = true;
imageResponse.Stream = response.Stream;
imageResponse.Format = response.Format;
}
}
catch (NotImplementedException)
{
}
}
}
return imageResponse;
}
public string Name
{
get { return "Live TV Service Provider"; }
}
public bool Supports(IHasImages item)
{
return item is LiveTvChannel;
}
public int Order
{
get { return 0; }
}
public bool HasChanged(IHasMetadata item, DateTime date)
{
return !item.HasImage(ImageType.Primary) && (DateTime.UtcNow - date).TotalDays >= 1;
}
}
}