jellyfin-server/MediaBrowser.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs

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using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.LiveTv;
using System;
using System.Collections.Generic;
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using System.Globalization;
using System.IO;
using System.Linq;
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using System.Net;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Emby.XmlTv.Classes;
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using Emby.XmlTv.Entities;
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Model.Logging;
namespace MediaBrowser.Server.Implementations.LiveTv.Listings
{
public class XmlTvListingsProvider : IListingsProvider
{
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private readonly IServerConfigurationManager _config;
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private readonly IHttpClient _httpClient;
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private readonly ILogger _logger;
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public XmlTvListingsProvider(IServerConfigurationManager config, IHttpClient httpClient, ILogger logger)
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{
_config = config;
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_httpClient = httpClient;
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_logger = logger;
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}
public string Name
{
get { return "XmlTV"; }
}
public string Type
{
get { return "xmltv"; }
}
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private string GetLanguage()
{
return _config.Configuration.PreferredMetadataLanguage;
}
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private async Task<string> GetXml(string path, CancellationToken cancellationToken)
{
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_logger.Info("xmltv path: {0}", path);
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if (!path.StartsWith("http", StringComparison.OrdinalIgnoreCase))
{
return path;
}
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var cacheFilename = DateTime.UtcNow.DayOfYear.ToString(CultureInfo.InvariantCulture) + "-" + DateTime.UtcNow.Hour.ToString(CultureInfo.InvariantCulture) + ".xml";
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var cacheFile = Path.Combine(_config.ApplicationPaths.CachePath, "xmltv", cacheFilename);
if (File.Exists(cacheFile))
{
return cacheFile;
}
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_logger.Info("Downloading xmltv listings from {0}", path);
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var tempFile = await _httpClient.GetTempFile(new HttpRequestOptions
{
CancellationToken = cancellationToken,
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Url = path,
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Progress = new Progress<Double>(),
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DecompressionMethod = DecompressionMethods.GZip,
// It's going to come back gzipped regardless of this value
// So we need to make sure the decompression method is set to gzip
EnableHttpCompression = true
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}).ConfigureAwait(false);
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Directory.CreateDirectory(Path.GetDirectoryName(cacheFile));
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using (var stream = File.OpenRead(tempFile))
{
using (var reader = new StreamReader(stream, Encoding.UTF8))
{
using (var fileStream = File.OpenWrite(cacheFile))
{
using (var writer = new StreamWriter(fileStream))
{
while (!reader.EndOfStream)
{
writer.WriteLine(reader.ReadLine());
}
}
}
}
}
_logger.Debug("Returning xmltv path {0}", cacheFile);
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return cacheFile;
}
public async Task<IEnumerable<ProgramInfo>> GetProgramsAsync(ListingsProviderInfo info, string channelNumber, string channelName, DateTime startDateUtc, DateTime endDateUtc, CancellationToken cancellationToken)
{
if (!await EmbyTV.EmbyTVRegistration.Instance.EnableXmlTv().ConfigureAwait(false))
{
var length = endDateUtc - startDateUtc;
if (length.TotalDays > 1)
{
endDateUtc = startDateUtc.AddDays(1);
}
}
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var path = await GetXml(info.Path, cancellationToken).ConfigureAwait(false);
var reader = new XmlTvReader(path, GetLanguage(), null);
var results = reader.GetProgrammes(channelNumber, startDateUtc, endDateUtc, cancellationToken);
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return results.Select(p => GetProgramInfo(p, info));
}
private ProgramInfo GetProgramInfo(XmlTvProgram p, ListingsProviderInfo info)
{
var programInfo = new ProgramInfo
{
ChannelId = p.ChannelId,
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EndDate = GetDate(p.EndDate),
EpisodeNumber = p.Episode == null ? null : p.Episode.Episode,
EpisodeTitle = p.Episode == null ? null : p.Episode.Title,
Genres = p.Categories,
Id = String.Format("{0}_{1:O}", p.ChannelId, p.StartDate), // Construct an id from the channel and start date,
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StartDate = GetDate(p.StartDate),
Name = p.Title,
Overview = p.Description,
ShortOverview = p.Description,
ProductionYear = !p.CopyrightDate.HasValue ? (int?)null : p.CopyrightDate.Value.Year,
SeasonNumber = p.Episode == null ? null : p.Episode.Series,
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IsSeries = p.Episode != null,
IsRepeat = p.IsRepeat,
IsPremiere = p.Premiere != null,
IsKids = p.Categories.Any(c => info.KidsCategories.Contains(c, StringComparer.InvariantCultureIgnoreCase)),
IsMovie = p.Categories.Any(c => info.MovieCategories.Contains(c, StringComparer.InvariantCultureIgnoreCase)),
IsNews = p.Categories.Any(c => info.NewsCategories.Contains(c, StringComparer.InvariantCultureIgnoreCase)),
IsSports = p.Categories.Any(c => info.SportsCategories.Contains(c, StringComparer.InvariantCultureIgnoreCase)),
ImageUrl = p.Icon != null && !String.IsNullOrEmpty(p.Icon.Source) ? p.Icon.Source : null,
HasImage = p.Icon != null && !String.IsNullOrEmpty(p.Icon.Source),
OfficialRating = p.Rating != null && !String.IsNullOrEmpty(p.Rating.Value) ? p.Rating.Value : null,
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CommunityRating = p.StarRating.HasValue ? p.StarRating.Value : (float?)null,
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SeriesId = p.Episode != null ? p.Title.GetMD5().ToString("N") : null
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};
if (programInfo.IsMovie)
{
programInfo.IsSeries = false;
programInfo.EpisodeNumber = null;
programInfo.EpisodeTitle = null;
}
return programInfo;
}
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private DateTime GetDate(DateTime date)
{
if (date.Kind != DateTimeKind.Utc)
{
date = DateTime.SpecifyKind(date, DateTimeKind.Utc);
}
return date;
}
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public async Task AddMetadata(ListingsProviderInfo info, List<ChannelInfo> channels, CancellationToken cancellationToken)
{
// Add the channel image url
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var path = await GetXml(info.Path, cancellationToken).ConfigureAwait(false);
var reader = new XmlTvReader(path, GetLanguage(), null);
var results = reader.GetChannels().ToList();
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if (channels != null)
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{
channels.ForEach(c =>
{
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var channelNumber = info.GetMappedChannel(c.Number);
var match = results.FirstOrDefault(r => string.Equals(r.Id, channelNumber, StringComparison.OrdinalIgnoreCase));
if (match != null && match.Icon != null && !String.IsNullOrEmpty(match.Icon.Source))
{
c.ImageUrl = match.Icon.Source;
}
});
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}
}
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public Task Validate(ListingsProviderInfo info, bool validateLogin, bool validateListings)
{
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// Assume all urls are valid. check files for existence
if (!info.Path.StartsWith("http", StringComparison.OrdinalIgnoreCase) && !File.Exists(info.Path))
{
throw new FileNotFoundException("Could not find the XmlTv file specified:", info.Path);
}
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return Task.FromResult(true);
}
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public async Task<List<NameIdPair>> GetLineups(ListingsProviderInfo info, string country, string location)
{
// In theory this should never be called because there is always only one lineup
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var path = await GetXml(info.Path, CancellationToken.None).ConfigureAwait(false);
var reader = new XmlTvReader(path, GetLanguage(), null);
var results = reader.GetChannels();
// Should this method be async?
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return results.Select(c => new NameIdPair() { Id = c.Id, Name = c.DisplayName }).ToList();
}
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public async Task<List<ChannelInfo>> GetChannels(ListingsProviderInfo info, CancellationToken cancellationToken)
{
// In theory this should never be called because there is always only one lineup
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var path = await GetXml(info.Path, cancellationToken).ConfigureAwait(false);
var reader = new XmlTvReader(path, GetLanguage(), null);
var results = reader.GetChannels();
// Should this method be async?
return results.Select(c => new ChannelInfo()
{
Id = c.Id,
Name = c.DisplayName,
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ImageUrl = c.Icon != null && !String.IsNullOrEmpty(c.Icon.Source) ? c.Icon.Source : null,
Number = c.Id
}).ToList();
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}
}
}