272 lines
11 KiB
C#
272 lines
11 KiB
C#
using MediaBrowser.Controller.LiveTv;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.LiveTv;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.IO.Compression;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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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.IO;
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using MediaBrowser.Model.Logging;
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namespace Emby.Server.Implementations.LiveTv.Listings
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{
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public class XmlTvListingsProvider : IListingsProvider
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{
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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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private readonly IFileSystem _fileSystem;
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private readonly IZipClient _zipClient;
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public XmlTvListingsProvider(IServerConfigurationManager config, IHttpClient httpClient, ILogger logger, IFileSystem fileSystem, IZipClient zipClient)
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{
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_config = config;
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_httpClient = httpClient;
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_logger = logger;
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_fileSystem = fileSystem;
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_zipClient = zipClient;
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}
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public string Name
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{
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get { return "XmlTV"; }
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}
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public string Type
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{
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get { return "xmltv"; }
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}
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private string GetLanguage()
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{
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return _config.Configuration.PreferredMetadataLanguage;
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}
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private async Task<string> GetXml(string path, CancellationToken cancellationToken)
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{
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_logger.Info("xmltv path: {0}", path);
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if (!path.StartsWith("http", StringComparison.OrdinalIgnoreCase))
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{
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return path;
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}
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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);
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if (_fileSystem.FileExists(cacheFile))
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{
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return UnzipIfNeeded(path, cacheFile);
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}
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_logger.Info("Downloading xmltv listings from {0}", path);
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var tempFile = await _httpClient.GetTempFile(new HttpRequestOptions
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{
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CancellationToken = cancellationToken,
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Url = path,
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Progress = new Progress<Double>(),
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DecompressionMethod = CompressionMethod.Gzip,
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// It's going to come back gzipped regardless of this value
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// So we need to make sure the decompression method is set to gzip
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EnableHttpCompression = true,
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UserAgent = "Emby/3.0"
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}).ConfigureAwait(false);
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_fileSystem.CreateDirectory(Path.GetDirectoryName(cacheFile));
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using (var stream = _fileSystem.OpenRead(tempFile))
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{
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using (var reader = new StreamReader(stream, Encoding.UTF8))
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{
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using (var fileStream = _fileSystem.GetFileStream(cacheFile, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read))
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{
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using (var writer = new StreamWriter(fileStream))
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{
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while (!reader.EndOfStream)
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{
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writer.WriteLine(reader.ReadLine());
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}
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}
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}
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}
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}
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_logger.Debug("Returning xmltv path {0}", cacheFile);
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return UnzipIfNeeded(path, cacheFile);
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}
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private string UnzipIfNeeded(string originalUrl, string file)
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{
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//var ext = Path.GetExtension(originalUrl);
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//if (string.Equals(ext, ".gz", StringComparison.OrdinalIgnoreCase))
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//{
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// using (var stream = _fileSystem.OpenRead(file))
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// {
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// var tempFolder = Path.Combine(_config.ApplicationPaths.TempDirectory, Guid.NewGuid().ToString());
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// _fileSystem.CreateDirectory(tempFolder);
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// _zipClient.ExtractAllFromZip(stream, tempFolder, true);
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// return _fileSystem.GetFiles(tempFolder, true)
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// .Where(i => string.Equals(i.Extension, ".xml", StringComparison.OrdinalIgnoreCase))
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// .Select(i => i.FullName)
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// .FirstOrDefault();
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// }
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//}
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return file;
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}
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public async Task<IEnumerable<ProgramInfo>> GetProgramsAsync(ListingsProviderInfo info, string channelId, DateTime startDateUtc, DateTime endDateUtc, CancellationToken cancellationToken)
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{
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if (string.IsNullOrWhiteSpace(channelId))
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{
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throw new ArgumentNullException("channelId");
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}
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if (!await EmbyTV.EmbyTVRegistration.Instance.EnableXmlTv().ConfigureAwait(false))
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{
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var length = endDateUtc - startDateUtc;
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if (length.TotalDays > 1)
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{
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endDateUtc = startDateUtc.AddDays(1);
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}
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}
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_logger.Debug("Getting xmltv programs for channel {0}", channelId);
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var path = await GetXml(info.Path, cancellationToken).ConfigureAwait(false);
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var reader = new XmlTvReader(path, GetLanguage());
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var results = reader.GetProgrammes(channelId, startDateUtc, endDateUtc, cancellationToken);
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return results.Select(p => GetProgramInfo(p, info));
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}
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private ProgramInfo GetProgramInfo(XmlTvProgram p, ListingsProviderInfo info)
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{
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var episodeTitle = p.Episode == null ? null : p.Episode.Title;
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var programInfo = new ProgramInfo
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{
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ChannelId = p.ChannelId,
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EndDate = GetDate(p.EndDate),
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EpisodeNumber = p.Episode == null ? null : p.Episode.Episode,
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EpisodeTitle = episodeTitle,
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Genres = p.Categories,
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StartDate = GetDate(p.StartDate),
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Name = p.Title,
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Overview = p.Description,
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ProductionYear = !p.CopyrightDate.HasValue ? (int?)null : p.CopyrightDate.Value.Year,
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SeasonNumber = p.Episode == null ? null : p.Episode.Series,
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IsSeries = p.Episode != null,
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IsRepeat = p.IsPreviouslyShown && !p.IsNew,
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IsPremiere = p.Premiere != null,
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IsKids = p.Categories.Any(c => info.KidsCategories.Contains(c, StringComparer.OrdinalIgnoreCase)),
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IsMovie = p.Categories.Any(c => info.MovieCategories.Contains(c, StringComparer.OrdinalIgnoreCase)),
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IsNews = p.Categories.Any(c => info.NewsCategories.Contains(c, StringComparer.OrdinalIgnoreCase)),
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IsSports = p.Categories.Any(c => info.SportsCategories.Contains(c, StringComparer.OrdinalIgnoreCase)),
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ImageUrl = p.Icon != null && !String.IsNullOrEmpty(p.Icon.Source) ? p.Icon.Source : null,
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HasImage = p.Icon != null && !String.IsNullOrEmpty(p.Icon.Source),
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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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};
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if (!string.IsNullOrWhiteSpace(p.ProgramId))
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{
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programInfo.ShowId = p.ProgramId;
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}
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else
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{
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var uniqueString = (p.Title ?? string.Empty) + (episodeTitle ?? string.Empty) + (p.IceTvEpisodeNumber ?? string.Empty);
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if (programInfo.SeasonNumber.HasValue)
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{
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uniqueString = "-" + programInfo.SeasonNumber.Value.ToString(CultureInfo.InvariantCulture);
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}
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if (programInfo.EpisodeNumber.HasValue)
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{
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uniqueString = "-" + programInfo.EpisodeNumber.Value.ToString(CultureInfo.InvariantCulture);
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}
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programInfo.ShowId = uniqueString.GetMD5().ToString("N");
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}
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// Construct an id from the channel and start date
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programInfo.Id = String.Format("{0}_{1:O}", p.ChannelId, p.StartDate);
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if (programInfo.IsMovie)
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{
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programInfo.IsSeries = false;
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programInfo.EpisodeNumber = null;
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programInfo.EpisodeTitle = null;
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}
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return programInfo;
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}
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private DateTime GetDate(DateTime date)
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{
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if (date.Kind != DateTimeKind.Utc)
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{
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date = DateTime.SpecifyKind(date, DateTimeKind.Utc);
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}
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return date;
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}
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public Task Validate(ListingsProviderInfo info, bool validateLogin, bool validateListings)
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{
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// Assume all urls are valid. check files for existence
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if (!info.Path.StartsWith("http", StringComparison.OrdinalIgnoreCase) && !_fileSystem.FileExists(info.Path))
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{
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throw new FileNotFoundException("Could not find the XmlTv file specified:", info.Path);
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}
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return Task.FromResult(true);
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}
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public async Task<List<NameIdPair>> GetLineups(ListingsProviderInfo info, string country, string location)
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{
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// 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);
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var reader = new XmlTvReader(path, GetLanguage());
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var results = reader.GetChannels();
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// 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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}
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public async Task<List<ChannelInfo>> GetChannels(ListingsProviderInfo info, CancellationToken cancellationToken)
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{
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// 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);
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var reader = new XmlTvReader(path, GetLanguage());
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var results = reader.GetChannels();
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// Should this method be async?
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return results.Select(c => new ChannelInfo()
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{
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Id = c.Id,
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Name = c.DisplayName,
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ImageUrl = c.Icon != null && !String.IsNullOrEmpty(c.Icon.Source) ? c.Icon.Source : null,
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Number = c.Id
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}).ToList();
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}
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}
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} |