Add missing XmlTvListingsProvider

Added from https://github.com/thirunjuguna/emby/blob/e679ac4224c7ac8400f12ef95a063be4fcf3b5c0/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs

Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs

@@ -0,0 +1,260 @@
+using MediaBrowser.Controller.LiveTv;
+using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.LiveTv;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Emby.XmlTv.Classes;
+using Emby.XmlTv.Entities;
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Common.Net;
+using MediaBrowser.Common.Progress;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Logging;
+
+namespace Emby.Server.Implementations.LiveTv.Listings
+{
+    public class XmlTvListingsProvider : IListingsProvider
+    {
+        private readonly IServerConfigurationManager _config;
+        private readonly IHttpClient _httpClient;
+        private readonly ILogger _logger;
+        private readonly IFileSystem _fileSystem;
+        private readonly IZipClient _zipClient;
+
+        public XmlTvListingsProvider(IServerConfigurationManager config, IHttpClient httpClient, ILogger logger, IFileSystem fileSystem, IZipClient zipClient)
+        {
+            _config = config;
+            _httpClient = httpClient;
+            _logger = logger;
+            _fileSystem = fileSystem;
+            _zipClient = zipClient;
+        }
+
+        public string Name
+        {
+            get { return "XmlTV"; }
+        }
+
+        public string Type
+        {
+            get { return "xmltv"; }
+        }
+
+        private string GetLanguage(ListingsProviderInfo info)
+        {
+            if (!string.IsNullOrWhiteSpace(info.PreferredLanguage))
+            {
+                return info.PreferredLanguage;
+            }
+
+            return _config.Configuration.PreferredMetadataLanguage;
+        }
+
+        private async Task<string> GetXml(string path, CancellationToken cancellationToken)
+        {
+            _logger.Info("xmltv path: {0}", path);
+
+            if (!path.StartsWith("http", StringComparison.OrdinalIgnoreCase))
+            {
+                return UnzipIfNeeded(path, path);
+            }
+
+            var cacheFilename = DateTime.UtcNow.DayOfYear.ToString(CultureInfo.InvariantCulture) + "-" + DateTime.UtcNow.Hour.ToString(CultureInfo.InvariantCulture) + ".xml";
+            var cacheFile = Path.Combine(_config.ApplicationPaths.CachePath, "xmltv", cacheFilename);
+            if (_fileSystem.FileExists(cacheFile))
+            {
+                return UnzipIfNeeded(path, cacheFile);
+            }
+
+            _logger.Info("Downloading xmltv listings from {0}", path);
+
+            var tempFile = await _httpClient.GetTempFile(new HttpRequestOptions
+            {
+                CancellationToken = cancellationToken,
+                Url = path,
+                Progress = new SimpleProgress<Double>(),
+                DecompressionMethod = CompressionMethod.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,
+
+                UserAgent = "Emby/3.0"
+
+            }).ConfigureAwait(false);
+
+            _fileSystem.CreateDirectory(_fileSystem.GetDirectoryName(cacheFile));
+
+            _fileSystem.CopyFile(tempFile, cacheFile, true);
+
+            return UnzipIfNeeded(path, cacheFile);
+        }
+
+        private string UnzipIfNeeded(string originalUrl, string file)
+        {
+            var ext = Path.GetExtension(originalUrl.Split('?')[0]);
+
+            if (string.Equals(ext, ".gz", StringComparison.OrdinalIgnoreCase))
+            {
+                using (var stream = _fileSystem.OpenRead(file))
+                {
+                    var tempFolder = Path.Combine(_config.ApplicationPaths.TempDirectory, Guid.NewGuid().ToString());
+                    _fileSystem.CreateDirectory(tempFolder);
+
+                    _zipClient.ExtractAllFromGz(stream, tempFolder, true);
+
+                    return _fileSystem.GetFiles(tempFolder, true)
+                        .Where(i => string.Equals(i.Extension, ".xml", StringComparison.OrdinalIgnoreCase))
+                        .Select(i => i.FullName)
+                        .FirstOrDefault();
+                }
+            }
+
+            return file;
+        }
+
+        public async Task<IEnumerable<ProgramInfo>> GetProgramsAsync(ListingsProviderInfo info, string channelId, DateTime startDateUtc, DateTime endDateUtc, CancellationToken cancellationToken)
+        {
+            if (string.IsNullOrWhiteSpace(channelId))
+            {
+                throw new ArgumentNullException("channelId");
+            }
+
+            /*
+            if (!await EmbyTV.EmbyTVRegistration.Instance.EnableXmlTv().ConfigureAwait(false))
+            {
+                var length = endDateUtc - startDateUtc;
+                if (length.TotalDays > 1)
+                {
+                    endDateUtc = startDateUtc.AddDays(1);
+                }
+            }*/
+
+            _logger.Debug("Getting xmltv programs for channel {0}", channelId);
+
+            var path = await GetXml(info.Path, cancellationToken).ConfigureAwait(false);
+            var reader = new XmlTvReader(path, GetLanguage(info));
+
+            var results = reader.GetProgrammes(channelId, startDateUtc, endDateUtc, cancellationToken);
+            return results.Select(p => GetProgramInfo(p, info));
+        }
+
+        private ProgramInfo GetProgramInfo(XmlTvProgram p, ListingsProviderInfo info)
+        {
+            var episodeTitle = p.Episode == null ? null : p.Episode.Title;
+
+            var programInfo = new ProgramInfo
+            {
+                ChannelId = p.ChannelId,
+                EndDate = p.EndDate.UtcDateTime,
+                EpisodeNumber = p.Episode == null ? null : p.Episode.Episode,
+                EpisodeTitle = episodeTitle,
+                Genres = p.Categories,
+                StartDate = p.StartDate.UtcDateTime,
+                Name = p.Title,
+                Overview = p.Description,
+                ProductionYear = !p.CopyrightDate.HasValue ? (int?)null : p.CopyrightDate.Value.Year,
+                SeasonNumber = p.Episode == null ? null : p.Episode.Series,
+                IsSeries = p.Episode != null,
+                IsRepeat = p.IsPreviouslyShown && !p.IsNew,
+                IsPremiere = p.Premiere != null,
+                IsKids = p.Categories.Any(c => info.KidsCategories.Contains(c, StringComparer.OrdinalIgnoreCase)),
+                IsMovie = p.Categories.Any(c => info.MovieCategories.Contains(c, StringComparer.OrdinalIgnoreCase)),
+                IsNews = p.Categories.Any(c => info.NewsCategories.Contains(c, StringComparer.OrdinalIgnoreCase)),
+                IsSports = p.Categories.Any(c => info.SportsCategories.Contains(c, StringComparer.OrdinalIgnoreCase)),
+                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,
+                CommunityRating = p.StarRating.HasValue ? p.StarRating.Value : (float?)null,
+                SeriesId = p.Episode != null ? p.Title.GetMD5().ToString("N") : null
+            };
+
+            if (!string.IsNullOrWhiteSpace(p.ProgramId))
+            {
+                programInfo.ShowId = p.ProgramId;
+            }
+            else
+            {
+                var uniqueString = (p.Title ?? string.Empty) + (episodeTitle ?? string.Empty) /*+ (p.IceTvEpisodeNumber ?? string.Empty)*/;
+
+                if (programInfo.SeasonNumber.HasValue)
+                {
+                    uniqueString = "-" + programInfo.SeasonNumber.Value.ToString(CultureInfo.InvariantCulture);
+                }
+                if (programInfo.EpisodeNumber.HasValue)
+                {
+                    uniqueString = "-" + programInfo.EpisodeNumber.Value.ToString(CultureInfo.InvariantCulture);
+                }
+
+                programInfo.ShowId = uniqueString.GetMD5().ToString("N");
+
+                // If we don't have valid episode info, assume it's a unique program, otherwise recordings might be skipped
+                if (programInfo.IsSeries && !programInfo.IsRepeat)
+                {
+                    if ((programInfo.EpisodeNumber ?? 0) == 0)
+                    {
+                        programInfo.ShowId = programInfo.ShowId + programInfo.StartDate.Ticks.ToString(CultureInfo.InvariantCulture);
+                    }
+                }
+            }
+
+            // Construct an id from the channel and start date
+            programInfo.Id = String.Format("{0}_{1:O}", p.ChannelId, p.StartDate);
+
+            if (programInfo.IsMovie)
+            {
+                programInfo.IsSeries = false;
+                programInfo.EpisodeNumber = null;
+                programInfo.EpisodeTitle = null;
+            }
+
+            return programInfo;
+        }
+
+        public Task Validate(ListingsProviderInfo info, bool validateLogin, bool validateListings)
+        {
+            // Assume all urls are valid. check files for existence
+            if (!info.Path.StartsWith("http", StringComparison.OrdinalIgnoreCase) && !_fileSystem.FileExists(info.Path))
+            {
+                throw new FileNotFoundException("Could not find the XmlTv file specified:", info.Path);
+            }
+
+            return Task.FromResult(true);
+        }
+
+        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
+            var path = await GetXml(info.Path, CancellationToken.None).ConfigureAwait(false);
+            var reader = new XmlTvReader(path, GetLanguage(info));
+            var results = reader.GetChannels();
+
+            // Should this method be async?
+            return results.Select(c => new NameIdPair() { Id = c.Id, Name = c.DisplayName }).ToList();
+        }
+
+        public async Task<List<ChannelInfo>> GetChannels(ListingsProviderInfo info, CancellationToken cancellationToken)
+        {
+            // In theory this should never be called because there is always only one lineup
+            var path = await GetXml(info.Path, cancellationToken).ConfigureAwait(false);
+            var reader = new XmlTvReader(path, GetLanguage(info));
+            var results = reader.GetChannels();
+
+            // Should this method be async?
+            return results.Select(c => new ChannelInfo
+            {
+                Id = c.Id,
+                Name = c.DisplayName,
+                ImageUrl = c.Icon != null && !String.IsNullOrEmpty(c.Icon.Source) ? c.Icon.Source : null,
+                Number = string.IsNullOrWhiteSpace(c.Number) ? c.Id : c.Number
+
+            }).ToList();
+        }
+    }
+}