jellyfin/MediaBrowser.Providers/Plugins/Tmdb/TV/TmdbSeriesProvider.cs

#pragma warning disable CS1591

using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Globalization;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Providers;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Providers.Plugins.Tmdb.Movies;
using Microsoft.Extensions.Logging;
using TMDbLib.Objects.Find;
using TMDbLib.Objects.Search;
using TMDbLib.Objects.TvShows;

namespace MediaBrowser.Providers.Plugins.Tmdb.TV
{
    public class TmdbSeriesProvider : IRemoteMetadataProvider<Series, SeriesInfo>, IHasOrder
    {
        private readonly IHttpClientFactory _httpClientFactory;
        private readonly TmdbClientManager _tmdbClientManager;

        private readonly CultureInfo _usCulture = new CultureInfo("en-US");

        public TmdbSeriesProvider(
            IHttpClientFactory httpClientFactory,
            TmdbClientManager tmdbClientManager)
        {
            _httpClientFactory = httpClientFactory;
            _tmdbClientManager = tmdbClientManager;
            Current = this;
        }

        public string Name => TmdbUtils.ProviderName;

        // After TheTVDB
        public int Order => 1;

        internal static TmdbSeriesProvider Current { get; private set; }

        public async Task<IEnumerable<RemoteSearchResult>> GetSearchResults(SeriesInfo searchInfo, CancellationToken cancellationToken)
        {
            var tmdbId = searchInfo.GetProviderId(MetadataProvider.Tmdb);

            if (!string.IsNullOrEmpty(tmdbId))
            {
                var series = await _tmdbClientManager
                    .GetSeriesAsync(Convert.ToInt32(tmdbId, CultureInfo.InvariantCulture), searchInfo.MetadataLanguage, searchInfo.MetadataLanguage, cancellationToken)
                    .ConfigureAwait(false);

                if (series != null)
                {
                    var remoteResult = MapTvShowToRemoteSearchResult(series);

                    return new[] { remoteResult };
                }
            }

            var imdbId = searchInfo.GetProviderId(MetadataProvider.Imdb);

            if (!string.IsNullOrEmpty(imdbId))
            {
                var findResult = await _tmdbClientManager
                    .FindByExternalIdAsync(imdbId, FindExternalSource.Imdb, searchInfo.MetadataLanguage, cancellationToken)
                    .ConfigureAwait(false);

                if (findResult?.TvResults != null)
                {
                    var imdbIdResults = new List<RemoteSearchResult>();
                    for (var i = 0; i < findResult.TvResults.Count; i++)
                    {
                        var remoteResult = MapSearchTvToRemoteSearchResult(findResult.TvResults[i]);
                        remoteResult.SetProviderId(MetadataProvider.Imdb, imdbId);
                        imdbIdResults.Add(remoteResult);
                    }

                    return imdbIdResults;
                }
            }

            var tvdbId = searchInfo.GetProviderId(MetadataProvider.Tvdb);

            if (!string.IsNullOrEmpty(tvdbId))
            {
                var findResult = await _tmdbClientManager
                    .FindByExternalIdAsync(tvdbId, FindExternalSource.TvDb, searchInfo.MetadataLanguage, cancellationToken)
                    .ConfigureAwait(false);

                if (findResult?.TvResults != null)
                {
                    var tvIdResults = new List<RemoteSearchResult>();
                    for (var i = 0; i < findResult.TvResults.Count; i++)
                    {
                        var remoteResult = MapSearchTvToRemoteSearchResult(findResult.TvResults[i]);
                        remoteResult.SetProviderId(MetadataProvider.Tvdb, tvdbId);
                        tvIdResults.Add(remoteResult);
                    }

                    return tvIdResults;
                }
            }

            var tvSearchResults = await _tmdbClientManager.SearchSeriesAsync(searchInfo.Name, searchInfo.MetadataLanguage, cancellationToken)
                .ConfigureAwait(false);

            var remoteResults = new List<RemoteSearchResult>();
            for (var i = 0; i < tvSearchResults.Count; i++)
            {
                remoteResults.Add(MapSearchTvToRemoteSearchResult(tvSearchResults[i]));
            }

            return remoteResults;
        }

        private RemoteSearchResult MapTvShowToRemoteSearchResult(TvShow series)
        {
            var remoteResult = new RemoteSearchResult
            {
                Name = series.Name ?? series.OriginalName,
                SearchProviderName = Name,
                ImageUrl = _tmdbClientManager.GetPosterUrl(series.PosterPath),
                Overview = series.Overview
            };

            remoteResult.SetProviderId(MetadataProvider.Tmdb, series.Id.ToString(_usCulture));
            if (series.ExternalIds != null)
            {
                if (!string.IsNullOrEmpty(series.ExternalIds.ImdbId))
                {
                    remoteResult.SetProviderId(MetadataProvider.Imdb, series.ExternalIds.ImdbId);
                }

                if (!string.IsNullOrEmpty(series.ExternalIds.TvdbId))
                {
                    remoteResult.SetProviderId(MetadataProvider.Tvdb, series.ExternalIds.TvdbId);
                }
            }

            remoteResult.PremiereDate = series.FirstAirDate?.ToUniversalTime();

            return remoteResult;
        }

        private RemoteSearchResult MapSearchTvToRemoteSearchResult(SearchTv series)
        {
            var remoteResult = new RemoteSearchResult
            {
                Name = series.Name ?? series.OriginalName,
                SearchProviderName = Name,
                ImageUrl = _tmdbClientManager.GetPosterUrl(series.PosterPath),
                Overview = series.Overview
            };

            remoteResult.SetProviderId(MetadataProvider.Tmdb, series.Id.ToString(_usCulture));
            remoteResult.PremiereDate = series.FirstAirDate?.ToUniversalTime();

            return remoteResult;
        }

        public async Task<MetadataResult<Series>> GetMetadata(SeriesInfo info, CancellationToken cancellationToken)
        {
            var result = new MetadataResult<Series>
            {
                QueriedById = true
            };

            var tmdbId = info.GetProviderId(MetadataProvider.Tmdb);

            if (string.IsNullOrEmpty(tmdbId))
            {
                var imdbId = info.GetProviderId(MetadataProvider.Imdb);

                if (!string.IsNullOrEmpty(imdbId))
                {
                    var searchResult = await _tmdbClientManager.FindByExternalIdAsync(imdbId, FindExternalSource.Imdb, info.MetadataLanguage, cancellationToken).ConfigureAwait(false);

                    if (searchResult != null)
                    {
                        tmdbId = searchResult.TvResults.FirstOrDefault()?.Id.ToString(CultureInfo.InvariantCulture);
                    }
                }
            }

            if (string.IsNullOrEmpty(tmdbId))
            {
                var tvdbId = info.GetProviderId(MetadataProvider.Tvdb);

                if (!string.IsNullOrEmpty(tvdbId))
                {
                    var searchResult = await _tmdbClientManager.FindByExternalIdAsync(tvdbId, FindExternalSource.TvDb, info.MetadataLanguage, cancellationToken).ConfigureAwait(false);

                    if (searchResult != null)
                    {
                        tmdbId = searchResult.TvResults.FirstOrDefault()?.Id.ToString(CultureInfo.InvariantCulture);
                    }
                }
            }

            if (string.IsNullOrEmpty(tmdbId))
            {
                result.QueriedById = false;
                var searchResults = await _tmdbClientManager.SearchSeriesAsync(info.Name, info.MetadataLanguage, cancellationToken).ConfigureAwait(false);

                if (searchResults.Count > 0)
                {
                    tmdbId = searchResults[0].Id.ToString(CultureInfo.InvariantCulture);
                }
            }

            if (!string.IsNullOrEmpty(tmdbId))
            {
                cancellationToken.ThrowIfCancellationRequested();

                var tvShow = await _tmdbClientManager
                    .GetSeriesAsync(Convert.ToInt32(tmdbId, CultureInfo.InvariantCulture), info.MetadataLanguage, TmdbUtils.GetImageLanguagesParam(info.MetadataLanguage), cancellationToken)
                    .ConfigureAwait(false);

                result = new MetadataResult<Series>
                {
                    Item = MapTvShowToSeries(tvShow, info.MetadataCountryCode),
                    ResultLanguage = info.MetadataLanguage ?? tvShow.OriginalLanguage
                };

                foreach (var person in GetPersons(tvShow))
                {
                    result.AddPerson(person);
                }

                result.HasMetadata = result.Item != null;
            }

            return result;
        }

        private Series MapTvShowToSeries(TvShow seriesResult, string preferredCountryCode)
        {
            var series = new Series {Name = seriesResult.Name, OriginalTitle = seriesResult.OriginalName};

            series.SetProviderId(MetadataProvider.Tmdb, seriesResult.Id.ToString(_usCulture));

            series.CommunityRating = Convert.ToSingle(seriesResult.VoteAverage);

            series.Overview = seriesResult.Overview;

            if (seriesResult.Networks != null)
            {
                series.Studios = seriesResult.Networks.Select(i => i.Name).ToArray();
            }

            if (seriesResult.Genres != null)
            {
                series.Genres = seriesResult.Genres.Select(i => i.Name).ToArray();
            }

            series.HomePageUrl = seriesResult.Homepage;

            series.RunTimeTicks = seriesResult.EpisodeRunTime.Select(i => TimeSpan.FromMinutes(i).Ticks).FirstOrDefault();

            if (string.Equals(seriesResult.Status, "Ended", StringComparison.OrdinalIgnoreCase))
            {
                series.Status = SeriesStatus.Ended;
                series.EndDate = seriesResult.LastAirDate;
            }
            else
            {
                series.Status = SeriesStatus.Continuing;
            }

            series.PremiereDate = seriesResult.FirstAirDate;

            var ids = seriesResult.ExternalIds;
            if (ids != null)
            {
                if (!string.IsNullOrWhiteSpace(ids.ImdbId))
                {
                    series.SetProviderId(MetadataProvider.Imdb, ids.ImdbId);
                }

                if (!string.IsNullOrEmpty(ids.TvrageId))
                {
                    series.SetProviderId(MetadataProvider.TvRage, ids.TvrageId);
                }

                if (!string.IsNullOrEmpty(ids.TvdbId))
                {
                    series.SetProviderId(MetadataProvider.Tvdb, ids.TvdbId);
                }
            }

            var contentRatings = seriesResult.ContentRatings.Results ?? new List<ContentRating>();

            var ourRelease = contentRatings.FirstOrDefault(c => string.Equals(c.Iso_3166_1, preferredCountryCode, StringComparison.OrdinalIgnoreCase));
            var usRelease = contentRatings.FirstOrDefault(c => string.Equals(c.Iso_3166_1, "US", StringComparison.OrdinalIgnoreCase));
            var minimumRelease = contentRatings.FirstOrDefault();

            if (ourRelease != null)
            {
                series.OfficialRating = ourRelease.Rating;
            }
            else if (usRelease != null)
            {
                series.OfficialRating = usRelease.Rating;
            }
            else if (minimumRelease != null)
            {
                series.OfficialRating = minimumRelease.Rating;
            }

            if (seriesResult.Videos?.Results != null)
            {
                foreach (var video in seriesResult.Videos.Results)
                {
                    if (TmdbUtils.IsTrailerType(video))
                    {
                        series.AddTrailerUrl($"http://www.youtube.com/watch?v={video.Key}");
                    }
                }
            }

            return series;
        }

        private IEnumerable<PersonInfo> GetPersons(TvShow seriesResult)
        {
            if (seriesResult.Credits?.Cast != null)
            {
                foreach (var actor in seriesResult.Credits.Cast.OrderBy(a => a.Order).Take(TmdbUtils.MaxCastMembers))
                {
                    var personInfo = new PersonInfo
                    {
                        Name = actor.Name.Trim(),
                        Role = actor.Character,
                        Type = PersonType.Actor,
                        SortOrder = actor.Order,
                        ImageUrl = _tmdbClientManager.GetPosterUrl(actor.ProfilePath)
                    };

                    if (actor.Id > 0)
                    {
                        personInfo.SetProviderId(MetadataProvider.Tmdb, actor.Id.ToString(CultureInfo.InvariantCulture));
                    }

                    yield return personInfo;
                }
            }

            if (seriesResult.Credits?.Crew != null)
            {
                var keepTypes = new[]
                {
                    PersonType.Director,
                    PersonType.Writer,
                    PersonType.Producer
                };

                foreach (var person in seriesResult.Credits.Crew)
                {
                    // Normalize this
                    var type = TmdbUtils.MapCrewToPersonType(person);

                    if (!keepTypes.Contains(type, StringComparer.OrdinalIgnoreCase)
                        && !keepTypes.Contains(person.Job ?? string.Empty, StringComparer.OrdinalIgnoreCase))
                    {
                        continue;
                    }

                    yield return new PersonInfo
                    {
                        Name = person.Name.Trim(),
                        Role = person.Job,
                        Type = type
                    };
                }
            }
        }

        public Task<HttpResponseMessage> GetImageResponse(string url, CancellationToken cancellationToken)
        {
            return _httpClientFactory.CreateClient(NamedClient.Default).GetAsync(url, cancellationToken);
        }
    }
}