jellyfin/MediaBrowser.Controller/Providers/Movies/FanArtMovieProvider.cs

using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Globalization;
using System.Threading;
using System.Threading.Tasks;
using System.Xml;

namespace MediaBrowser.Controller.Providers.Movies
{
    /// <summary>
    /// Class FanArtMovieProvider
    /// </summary>
    class FanArtMovieProvider : FanartBaseProvider, IDisposable
    {
        /// <summary>
        /// Gets the HTTP client.
        /// </summary>
        /// <value>The HTTP client.</value>
        protected IHttpClient HttpClient { get; private set; }

        private readonly IProviderManager _providerManager;

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

        /// <summary>
        /// Initializes a new instance of the <see cref="FanArtMovieProvider" /> class.
        /// </summary>
        /// <param name="httpClient">The HTTP client.</param>
        /// <param name="logManager">The log manager.</param>
        /// <param name="configurationManager">The configuration manager.</param>
        /// <param name="providerManager">The provider manager.</param>
        /// <exception cref="System.ArgumentNullException">httpClient</exception>
        public FanArtMovieProvider(IHttpClient httpClient, ILogManager logManager, IServerConfigurationManager configurationManager, IProviderManager providerManager)
            : base(logManager, configurationManager)
        {
            if (httpClient == null)
            {
                throw new ArgumentNullException("httpClient");
            }
            HttpClient = httpClient;
            _providerManager = providerManager;
        }

        /// <summary>
        /// Releases unmanaged and - optionally - managed resources.
        /// </summary>
        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
        protected virtual void Dispose(bool dispose)
        {
            if (dispose)
            {
                FanArtResourcePool.Dispose();
            }
        }

        /// <summary>
        /// Gets a value indicating whether [refresh on version change].
        /// </summary>
        /// <value><c>true</c> if [refresh on version change]; otherwise, <c>false</c>.</value>
        protected override bool RefreshOnVersionChange
        {
            get
            {
                return true;
            }
        }

        /// <summary>
        /// Gets the provider version.
        /// </summary>
        /// <value>The provider version.</value>
        protected override string ProviderVersion
        {
            get
            {
                return "12";
            }
        }

        /// <summary>
        /// The fan art base URL
        /// </summary>
        protected string FanArtBaseUrl = "http://api.fanart.tv/webservice/movie/{0}/{1}/xml/all/1/1";

        /// <summary>
        /// Supportses the specified item.
        /// </summary>
        /// <param name="item">The item.</param>
        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
        public override bool Supports(BaseItem item)
        {
            var trailer = item as Trailer;

            if (trailer != null)
            {
                return !trailer.IsLocalTrailer;
            }

            return item is Movie || item is BoxSet;
        }

        /// <summary>
        /// Needses the refresh internal.
        /// </summary>
        /// <param name="item">The item.</param>
        /// <param name="providerInfo">The provider info.</param>
        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
        protected override bool NeedsRefreshInternal(BaseItem item, BaseProviderInfo providerInfo)
        {
            if (string.IsNullOrEmpty(item.GetProviderId(MetadataProviders.Tmdb)))
            {
                return false;
            }

            if (!ConfigurationManager.Configuration.DownloadMovieImages.Art &&
                !ConfigurationManager.Configuration.DownloadMovieImages.Logo &&
                !ConfigurationManager.Configuration.DownloadMovieImages.Disc &&
                !ConfigurationManager.Configuration.DownloadMovieImages.Backdrops &&
                !ConfigurationManager.Configuration.DownloadMovieImages.Banner &&
                !ConfigurationManager.Configuration.DownloadMovieImages.Thumb)
            {
                return false;
            }

            // Refresh if tmdb id has changed
            if (providerInfo.Data != GetComparisonData(item.GetProviderId(MetadataProviders.Tmdb)))
            {
                return true;
            }

            return base.NeedsRefreshInternal(item, providerInfo);
        }

        /// <summary>
        /// Gets the comparison data.
        /// </summary>
        /// <returns>Guid.</returns>
        private Guid GetComparisonData(string id)
        {
            return string.IsNullOrEmpty(id) ? Guid.Empty : id.GetMD5();
        }

        /// <summary>
        /// Fetches metadata and returns true or false indicating if any work that requires persistence was done
        /// </summary>
        /// <param name="item">The item.</param>
        /// <param name="force">if set to <c>true</c> [force].</param>
        /// <param name="cancellationToken">The cancellation token.</param>
        /// <returns>Task{System.Boolean}.</returns>
        public override async Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
        {
            cancellationToken.ThrowIfCancellationRequested();

            BaseProviderInfo data;

            if (!item.ProviderData.TryGetValue(Id, out data))
            {
                data = new BaseProviderInfo();
                item.ProviderData[Id] = data;
            }

            var status = ProviderRefreshStatus.Success;

            var movie = item;

            var language = ConfigurationManager.Configuration.PreferredMetadataLanguage.ToLower();
            var url = string.Format(FanArtBaseUrl, ApiKey, movie.GetProviderId(MetadataProviders.Tmdb));
            var doc = new XmlDocument();

            using (var xml = await HttpClient.Get(new HttpRequestOptions
            {
                Url = url,
                ResourcePool = FanArtResourcePool,
                CancellationToken = cancellationToken

            }).ConfigureAwait(false))
            {
                doc.Load(xml);
            }

            cancellationToken.ThrowIfCancellationRequested();

            var saveLocal = ConfigurationManager.Configuration.SaveLocalMeta &&
                            item.LocationType == LocationType.FileSystem;

            string path;
            var hd = ConfigurationManager.Configuration.DownloadHDFanArt ? "hd" : "";

            if (ConfigurationManager.Configuration.DownloadMovieImages.Logo && !item.HasImage(ImageType.Logo))
            {
                var node =
                    doc.SelectSingleNode("//fanart/movie/movielogos/" + hd + "movielogo[@lang = \"" + language + "\"]/@url") ??
                    doc.SelectSingleNode("//fanart/movie/movielogos/movielogo[@lang = \"" + language + "\"]/@url");
                if (node == null && language != "en")
                {
                    //maybe just couldn't find language - try just first one
                    node = doc.SelectSingleNode("//fanart/movie/movielogos/" + hd + "movielogo/@url");
                }
                path = node != null ? node.Value : null;
                if (!string.IsNullOrEmpty(path))
                {
                    movie.SetImage(ImageType.Logo, await _providerManager.DownloadAndSaveImage(movie, path, LogoFile, saveLocal, FanArtResourcePool, cancellationToken).ConfigureAwait(false));
                }
            }
            cancellationToken.ThrowIfCancellationRequested();

            if (ConfigurationManager.Configuration.DownloadMovieImages.Art && !item.HasImage(ImageType.Art))
            {
                var node =
                    doc.SelectSingleNode("//fanart/movie/moviearts/" + hd + "movieart[@lang = \"" + language + "\"]/@url") ??
                    doc.SelectSingleNode("//fanart/movie/moviearts/" + hd + "movieart/@url") ??
                    doc.SelectSingleNode("//fanart/movie/moviearts/movieart[@lang = \"" + language + "\"]/@url") ??
                    doc.SelectSingleNode("//fanart/movie/moviearts/movieart/@url");
                path = node != null ? node.Value : null;
                if (!string.IsNullOrEmpty(path))
                {
                    movie.SetImage(ImageType.Art, await _providerManager.DownloadAndSaveImage(movie, path, ArtFile, saveLocal, FanArtResourcePool, cancellationToken).ConfigureAwait(false));
                }
            }
            cancellationToken.ThrowIfCancellationRequested();

            if (ConfigurationManager.Configuration.DownloadMovieImages.Disc && !item.HasImage(ImageType.Disc))
            {
                var node = doc.SelectSingleNode("//fanart/movie/moviediscs/moviedisc[@lang = \"" + language + "\"]/@url") ??
                           doc.SelectSingleNode("//fanart/movie/moviediscs/moviedisc/@url");
                path = node != null ? node.Value : null;
                if (!string.IsNullOrEmpty(path))
                {
                    movie.SetImage(ImageType.Disc, await _providerManager.DownloadAndSaveImage(movie, path, DiscFile, saveLocal, FanArtResourcePool, cancellationToken).ConfigureAwait(false));
                }
            }

            cancellationToken.ThrowIfCancellationRequested();

            if (ConfigurationManager.Configuration.DownloadMovieImages.Banner && !item.HasImage(ImageType.Banner))
            {
                var node = doc.SelectSingleNode("//fanart/movie/moviebanners/moviebanner[@lang = \"" + language + "\"]/@url") ??
                           doc.SelectSingleNode("//fanart/movie/moviebanners/moviebanner/@url");
                path = node != null ? node.Value : null;
                if (!string.IsNullOrEmpty(path))
                {
                    movie.SetImage(ImageType.Banner, await _providerManager.DownloadAndSaveImage(movie, path, BannerFile, saveLocal, FanArtResourcePool, cancellationToken).ConfigureAwait(false));
                }
            }

            cancellationToken.ThrowIfCancellationRequested();

            if (ConfigurationManager.Configuration.DownloadMovieImages.Thumb && !item.HasImage(ImageType.Thumb))
            {
                var node = doc.SelectSingleNode("//fanart/movie/moviethumbs/moviethumb[@lang = \"" + language + "\"]/@url") ??
                           doc.SelectSingleNode("//fanart/movie/moviethumbs/moviethumb/@url");
                path = node != null ? node.Value : null;
                if (!string.IsNullOrEmpty(path))
                {
                    movie.SetImage(ImageType.Thumb, await _providerManager.DownloadAndSaveImage(movie, path, ThumbFile, saveLocal, FanArtResourcePool, cancellationToken).ConfigureAwait(false));
                }
            }

            if (ConfigurationManager.Configuration.DownloadMovieImages.Backdrops && item.BackdropImagePaths.Count < ConfigurationManager.Configuration.MaxBackdrops)
            {
                var nodes = doc.SelectNodes("//fanart/movie/moviebackgrounds//@url");

                if (nodes != null)
                {
                    var numBackdrops = item.BackdropImagePaths.Count;

                    foreach (XmlNode node in nodes)
                    {
                        path = node.Value;

                        if (!string.IsNullOrEmpty(path))
                        {
                            item.BackdropImagePaths.Add(await _providerManager.DownloadAndSaveImage(item, path, ("backdrop" + (numBackdrops > 0 ? numBackdrops.ToString(UsCulture) : "") + ".jpg"), saveLocal, FanArtResourcePool, cancellationToken).ConfigureAwait(false));
                            
                            numBackdrops++;

                            if (item.BackdropImagePaths.Count >= ConfigurationManager.Configuration.MaxBackdrops) break;
                        }
                    }

                }
            }

            data.Data = GetComparisonData(item.GetProviderId(MetadataProviders.Tmdb));
            SetLastRefreshed(movie, DateTime.UtcNow, status);
            return true;
        }

        public void Dispose()
        {
            Dispose(true);
        }
    }
}