1 files changed, 282 insertions, 0 deletions
diff --git a/MediaBrowser.Server.Implementations/UserViews/DynamicImageProvider.cs b/MediaBrowser.Server.Implementations/UserViews/DynamicImageProvider.cs
new file mode 100644
index 000000000..6cb7a0339
--- /dev/null
+++ b/MediaBrowser.Server.Implementations/UserViews/DynamicImageProvider.cs
@@ -0,0 +1,282 @@
+using System.Globalization;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.IO;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Entities.TV;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Server.Implementations.Photos;
+using MoreLinq;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Server.Implementations.UserViews
+{
+    public class DynamicImageProvider : BaseDynamicImageProvider<UserView>
+    {
+        private readonly IUserManager _userManager;
+        private readonly ILibraryManager _libraryManager;
+
+        public DynamicImageProvider(IFileSystem fileSystem, IProviderManager providerManager, IApplicationPaths applicationPaths, IUserManager userManager, ILibraryManager libraryManager)
+            : base(fileSystem, providerManager, applicationPaths)
+        {
+            _userManager = userManager;
+            _libraryManager = libraryManager;
+        }
+
+        public override IEnumerable<ImageType> GetSupportedImages(IHasImages item)
+        {
+            var view = (UserView)item;
+            if (IsUsingCollectionStrip(view))
+            {
+                return new List<ImageType>
+                {
+                    ImageType.Primary
+                };
+            }
+
+            return new List<ImageType>
+            {
+                ImageType.Primary,
+                ImageType.Thumb
+            };
+        }
+
+        protected override async Task<List<BaseItem>> GetItemsWithImages(IHasImages item)
+        {
+            var view = (UserView)item;
+
+            if (!view.UserId.HasValue)
+            {
+                return new List<BaseItem>();
+            }
+
+            if (string.Equals(view.ViewType, CollectionType.LiveTv, StringComparison.OrdinalIgnoreCase))
+            {
+                return new List<BaseItem>();
+            }
+
+            if (string.Equals(view.ViewType, SpecialFolder.GameGenre, StringComparison.OrdinalIgnoreCase))
+            {
+                var list = new List<BaseItem>();
+
+                var genre = _libraryManager.GetGameGenre(view.Name);
+
+                if (genre.HasImage(ImageType.Primary) || genre.HasImage(ImageType.Thumb))
+                {
+                    list.Add(genre);
+                }
+                return list;
+            }
+            if (string.Equals(view.ViewType, SpecialFolder.MusicGenre, StringComparison.OrdinalIgnoreCase))
+            {
+                var list = new List<BaseItem>();
+
+                var genre = _libraryManager.GetMusicGenre(view.Name);
+
+                if (genre.HasImage(ImageType.Primary) || genre.HasImage(ImageType.Thumb))
+                {
+                    list.Add(genre);
+                }
+                return list;
+            }
+            if (string.Equals(view.ViewType, SpecialFolder.MovieGenre, StringComparison.OrdinalIgnoreCase) ||
+                string.Equals(view.ViewType, SpecialFolder.TvGenre, StringComparison.OrdinalIgnoreCase))
+            {
+                var list = new List<BaseItem>();
+
+                var genre = _libraryManager.GetGenre(view.Name);
+
+                if (genre.HasImage(ImageType.Primary) || genre.HasImage(ImageType.Thumb))
+                {
+                    list.Add(genre);
+                }
+                return list;
+            }
+
+            var isUsingCollectionStrip = IsUsingCollectionStrip(view);
+            var recursive = isUsingCollectionStrip && !new[] { CollectionType.Playlists, CollectionType.Channels }.Contains(view.ViewType ?? string.Empty, StringComparer.OrdinalIgnoreCase);
+
+            var result = await view.GetItems(new InternalItemsQuery
+            {
+                User = _userManager.GetUserById(view.UserId.Value),
+                CollapseBoxSetItems = false,
+                Recursive = recursive,
+                ExcludeItemTypes = new[] { "UserView", "CollectionFolder" }
+
+            }).ConfigureAwait(false);
+
+            var items = result.Items.Select(i =>
+            {
+                var episode = i as Episode;
+                if (episode != null)
+                {
+                    var series = episode.Series;
+                    if (series != null)
+                    {
+                        return series;
+                    }
+                    var episodeSeason = episode.Season;
+                    if (episodeSeason != null)
+                    {
+                        return episodeSeason;
+                    }
+
+                    return episode;
+                }
+
+                var season = i as Season;
+                if (season != null)
+                {
+                    var series = season.Series;
+                    if (series != null)
+                    {
+                        return series;
+                    }
+
+                    return season;
+                }
+
+                var audio = i as Audio;
+                if (audio != null)
+                {
+                    var album = audio.FindParent<MusicAlbum>();
+                    if (album != null && album.HasImage(ImageType.Primary))
+                    {
+                        return album;
+                    }
+                }
+
+                return i;
+
+            }).DistinctBy(i => i.Id);
+
+            if (isUsingCollectionStrip)
+            {
+                return GetFinalItems(items.Where(i => i.HasImage(ImageType.Primary) || i.HasImage(ImageType.Thumb)).ToList(), 8);
+            }
+
+            return GetFinalItems(items.Where(i => i.HasImage(ImageType.Primary)).ToList());
+        }
+
+        public override bool Supports(IHasImages item)
+        {
+            var view = item as UserView;
+
+            if (view != null && view.UserId.HasValue)
+            {
+                var supported = new[]
+                {
+                    SpecialFolder.TvFavoriteEpisodes,
+                    SpecialFolder.TvFavoriteSeries,
+                    SpecialFolder.TvGenres,
+                    SpecialFolder.TvGenre,
+                    SpecialFolder.TvLatest,
+                    SpecialFolder.TvNextUp,
+                    SpecialFolder.TvResume,
+                    SpecialFolder.TvShowSeries,
+
+                    SpecialFolder.MovieCollections,
+                    SpecialFolder.MovieFavorites,
+                    SpecialFolder.MovieGenres,
+                    SpecialFolder.MovieGenre,
+                    SpecialFolder.MovieLatest,
+                    SpecialFolder.MovieMovies,
+                    SpecialFolder.MovieResume,
+
+                    SpecialFolder.GameFavorites,
+                    SpecialFolder.GameGenres,
+                    SpecialFolder.GameGenre,
+                    SpecialFolder.GameSystems,
+                    SpecialFolder.LatestGames,
+                    SpecialFolder.RecentlyPlayedGames,
+
+                    SpecialFolder.MusicArtists,
+                    SpecialFolder.MusicAlbumArtists,
+                    SpecialFolder.MusicAlbums,
+                    SpecialFolder.MusicGenres,
+                    SpecialFolder.MusicGenre,
+                    SpecialFolder.MusicLatest,
+                    SpecialFolder.MusicSongs,
+                    SpecialFolder.MusicFavorites,
+                    SpecialFolder.MusicFavoriteArtists,
+                    SpecialFolder.MusicFavoriteAlbums,
+                    SpecialFolder.MusicFavoriteSongs
+                };
+
+                return (IsUsingCollectionStrip(view) || supported.Contains(view.ViewType, StringComparer.OrdinalIgnoreCase)) &&
+                    _userManager.GetUserById(view.UserId.Value) != null;
+            }
+
+            return false;
+        }
+
+        private bool IsUsingCollectionStrip(UserView view)
+        {
+            string[] collectionStripViewTypes =
+            {
+                CollectionType.Movies,
+                CollectionType.TvShows,
+                CollectionType.Games,
+                CollectionType.Music,
+                CollectionType.BoxSets,
+                CollectionType.Playlists,
+                CollectionType.Channels,
+                CollectionType.LiveTv
+            };
+
+            return collectionStripViewTypes.Contains(view.ViewType ?? string.Empty);
+        }
+
+        protected override Task<Stream> CreateImageAsync(IHasImages item, List<BaseItem> itemsWithImages, ImageType imageType, int imageIndex)
+        {
+            var view = (UserView)item;
+            if (imageType == ImageType.Primary && IsUsingCollectionStrip(view))
+            {
+                var stream = new StripCollageBuilder(ApplicationPaths).BuildThumbCollage(GetStripCollageImagePaths(itemsWithImages, view.ViewType), item.Name, 960, 540);
+                return Task.FromResult(stream);
+            }
+
+            return base.CreateImageAsync(item, itemsWithImages, imageType, imageIndex);
+        }
+
+        private IEnumerable<String> GetStripCollageImagePaths(IEnumerable<BaseItem> items, string viewType)
+        {
+            if (string.Equals(viewType, CollectionType.LiveTv, StringComparison.OrdinalIgnoreCase))
+            {
+                var list = new List<string>();
+                for (int i = 1; i <= 8; i++)
+                {
+                    list.Add(ExtractLiveTvResource(i.ToString(CultureInfo.InvariantCulture), ApplicationPaths));
+                }
+                return list;
+            }
+
+            return items
+                .Select(i => i.GetImagePath(ImageType.Primary) ?? i.GetImagePath(ImageType.Thumb))
+                .Where(i => !string.IsNullOrWhiteSpace(i));
+        }
+
+        private string ExtractLiveTvResource(string name, IApplicationPaths paths)
+        {
+            var namespacePath = GetType().Namespace + ".livetv." + name + ".jpg";
+            var tempPath = Path.Combine(paths.TempDirectory, Guid.NewGuid().ToString("N") + ".jpg");
+            Directory.CreateDirectory(Path.GetDirectoryName(tempPath));
+
+            using (var stream = GetType().Assembly.GetManifestResourceStream(namespacePath))
+            {
+                using (var fileStream = new FileStream(tempPath, FileMode.Create, FileAccess.Write, FileShare.Read))
+                {
+                    stream.CopyTo(fileStream);
+                }
+            }
+
+            return tempPath;
+        }
+    }
+}