Merge branch 'jellyfin:master' into master

1 files changed, 217 insertions, 0 deletions

diff --git a/Jellyfin.Api/Controllers/FilterController.cs b/Jellyfin.Api/Controllers/FilterController.cs
new file mode 100644
index 000000000..223b2a2b6
--- /dev/null
+++ b/Jellyfin.Api/Controllers/FilterController.cs
@@ -0,0 +1,217 @@
+using System;
+using System.Linq;
+using Jellyfin.Api.Constants;
+using Jellyfin.Api.Helpers;
+using Jellyfin.Api.ModelBinders;
+using Jellyfin.Data.Enums;
+using MediaBrowser.Controller.Dto;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.Querying;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Jellyfin.Api.Controllers
+{
+    /// <summary>
+    /// Filters controller.
+    /// </summary>
+    [Route("")]
+    [Authorize(Policy = Policies.DefaultAuthorization)]
+    public class FilterController : BaseJellyfinApiController
+    {
+        private readonly ILibraryManager _libraryManager;
+        private readonly IUserManager _userManager;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FilterController"/> class.
+        /// </summary>
+        /// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
+        /// <param name="userManager">Instance of the <see cref="IUserManager"/> interface.</param>
+        public FilterController(ILibraryManager libraryManager, IUserManager userManager)
+        {
+            _libraryManager = libraryManager;
+            _userManager = userManager;
+        }
+
+        /// <summary>
+        /// Gets legacy query filters.
+        /// </summary>
+        /// <param name="userId">Optional. User id.</param>
+        /// <param name="parentId">Optional. Parent id.</param>
+        /// <param name="includeItemTypes">Optional. If specified, results will be filtered based on item type. This allows multiple, comma delimited.</param>
+        /// <param name="mediaTypes">Optional. Filter by MediaType. Allows multiple, comma delimited.</param>
+        /// <response code="200">Legacy filters retrieved.</response>
+        /// <returns>Legacy query filters.</returns>
+        [HttpGet("Items/Filters")]
+        [ProducesResponseType(StatusCodes.Status200OK)]
+        public ActionResult<QueryFiltersLegacy> GetQueryFiltersLegacy(
+            [FromQuery] Guid? userId,
+            [FromQuery] Guid? parentId,
+            [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
+            [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] mediaTypes)
+        {
+            var user = userId.HasValue && !userId.Equals(Guid.Empty)
+                ? _userManager.GetUserById(userId.Value)
+                : null;
+
+            BaseItem? item = null;
+            if (includeItemTypes.Length != 1
+                || !(includeItemTypes[0] == BaseItemKind.BoxSet
+                     || includeItemTypes[0] == BaseItemKind.Playlist
+                     || includeItemTypes[0] == BaseItemKind.Trailer
+                     || includeItemTypes[0] == BaseItemKind.Program))
+            {
+                item = _libraryManager.GetParentItem(parentId, user?.Id);
+            }
+
+            var query = new InternalItemsQuery
+            {
+                User = user,
+                MediaTypes = mediaTypes,
+                IncludeItemTypes = RequestHelpers.GetItemTypeStrings(includeItemTypes),
+                Recursive = true,
+                EnableTotalRecordCount = false,
+                DtoOptions = new DtoOptions
+                {
+                    Fields = new[] { ItemFields.Genres, ItemFields.Tags },
+                    EnableImages = false,
+                    EnableUserData = false
+                }
+            };
+
+            if (item is not Folder folder)
+            {
+                return new QueryFiltersLegacy();
+            }
+
+            var itemList = folder.GetItemList(query);
+            return new QueryFiltersLegacy
+            {
+                Years = itemList.Select(i => i.ProductionYear ?? -1)
+                    .Where(i => i > 0)
+                    .Distinct()
+                    .OrderBy(i => i)
+                    .ToArray(),
+
+                Genres = itemList.SelectMany(i => i.Genres)
+                    .DistinctNames()
+                    .OrderBy(i => i)
+                    .ToArray(),
+
+                Tags = itemList
+                    .SelectMany(i => i.Tags)
+                    .Distinct(StringComparer.OrdinalIgnoreCase)
+                    .OrderBy(i => i)
+                    .ToArray(),
+
+                OfficialRatings = itemList
+                    .Select(i => i.OfficialRating)
+                    .Where(i => !string.IsNullOrWhiteSpace(i))
+                    .Distinct(StringComparer.OrdinalIgnoreCase)
+                    .OrderBy(i => i)
+                    .ToArray()
+            };
+        }
+
+        /// <summary>
+        /// Gets query filters.
+        /// </summary>
+        /// <param name="userId">Optional. User id.</param>
+        /// <param name="parentId">Optional. Specify this to localize the search to a specific item or folder. Omit to use the root.</param>
+        /// <param name="includeItemTypes">Optional. If specified, results will be filtered based on item type. This allows multiple, comma delimited.</param>
+        /// <param name="isAiring">Optional. Is item airing.</param>
+        /// <param name="isMovie">Optional. Is item movie.</param>
+        /// <param name="isSports">Optional. Is item sports.</param>
+        /// <param name="isKids">Optional. Is item kids.</param>
+        /// <param name="isNews">Optional. Is item news.</param>
+        /// <param name="isSeries">Optional. Is item series.</param>
+        /// <param name="recursive">Optional. Search recursive.</param>
+        /// <response code="200">Filters retrieved.</response>
+        /// <returns>Query filters.</returns>
+        [HttpGet("Items/Filters2")]
+        [ProducesResponseType(StatusCodes.Status200OK)]
+        public ActionResult<QueryFilters> GetQueryFilters(
+            [FromQuery] Guid? userId,
+            [FromQuery] Guid? parentId,
+            [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] BaseItemKind[] includeItemTypes,
+            [FromQuery] bool? isAiring,
+            [FromQuery] bool? isMovie,
+            [FromQuery] bool? isSports,
+            [FromQuery] bool? isKids,
+            [FromQuery] bool? isNews,
+            [FromQuery] bool? isSeries,
+            [FromQuery] bool? recursive)
+        {
+            var user = userId.HasValue && !userId.Equals(Guid.Empty)
+                ? _userManager.GetUserById(userId.Value)
+                : null;
+
+            BaseItem? parentItem = null;
+            if (includeItemTypes.Length == 1
+                && (includeItemTypes[0] == BaseItemKind.BoxSet
+                    || includeItemTypes[0] == BaseItemKind.Playlist
+                    || includeItemTypes[0] == BaseItemKind.Trailer
+                    || includeItemTypes[0] == BaseItemKind.Program))
+            {
+                parentItem = null;
+            }
+            else if (parentId.HasValue)
+            {
+                parentItem = _libraryManager.GetItemById(parentId.Value);
+            }
+
+            var filters = new QueryFilters();
+            var genreQuery = new InternalItemsQuery(user)
+            {
+                IncludeItemTypes = RequestHelpers.GetItemTypeStrings(includeItemTypes),
+                DtoOptions = new DtoOptions
+                {
+                    Fields = Array.Empty<ItemFields>(),
+                    EnableImages = false,
+                    EnableUserData = false
+                },
+                IsAiring = isAiring,
+                IsMovie = isMovie,
+                IsSports = isSports,
+                IsKids = isKids,
+                IsNews = isNews,
+                IsSeries = isSeries
+            };
+
+            if ((recursive ?? true) || parentItem is UserView || parentItem is ICollectionFolder)
+            {
+                genreQuery.AncestorIds = parentItem == null ? Array.Empty<Guid>() : new[] { parentItem.Id };
+            }
+            else
+            {
+                genreQuery.Parent = parentItem;
+            }
+
+            if (includeItemTypes.Length == 1
+                && (includeItemTypes[0] == BaseItemKind.MusicAlbum
+                    || includeItemTypes[0] == BaseItemKind.MusicVideo
+                    || includeItemTypes[0] == BaseItemKind.MusicArtist
+                    || includeItemTypes[0] == BaseItemKind.Audio))
+            {
+                filters.Genres = _libraryManager.GetMusicGenres(genreQuery).Items.Select(i => new NameGuidPair
+                {
+                    Name = i.Item1.Name,
+                    Id = i.Item1.Id
+                }).ToArray();
+            }
+            else
+            {
+                filters.Genres = _libraryManager.GetGenres(genreQuery).Items.Select(i => new NameGuidPair
+                {
+                    Name = i.Item1.Name,
+                    Id = i.Item1.Id
+                }).ToArray();
+            }
+
+            return filters;
+        }
+    }
+}