1 files changed, 235 insertions, 0 deletions
diff --git a/Jellyfin.Api/Controllers/YearsController.cs b/Jellyfin.Api/Controllers/YearsController.cs
new file mode 100644
index 000000000..4ecf0407b
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+++ b/Jellyfin.Api/Controllers/YearsController.cs
@@ -0,0 +1,235 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using Jellyfin.Api.Constants;
+using Jellyfin.Api.Extensions;
+using Jellyfin.Api.Helpers;
+using Jellyfin.Data.Entities;
+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>
+    /// Years controller.
+    /// </summary>
+    [Authorize(Policy = Policies.DefaultAuthorization)]
+    public class YearsController : BaseJellyfinApiController
+    {
+        private readonly ILibraryManager _libraryManager;
+        private readonly IUserManager _userManager;
+        private readonly IDtoService _dtoService;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="YearsController"/> class.
+        /// </summary>
+        /// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
+        /// <param name="userManager">Instance of the <see cref="IUserManager"/> interface.</param>
+        /// <param name="dtoService">Instance of the <see cref="IDtoService"/> interface.</param>
+        public YearsController(
+            ILibraryManager libraryManager,
+            IUserManager userManager,
+            IDtoService dtoService)
+        {
+            _libraryManager = libraryManager;
+            _userManager = userManager;
+            _dtoService = dtoService;
+        }
+
+        /// <summary>
+        /// Get years.
+        /// </summary>
+        /// <param name="startIndex">Skips over a given number of items within the results. Use for paging.</param>
+        /// <param name="limit">Optional. The maximum number of records to return.</param>
+        /// <param name="sortOrder">Sort Order - Ascending,Descending.</param>
+        /// <param name="parentId">Specify this to localize the search to a specific item or folder. Omit to use the root.</param>
+        /// <param name="fields">Optional. Specify additional fields of information to return in the output. This allows multiple, comma delimited. Options: Budget, Chapters, DateCreated, Genres, HomePageUrl, IndexOptions, MediaStreams, Overview, ParentId, Path, People, ProviderIds, PrimaryImageAspectRatio, Revenue, SortName, Studios, Taglines.</param>
+        /// <param name="excludeItemTypes">Optional. If specified, results will be excluded based on item type. This allows multiple, comma delimited.</param>
+        /// <param name="includeItemTypes">Optional. If specified, results will be included based on item type. This allows multiple, comma delimited.</param>
+        /// <param name="mediaTypes">Optional. Filter by MediaType. Allows multiple, comma delimited.</param>
+        /// <param name="sortBy">Optional. Specify one or more sort orders, comma delimited. Options: Album, AlbumArtist, Artist, Budget, CommunityRating, CriticRating, DateCreated, DatePlayed, PlayCount, PremiereDate, ProductionYear, SortName, Random, Revenue, Runtime.</param>
+        /// <param name="enableUserData">Optional. Include user data.</param>
+        /// <param name="imageTypeLimit">Optional. The max number of images to return, per image type.</param>
+        /// <param name="enableImageTypes">Optional. The image types to include in the output.</param>
+        /// <param name="userId">User Id.</param>
+        /// <param name="recursive">Search recursively.</param>
+        /// <param name="enableImages">Optional. Include image information in output.</param>
+        /// <response code="200">Year query returned.</response>
+        /// <returns> A <see cref="QueryResult{BaseItemDto}"/> containing the year result.</returns>
+        [HttpGet]
+        [ProducesResponseType(StatusCodes.Status200OK)]
+        public ActionResult<QueryResult<BaseItemDto>> GetYears(
+            [FromQuery] int? startIndex,
+            [FromQuery] int? limit,
+            [FromQuery] string? sortOrder,
+            [FromQuery] string? parentId,
+            [FromQuery] string? fields,
+            [FromQuery] string? excludeItemTypes,
+            [FromQuery] string? includeItemTypes,
+            [FromQuery] string? mediaTypes,
+            [FromQuery] string? sortBy,
+            [FromQuery] bool? enableUserData,
+            [FromQuery] int? imageTypeLimit,
+            [FromQuery] string? enableImageTypes,
+            [FromQuery] Guid? userId,
+            [FromQuery] bool recursive = true,
+            [FromQuery] bool? enableImages = true)
+        {
+            var dtoOptions = new DtoOptions()
+                .AddItemFields(fields)
+                .AddClientFields(Request)
+                .AddAdditionalDtoOptions(enableImages, enableUserData, imageTypeLimit, enableImageTypes);
+
+            User? user = null;
+            BaseItem parentItem;
+
+            if (userId.HasValue && !userId.Equals(Guid.Empty))
+            {
+                user = _userManager.GetUserById(userId.Value);
+                parentItem = string.IsNullOrEmpty(parentId) ? _libraryManager.GetUserRootFolder() : _libraryManager.GetItemById(parentId);
+            }
+            else
+            {
+                parentItem = string.IsNullOrEmpty(parentId) ? _libraryManager.RootFolder : _libraryManager.GetItemById(parentId);
+            }
+
+            IList<BaseItem> items;
+
+            var excludeItemTypesArr = RequestHelpers.Split(excludeItemTypes, ',', true);
+            var includeItemTypesArr = RequestHelpers.Split(includeItemTypes, ',', true);
+            var mediaTypesArr = RequestHelpers.Split(mediaTypes, ',', true);
+
+            var query = new InternalItemsQuery(user)
+            {
+                ExcludeItemTypes = excludeItemTypesArr,
+                IncludeItemTypes = includeItemTypesArr,
+                MediaTypes = mediaTypesArr,
+                DtoOptions = dtoOptions
+            };
+
+            bool Filter(BaseItem i) => FilterItem(i, excludeItemTypesArr, includeItemTypesArr, mediaTypesArr);
+
+            if (parentItem.IsFolder)
+            {
+                var folder = (Folder)parentItem;
+
+                if (!userId.Equals(Guid.Empty))
+                {
+                    items = recursive ? folder.GetRecursiveChildren(user, query).ToList() : folder.GetChildren(user, true).Where(Filter).ToList();
+                }
+                else
+                {
+                    items = recursive ? folder.GetRecursiveChildren(Filter) : folder.Children.Where(Filter).ToList();
+                }
+            }
+            else
+            {
+                items = new[] { parentItem }.Where(Filter).ToList();
+            }
+
+            var extractedItems = GetAllItems(items);
+
+            var filteredItems = _libraryManager.Sort(extractedItems, user, RequestHelpers.GetOrderBy(sortBy, sortOrder));
+
+            var ibnItemsArray = filteredItems.ToList();
+
+            IEnumerable<BaseItem> ibnItems = ibnItemsArray;
+
+            var result = new QueryResult<BaseItemDto> { TotalRecordCount = ibnItemsArray.Count };
+
+            if (startIndex.HasValue || limit.HasValue)
+            {
+                if (startIndex.HasValue)
+                {
+                    ibnItems = ibnItems.Skip(startIndex.Value);
+                }
+
+                if (limit.HasValue)
+                {
+                    ibnItems = ibnItems.Take(limit.Value);
+                }
+            }
+
+            var tuples = ibnItems.Select(i => new Tuple<BaseItem, List<BaseItem>>(i, new List<BaseItem>()));
+
+            var dtos = tuples.Select(i => _dtoService.GetItemByNameDto(i.Item1, dtoOptions, i.Item2, user));
+
+            result.Items = dtos.Where(i => i != null).ToArray();
+
+            return result;
+        }
+
+        /// <summary>
+        /// Gets a year.
+        /// </summary>
+        /// <param name="year">The year.</param>
+        /// <param name="userId">Optional. Filter by user id, and attach user data.</param>
+        /// <response code="200">Year returned.</response>
+        /// <response code="404">Year not found.</response>
+        /// <returns>
+        /// An <see cref="OkResult"/> containing the year,
+        /// or a <see cref="NotFoundResult"/> if year not found.
+        /// </returns>
+        [HttpGet("{year}")]
+        [ProducesResponseType(StatusCodes.Status200OK)]
+        [ProducesResponseType(StatusCodes.Status404NotFound)]
+        public ActionResult<BaseItemDto> GetYear([FromRoute, Required] int year, [FromQuery] Guid? userId)
+        {
+            var item = _libraryManager.GetYear(year);
+            if (item == null)
+            {
+                return NotFound();
+            }
+
+            var dtoOptions = new DtoOptions()
+                .AddClientFields(Request);
+
+            if (userId.HasValue && !userId.Equals(Guid.Empty))
+            {
+                var user = _userManager.GetUserById(userId.Value);
+                return _dtoService.GetBaseItemDto(item, dtoOptions, user);
+            }
+
+            return _dtoService.GetBaseItemDto(item, dtoOptions);
+        }
+
+        private bool FilterItem(BaseItem f, IReadOnlyCollection<string> excludeItemTypes, IReadOnlyCollection<string> includeItemTypes, IReadOnlyCollection<string> mediaTypes)
+        {
+            // Exclude item types
+            if (excludeItemTypes.Count > 0 && excludeItemTypes.Contains(f.GetType().Name, StringComparer.OrdinalIgnoreCase))
+            {
+                return false;
+            }
+
+            // Include item types
+            if (includeItemTypes.Count > 0 && !includeItemTypes.Contains(f.GetType().Name, StringComparer.OrdinalIgnoreCase))
+            {
+                return false;
+            }
+
+            // Include MediaTypes
+            if (mediaTypes.Count > 0 && !mediaTypes.Contains(f.MediaType ?? string.Empty, StringComparer.OrdinalIgnoreCase))
+            {
+                return false;
+            }
+
+            return true;
+        }
+
+        private IEnumerable<BaseItem> GetAllItems(IEnumerable<BaseItem> items)
+        {
+            return items
+                .Select(i => i.ProductionYear ?? 0)
+                .Where(i => i > 0)
+                .Distinct()
+                .Select(year => _libraryManager.GetYear(year));
+        }
+    }
+}