jellyfin/Jellyfin.Api/Controllers/PlaylistsController.cs
Bond_009 f50a250cd9 Optimize Guid comparisons
* Use Guid.Equals(Guid) instead of the == override
* Ban the usage of Guid.Equals(Object) to prevent accidental boxing
* Compare to default(Guid) instead of Guid.Empty
2022-02-21 14:15:09 +01:00

222 lines
9.5 KiB
C#

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Threading.Tasks;
using Jellyfin.Api.Attributes;
using Jellyfin.Api.Constants;
using Jellyfin.Api.Extensions;
using Jellyfin.Api.ModelBinders;
using Jellyfin.Api.Models.PlaylistDtos;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Playlists;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Playlists;
using MediaBrowser.Model.Querying;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.ModelBinding;
namespace Jellyfin.Api.Controllers
{
/// <summary>
/// Playlists controller.
/// </summary>
[Authorize(Policy = Policies.DefaultAuthorization)]
public class PlaylistsController : BaseJellyfinApiController
{
private readonly IPlaylistManager _playlistManager;
private readonly IDtoService _dtoService;
private readonly IUserManager _userManager;
private readonly ILibraryManager _libraryManager;
/// <summary>
/// Initializes a new instance of the <see cref="PlaylistsController"/> class.
/// </summary>
/// <param name="dtoService">Instance of the <see cref="IDtoService"/> interface.</param>
/// <param name="playlistManager">Instance of the <see cref="IPlaylistManager"/> interface.</param>
/// <param name="userManager">Instance of the <see cref="IUserManager"/> interface.</param>
/// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
public PlaylistsController(
IDtoService dtoService,
IPlaylistManager playlistManager,
IUserManager userManager,
ILibraryManager libraryManager)
{
_dtoService = dtoService;
_playlistManager = playlistManager;
_userManager = userManager;
_libraryManager = libraryManager;
}
/// <summary>
/// Creates a new playlist.
/// </summary>
/// <remarks>
/// For backwards compatibility parameters can be sent via Query or Body, with Query having higher precedence.
/// Query parameters are obsolete.
/// </remarks>
/// <param name="name">The playlist name.</param>
/// <param name="ids">The item ids.</param>
/// <param name="userId">The user id.</param>
/// <param name="mediaType">The media type.</param>
/// <param name="createPlaylistRequest">The create playlist payload.</param>
/// <returns>
/// A <see cref="Task" /> that represents the asynchronous operation to create a playlist.
/// The task result contains an <see cref="OkResult"/> indicating success.
/// </returns>
[HttpPost]
[ProducesResponseType(StatusCodes.Status200OK)]
public async Task<ActionResult<PlaylistCreationResult>> CreatePlaylist(
[FromQuery, ParameterObsolete] string? name,
[FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder)), ParameterObsolete] IReadOnlyList<Guid> ids,
[FromQuery, ParameterObsolete] Guid? userId,
[FromQuery, ParameterObsolete] string? mediaType,
[FromBody(EmptyBodyBehavior = EmptyBodyBehavior.Allow)] CreatePlaylistDto? createPlaylistRequest)
{
if (ids.Count == 0)
{
ids = createPlaylistRequest?.Ids ?? Array.Empty<Guid>();
}
var result = await _playlistManager.CreatePlaylist(new PlaylistCreationRequest
{
Name = name ?? createPlaylistRequest?.Name,
ItemIdList = ids,
UserId = userId ?? createPlaylistRequest?.UserId ?? default,
MediaType = mediaType ?? createPlaylistRequest?.MediaType
}).ConfigureAwait(false);
return result;
}
/// <summary>
/// Adds items to a playlist.
/// </summary>
/// <param name="playlistId">The playlist id.</param>
/// <param name="ids">Item id, comma delimited.</param>
/// <param name="userId">The userId.</param>
/// <response code="204">Items added to playlist.</response>
/// <returns>An <see cref="NoContentResult"/> on success.</returns>
[HttpPost("{playlistId}/Items")]
[ProducesResponseType(StatusCodes.Status204NoContent)]
public async Task<ActionResult> AddToPlaylist(
[FromRoute, Required] Guid playlistId,
[FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] Guid[] ids,
[FromQuery] Guid? userId)
{
await _playlistManager.AddToPlaylistAsync(playlistId, ids, userId ?? Guid.Empty).ConfigureAwait(false);
return NoContent();
}
/// <summary>
/// Moves a playlist item.
/// </summary>
/// <param name="playlistId">The playlist id.</param>
/// <param name="itemId">The item id.</param>
/// <param name="newIndex">The new index.</param>
/// <response code="204">Item moved to new index.</response>
/// <returns>An <see cref="NoContentResult"/> on success.</returns>
[HttpPost("{playlistId}/Items/{itemId}/Move/{newIndex}")]
[ProducesResponseType(StatusCodes.Status204NoContent)]
public async Task<ActionResult> MoveItem(
[FromRoute, Required] string playlistId,
[FromRoute, Required] string itemId,
[FromRoute, Required] int newIndex)
{
await _playlistManager.MoveItemAsync(playlistId, itemId, newIndex).ConfigureAwait(false);
return NoContent();
}
/// <summary>
/// Removes items from a playlist.
/// </summary>
/// <param name="playlistId">The playlist id.</param>
/// <param name="entryIds">The item ids, comma delimited.</param>
/// <response code="204">Items removed.</response>
/// <returns>An <see cref="NoContentResult"/> on success.</returns>
[HttpDelete("{playlistId}/Items")]
[ProducesResponseType(StatusCodes.Status204NoContent)]
public async Task<ActionResult> RemoveFromPlaylist(
[FromRoute, Required] string playlistId,
[FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] entryIds)
{
await _playlistManager.RemoveFromPlaylistAsync(playlistId, entryIds).ConfigureAwait(false);
return NoContent();
}
/// <summary>
/// Gets the original items of a playlist.
/// </summary>
/// <param name="playlistId">The playlist id.</param>
/// <param name="userId">User id.</param>
/// <param name="startIndex">Optional. The record index to start at. All items with a lower index will be dropped from the results.</param>
/// <param name="limit">Optional. The maximum number of records to return.</param>
/// <param name="fields">Optional. Specify additional fields of information to return in the output.</param>
/// <param name="enableImages">Optional. Include image information in output.</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>
/// <response code="200">Original playlist returned.</response>
/// <response code="404">Playlist not found.</response>
/// <returns>The original playlist items.</returns>
[HttpGet("{playlistId}/Items")]
public ActionResult<QueryResult<BaseItemDto>> GetPlaylistItems(
[FromRoute, Required] Guid playlistId,
[FromQuery, Required] Guid userId,
[FromQuery] int? startIndex,
[FromQuery] int? limit,
[FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
[FromQuery] bool? enableImages,
[FromQuery] bool? enableUserData,
[FromQuery] int? imageTypeLimit,
[FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes)
{
var playlist = (Playlist)_libraryManager.GetItemById(playlistId);
if (playlist == null)
{
return NotFound();
}
var user = userId.Equals(default)
? null
: _userManager.GetUserById(userId);
var items = playlist.GetManageableItems().ToArray();
var count = items.Length;
if (startIndex.HasValue)
{
items = items.Skip(startIndex.Value).ToArray();
}
if (limit.HasValue)
{
items = items.Take(limit.Value).ToArray();
}
var dtoOptions = new DtoOptions { Fields = fields }
.AddClientFields(Request)
.AddAdditionalDtoOptions(enableImages, enableUserData, imageTypeLimit, enableImageTypes);
var dtos = _dtoService.GetBaseItemDtos(items.Select(i => i.Item2).ToList(), dtoOptions, user);
for (int index = 0; index < dtos.Count; index++)
{
dtos[index].PlaylistItemId = items[index].Item1.Id;
}
var result = new QueryResult<BaseItemDto>(
startIndex,
count,
dtos);
return result;
}
}
}