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jellyfin/MediaBrowser.Api/SessionsService.cs

341 lines
13 KiB

using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.Net;
using MediaBrowser.Model.Session;
using ServiceStack.ServiceHost;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Api
{
/// <summary>
/// Class GetSessions
/// </summary>
[Route("/Sessions", "GET")]
[Api(("Gets a list of sessions"))]
public class GetSessions : IReturn<List<SessionInfoDto>>
{
/// <summary>
/// Gets or sets a value indicating whether [supports remote control].
/// </summary>
/// <value><c>null</c> if [supports remote control] contains no value, <c>true</c> if [supports remote control]; otherwise, <c>false</c>.</value>
[ApiMember(Name = "SupportsRemoteControl", Description = "Optional. Filter by sessions that can be remote controlled.", IsRequired = false, DataType = "boolean", ParameterType = "query", Verb = "GET")]
public bool? SupportsRemoteControl { get; set; }
}
/// <summary>
/// Class BrowseTo
/// </summary>
[Route("/Sessions/{Id}/Viewing", "POST")]
[Api(("Instructs a session to browse to an item or view"))]
public class BrowseTo : IReturnVoid
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Session Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public Guid Id { get; set; }
/// <summary>
/// Artist, Genre, Studio, Person, or any kind of BaseItem
/// </summary>
/// <value>The type of the item.</value>
[ApiMember(Name = "ItemType", Description = "The type of item to browse to.", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
public string ItemType { get; set; }
/// <summary>
/// Artist name, genre name, item Id, etc
/// </summary>
/// <value>The item identifier.</value>
[ApiMember(Name = "ItemId", Description = "The Id of the item.", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
public string ItemId { get; set; }
/// <summary>
/// Gets or sets the name of the item.
/// </summary>
/// <value>The name of the item.</value>
[ApiMember(Name = "ItemName", Description = "The name of the item.", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
public string ItemName { get; set; }
/// <summary>
/// Gets or sets the context (Movies, Music, TvShows, etc)
/// Applicable to genres, studios and persons only because the context of items and artists can be inferred.
/// This is optional to supply and clients are free to ignore it.
/// </summary>
/// <value>The context.</value>
[ApiMember(Name = "Context", Description = "The ui context for the client (movies, music, tv, games etc). This is optional to supply and clients are free to ignore it.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "POST")]
public string Context { get; set; }
}
[Route("/Sessions/{Id}/Playing", "POST")]
[Api(("Instructs a session to play an item"))]
public class Play : IReturnVoid
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Session Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public Guid Id { get; set; }
/// <summary>
/// Artist, Genre, Studio, Person, or any kind of BaseItem
/// </summary>
/// <value>The type of the item.</value>
[ApiMember(Name = "ItemIds", Description = "The ids of the items to play, comma delimited", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST", AllowMultiple = true)]
public string ItemIds { get; set; }
/// <summary>
/// Gets or sets the start position ticks that the first item should be played at
/// </summary>
/// <value>The start position ticks.</value>
[ApiMember(Name = "StartPositionTicks", Description = "The starting position of the first item.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "POST")]
public long? StartPositionTicks { get; set; }
/// <summary>
/// Gets or sets the play command.
/// </summary>
/// <value>The play command.</value>
[ApiMember(Name = "PlayCommand", Description = "The type of play command to issue (PlayNow, PlayNext, PlayLast). Clients who have not yet implemented play next and play last may play now.", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
public PlayCommand PlayCommand { get; set; }
}
[Route("/Sessions/{Id}/Playing/{Command}", "POST")]
[Api(("Issues a playstate command to a client"))]
public class SendPlaystateCommand : IReturnVoid
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Session Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public Guid Id { get; set; }
/// <summary>
/// Gets or sets the position to seek to
/// </summary>
[ApiMember(Name = "SeekPositionTicks", Description = "The position to seek to.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "POST")]
public long? SeekPositionTicks { get; set; }
/// <summary>
/// Gets or sets the play command.
/// </summary>
/// <value>The play command.</value>
[ApiMember(Name = "Command", Description = "The command to send - stop, pause, unpause, nexttrack, previoustrack, seek.", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public PlaystateCommand Command { get; set; }
}
/// <summary>
/// Class SessionsService
/// </summary>
public class SessionsService : BaseApiService
{
/// <summary>
/// The _session manager
/// </summary>
private readonly ISessionManager _sessionManager;
/// <summary>
/// Initializes a new instance of the <see cref="SessionsService" /> class.
/// </summary>
/// <param name="sessionManager">The session manager.</param>
public SessionsService(ISessionManager sessionManager)
{
_sessionManager = sessionManager;
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetSessions request)
{
var result = _sessionManager.Sessions.Where(i => i.IsActive);
if (request.SupportsRemoteControl.HasValue)
{
result = result.Where(i => i.SupportsRemoteControl == request.SupportsRemoteControl.Value);
}
return ToOptimizedResult(result.Select(SessionInfoDtoBuilder.GetSessionInfoDto).ToList());
}
public void Post(SendPlaystateCommand request)
{
var task = SendPlaystateCommand(request);
Task.WaitAll(task);
}
private async Task SendPlaystateCommand(SendPlaystateCommand request)
{
var session = _sessionManager.Sessions.FirstOrDefault(i => i.Id == request.Id);
if (session == null)
{
throw new ResourceNotFoundException(string.Format("Session {0} not found.", request.Id));
}
if (!session.SupportsRemoteControl)
{
throw new ArgumentException(string.Format("Session {0} does not support remote control.", session.Id));
}
var socket = session.WebSockets.OrderByDescending(i => i.LastActivityDate).FirstOrDefault(i => i.State == WebSocketState.Open);
if (socket != null)
{
try
{
await socket.SendAsync(new WebSocketMessage<PlaystateRequest>
{
MessageType = "Playstate",
Data = new PlaystateRequest
{
Command = request.Command,
SeekPositionTicks = request.SeekPositionTicks
}
}, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
Logger.ErrorException("Error sending web socket message", ex);
}
}
else
{
throw new InvalidOperationException("The requested session does not have an open web socket.");
}
}
/// <summary>
/// Posts the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(BrowseTo request)
{
var task = BrowseTo(request);
Task.WaitAll(task);
}
/// <summary>
/// Browses to.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>Task.</returns>
/// <exception cref="ResourceNotFoundException"></exception>
/// <exception cref="System.ArgumentException"></exception>
/// <exception cref="System.InvalidOperationException">The requested session does not have an open web socket.</exception>
private async Task BrowseTo(BrowseTo request)
{
var session = _sessionManager.Sessions.FirstOrDefault(i => i.Id == request.Id);
if (session == null)
{
throw new ResourceNotFoundException(string.Format("Session {0} not found.", request.Id));
}
if (!session.SupportsRemoteControl)
{
throw new ArgumentException(string.Format("Session {0} does not support remote control.", session.Id));
}
var socket = session.WebSockets.OrderByDescending(i => i.LastActivityDate).FirstOrDefault(i => i.State == WebSocketState.Open);
if (socket != null)
{
try
{
await socket.SendAsync(new WebSocketMessage<BrowseTo>
{
MessageType = "Browse",
Data = request
}, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
Logger.ErrorException("Error sending web socket message", ex);
}
}
else
{
throw new InvalidOperationException("The requested session does not have an open web socket.");
}
}
/// <summary>
/// Posts the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(Play request)
{
var task = Play(request);
Task.WaitAll(task);
}
/// <summary>
/// Plays the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>Task.</returns>
/// <exception cref="ResourceNotFoundException"></exception>
/// <exception cref="System.ArgumentException"></exception>
/// <exception cref="System.InvalidOperationException">The requested session does not have an open web socket.</exception>
private async Task Play(Play request)
{
var session = _sessionManager.Sessions.FirstOrDefault(i => i.Id == request.Id);
if (session == null)
{
throw new ResourceNotFoundException(string.Format("Session {0} not found.", request.Id));
}
if (!session.SupportsRemoteControl)
{
throw new ArgumentException(string.Format("Session {0} does not support remote control.", session.Id));
}
var socket = session.WebSockets.OrderByDescending(i => i.LastActivityDate).FirstOrDefault(i => i.State == WebSocketState.Open);
if (socket != null)
{
try
{
await socket.SendAsync(new WebSocketMessage<PlayRequest>
{
MessageType = "Play",
Data = new PlayRequest
{
ItemIds = request.ItemIds.Split(',').ToArray(),
PlayCommand = request.PlayCommand,
StartPositionTicks = request.StartPositionTicks
}
}, CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
Logger.ErrorException("Error sending web socket message", ex);
}
}
else
{
throw new InvalidOperationException("The requested session does not have an open web socket.");
}
}
}
}