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