133 lines
4.4 KiB
C#
133 lines
4.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using FireSharp.Interfaces;
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using FireSharp.Config;
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using FireSharp;
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using Newtonsoft.Json;
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using System.Configuration;
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using Herse.Models;
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namespace KaraokePlayer.Classes
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{
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public class FirebaseController
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{
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private IFirebaseConfig config = new FirebaseConfig
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{
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AuthSecret = ConfigurationManager.AppSettings["Firebase.Secret"],
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BasePath = ConfigurationManager.AppSettings["Firebase.Path"]
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};
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private PlayerState _state = PlayerState.Playing;
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private IFirebaseClient _client;
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private ControllerStateChangedEventHandler _stateChanged;
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private ControllerSongChangedEventHandler _songChanged;
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public Settings Settings { get; set; }
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private string SettingsPath
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{
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get { return string.Format("controllers/{0}/player/settings", this.Id); }
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}
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private string QueuePath
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{
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get { return string.Format("controllers/{0}/player/queue", this.Id); }
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}
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private string StatePath
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{
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get { return string.Format("controllers/{0}/player/state/", this.Id); }
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}
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private string CurrentSongPath
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{
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get { return string.Format("controllers/{0}/player/queue/0/", this.Id); }
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}
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public string Id { get; set; }
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public Song CurrentSong { get; set; }
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public FirebaseController(string clientId, ControllerStateChangedEventHandler stateChanged, ControllerSongChangedEventHandler songChanged)
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{
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Id = clientId;
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_stateChanged = stateChanged;
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_songChanged = songChanged;
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_client = new FirebaseClient(config);
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SetupListener();
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Settings = _client.Get(SettingsPath).ResultAs<Settings>();
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}
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private void SetupListener()
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{
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_client.OnAsync(CurrentSongPath,
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added: (s, args, obj) =>
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{
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Console.WriteLine("added " + args.Path + " " + args.Data);
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CurrentSongDidChange();
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},
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removed: (s, args, obj) =>
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{
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//TODO: the current song was removed from the queue
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}
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);
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_client.OnAsync(StatePath,
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added: (s, args, obj) =>
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{
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// do we need this? don't think so
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},
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changed: (s, args, obj) =>
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{
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Console.WriteLine("state changed " + args.Data);
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PlayerState newstate = (PlayerState)Enum.Parse(typeof(PlayerState), args.Data, true);
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StateDidChange(newstate);
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},
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removed: null
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);
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}
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/// <summary>
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/// called by the player to end the current song in firebase
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/// </summary>
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public void EndSong()
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{
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SetState(PlayerState.Stopped);
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List<QueueItem> queue = _client.Get(QueuePath).ResultAs<List<QueueItem>>();
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queue.RemoveAt(0);
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_client.Set(QueuePath, queue);
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}
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/// <summary>
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/// called by the player to set the state in firebase
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/// </summary>
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/// <param name="state"></param>
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public void SetState(PlayerState state)
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{
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_state = state;
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_client.SetAsync(StatePath, "Playing");
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}
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/// <summary>
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/// called by firebase to change the current song
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/// </summary>
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private void CurrentSongDidChange()
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{
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var response = _client.Get(CurrentSongPath);
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var item = response.ResultAs<QueueItem>();
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if (item == null) return;
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if (CurrentSong == null || CurrentSong.Path != item.Song.Path)
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{
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CurrentSong = item.Song;
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_songChanged(new ControllerSongChangedEventArgs(item.Song));
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}
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}
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/// <summary>
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/// called by firebase to change the current state
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/// </summary>
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/// <param name="newstate"></param>
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private void StateDidChange(PlayerState newstate)
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{
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if (newstate == _state) return;
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_state = newstate;
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_stateChanged(new ControllerStateChangedEventArgs(newstate));
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}
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}
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}
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