go-music-player/gmus-mobile/lib/controller.dart

import 'dart:convert';

import 'package:get/get.dart';

class Player {
  double currentTime = 0;
  double seekTime = -1;
  String master;
  int songId;
  bool playing = false;
  List<int> queue = [];
}

class Client {
  String name;
  int lastPing;

  Client(String name, int lastPing) {
    this.name = name;
    this.lastPing = lastPing;
  }
}

class Controller extends GetxController {
  var name = ''.obs;
  var uniqueName = ''.obs;

  Rx<Player> player = new Player().obs;
  RxList<Client> clients = [].obs;

  setName(String newName) {
    name.value = newName;
  }
  setUniqueName(String newUniqueName) {
    uniqueName.value = newUniqueName;
  }

  onRemoteMessage(String message) {
    var action = jsonDecode(message);
    switch (action['type']) {
      case 'CLIENT_LIST_UPDATED':
        print("Client list updated: ${action['payload']}");
        var payload = action['payload'];

        List<Client> clientList = [];
        for (var i = 0; i < payload.length; i++) {
          clientList.add(new Client(
            payload[i].name,
            payload[i].lastPing,
          ));
        }

        this.clients = clientList.obs;

        break;

      case 'STATE_SET':
        Player nextPlayer = new Player();

        nextPlayer.currentTime = action['payload']['currentTime'];
        nextPlayer.seekTime = action['payload']['seekTime'];
        nextPlayer.master = action['payload']['queue'];
        nextPlayer.songId = action['payload']['songId'];
        nextPlayer.playing = action['payload']['playing'];

        nextPlayer.queue = [];
        for (var i = 0; i < action['payload']['queue'].length; i++) {
          nextPlayer.queue.add(action['payload']['queue'][i]);
        }

        this.player.value = nextPlayer;

        break;
    }
  }
}