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| 1 | +'use strict' |
| 2 | + |
| 3 | +const Service = require('trails/service') |
| 4 | +const socketioJwt = require('socketio-jwt') |
| 5 | + |
| 6 | +/** |
| 7 | + * @module SocketService |
| 8 | + * @description socket service |
| 9 | + */ |
| 10 | +module.exports = class SocketService extends Service { |
| 11 | + |
| 12 | + constructor(app){ |
| 13 | + |
| 14 | + super(app) |
| 15 | + this.io = require('socket.io') |
| 16 | + } |
| 17 | + |
| 18 | + socketInit(http){ |
| 19 | + |
| 20 | + this.io = this.io(http) |
| 21 | + |
| 22 | + // On socket client connection |
| 23 | + this.io.sockets |
| 24 | + .on('connection', socketioJwt.authorize({ |
| 25 | + secret: 'jsbot', |
| 26 | + timeout: 15000, |
| 27 | + })) |
| 28 | + .on('authenticated', (socket)=> { |
| 29 | + |
| 30 | + // console.log(socket.id+' connected'); |
| 31 | + // console.log(socket.decoded_token) |
| 32 | + |
| 33 | + //HANDLERS |
| 34 | + /** |
| 35 | + * send all online friends list to all connected socket |
| 36 | + */ |
| 37 | + const getOnlineFriends = ()=> { |
| 38 | + |
| 39 | + let data = Object.keys(this.io.sockets.sockets) |
| 40 | + this.io.emit('allOnlineFriends', { data }) |
| 41 | + } |
| 42 | + /** |
| 43 | + * Send a message to particular socket |
| 44 | + * @param data |
| 45 | + */ |
| 46 | + const onMessageSubmit = (data)=> { |
| 47 | + this.io.to(data.id).emit('message', { user: socket.decoded_token, message: data.message }); |
| 48 | + } |
| 49 | + /** |
| 50 | + * Subscribe to join a room |
| 51 | + * @param room |
| 52 | + */ |
| 53 | + const onSubscribe = (room)=> { socket.join(room); } |
| 54 | + /** |
| 55 | + * Unsubscribe to leave a room |
| 56 | + * @param room |
| 57 | + */ |
| 58 | + const onUnSubscribe = (room)=> { socket.leave(room); } |
| 59 | + /** |
| 60 | + * Broadcast a message in room |
| 61 | + * @param data |
| 62 | + */ |
| 63 | + const onBroadcastToRoom = (data)=> { |
| 64 | + socket.to(data.room).emit('message', { user: socket.decoded_token, message: data.message }); |
| 65 | + } |
| 66 | + /** |
| 67 | + * Socket client disconnection |
| 68 | + */ |
| 69 | + const onDisconnect = ()=> { |
| 70 | + console.log(socket.id+' disconnected'); |
| 71 | + getOnlineFriends(); |
| 72 | + } |
| 73 | + |
| 74 | + //LISTENERS |
| 75 | + getOnlineFriends() |
| 76 | + socket.on('messageSubmit', onMessageSubmit) |
| 77 | + socket.on('subscribe', onSubscribe) |
| 78 | + socket.on('unsubscribe', onUnSubscribe) |
| 79 | + socket.on('broadcast', onBroadcastToRoom) |
| 80 | + socket.on('disconnect', onDisconnect) |
| 81 | + }); |
| 82 | + } |
| 83 | +} |
| 84 | + |
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