71 lines
2.2 KiB
JavaScript
71 lines
2.2 KiB
JavaScript
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"use strict";
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var q = require("q");
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var Matrix = require("matrix-js-sdk");
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var Room = Matrix.Room;
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var USER_PREFIX = "fs_";
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var DOMAIN = "matrix.org";
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function ConferenceHandler(matrixClient, groupChatRoomId) {
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this.client = matrixClient;
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this.groupRoomId = groupChatRoomId;
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// abuse browserify's core node Buffer support (strip padding ='s)
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this.base64RoomId = new Buffer(this.groupRoomId).toString("base64").replace(/=/g, "");
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this.confUserId = "@" + USER_PREFIX + this.base64RoomId + ":" + DOMAIN;
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}
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ConferenceHandler.prototype.setup = function() {
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var self = this;
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return this._joinConferenceUser().then(function() {
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return self._getConferenceUserRoom();
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}).then(function(room) {
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// return a call for *this* room to be placed.
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return Matrix.createNewMatrixCall(self.client, room.roomId);
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});
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};
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ConferenceHandler.prototype._joinConferenceUser = function() {
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// Make sure the conference user is in the group chat room
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var groupRoom = this.client.getRoom(this.groupRoomId);
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if (!groupRoom) {
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return q.reject("Bad group room ID");
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}
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var members = groupRoom.getJoinedMembers();
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var confUserExists = false;
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for (var i = 0; i < members.length; i++) {
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if (members[i].userId === this.confUserId) {
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confUserExists = true;
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break;
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}
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}
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if (confUserExists) {
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return q();
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}
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return this.client.invite(this.groupRoomId, this.confUserId);
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};
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ConferenceHandler.prototype._getConferenceUserRoom = function() {
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// Use an existing 1:1 with the conference user; else make one
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var rooms = this.client.getRooms();
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var confRoom = null;
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for (var i = 0; i < rooms.length; i++) {
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if (rooms[i].hasMembershipState(this.confUserId, "join") &&
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rooms[i].getJoinedMembers().length === 2) {
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confRoom = rooms[i];
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break;
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}
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}
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if (confRoom) {
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return q(confRoom);
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}
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return this.client.createRoom({
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preset: "private_chat",
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invite: [this.confUserId]
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}).then(function(res) {
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return new Room(res.room_id);
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});
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};
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module.exports = ConferenceHandler;
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