feat(lobby): Adds an option to approve multiple participants.

JitsiConference.js

 /**
  * Approves the request to join the conference to a participant waiting in the lobby.
  *
- * @param {string} id The participant id.
+ * @param {string|Array<string>} param The participant id or an array of ids.
  */
-JitsiConference.prototype.lobbyApproveAccess = function(id) {
+JitsiConference.prototype.lobbyApproveAccess = function(param) {
     if (this.room) {
-        this.room.getLobby().approveAccess(id);
+        this.room.getLobby().approveAccess(param);
     }
 };
 

modules/xmpp/Lobby.js

 
     /**
      * Should be possible only for moderators.
-     * @param id
+     * @param param or an array of ids.
      */
-    approveAccess(id) {
+    approveAccess(param) {
         if (!this.isSupported() || !this.mainRoom.isModerator()) {
             return;
         }
             mainRoomJid = this.mainRoom.getBreakoutRooms().getMainRoomJid();
         }
 
-        const memberRoomJid = Object.keys(this.lobbyRoom.members)
-            .find(j => Strophe.getResourceFromJid(j) === id);
+        const membersToApprove = [];
+        let ids = param;
+
+        if (!Array.isArray(param)) {
+            ids = [ param ];
+        }
+
+        ids.forEach(id => {
+            const memberRoomJid = Object.keys(this.lobbyRoom.members)
+                .find(j => Strophe.getResourceFromJid(j) === id);
 
-        if (memberRoomJid) {
-            const jid = this.lobbyRoom.members[memberRoomJid].jid;
+            if (memberRoomJid) {
+                membersToApprove.push(this.lobbyRoom.members[memberRoomJid].jid);
+            } else {
+                logger.error(`Not found member for ${memberRoomJid} in lobby room.`);
+            }
+        });
+
+        if (membersToApprove.length > 0) {
             const msgToSend
                 = $msg({ to: mainRoomJid })
-                    .c('x', { xmlns: 'http://jabber.org/protocol/muc#user' })
-                    .c('invite', { to: jid });
+                    .c('x', { xmlns: 'http://jabber.org/protocol/muc#user' });
+
+            membersToApprove.forEach(jid => {
+                msgToSend.c('invite', { to: jid }).up();
+            });
 
             this.xmpp.connection.sendIQ(msgToSend,
                 () => { }, // eslint-disable-line no-empty-function
                 e => {
-                    logger.error(`Error sending invite for ${jid}`, e);
+                    logger.error(`Error sending invite for ${membersToApprove}`, e);
                 });
-        } else {
-            logger.error(`Not found member for ${memberRoomJid} in lobby room.`);
         }
     }
 }