Handle SyncGetPresentationPods

bigbluebutton-html5/imports/api/presentation-pods/server/handlers/syncGetPresentationPods.js

+import { check } from 'meteor/check';
+import PresentationPods from '/imports/api/presentation-pods';
+import removePresentationPod from '../modifiers/removePresentationPod';
+import addPresentationPod from '../modifiers/addPresentationPod';
+
+export default function handleSyncGetPresentationPods({ body }, meetingId) {
+  check(body, Object);
+  check(meetingId, String);
+
+  const { pods } = body;
+  check(pods, Array);
+
+  const presentationPodIds = pods.map(pod => pod.id);
+
+  const presentationPodsToRemove = PresentationPods.find({
+    meetingId,
+    podId: { $nin: presentationPodIds },
+  }).fetch();
+
+  presentationPodsToRemove.forEach(p => removePresentationPod(meetingId, p.podId));
+
+  pods.forEach((pod) => {
+    // this message has unique names of 'podId' and 'currentPresenterId'
+    const {
+      id: podId,
+      currentPresenter: currentPresenterId,
+      presentations,
+    } = pod;
+    addPresentationPod(meetingId, { podId, currentPresenterId }, presentations);
+  });
+}

bigbluebutton-html5/imports/api/presentation-pods/server/modifiers/addPresentationPod.js

 import { Match, check } from 'meteor/check';
 import PresentationPods from '/imports/api/presentation-pods';
 import Logger from '/imports/startup/server/logger';
+import addPresentation from '/imports/api/presentations/server/modifiers/addPresentation';
 
-export default function addPresentationPod(meetingId, pod, presentation = null /* ?? */) {
+export default function addPresentationPod(meetingId, pod, presentations = undefined /* ?? */) {
   check(meetingId, String);
-  check(presentation, Match.Maybe(Object));
+  check(presentations, Match.Maybe(Array));
   check(pod, {
     currentPresenterId: String,
     podId: String,
@@ -28,6 +29,11 @@ export default function addPresentationPod(meetingId, pod, presentation = null /
       return Logger.error(`Adding presentation pod to the collection: ${err}`);
     }
 
+    // presentations object is currently passed together with Sync message
+    if (presentations) {
+      presentations.forEach(presentation => addPresentation(meetingId, podId, presentation));
+    }
+
     if (numChanged) {
       return Logger.info(`Added presentation pod id=${podId} meeting=${meetingId}`);
     }