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Separate the actual processing of the sync response from the loop doing the requests.
This commit is contained in:
David Baker
239
lib/sync.js
239
lib/sync.js
@@ -426,122 +426,7 @@ SyncApi.prototype._sync = function(syncOptions, attempt) {
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// - The isBrandNewRoom boilerplate is boilerplatey.
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try {
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// handle presence events (User objects)
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if (data.presence && utils.isArray(data.presence.events)) {
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data.presence.events.map(client.getEventMapper()).forEach(
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function(presenceEvent) {
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var user = client.store.getUser(presenceEvent.getSender());
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if (user) {
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user.setPresenceEvent(presenceEvent);
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}
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else {
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user = createNewUser(client, presenceEvent.getSender());
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user.setPresenceEvent(presenceEvent);
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client.store.storeUser(user);
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}
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client.emit("event", presenceEvent);
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});
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}
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// the returned json structure is abit crap, so make it into a
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// nicer form (array) after applying sanity to make sure we don't fail
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// on missing keys (on the off chance)
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var inviteRooms = [];
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var joinRooms = [];
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var leaveRooms = [];
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if (data.rooms) {
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if (data.rooms.invite) {
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inviteRooms = self._mapSyncResponseToRoomArray(data.rooms.invite);
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}
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if (data.rooms.join) {
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joinRooms = self._mapSyncResponseToRoomArray(data.rooms.join);
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}
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if (data.rooms.leave) {
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leaveRooms = self._mapSyncResponseToRoomArray(data.rooms.leave);
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}
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}
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// Handle invites
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inviteRooms.forEach(function(inviteObj) {
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var room = inviteObj.room;
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var stateEvents =
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self._mapSyncEventsFormat(inviteObj.invite_state, room);
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self._processRoomEvents(room, stateEvents);
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if (inviteObj.isBrandNewRoom) {
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room.recalculate(client.credentials.userId);
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client.store.storeRoom(room);
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client.emit("Room", room);
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}
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stateEvents.forEach(function(e) { client.emit("event", e); });
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});
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// Handle joins
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joinRooms.forEach(function(joinObj) {
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var room = joinObj.room;
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var stateEvents = self._mapSyncEventsFormat(joinObj.state, room);
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var timelineEvents = self._mapSyncEventsFormat(joinObj.timeline, room);
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var ephemeralEvents = self._mapSyncEventsFormat(joinObj.ephemeral);
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var accountDataEvents = self._mapSyncEventsFormat(joinObj.account_data);
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// we do this first so it's correct when any of the events fire
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if (joinObj.unread_notifications) {
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room.setUnreadNotificationCount(
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'total', joinObj.unread_notifications.notification_count
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);
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room.setUnreadNotificationCount(
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'highlight', joinObj.unread_notifications.highlight_count
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);
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}
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joinObj.timeline = joinObj.timeline || {};
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if (joinObj.timeline.limited) {
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// nuke the timeline so we don't get holes
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self._deregisterStateListeners(room);
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room.resetLiveTimeline();
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self._registerStateListeners(room);
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}
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// we want to set a new pagination token if this is the first time
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// we've made this room or if we're nuking the timeline
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var paginationToken = null;
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if (joinObj.isBrandNewRoom || joinObj.timeline.limited) {
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paginationToken = joinObj.timeline.prev_batch;
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}
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self._processRoomEvents(
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room, stateEvents, timelineEvents, paginationToken
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);
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// XXX: should we be adding ephemeralEvents to the timeline?
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// It feels like that for symmetry with room.addAccountData()
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// there should be a room.addEphemeralEvents() or similar.
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room.addEvents(ephemeralEvents);
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// we deliberately don't add accountData to the timeline
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room.addAccountData(accountDataEvents);
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room.recalculate(client.credentials.userId);
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if (joinObj.isBrandNewRoom) {
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client.store.storeRoom(room);
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client.emit("Room", room);
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}
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stateEvents.forEach(function(e) { client.emit("event", e); });
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timelineEvents.forEach(function(e) { client.emit("event", e); });
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ephemeralEvents.forEach(function(e) { client.emit("event", e); });
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accountDataEvents.forEach(function(e) { client.emit("event", e); });
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});
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// Handle leaves
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leaveRooms.forEach(function(leaveObj) {
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// Do the bear minimum to register rejected invites / you leaving rooms
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var room = leaveObj.room;
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var timelineEvents =
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self._mapSyncEventsFormat(leaveObj.timeline, room);
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room.addEvents(timelineEvents);
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timelineEvents.forEach(function(e) { client.emit("event", e); });
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});
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self._processSyncResponse(data);
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}
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catch (e) {
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console.error("Caught /sync error:");
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@@ -590,6 +475,128 @@ SyncApi.prototype._sync = function(syncOptions, attempt) {
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});
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};
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SyncApi.prototype._processSyncResponse = function(data) {
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var client = this.client;
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var self = this;
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// handle presence events (User objects)
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if (data.presence && utils.isArray(data.presence.events)) {
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data.presence.events.map(client.getEventMapper()).forEach(
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function(presenceEvent) {
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var user = client.store.getUser(presenceEvent.getSender());
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if (user) {
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user.setPresenceEvent(presenceEvent);
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}
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else {
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user = createNewUser(client, presenceEvent.getSender());
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user.setPresenceEvent(presenceEvent);
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client.store.storeUser(user);
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}
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client.emit("event", presenceEvent);
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});
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}
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// the returned json structure is abit crap, so make it into a
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// nicer form (array) after applying sanity to make sure we don't fail
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// on missing keys (on the off chance)
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var inviteRooms = [];
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var joinRooms = [];
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var leaveRooms = [];
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if (data.rooms) {
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if (data.rooms.invite) {
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inviteRooms = this._mapSyncResponseToRoomArray(data.rooms.invite);
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}
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if (data.rooms.join) {
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joinRooms = this._mapSyncResponseToRoomArray(data.rooms.join);
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}
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if (data.rooms.leave) {
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leaveRooms = this._mapSyncResponseToRoomArray(data.rooms.leave);
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}
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}
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// Handle invites
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inviteRooms.forEach(function(inviteObj) {
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var room = inviteObj.room;
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var stateEvents =
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self._mapSyncEventsFormat(inviteObj.invite_state, room);
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self._processRoomEvents(room, stateEvents);
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if (inviteObj.isBrandNewRoom) {
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room.recalculate(client.credentials.userId);
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client.store.storeRoom(room);
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client.emit("Room", room);
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}
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stateEvents.forEach(function(e) { client.emit("event", e); });
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});
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// Handle joins
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joinRooms.forEach(function(joinObj) {
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var room = joinObj.room;
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var stateEvents = self._mapSyncEventsFormat(joinObj.state, room);
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var timelineEvents = self._mapSyncEventsFormat(joinObj.timeline, room);
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var ephemeralEvents = self._mapSyncEventsFormat(joinObj.ephemeral);
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var accountDataEvents = self._mapSyncEventsFormat(joinObj.account_data);
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// we do this first so it's correct when any of the events fire
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if (joinObj.unread_notifications) {
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room.setUnreadNotificationCount(
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'total', joinObj.unread_notifications.notification_count
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);
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room.setUnreadNotificationCount(
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'highlight', joinObj.unread_notifications.highlight_count
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);
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}
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joinObj.timeline = joinObj.timeline || {};
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if (joinObj.timeline.limited) {
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// nuke the timeline so we don't get holes
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self._deregisterStateListeners(room);
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room.resetLiveTimeline();
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self._registerStateListeners(room);
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}
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// we want to set a new pagination token if this is the first time
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// we've made this room or if we're nuking the timeline
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var paginationToken = null;
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if (joinObj.isBrandNewRoom || joinObj.timeline.limited) {
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paginationToken = joinObj.timeline.prev_batch;
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}
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self._processRoomEvents(
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room, stateEvents, timelineEvents, paginationToken
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);
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// XXX: should we be adding ephemeralEvents to the timeline?
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// It feels like that for symmetry with room.addAccountData()
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// there should be a room.addEphemeralEvents() or similar.
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room.addEvents(ephemeralEvents);
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// we deliberately don't add accountData to the timeline
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room.addAccountData(accountDataEvents);
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room.recalculate(client.credentials.userId);
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if (joinObj.isBrandNewRoom) {
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client.store.storeRoom(room);
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client.emit("Room", room);
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}
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stateEvents.forEach(function(e) { client.emit("event", e); });
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timelineEvents.forEach(function(e) { client.emit("event", e); });
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ephemeralEvents.forEach(function(e) { client.emit("event", e); });
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accountDataEvents.forEach(function(e) { client.emit("event", e); });
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});
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// Handle leaves
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leaveRooms.forEach(function(leaveObj) {
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// Do the bear minimum to register rejected invites / you leaving rooms
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var room = leaveObj.room;
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var timelineEvents =
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self._mapSyncEventsFormat(leaveObj.timeline, room);
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room.addEvents(timelineEvents);
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timelineEvents.forEach(function(e) { client.emit("event", e); });
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});
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};
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/**
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* @return {Promise}
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*/
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