Increase performance when receiving messages (#5375)

webapp/actions/global_actions.jsx

@@ -47,16 +47,17 @@ export function emitChannelClickEvent(channel) {
     function switchToChannel(chan) {
         const channelMember = ChannelStore.getMyMember(chan.id);
         const getMyChannelMembersPromise = AsyncClient.getChannelMember(chan.id, UserStore.getCurrentId());
+        const oldChannelId = ChannelStore.getCurrentId();
 
         getMyChannelMembersPromise.then(() => {
             AsyncClient.getChannelStats(chan.id, true);
-            AsyncClient.viewChannel(chan.id, ChannelStore.getCurrentId());
+            AsyncClient.viewChannel(chan.id, oldChannelId);
             loadPosts(chan.id);
             trackPage();
         });
 
         // Mark previous and next channel as read
-        ChannelStore.resetCounts(ChannelStore.getCurrentId());
+        ChannelStore.resetCounts(oldChannelId);
         ChannelStore.resetCounts(chan.id);
 
         BrowserStore.setGlobalItem(chan.team_id, chan.id);
@@ -68,7 +69,7 @@ export function emitChannelClickEvent(channel) {
             team_id: chan.team_id,
             total_msg_count: chan.total_msg_count,
             channelMember,
-            prev: ChannelStore.getCurrentId()
+            prev: oldChannelId
         });
     }
 

webapp/actions/post_actions.jsx

@@ -5,7 +5,6 @@ import AppDispatcher from 'dispatcher/app_dispatcher.jsx';
 
 import ChannelStore from 'stores/channel_store.jsx';
 import PostStore from 'stores/post_store.jsx';
-import TeamStore from 'stores/team_store.jsx';
 import UserStore from 'stores/user_store.jsx';
 
 import {loadStatusesForChannel} from 'actions/status_actions.jsx';
@@ -18,30 +17,11 @@ const ActionTypes = Constants.ActionTypes;
 const Preferences = Constants.Preferences;
 
 export function handleNewPost(post, msg) {
-    const teamId = TeamStore.getCurrentId();
-
-    if (ChannelStore.getCurrentId() === post.channel_id) {
-        if (window.isActive) {
-            AsyncClient.viewChannel();
-        } else {
-            AsyncClient.getChannel(post.channel_id);
-        }
-    } else if (msg && (teamId === msg.data.team_id || msg.data.channel_type === Constants.DM_CHANNEL)) {
-        if (Client.teamId) {
-            AsyncClient.getChannel(post.channel_id);
-        }
-    }
-
     let websocketMessageProps = null;
     if (msg) {
         websocketMessageProps = msg.data;
     }
 
-    const myTeams = TeamStore.getMyTeamMembers();
-    if (msg.data.team_id !== teamId && myTeams.filter((m) => m.team_id === msg.data.team_id).length) {
-        AsyncClient.getMyTeamsUnread(teamId);
-    }
-
     if (post.root_id && PostStore.getPost(post.channel_id, post.root_id) == null) {
         Client.getPost(
             post.channel_id,

webapp/actions/team_actions.jsx

@@ -145,3 +145,8 @@ export function inviteMembers(data, success, error) {
         }
     );
 }
+
+export function switchTeams(url) {
+    AsyncClient.viewChannel();
+    browserHistory.push(url);
+}

webapp/actions/websocket_actions.jsx

@@ -137,10 +137,6 @@ function handleEvent(msg) {
         handleUserUpdatedEvent(msg);
         break;
 
-    case SocketEvents.CHANNEL_VIEWED:
-        handleChannelViewedEvent(msg);
-        break;
-
     case SocketEvents.CHANNEL_DELETED:
         handleChannelDeletedEvent(msg);
         break;
@@ -282,15 +278,6 @@ function handleUserUpdatedEvent(msg) {
     }
 }
 
-function handleChannelViewedEvent(msg) {
-    // Useful for when multiple devices have the app open to different channels
-    if (TeamStore.getCurrentId() === msg.broadcast.team_id &&
-            ChannelStore.getCurrentId() !== msg.data.channel_id &&
-            UserStore.getCurrentId() === msg.broadcast.user_id) {
-        AsyncClient.getChannel(msg.data.channel_id);
-    }
-}
-
 function handleChannelDeletedEvent(msg) {
     if (ChannelStore.getCurrentId() === msg.data.channel_id) {
         const teamUrl = TeamStore.getCurrentTeamRelativeUrl();