Merging performance branch into master (#4268)

* improve performance on sendNotifications

* Fix SQL queries

* Remove get direct profiles, not needed anymore

* Add raw data to error details if AppError fails to decode

* men

* Fix decode (#4052)

* Fixing json decode

* Adding unit test

* Initial work for client scaling (#4051)

* Begin adding paging to profiles API

* Added more paging functionality

* Finish hooking up admin console user lists

* Add API for searching users and add searching to all user lists

* Add lazy loading of profiles

* Revert config.json

* Fix unit tests and some style issues

* Add GetProfilesFromList to Go driver and fix web unit test

* Update etag for GetProfiles

* Updating ui for filters and pagination (#4044)

* Updating UI for pagination

* Adjusting margins for filter row

* Adjusting margin for specific modals

* Adding relative padding to system console

* Adjusting responsive view

* Update client user tests

* Minor fixes for direct messages modal (#4056)

* Remove some unneeded initial load calls (#4057)

* UX updates to user lists, added smart counts and bug fixes (#4059)

* Improved getExplicitMentions and unit tests (#4064)

* Refactor getting posts to lazy load profiles correctly (#4062)

* Comment out SetActiveChannel test (#4066)

* Profiler cpu, block, and memory profiler. (#4081)

* Fix TestSetActiveChannel unit test (#4071)

* Fixing build failure caused by dependancies updating (#4076)

* Adding profiler

* Fix admin_team_member_dropdown eslint errors

* Bumping session cache size (#4077)

* Bumping session cache size

* Bumping status cache

* Refactor how the client handles channel members to be large team friendly (#4106)

* Refactor how the client handles channel members to be large team friendly

* Change Id to ChannelId in ChannelStats model

* Updated getChannelMember and getProfilesByIds routes to match proposal

* Performance improvements (#4100)

* Performance improvements

* Fixing re-connect issue

* Fixing error message

* Some other minor perf tweaks

* Some other minor perf tweaks

* Fixing config file

* Fixing buffer size

* Fixing web socket send message

* adding some error logging

* fix getMe to be user required

* Fix websocket event for new user

* Fixing shutting down

* Reverting web socket changes

* Fixing logging lvl

* Adding caching to GetMember

* Adding some logging

* Fixing caching

* Fixing caching invalidate

* Fixing direct message caching

* Fixing caching

* Fixing caching

* Remove GetDirectProfiles from initial load

* Adding logging and fixing websocket client

* Adding back caching from bad merge.

* Explicitly close go driver requests (#4162)

* Refactored how the client handles team members to be more large team friendly (#4159)

* Refactor getProfilesForDirectMessageList API into getAllProfiles API

* Refactored how the client handles team members to be more large team friendly

* Fix js error when receiving a notification

* Fix JS error caused by current user being overwritten with sanitized version (#4165)

* Adding error message to status failure (#4167)

* Fix a few bugs caused by client scaling refactoring (#4170)

* When there is no read replica, don't open a second set of connections to the master database (#4173)

* Adding connection tacking to stats (#4174)

* Reduce DB writes for statuses and other status related changes (#4175)

* Fix bug preventing opening of DM channels from more modal (#4181)

* 	Fixing socket timing error (#4183)

* Fixing ping/pong handler

* Fixing socket timing error

* Commenting out status broadcasting

* Removing user status changes

* Removing user status changes

* Removing user status changes

* Removing user status changes

* Adding DoPreComputeJson()

* Performance improvements (#4194)

* * Fix System Console Analytics queries
* Add db.SetConnMaxLifetime to 15 minutes
* Add "net/http/pprof" for profiling
* Add FreeOSMemory() to manually release memory on reload config

* Add flag to enable http profiler

* Fix memory leak (#4197)

* Fix memory leak

* removed unneeded nil assignment

* Fixing go routine leak (#4208)

* Merge fixes

* Merge fix

* Refactored statuses to be queried by the client rather than broadcast by the server (#4212)

* Refactored server code to reduce status broadcasts and to allow getting statuses by IDs

* Refactor client code to periodically fetch statuses

* Add store unit test for getting statuses by ids

* Fix status unit test

* Add getStatusesByIds REST API and move the client over to use that instead of the WebSocket

* Adding multiple threads to websocket hub (#4230)

* Adding multiple threads to websocket hub

* Fixing unit tests

* Fixing so websocket connections from the same user end up in the same… (#4240)

* Fixing so websocket connections from the same user end up in the same list

* Removing old comment

* Refactor user autocomplete to query the server (#4239)

* Add API for autocompleting users

* Converted at mention autocomplete to query server

* Converted user search autocomplete to query server

* Switch autocomplete API naming to use term instead of username

* Split autocomplete API into two, one for channels and for teams

* Fix copy/paste error

* Some final client scaling fixes (#4246)

* Add lazy loading of profiles to integration pages

* Add lazy loading of profiles to emoji page

* Fix JS error when receiving post in select team menu and also clean up channel store

webapp/components/post_view/components/pending_post_options.jsx

@@ -4,11 +4,10 @@
 import PostStore from 'stores/post_store.jsx';
 import ChannelStore from 'stores/channel_store.jsx';
 
+import {loadPosts} from 'actions/post_actions.jsx';
+
 import AppDispatcher from 'dispatcher/app_dispatcher.jsx';
-
 import Client from 'client/web_client.jsx';
-import * as AsyncClient from 'utils/async_client.jsx';
-
 import Constants from 'utils/constants.jsx';
 const ActionTypes = Constants.ActionTypes;
 
@@ -29,13 +28,13 @@ export default class PendingPostOptions extends React.Component {
         var post = this.props.post;
         Client.createPost(post,
             (data) => {
-                AsyncClient.getPosts(post.channel_id);
+                loadPosts(post.channel_id);
 
                 var channel = ChannelStore.get(post.channel_id);
-                var member = ChannelStore.getMember(post.channel_id);
+                var member = ChannelStore.getMyMember(post.channel_id);
                 member.msg_count = channel.total_msg_count;
                 member.last_viewed_at = (new Date()).getTime();
-                ChannelStore.setChannelMember(member);
+                ChannelStore.storeMyChannelMember(member);
 
                 AppDispatcher.handleServerAction({
                     type: ActionTypes.RECEIVED_POST,

webapp/components/post_view/components/post_list.jsx

@@ -66,6 +66,16 @@ export default class PostList extends React.Component {
         }
     }
 
+    componentWillReceiveProps(nextProps) {
+        // TODO: Clean-up intro text creation
+        if (this.props.channel && this.props.channel.type === Constants.DM_CHANNEL) {
+            const teammateId = Utils.getUserIdFromChannelName(this.props.channel);
+            if (!this.props.profiles[teammateId] && nextProps.profiles[teammateId]) {
+                this.introText = createChannelIntroMessage(this.props.channel, this.state.fullWidthIntro);
+            }
+        }
+    }
+
     handleKeyDown(e) {
         if (e.which === Constants.KeyCodes.ESCAPE && $('.popover.in,.modal.in').length === 0) {
             e.preventDefault();

webapp/components/post_view/post_focus_view_controller.jsx

@@ -35,10 +35,7 @@ export default class PostFocusView extends React.Component {
         const focusedPostId = PostStore.getFocusedPostId();
 
         const channel = ChannelStore.getCurrent();
-        let profiles = UserStore.getProfiles();
-        if (channel && channel.type === Constants.DM_CHANNEL) {
-            profiles = Object.assign({}, profiles, UserStore.getDirectProfiles());
-        }
+        const profiles = UserStore.getProfiles();
 
         const joinLeaveEnabled = PreferenceStore.getBool(Constants.Preferences.CATEGORY_ADVANCED_SETTINGS, 'join_leave', true);
 
@@ -115,12 +112,7 @@ export default class PostFocusView extends React.Component {
     }
 
     onUserChange() {
-        const channel = ChannelStore.getCurrent();
-        let profiles = UserStore.getProfiles();
-        if (channel && channel.type === Constants.DM_CHANNEL) {
-            profiles = Object.assign({}, profiles, UserStore.getDirectProfiles());
-        }
-        this.setState({currentUser: UserStore.getCurrentUser(), profiles: JSON.parse(JSON.stringify(profiles))});
+        this.setState({currentUser: UserStore.getCurrentUser(), profiles: JSON.parse(JSON.stringify(UserStore.getProfiles()))});
     }
 
     onStatusChange() {

webapp/components/post_view/post_view_controller.jsx

@@ -34,13 +34,10 @@ export default class PostViewController extends React.Component {
         this.onBusy = this.onBusy.bind(this);
 
         const channel = props.channel;
-        let profiles = UserStore.getProfiles();
-        if (channel && channel.type === Constants.DM_CHANNEL) {
-            profiles = Object.assign({}, profiles, UserStore.getDirectProfiles());
-        }
+        const profiles = UserStore.getProfiles();
 
         let lastViewed = Number.MAX_VALUE;
-        const member = ChannelStore.getMember(channel.id);
+        const member = ChannelStore.getMyMember(channel.id);
         if (member != null) {
             lastViewed = member.last_viewed_at;
         }
@@ -107,12 +104,7 @@ export default class PostViewController extends React.Component {
     }
 
     onUserChange() {
-        const channel = this.state.channel;
-        let profiles = UserStore.getProfiles();
-        if (channel && channel.type === Constants.DM_CHANNEL) {
-            profiles = Object.assign({}, profiles, UserStore.getDirectProfiles());
-        }
-        this.setState({currentUser: UserStore.getCurrentUser(), profiles: JSON.parse(JSON.stringify(profiles))});
+        this.setState({currentUser: UserStore.getCurrentUser(), profiles: JSON.parse(JSON.stringify(UserStore.getProfiles()))});
     }
 
     onPostsChange() {
@@ -165,15 +157,12 @@ export default class PostViewController extends React.Component {
             const channel = nextProps.channel;
 
             let lastViewed = Number.MAX_VALUE;
-            const member = ChannelStore.getMember(channel.id);
+            const member = ChannelStore.getMyMember(channel.id);
             if (member != null) {
                 lastViewed = member.last_viewed_at;
             }
 
-            let profiles = UserStore.getProfiles();
-            if (channel && channel.type === Constants.DM_CHANNEL) {
-                profiles = Object.assign({}, profiles, UserStore.getDirectProfiles());
-            }
+            const profiles = UserStore.getProfiles();
 
             const joinLeaveEnabled = PreferenceStore.getBool(Constants.Preferences.CATEGORY_ADVANCED_SETTINGS, 'join_leave', true);