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

1 files changed, 239 insertions, 5 deletions

diff --git a/webapp/actions/user_actions.jsx b/webapp/actions/user_actions.jsx
index 2d5fd805c..900353701 100644
--- a/webapp/actions/user_actions.jsx
+++ b/webapp/actions/user_actions.jsx
@@ -2,12 +2,17 @@
 // See License.txt for license information.
 
 import AppDispatcher from 'dispatcher/app_dispatcher.jsx';
-import * as AsyncClient from 'utils/async_client.jsx';
-import Client from 'client/web_client.jsx';
 
 import PreferenceStore from 'stores/preference_store.jsx';
 import TeamStore from 'stores/team_store.jsx';
 import UserStore from 'stores/user_store.jsx';
+import ChannelStore from 'stores/channel_store.jsx';
+
+import {loadStatusesForProfilesList, loadStatusesForProfilesMap} from 'actions/status_actions.jsx';
+
+import {getDirectChannelName} from 'utils/utils.jsx';
+import * as AsyncClient from 'utils/async_client.jsx';
+import Client from 'client/web_client.jsx';
 
 import {ActionTypes, Preferences} from 'utils/constants.jsx';
 
@@ -29,9 +34,179 @@ export function switchFromLdapToEmail(email, password, ldapPassword, onSuccess,
     );
 }
 
-export function getMoreDmList() {
-    AsyncClient.getTeamMembers(TeamStore.getCurrentId());
-    AsyncClient.getProfilesForDirectMessageList();
+export function loadProfilesAndTeamMembers(offset, limit, teamId = TeamStore.getCurrentId(), success, error) {
+    Client.getProfilesInTeam(
+        teamId,
+        offset,
+        limit,
+        (data) => {
+            AppDispatcher.handleServerAction({
+                type: ActionTypes.RECEIVED_PROFILES_IN_TEAM,
+                profiles: data,
+                team_id: teamId,
+                offset,
+                count: Object.keys(data).length
+            });
+
+            loadTeamMembersForProfilesMap(data, teamId, success, error);
+            loadStatusesForProfilesMap(data);
+        },
+        (err) => {
+            AsyncClient.dispatchError(err, 'getProfilesInTeam');
+        }
+    );
+}
+
+export function loadTeamMembersForProfilesMap(profiles, teamId = TeamStore.getCurrentId(), success, error) {
+    const membersToLoad = {};
+    for (const pid in profiles) {
+        if (!profiles.hasOwnProperty(pid)) {
+            continue;
+        }
+
+        if (!TeamStore.hasActiveMemberInTeam(teamId, pid)) {
+            membersToLoad[pid] = true;
+        }
+    }
+
+    const list = Object.keys(membersToLoad);
+    if (list.length === 0) {
+        if (success) {
+            success({});
+        }
+        return;
+    }
+
+    loadTeamMembersForProfiles(list, teamId, success, error);
+}
+
+export function loadTeamMembersForProfilesList(profiles, teamId = TeamStore.getCurrentId(), success, error) {
+    const membersToLoad = {};
+    for (let i = 0; i < profiles.length; i++) {
+        const pid = profiles[i].id;
+
+        if (!TeamStore.hasActiveMemberInTeam(teamId, pid)) {
+            membersToLoad[pid] = true;
+        }
+    }
+
+    const list = Object.keys(membersToLoad);
+    if (list.length === 0) {
+        if (success) {
+            success({});
+        }
+        return;
+    }
+
+    loadTeamMembersForProfiles(list, teamId, success, error);
+}
+
+function loadTeamMembersForProfiles(userIds, teamId, success, error) {
+    Client.getTeamMembersByIds(
+        teamId,
+        userIds,
+        (data) => {
+            const memberMap = {};
+            for (let i = 0; i < data.length; i++) {
+                memberMap[data[i].user_id] = data[i];
+            }
+
+            AppDispatcher.handleServerAction({
+                type: ActionTypes.RECEIVED_MEMBERS_IN_TEAM,
+                team_id: teamId,
+                team_members: memberMap
+            });
+
+            if (success) {
+                success(data);
+            }
+        },
+        (err) => {
+            AsyncClient.dispatchError(err, 'getTeamMembersByIds');
+
+            if (error) {
+                error(err);
+            }
+        }
+    );
+}
+
+function populateDMChannelsWithProfiles(userIds) {
+    const currentUserId = UserStore.getCurrentId();
+
+    for (let i = 0; i < userIds.length; i++) {
+        const channelName = getDirectChannelName(currentUserId, userIds[i]);
+        const channel = ChannelStore.getByName(channelName);
+        if (channel) {
+            UserStore.saveUserIdInChannel(channel.id, userIds[i]);
+        }
+    }
+}
+
+export function loadProfilesAndTeamMembersForDMSidebar() {
+    const dmPrefs = PreferenceStore.getCategory(Preferences.CATEGORY_DIRECT_CHANNEL_SHOW);
+    const teamId = TeamStore.getCurrentId();
+    const profilesToLoad = [];
+    const membersToLoad = [];
+
+    for (const [key, value] of dmPrefs) {
+        if (value === 'true') {
+            if (!UserStore.hasProfile(key)) {
+                profilesToLoad.push(key);
+            }
+            membersToLoad.push(key);
+        }
+    }
+
+    if (profilesToLoad.length > 0) {
+        Client.getProfilesByIds(
+            profilesToLoad,
+            (data) => {
+                AppDispatcher.handleServerAction({
+                    type: ActionTypes.RECEIVED_PROFILES,
+                    profiles: data
+                });
+
+                // Use membersToLoad so we get all the DM profiles even if they were already loaded
+                populateDMChannelsWithProfiles(membersToLoad);
+            },
+            (err) => {
+                AsyncClient.dispatchError(err, 'getProfilesByIds');
+            }
+        );
+    } else {
+        populateDMChannelsWithProfiles(membersToLoad);
+    }
+
+    if (membersToLoad.length > 0) {
+        Client.getTeamMembersByIds(
+            teamId,
+            membersToLoad,
+            (data) => {
+                const memberMap = {};
+                for (let i = 0; i < data.length; i++) {
+                    memberMap[data[i].user_id] = data[i];
+                }
+
+                const nonMembersMap = {};
+                for (let i = 0; i < membersToLoad.length; i++) {
+                    if (!memberMap[membersToLoad[i]]) {
+                        nonMembersMap[membersToLoad[i]] = true;
+                    }
+                }
+
+                AppDispatcher.handleServerAction({
+                    type: ActionTypes.RECEIVED_MEMBERS_IN_TEAM,
+                    team_id: teamId,
+                    team_members: memberMap,
+                    non_team_members: nonMembersMap
+                });
+            },
+            (err) => {
+                AsyncClient.dispatchError(err, 'getTeamMembersByIds');
+            }
+        );
+    }
 }
 
 export function saveTheme(teamId, theme, onSuccess, onError) {
@@ -82,3 +257,62 @@ function onThemeSaved(teamId, theme, onSuccess) {
 
     onSuccess();
 }
+
+export function searchUsers(term, teamId = TeamStore.getCurrentId(), options = {}, success, error) {
+    Client.searchUsers(
+        term,
+        teamId,
+        options,
+        (data) => {
+            loadStatusesForProfilesList(data);
+
+            if (success) {
+                success(data);
+            }
+        },
+        (err) => {
+            AsyncClient.dispatchError(err, 'searchUsers');
+
+            if (error) {
+                error(err);
+            }
+        }
+    );
+}
+
+export function autocompleteUsersInChannel(username, channelId, success, error) {
+    Client.autocompleteUsersInChannel(
+        username,
+        channelId,
+        (data) => {
+            if (success) {
+                success(data);
+            }
+        },
+        (err) => {
+            AsyncClient.dispatchError(err, 'autocompleteUsersInChannel');
+
+            if (error) {
+                error(err);
+            }
+        }
+    );
+}
+
+export function autocompleteUsersInTeam(username, success, error) {
+    Client.autocompleteUsersInTeam(
+        username,
+        (data) => {
+            if (success) {
+                success(data);
+            }
+        },
+        (err) => {
+            AsyncClient.dispatchError(err, 'autocompleteUsersInTeam');
+
+            if (error) {
+                error(err);
+            }
+        }
+    );
+}