Add websocket event and cache invalidation for deleting channels (#2807)

webapp/action_creators/websocket_actions.jsx

@@ -18,6 +18,8 @@ import * as GlobalActions from 'action_creators/global_actions.jsx';
 import Constants from 'utils/constants.jsx';
 const SocketEvents = Constants.SocketEvents;
 
+import {browserHistory} from 'react-router';
+
 const MAX_WEBSOCKET_FAILS = 7;
 const WEBSOCKET_RETRY_TIME = 3000;
 
@@ -135,6 +137,10 @@ function handleMessage(msg) {
         handleChannelViewedEvent(msg);
         break;
 
+    case SocketEvents.CHANNEL_DELETED:
+        handleChannelDeletedEvent(msg);
+        break;
+
     case SocketEvents.PREFERENCE_CHANGED:
         handlePreferenceChangedEvent(msg);
         break;
@@ -234,6 +240,15 @@ function handleChannelViewedEvent(msg) {
     }
 }
 
+function handleChannelDeletedEvent(msg) {
+    if (ChannelStore.getCurrentId() === msg.channel_id) {
+        const teamUrl = TeamStore.getCurrentTeamRelativeUrl();
+        browserHistory.push(teamUrl + '/channels/' + Constants.DEFAULT_CHANNEL);
+    } else {
+        AsyncClient.getChannels();
+    }
+}
+
 function handlePreferenceChangedEvent(msg) {
     const preference = JSON.parse(msg.props.preference);
     GlobalActions.emitPreferenceChangedEvent(preference);

webapp/stores/team_store.jsx

@@ -20,19 +20,6 @@ function getWindowLocationOrigin() {
 class TeamStoreClass extends EventEmitter {
     constructor() {
         super();
-
-        this.emitChange = this.emitChange.bind(this);
-        this.addChangeListener = this.addChangeListener.bind(this);
-        this.removeChangeListener = this.removeChangeListener.bind(this);
-        this.get = this.get.bind(this);
-        this.getByName = this.getByName.bind(this);
-        this.getAll = this.getAll.bind(this);
-        this.getCurrentId = this.getCurrentId.bind(this);
-        this.getCurrent = this.getCurrent.bind(this);
-        this.getCurrentTeamUrl = this.getCurrentTeamUrl.bind(this);
-        this.getCurrentInviteLink = this.getCurrentInviteLink.bind(this);
-        this.saveTeam = this.saveTeam.bind(this);
-
         this.clear();
     }
 
@@ -104,6 +91,13 @@ class TeamStoreClass extends EventEmitter {
         return null;
     }
 
+    getCurrentTeamRelativeUrl() {
+        if (this.getCurrent()) {
+            return '/' + this.getCurrent().name;
+        }
+        return null;
+    }
+
     getCurrentInviteLink() {
         const current = this.getCurrent();
 

webapp/utils/constants.jsx

@@ -147,6 +147,7 @@ export default {
         POSTED: 'posted',
         POST_EDITED: 'post_edited',
         POST_DELETED: 'post_deleted',
+        CHANNEL_DELETED: 'channel_deleted',
         CHANNEL_VIEWED: 'channel_viewed',
         NEW_USER: 'new_user',
         USER_ADDED: 'user_added',