Move instances of Client.updateChannel() in components to an action (#4643)

* Move instances of Client.updateChannel() in components to an action

* update per code review

webapp/actions/channel_actions.jsx

@@ -210,6 +210,24 @@ export function joinChannel(channel, success, error) {
     );
 }
 
+export function updateChannel(channel, success, error) {
+    Client.updateChannel(
+        channel,
+        () => {
+            AsyncClient.getChannel(channel.id);
+
+            if (success) {
+                success();
+            }
+        },
+        (err) => {
+            if (error) {
+                error(err);
+            }
+        }
+    );
+}
+
 export function searchMoreChannels(term, success, error) {
     Client.searchMoreChannels(
         term,

webapp/components/rename_channel_modal.jsx

@@ -3,11 +3,10 @@
 
 import ReactDOM from 'react-dom';
 import * as Utils from 'utils/utils.jsx';
-import Client from 'client/web_client.jsx';
-import * as AsyncClient from 'utils/async_client.jsx';
 import Constants from 'utils/constants.jsx';
 
 import {intlShape, injectIntl, defineMessages, FormattedMessage} from 'react-intl';
+import {updateChannel} from 'actions/channel_actions.jsx';
 
 import {Modal} from 'react-bootstrap';
 
@@ -161,10 +160,8 @@ export class RenameChannelModal extends React.Component {
             return;
         }
 
-        Client.updateChannel(
+        updateChannel(channel,
-            channel,
             () => {
-                AsyncClient.getChannel(channel.id);
                 this.handleHide();
             },
             (err) => {