Add confirm dialog before leaving private channel (#6206)

webapp/components/channel_header.jsx

@@ -14,6 +14,7 @@ import ChannelMembersModal from './channel_members_modal.jsx';
 import ChannelNotificationsModal from './channel_notifications_modal.jsx';
 import DeleteChannelModal from './delete_channel_modal.jsx';
 import RenameChannelModal from './rename_channel_modal.jsx';
+import ConfirmModal from './confirm_modal.jsx';
 import ToggleModalButton from './toggle_modal_button.jsx';
 
 import ChannelStore from 'stores/channel_store.jsx';
@@ -57,6 +58,8 @@ export default class ChannelHeader extends React.Component {
         this.initWebrtc = this.initWebrtc.bind(this);
         this.onBusy = this.onBusy.bind(this);
         this.openDirectMessageModal = this.openDirectMessageModal.bind(this);
+        this.createLeaveChannelModal = this.createLeaveChannelModal.bind(this);
+        this.hideLeaveChannelModal = this.hideLeaveChannelModal.bind(this);
 
         const state = this.getStateFromStores();
         state.showEditChannelPurposeModal = false;
@@ -84,7 +87,8 @@ export default class ChannelHeader extends React.Component {
             otherUserId,
             enableFormatting: PreferenceStore.getBool(Preferences.CATEGORY_ADVANCED_SETTINGS, 'formatting', true),
             isBusy: WebrtcStore.isBusy(),
-            isFavorite: channel && ChannelUtils.isFavoriteChannel(channel)
+            isFavorite: channel && ChannelUtils.isFavoriteChannel(channel),
+            showLeaveChannelModal: false
         };
     }
 
@@ -135,7 +139,13 @@ export default class ChannelHeader extends React.Component {
     }
 
     handleLeave() {
-        ChannelActions.leaveChannel(this.state.channel.id);
+        if (this.state.channel.type === Constants.PRIVATE_CHANNEL) {
+            this.setState({
+                showLeaveChannelModal: true
+            });
+        } else {
+            ChannelActions.leaveChannel(this.state.channel.id);
+        }
     }
 
     toggleFavorite = (e) => {
@@ -219,6 +229,54 @@ export default class ChannelHeader extends React.Component {
         });
     }
 
+    hideLeaveChannelModal() {
+        this.setState({
+            showLeaveChannelModal: false
+        });
+    }
+
+    createLeaveChannelModal() {
+        const title = (
+            <FormattedMessage
+                id='leave_private_channel_modal.title'
+                defaultMessage='Leave Private Channel {channel}'
+                values={{
+                    channel: <b>{this.state.channel.display_name}</b>
+                }}
+            />
+        );
+
+        const message = (
+            <FormattedMessage
+                id='leave_private_channel_modal.message'
+                defaultMessage='Are you sure you wish to leave the private channel {channel}? You must be re-invited in order to re-join this channel in the future.'
+                values={{
+                    channel: <b>{this.state.channel.display_name}</b>
+                }}
+            />
+        );
+
+        const buttonClass = 'btn btn-danger';
+        const button = (
+            <FormattedMessage
+                id='leave_private_channel_modal.leave'
+                defaultMessage='Yes, leave channel'
+            />
+        );
+
+        return (
+            <ConfirmModal
+                show={this.state.showLeaveChannelModal}
+                title={title}
+                message={message}
+                confirmButtonClass={buttonClass}
+                confirmButton={button}
+                onConfirm={() => ChannelActions.leaveChannel(this.state.channel.id)}
+                onCancel={this.hideLeaveChannelModal}
+            />
+        );
+    }
+
     render() {
         const flagIcon = Constants.FLAG_ICON_SVG;
         const pinIcon = Constants.PIN_ICON;
@@ -764,6 +822,8 @@ export default class ChannelHeader extends React.Component {
             );
         }
 
+        const leaveChannelModal = this.createLeaveChannelModal();
+
         return (
             <div
                 id='channel-header'
@@ -876,6 +936,7 @@ export default class ChannelHeader extends React.Component {
                 </table>
                 {editPurposeModal}
                 {channelMembersModal}
+                {leaveChannelModal}
                 <RenameChannelModal
                     show={this.state.showRenameChannelModal}
                     onHide={this.hideRenameChannelModal}