[Glitch] Add confirmation modal when logging out from the web app

Port fd3d45d38f to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>

app/javascript/flavours/glitch/features/compose/components/header.js

@@ -53,8 +53,18 @@ class Header extends ImmutablePureComponent {
     showNotificationsBadge: PropTypes.bool,
     intl: PropTypes.object,
     onSettingsClick: PropTypes.func,
+    onLogout: PropTypes.func.isRequired,
   };
 
+  handleLogoutClick = e => {
+    e.preventDefault();
+    e.stopPropagation();
+
+    this.props.onLogout();
+
+    return false;
+  }
+
   render () {
     const { intl, columns, unreadNotifications, showNotificationsBadge, onSettingsClick } = this.props;
 
@@ -114,7 +124,7 @@ class Header extends ImmutablePureComponent {
         ><Icon icon='cogs' /></a>
         <a
           aria-label={intl.formatMessage(messages.logout)}
-          data-method='delete'
+          onClick={this.handleLogoutClick}
           href={ signOutLink }
           title={intl.formatMessage(messages.logout)}
         ><Icon icon='sign-out' /></a>

app/javascript/flavours/glitch/features/compose/containers/header_container.js

@@ -1,6 +1,13 @@
 import { openModal } from 'flavours/glitch/actions/modal';
 import { connect }   from 'react-redux';
+import { defineMessages, injectIntl } from 'react-intl';
 import Header from '../components/header';
+import { logOut } from 'flavours/glitch/util/log_out';
+
+const messages = defineMessages({
+  logoutMessage: { id: 'confirmations.logout.message', defaultMessage: 'Are you sure you want to log out?' },
+  logoutConfirm: { id: 'confirmations.logout.confirm', defaultMessage: 'Log out' },
+});
 
 const mapStateToProps = state => {
   return {
@@ -16,6 +23,13 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
     e.stopPropagation();
     dispatch(openModal('SETTINGS', {}));
   },
+  onLogout () {
+    dispatch(openModal('CONFIRM', {
+      message: intl.formatMessage(messages.logoutMessage),
+      confirm: intl.formatMessage(messages.logoutConfirm),
+      onConfirm: () => logOut(),
+    }));
+  },
 });
 
-export default connect(mapStateToProps, mapDispatchToProps)(Header);
+export default injectIntl(connect(mapStateToProps, mapDispatchToProps)(Header));