Adding notifications column

app/assets/javascripts/components/features/notifications/index.jsx

@@ -0,0 +1,61 @@
+import { connect } from 'react-redux';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import Column from '../ui/components/column';
+import {
+  refreshNotifications,
+  expandNotifications
+} from '../../actions/notifications';
+import NotificationContainer from './containers/notification_container';
+import { ScrollContainer } from 'react-router-scroll';
+import { defineMessages, injectIntl } from 'react-intl';
+
+const messages = defineMessages({
+  title: { id: 'column.notifications', defaultMessage: 'Notifications' }
+});
+
+const mapStateToProps = state => ({
+  notifications: state.getIn(['notifications', 'items'])
+});
+
+const Notifications = React.createClass({
+
+  propTypes: {
+    notifications: ImmutablePropTypes.list.isRequired,
+    dispatch: React.PropTypes.func.isRequired
+  },
+
+  mixins: [PureRenderMixin],
+
+  componentWillMount () {
+    const { dispatch } = this.props;
+    dispatch(refreshNotifications());
+  },
+
+  handleScroll (e) {
+    const { scrollTop, scrollHeight, clientHeight } = e.target;
+
+    if (scrollTop === scrollHeight - clientHeight) {
+      this.props.dispatch(expandNotifications());
+    }
+  },
+
+  render () {
+    const { intl, notifications } = this.props;
+
+    return (
+      <Column icon='bell' heading={intl.formatMessage(messages.title)}>
+        <ScrollContainer scrollKey='notifications'>
+          <div className='scrollable' onScroll={this.handleScroll}>
+            <div>
+              {notifications.map(item => <NotificationContainer key={item.get('id')} notification={item} accountId={item.get('account')} />)}
+            </div>
+          </div>
+        </ScrollContainer>
+      </Column>
+    );
+  }
+
+});
+
+export default connect(mapStateToProps)(injectIntl(Notifications));