ukraine-timemap/src/components/Notification.jsx

import React from 'react';

export default class Notification extends React.Component{

  constructor(props) {
    super();
    this.state = {
      isExtended: false
    }
  }

  toggleDetails() {
    this.setState({ isExtended: !this.state.isExtended });
  }

  renderItems(items) {
    if (!items) return '';
    return (
      <div>
        {items.map((item) => {
          if (item.error) {
            return (<p>{item.error.message}</p>);
          }
          return '';
        })}
      </div>
    )
  }

  renderNotificationContent(notification) {
    let { type, message, items } = notification;

    return (
      <div>
        <div className={`message ${type}`}>
          {message}
        </div>
        <div className={`details ${this.state.isExtended}`}>
          {(items !== null) ? this.renderItems(items) : ''}
        </div>
      </div>
    )
  }

  render() {
    const notificationsToRender = this.props.notifications.filter(n => !('isRead' in n && n.isRead))
    if (notificationsToRender.length > 0) {
      return (
        <div className={`notification-wrapper`}>
          {this.props.notifications.map((notification) => {
            return (
              <div className='notification' onClick={() => this.toggleDetails() }>
                <button
                  onClick={this.props.onToggle}
                  className="side-menu-burg over-white is-active"
                >
                  <span />
                </button>
                {this.renderNotificationContent(notification)}
              </div>
            );
          })
        }
        </div>
      )
    }
    return (<div/>);
  }
}