freeCodeCamp/common/app/routes/Profile/components/Portfolio.jsx

import React from 'react';
import PropTypes from 'prop-types';
import { createSelector } from 'reselect';
import { connect } from 'react-redux';
import { Thumbnail, Media } from 'react-bootstrap';

import { FullWidthRow } from '../../../helperComponents';
import { userByNameSelector } from '../../../redux';

const mapStateToProps = createSelector(
  userByNameSelector,
  ({ portfolio }) => ({ portfolio })
);

const propTypes = {
  portfolio: PropTypes.arrayOf(
    PropTypes.shape({
      description: PropTypes.string,
      id: PropTypes.string,
      image: PropTypes.string,
      title: PropTypes.string,
      url: PropTypes.string
    })
  )
};

function Portfolio({ portfolio = [] }) {
  if (!portfolio.length) {
    return null;
  }
  return (
    <div>
      <FullWidthRow>
        <h2 className='text-center'>Portfolio</h2>
        {
          portfolio.map(({ title, url, image, description, id}) => (
            <Media key={ id }>
              <Media.Left align='middle'>
              {
                image && (
                  <a href={ url } rel='nofollow'>
                    <Thumbnail
                      alt={ `A screen shot of ${title}` }
                      src={ image }
                      style={{ width: '150px' }}
                    />
                  </a>
                )

              }
              </Media.Left>
                <Media.Body>
                  <Media.Heading>
                    <a href={ url } rel='nofollow'>
                      { title }
                    </a>
                  </Media.Heading>
                  <p>
                    { description }
                  </p>
                </Media.Body>
            </Media>
          ))
        }
      </FullWidthRow>
      <hr />
    </div>
  );
}

Portfolio.displayName = 'Portfolio';
Portfolio.propTypes = propTypes;

export default connect(mapStateToProps)(Portfolio);