content: import React from 'react';
  import PropTypes from 'prop-types';
  import ImmutablePropTypes from 'react-immutable-proptypes';
  import ImmutablePureComponent from 'react-immutable-pure-component';
  import { connect } from 'react-redux';
  import { makeGetAccount } from 'mastodon/selectors';
  import Avatar from 'mastodon/components/avatar';
  import DisplayName from 'mastodon/components/display_name';
  import Permalink from 'mastodon/components/permalink';
  import IconButton from 'mastodon/components/icon_button';
  import { injectIntl, defineMessages } from 'react-intl';
  import { followAccount, unfollowAccount } from 'mastodon/actions/accounts';
  
  const messages = defineMessages({
    follow: { id: 'account.follow', defaultMessage: 'Follow' },
    unfollow: { id: 'account.unfollow', defaultMessage: 'Unfollow' },
  });
  
  const makeMapStateToProps = () => {
    const getAccount = makeGetAccount();
  
    const mapStateToProps = (state, props) => ({
      account: getAccount(state, props.id),
    });
  
    return mapStateToProps;
  };
  
  const getFirstSentence = str => {
    const arr = str.split(/(([\.\?!]+\s)|[．。？！\n•])/);
  
    return arr[0];
  };
  
  export default @connect(makeMapStateToProps)
  @injectIntl
  class Account extends ImmutablePureComponent {
  
    static propTypes = {
      account: ImmutablePropTypes.map.isRequired,
      intl: PropTypes.object.isRequired,
      dispatch: PropTypes.func.isRequired,
    };
  
    handleFollow = () => {
      const { account, dispatch } = this.props;
  
      if (account.getIn(['relationship', 'following']) || account.getIn(['relationship', 'requested'])) {
        dispatch(unfollowAccount(account.get('id')));
      } else {
        dispatch(followAccount(account.get('id')));
      }
    }
  
    render () {
      const { account, intl } = this.props;
  
      let button;
  
      if (account.getIn(['relationship', 'following'])) {
        button = <IconButton icon='check' title={intl.formatMessage(messages.unfollow)} active onClick={this.handleFollow} />;
      } else {
        button = <IconButton icon='plus' title={intl.formatMessage(messages.follow)} onClick={this.handleFollow} />;
      }
  
      return (
        <div className='account follow-recommendations-account'>
          <div className='account__wrapper'>
            <Permalink className='account__display-name account__display-name--with-note' title={account.get('acct')} href={account.get('url')} to={`/@${account.get('acct')}`}>
              <div className='account__avatar-wrapper'><Avatar account={account} size={36} /></div>
  
              <DisplayName account={account} />
  
              <div className='account__note'>{getFirstSentence(account.get('note_plain'))}</div>
            </Permalink>
  
            <div className='account__relationship'>
              {button}
            </div>
          </div>
        </div>
      );
    }
  
  }
  