mastodon/app/javascript/mastodon/containers/account_container.js

import React from 'react';
import { connect } from 'react-redux';
import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
import { makeGetAccount } from '../selectors';
import Account from '../components/account';
import {
  followAccount,
  unfollowAccount,
  blockAccount,
  unblockAccount,
  muteAccount,
  unmuteAccount,
} from '../actions/accounts';
import { openModal } from '../actions/modal';

const messages = defineMessages({
  unfollowConfirm: { id: 'confirmations.unfollow.confirm', defaultMessage: 'Unfollow' },
});

const makeMapStateToProps = () => {
  const getAccount = makeGetAccount();

  const mapStateToProps = (state, props) => ({
    account: getAccount(state, props.id),
    me: state.getIn(['meta', 'me']),
    unfollowModal: state.getIn(['meta', 'unfollow_modal']),
  });

  return mapStateToProps;
};

const mapDispatchToProps = (dispatch, { intl }) => ({

  onFollow (account) {
    if (account.getIn(['relationship', 'following'])) {
      if (this.unfollowModal) {
        dispatch(openModal('CONFIRM', {
          message: <FormattedMessage id='confirmations.unfollow.message' defaultMessage='Are you sure you want to unfollow {name}?' values={{ name: <strong>@{account.get('acct')}</strong> }} />,
          confirm: intl.formatMessage(messages.unfollowConfirm),
          onConfirm: () => dispatch(unfollowAccount(account.get('id'))),
        }));
      } else {
        dispatch(unfollowAccount(account.get('id')));
      }
    } else {
      dispatch(followAccount(account.get('id')));
    }
  },

  onBlock (account) {
    if (account.getIn(['relationship', 'blocking'])) {
      dispatch(unblockAccount(account.get('id')));
    } else {
      dispatch(blockAccount(account.get('id')));
    }
  },

  onMute (account) {
    if (account.getIn(['relationship', 'muting'])) {
      dispatch(unmuteAccount(account.get('id')));
    } else {
      dispatch(muteAccount(account.get('id')));
    }
  },

});

export default injectIntl(connect(makeMapStateToProps, mapDispatchToProps)(Account));