// actions.js

import { getBeers } from '../path/to/file';
// ...

export function fetchBeersSuccess(beers) {
  return {
    type: types.FETCH_BEERS_SUCCESS,
    payload: beers,
  };
}

export function fetchBeersFailure(error) {
  return {
    type: types.FETCH_BEERS_FAILURE,
    error,
  };
}

export function fetchBeers() {
  return (dispatch) => {
    dispatch({
      type: types.FETCH_BEERS,
    });

    const onSuccess = compose(dispatch, fetchBeersSuccess, prop('data'));
    const onFailure = compose(dispatch, fetchBeersFailure);

    return getBeers()
      .then(onSuccess)
      .catch(onFailure);
  };
}