const performSearch = (query, genres) => async (dispatch) => {
  dispatch(beginSearch(query, genres))
  try {
    const result = await axios.get('...')
    dispatch(successSearch(query, genres, result))
  } catch (error) {
    dispatch(errorSearch(query, genres, error))
  } finally {
    dispatch(completeSearch(query, genres))
  }
}

const toggleGenre = genreId => ({
   type: 'GENRES/TOGGLE',
   error: false,
   payload: { id: genreId }
})