fin blog embed

redux-docs-async-action.js

// adapted from http://redux.js.org/docs/advanced/AsyncActions.html#actionsjs

import fetch from 'isomorphic-fetch'

export const REQUEST_POSTS = 'REQUEST_POSTS'
function requestPosts(subreddit) {
  return {
    type: REQUEST_POSTS,
    subreddit
  }
}

export const RECEIVE_POSTS = 'RECEIVE_POSTS'
function receivePosts(subreddit, json) {
  return {
    type: RECEIVE_POSTS,
    subreddit,
    posts: json.data.children.map(child => child.data),
    receivedAt: Date.now()
  }
}

export function fetchPosts(subreddit) {
  return function (dispatch) {
    dispatch(requestPosts(subreddit))

    return fetch(`https://www.reddit.com/r/${subreddit}.json`)
      .then(
        response => response.json(),
        error => console.log('An error occured.', error)
      )
      .then(json =>
        dispatch(receivePosts(subreddit, json))
      )
  }
}