contiago-toolbar/app/containers/ArticlePage/reducer.js

One of the options for outputting content from contiago xml-server

import { fromJS } from 'immutable';
import {
  GET_ARTICLE,
  GET_ARTICLE_SUCCESS,
  GET_ARTICLE_ERROR,
  SET_PREVIEW_IMAGE,
} from './constants';

const initialState = fromJS({
  loading: false,
  error: {},
  article: {},
  previewImage: {},
});

function articlePageReducer(state = initialState, action) {
  switch (action.type) {
    case GET_ARTICLE:
      return state.set('loading', true)
    .set('error', {});
    case GET_ARTICLE_SUCCESS:
      return state.set('loading', false)
    .set('error', {})
    .set('article', action.payload);
    case GET_ARTICLE_ERROR:
      return state.set('loading', false)
    .set('error', action.payload);
    case SET_PREVIEW_IMAGE:
      return state.set('previewImage', action.payload);
    default:
      return state;
  }
}

export default articlePageReducer;