holderdeord/hdo-transcript-search

import { SUMMARY, HITS, SPEECH_CONTEXT, RESET } from '../constants/ActionTypes';

export const ga = window.ga || ((...args) => console.log(args)); // eslint-disable-line

export default function analytics(state = null, action) {
    switch (action.type) {
        case SUMMARY:
            ga(
                'send',
                'event',
                'summary',
                action.payload
                    .map(r => r.query)
                    .sort()
                    .join(',')
                    .toLowerCase()
            );
            break;
        case HITS:
            ga(
                'send',
                'event',
                'hits',
                action.payload
                    .map(r => r.query)
                    .sort()
                    .join(',')
                    .toLowerCase()
            );
            break;
        case SPEECH_CONTEXT:
            ga('send', 'event', 'speech', action.payload.map(r => r.id).join(','));
            break;
        case RESET:
            ga('send', 'event', 'reset');
            break;
        default:
        // do nothing
    }

    return state;
}