@aller/blink/src/events/prepare-active-time-event.ts

A library for tracking user behaviour.

import generalData from '../utils/general-data';
import { calculateEventTime } from '../utils/event-time';
import { BlinkEvent } from '../types';
import { Page } from '../selectors/get-page-state';

export interface PrepareActiveTimeProps {
  page: Page;
  id: string;
  utils: {
    getPersistedState: (key: string) => any;
  };
  time?: Date;
}

/**
 * Prepares a active time data selecting the right
 * fields to send to the server
 */
export default function prepareActiveTimeForSending({
  page,
  id,
  utils,
  time,
}: PrepareActiveTimeProps): BlinkEvent {
  const activeTime = page.state.activeTime[id];
  const pap = utils.getPersistedState(`${page.id}::impression::${id}`) || null;
  return {
    ...generalData(page.state),
    type: 'activeTime',
    id,
    article: { harvesterId: activeTime.id, url: activeTime.url },
    previousArticlePreview: pap
      ? {
          inscreenTime: pap.inscreenTime,
          title: pap.title,
          clicked:
            utils.getPersistedState(`${page.id}::clicked::${id}`) || false,
        }
      : undefined,
    activeTime: calculateEventTime({
      times: activeTime.activity,
      screenEvents: page.state.screen.events,
      now: time,
    }),
    maxScroll: 0,
  };
}

export function getAllActiveTimeEventsPrepared(
  page: any,
  utils: any,
  time: Date,
): BlinkEvent[] {
  if (!page || !page.state) {
    return [];
  }
  return Object.keys(page.state.activeTime).map(articleId =>
    prepareActiveTimeForSending({ page, id: articleId, time, utils }),
  );
}