@aller/blink/src/reducers/article-preview.ts

A library for tracking user behaviour.

import { ARTICLE_PREVIEW_SCREEN_ENTER, PAGE_INIT, CLICK } from '../actions';

export function singleArticlePreview(state = [], action: any) {
  switch (action.type) {
    case ARTICLE_PREVIEW_SCREEN_ENTER: {
      return {
        ...state,
        id: action.payload.id,
        context: action.payload.context,
        url: action.payload.url,
        title: action.payload.title,
        height: action.payload.height,
        width: action.payload.width,
        personalizationParametersRequested:
          action.payload.personalizationParametersRequested,
        personalizationSystemUsed: action.payload.personalizationSystemUsed,
        position: action.payload.position,
      };
    }
    case CLICK: {
      return {
        ...state,
        id: action.payload.id,
        url: action.payload.url,
        clicked: true,
      };
    }
    default:
      break;
  }
  return state;
}

export default function articlePreview(
  state: { [key: string]: any } = {},
  action: any,
) {
  switch (action.type) {
    case PAGE_INIT:
      return {}; // Flush the store on pageLoad
    case ARTICLE_PREVIEW_SCREEN_ENTER:
    case CLICK:
      if (!action.payload.id) {
        return state;
      }
      return {
        ...state,
        [action.payload.id]: singleArticlePreview(
          state[action.payload.id],
          action,
        ),
      };
    default:
      break;
  }
  return state;
}