enbock / Time-Tracker

export default class Presenter {

  menuOpenState: Observer<boolean>;

  routerObserver: Observer<PageData | null>;

  pageRegistry: PageRegistry;

  translator: Observer<Translator>;

  constructor(

    menuOpenState: Observer<boolean>,

    translator: Observer<Translator>,

    routerObserver: Observer<PageData | null>,

    pageRegistry: PageRegistry

  ) {

    this.translator = translator;

    this.menuOpenState = menuOpenState;

    this.routerObserver = routerObserver;

    this.pageRegistry = pageRegistry;

  }

  present(): Model {

    const model: Model = new Model();

    model.isOpen = this.menuOpenState.value;

    const translator: Translator = this.translator.value;

    model.translation = {

      home: translator.translate('Application.SideMenu.Home'),

      settings: translator.translate('Application.SideMenu.Settings')

    };

    const pages: PageData[] = this.pageRegistry.getPages();

    const activePage: string = this.routerObserver.value?.name || '';

    model.pageNames = [];

    pages.forEach(

      (page: PageData) => {

        model.pageNames.push(page.name);

        model.isActive[page.name] = (activePage == page.name);

        model.url[page.name] = page.currentUrl;

      }

    );

    return model;