afacinemas/src/afacinemas/theaters-scraper.ts

> A web scraper library for [AFA Cinemas](http://www.afacinemas.com.br/)

import * as cheerio from 'cheerio';
import { AfaScraper } from './afa-scraper';
import { Theater } from './types';

export class TheatersScraper extends AfaScraper<Theater> {
  constructor() {
    super();
    this.url = `${this.baseUrl}cinemas.php`;
  }

  async extract(): Promise<Theater[]> {
    await this.loadContent();

    const theaters: Theater[] = [];
    const sections = this.$('section.cartazbreve');

    sections.each((_index, element) => {
      const $element = this.$(element);
      const id = this.getTheaterId($element);
      const name = this.getTheaterName($element);
      const imageLink = this.getImageLink($element);
      const city = this.getTheaterCity($element);

      theaters.push({ id, name, imageLink, city });
    });

    return theaters;
  }

  private getTheaterId(item: cheerio.Cheerio<cheerio.Element>) {
    const id = this.$(item).attr('property');
    return Number(id!);
  }

  private getTheaterName(item: cheerio.Cheerio<cheerio.Element>) {
    const name = this.$(item).attr('title');
    return name!;
  }

  private getImageLink(item: cheerio.Cheerio<cheerio.Element>) {
    const src = this.$(item).find('img').attr('src');
    return `${this.baseUrl}${src!}`;
  }

  private getTheaterCity(item: cheerio.Cheerio<cheerio.Element>) {
    const city = this.$(item).find('section.databreve p').last().text().trim();
    return city;
  }
}