80 lines
2.4 KiB
TypeScript
80 lines
2.4 KiB
TypeScript
import axios from 'axios';
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import { load } from 'cheerio';
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// TODO přesunout do types
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type PizzaSize = {
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varId: number,
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size: string,
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pizzaPrice: number,
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boxPrice: number,
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price: number
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}
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// TODO přesunout do types
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type Pizza = {
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name: string,
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ingredients: string[],
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sizes: PizzaSize[],
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}
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// TODO mělo by být konfigurovatelné proměnnou z prostředí s tímhle jako default
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const baseUrl = 'https://www.pizzachefie.cz';
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const pizzyUrl = `${baseUrl}/pizzy.html?pobocka=plzen`;
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const buildPizzaUrl = (pizzaUrl: string) => {
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return `${baseUrl}/${pizzaUrl}`;
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}
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// Ceny krabic dle velikosti
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const boxPrices: { [key: string]: number } = {
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"30cm": 13,
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"35cm": 15,
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"40cm": 18,
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"50cm": 25
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}
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/**
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* Stáhne a scrapne aktuální pizzy ze stránek Pizza Chefie.
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*/
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export async function downloadPizzy(): Promise<Pizza[]> {
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// Získáme seznam pizz
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const html = await axios.get(pizzyUrl).then(res => res.data);
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const $ = load(html);
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const links = $('.vypisproduktu > div > h4 > a');
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const urls = [];
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for (let i = 0; i < links.length; i++) {
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if (links[i].name === 'a' && links[i].attribs?.href) {
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const pizzaUrl = links[i].attribs?.href;
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urls.push(buildPizzaUrl(pizzaUrl));
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}
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}
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// Scrapneme jednotlivé pizzy
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const result: Pizza[] = [];
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for (let i = 0; i < urls.length; i++) {
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const pizzaUrl = urls[i];
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const pizzaHtml = await axios.get(pizzaUrl).then(res => res.data);
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// Název
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const name = $('.produkt > h2', pizzaHtml).first().text()
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// Přísady
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const ingredients: string[] = []
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const ingredientsHtml = $('.prisady > li', pizzaHtml);
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ingredientsHtml.each((i, elm) => {
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ingredients.push($(elm).text());
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})
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// Velikosti
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const sizes: PizzaSize[] = [];
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const a = $('.varianty > li > a', pizzaHtml);
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a.each((i, elm) => {
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const varId = Number.parseInt(elm.attribs.href.split('?varianta=')[1].trim());
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const size = $($(elm).contents().get(0)).text().trim();
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const price = Number.parseInt($($(elm).contents().get(1)).text().trim().split(" Kč")[0]);
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sizes.push({ varId, size, pizzaPrice: price, boxPrice: boxPrices[size], price: price + boxPrices[size] });
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})
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result.push({
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name: name,
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ingredients: ingredients,
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sizes: sizes,
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});
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}
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return result;
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} |