104 lines
2.4 KiB
JavaScript
104 lines
2.4 KiB
JavaScript
import "./logger";
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import { COUNTRIES } from "./countries";
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import { initCache } from "./cache";
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import { bookPriceFor } from "./bookPriceFor";
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/*
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TODO:
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- not all currencies parsed as expected:
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https://www.kobo.com/za/en/ebook/nine-minds
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ZA: R300,60 -> $1,674.58
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JP: 2,246 円 -> $Infinity
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- publish to stores
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- check in chrome
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- more durable source for rates
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- React for UI
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- More informative, show loading progress
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- clear stale cache
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*/
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const createPricesContainer = () => {
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const pricingActionContainer = document
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.querySelector(".primary-right-container")
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.querySelector(".pricing-details")
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.querySelector(".action-container");
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const container = document.createElement("div");
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container.style.display = "flex";
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container.style.flexDirection = "column";
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return pricingActionContainer.parentNode.insertBefore(
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container,
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pricingActionContainer,
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);
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};
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const getCountriesPrice = async () => {
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const prices = [];
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for (const country of COUNTRIES) {
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// intentionally blocking execution
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// to resolve sequentially.
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// It should prevent DOS and triggering captcha
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prices.push(await bookPriceFor(country));
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}
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return prices;
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};
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const formatPrice = (price) => {
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const convertedPrice = price?.convertedPrice?.format ?? "NO PRICE";
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const countryPrice = price?.countryPrice ?? "NO PRICE";
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return `${price.countryCode.toUpperCase()}: ${countryPrice} -> ${convertedPrice}`;
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};
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const sortPrices = (prices) =>
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prices.sort(
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(a, b) =>
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(a?.convertedPrice?.intValue || Infinity) -
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(b?.convertedPrice?.intValue || Infinity),
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);
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const showPrices = (container, prices) => {
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container.innerText = null;
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prices.forEach((price) => {
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const link = document.createElement("a");
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link.href = price.url;
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link.target = "_blank";
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link.style.marginBottom = "5px";
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link.innerText = formatPrice(price);
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container.appendChild(link);
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});
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};
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async function main() {
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try {
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initCache();
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const container = createPricesContainer();
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container.innerText = "LOADING PRICES...";
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const countriesPrice = await getCountriesPrice();
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l("country prices", countriesPrice);
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sortPrices(countriesPrice);
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l("sorted prices", countriesPrice);
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showPrices(container, countriesPrice);
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} catch (e) {
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l("error", e);
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} finally {
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l("done");
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}
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}
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l("starting...");
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window.onload = () => {
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l("page is fully loaded");
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void main();
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};
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