[ChromeCart][Coupons] Support cart extraction for merchants (1)
Bug: 1246540
Change-Id: I571c07d1ef840672e8c80f1ed075fc902bc81773
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3141783
Reviewed-by: Wei-Yin Chen (陳威尹) <[email protected]>
Commit-Queue: Yue Zhang <[email protected]>
Cr-Commit-Position: refs/heads/main@{#919642}
diff --git a/chrome/renderer/resources/cart/cart-product-extraction.js b/chrome/renderer/resources/cart/cart-product-extraction.js
index 1cd8868..3f11963 100644
--- a/chrome/renderer/resources/cart/cart-product-extraction.js
+++ b/chrome/renderer/resources/cart/cart-product-extraction.js
@@ -17,12 +17,14 @@
var priceCleanupRegex = new RegExp(
'^((' + priceCleanupPrefix + ')\\s+)|' + priceCleanupPostfix + '$', 'i');
var cartItemHTMLRegex = new RegExp(
- '(cart|basket|bundle)[-_]?(item|product)', 'i');
-var cartItemTextContentRegex = new RegExp(
- 'remove|delete|save for later|move to (favo(u?)rite|list|wish( ?)list)s?',
- 'i');
-var moveToCartRegex = new RegExp('move to (cart|bag)', 'i');
-var addToCartRegex = new RegExp('add to cart', 'i');
+ '(cart|basket|bundle)[-_]?((\\w+)[-_])?(item|product)', 'i');
+var cartItemTextRegex = new RegExp(
+ '(remove|delete|save for later|move to (favo(u?)rite|list|wish( ?)list)s?)'+
+ '|(qty)', 'i');
+var moveToCartTextRegex = new RegExp('move to (cart|bag)', 'i');
+var addToCartTextRegex = new RegExp('add to cart', 'i');
+var cartPriceTextRegex = new RegExp('estimated (sales )?tax', 'i');
+var minicartHTMLRegex = new RegExp('mini-cart-product', 'i');
var productIdHTMLRegex = new RegExp('<a href="#modal-(\\w+)', 'i');
var productIdURLRegex = new RegExp(
'((\\w+)-\\d+-medium)|(images.cymax.com/Images/\\d+/(\\w+)-)', 'i');
@@ -491,7 +493,7 @@
}
// Generic heuristic to search for price elements.
let captured_prices = [];
- for (const price of item.querySelectorAll('span, b, p, div, h3')) {
+ for (const price of item.querySelectorAll('span, b, p, div, h3, td, li')) {
const candidate = price.innerText.trim();
if (!candidate.match(priceRegexFull))
continue;
@@ -545,7 +547,8 @@
function extractProductId(url, imageUrl, item) {
const hostname = window.location.hostname;
- if (idExtractionMap === undefined) {
+ if (typeof idExtractionMap === 'undefined' ||
+ idExtractionMap === undefined) {
return null;
}
const source_map = {"product_url": url,
@@ -631,24 +634,28 @@
return false;
}
-function matchNonCartPattern(item, pattern) {
- if (item.parentElement) {
- // Walmart has 'move to cart' outside of the div.cart-item.
- if (item.parentElement.textContent.toLowerCase().match(pattern))
- return true;
- }
- return item.textContent.toLowerCase().match(pattern);
+function matchPattern(item, pattern, matchText) {
+ if (item === null) return false;
+ const textToMatch = matchText ? item.textContent : item.outerHTML;
+ return textToMatch.toLowerCase().match(pattern);
}
function isCartItem(item) {
// TODO: Improve the heuristic here to accommodate more formats of cart item.
- if (matchNonCartPattern(item, moveToCartRegex)) return false;
+ if (matchPattern(item, moveToCartTextRegex, true)) return false;
+ // Walmart has 'move to cart' outside of the div.cart-item.
+ if (matchPattern(item.parentElement, moveToCartTextRegex, true)) return false;
+ if (matchPattern(item, cartPriceTextRegex, true)) return false;
// Item element in bestbuy.com contains "add to cart" for things
// like protection plans.
if (!document.URL.includes("bestbuy.com")
- && matchNonCartPattern(item, addToCartRegex)) return false;
- return item.textContent.toLowerCase().match(cartItemTextContentRegex) ||
- item.outerHTML.toLowerCase().match(cartItemHTMLRegex);
+ && !document.URL.includes("orientaltrading.com")
+ && matchPattern(item, addToCartTextRegex, true)) return false;
+ if ((document.URL.includes("ashleyfurniture.com")
+ || document.URL.includes("gnc.com"))
+ && matchPattern(item, minicartHTMLRegex, false)) return false;
+ return matchPattern(item, cartItemTextRegex, true) ||
+ matchPattern(item, cartItemHTMLRegex, false);
}
function extractOneItem(item, extracted_items, processed, output,
