Рассчитывает цены за кг/шт/л и т.д. для товаров на странице и сортирует товары по этой цене!
// ==UserScript==
// @name Sbermarket - расчет цены за килограмм
// @namespace http://tampermonkey.net/
// @version 1.3.1
// @description Рассчитывает цены за кг/шт/л и т.д. для товаров на странице и сортирует товары по этой цене!
// @author Lunat1q
// @include https://sbermarket.ru/metro*
// @include https://sbermarket.ru/auchan*
// @include https://sbermarket.ru/selgros*
// @include https://sbermarket.ru/billa*
// @include https://sbermarket.ru/vkusvill*
// @grant none
// @license LGPLv2
// ==/UserScript==
(function() {
'use strict';
var visitedProducts = [];
var visitedOtherProducts = [];
var selector = "#wrap > div.body > div:nth-child(1) > div > main > section > div > div > div > div > main > div > ul";
var products = $.find(selector)[0];
if (products == undefined)
{
products = $.find("#wrap > div.body > div > section:nth-child(3) > div > div > main > div > ul")[0];
}
if (products == undefined)
{
products = $.find("#wrap > div.body > div > section:nth-child(2) > div > div > main > div > ul")[0];
}
var prevCount = 0;
var prevOtherCount = 0;
var priceDict = {};
var working = false;
var prevSorted = 0;
var otherProductsContainer = $.find("#wrap > div.body > div:nth-child(2) > section.-Nonf > div > ul")[0];
determineProductsPrice();
sortByPrice();
calculatePriceForTheRest();
MutationObserver = window.MutationObserver || window.WebKitMutationObserver;
if (products != undefined)
{
var observer = new MutationObserver(function(mutations, observer) {
determineProductsPrice();
setTimeout(function() {sortByPrice();}, 1000);
});
observer.observe(products, {
subtree: false,
childList: true
});
}
if (otherProductsContainer != undefined)
{
var otherObserver = new MutationObserver(function(mutations, observer) {
calculatePriceForTheRest();
});
otherObserver.observe(otherProductsContainer, {
subtree: false,
childList: true
});
}
console.log("Price calc booted!");
function calculatePriceForTheRest()
{
var otherProducts = $.find("div._3KtLI > div > a");
let childElements = otherProducts.length;
if (prevOtherCount >= childElements)
{
return;
}
prevOtherCount = childElements;
for (let i = 0; i < childElements; i++)
{
let product = otherProducts[i];
if (product.childElementCount > 0)
{
if (visitedOtherProducts.includes(product))
{
continue;
}
visitedOtherProducts.push(product);
calculateAndDisplayPrice(product);
}
}
}
function determineProductsPrice()
{
if (products == undefined)
{
return;
}
let childElements = products.childElementCount;
if (prevCount >= childElements)
{
return;
}
prevCount = childElements;
let before = visitedProducts.length
for (let i = 0; i < childElements; i++)
{
let product = products.children[i];
if (product.childElementCount > 0)
{
let prodCardOverall = product.children[0];
let prodDataContainer = $(prodCardOverall).children("a")[0];
if (visitedProducts.includes(prodDataContainer))
{
continue;
}
visitedProducts.push(prodDataContainer);
let realPrice = calculateAndDisplayPrice(prodDataContainer);
if (realPrice == -1)
{
priceDict[product.textContent] = 9999999999;
continue;
}
priceDict[product.textContent] = realPrice;
}
}
console.log("Real price detected for: " + (visitedProducts.length - before) + "items");
}
function calculateAndDisplayPrice(productDataContainer)
{
let prodPriceTag = productDataContainer.children[4];
if (prodPriceTag == undefined)
{
return -1;
}
//#wrap > div.body > div.products_with_filters_wrapper > div.products_container > div > ul > li:nth-child(5) > a > div.product__price > div
let money = getMoneyAmount(prodPriceTag);
let weightTag = productDataContainer.children[3];
let parseResult = parseVolume(weightTag) //#wrap > div.body > div.products_with_filters_wrapper > div.products_container > div > ul > li:nth-child(1) > a > p.product__volume
let realPrice = money / parseResult.volume;
let realPriceTag = prodPriceTag.appendChild(document.createElement('p'))
realPriceTag.innerText = realPrice.toFixed(1) + " ₽/" + parseResult.name;
return realPrice;
}
function sortByPrice()
{
if (products == undefined)
{
return;
}
if (prevSorted >= products.childElementCount)
{
return;
}
prevSorted = products.childElementCount;
let arr = Array.from(products.children);
arr = arr.sort((a, b) =>
{
let price1 = priceDict[a.textContent];
let price2 = priceDict[b.textContent];
return price1 > price2 ? 1 : -1;
});
arr.forEach(li => products.appendChild(li));
working = false;
}
function getMoneyAmount(item)
{
if (item == undefined)
{
return 999999999;
}
var splittedText = item.innerText.split("\n");
var moneyPart = splittedText[splittedText.length - 1];
var cleanedMoneyValue = moneyPart.substring(0, moneyPart.length - 2).replace(/\s/g, '');
return parseFloat(cleanedMoneyValue.replace(",", "."));
}
function parseVolume(item)
{
let volumeText = item.innerText;
let multiplier = 1;
let subStrLen = 0;
let volumeName = "";
if (volumeText.includes("кг"))
{
multiplier = 1;
subStrLen = 3;
volumeName = "кг";
}
else if (volumeText.includes("г"))
{
multiplier = 0.001;
subStrLen = 2;
volumeName = "кг";
}
else if (volumeText.includes("мл"))
{
multiplier = 0.001;
subStrLen = 3;
volumeName = "л";
}
else if (volumeText.includes("л"))
{
multiplier = 1;
subStrLen = 2;
volumeName = "л";
}
else if (volumeText.includes("см"))
{
return { name: "шт", price: 1 };
}
else if (volumeText.includes("шт"))
{
volumeName = "шт";
}
let textToParse = item.innerText.substring(0, item.innerText.length - subStrLen).replace(",", ".");
return { name: volumeName, volume: parseFloat(textToParse) * multiplier };
}
})();