Find out how much you have spent on Counter-Strike keys

steam-cs-key-history.js

// Open https://store.steampowered.com/account/history and make sure you are logged in to Steam.
// Scroll to the bottom and load all history.
// Open your browsers console (Ctrl + Shift + J on Chrome or Ctrl + Shift + K on Firefox)
// and paste all of this code (select all) in the text box (bottom) and hit enter
// If you get an error from the script you likely aren't running a modern browser
// you can paste the code here https://babeljs.io/repl and copy the output and run that.
(() => {
	const HISTORY_URL = 'https://store.steampowered.com/account/history';
	// English and Cyrillic alphabet
	const CURRENCY_REGEXP = /([A-Za-z\u0400-\u04FF]+)?([^0-9]{1})?([0-9.]+)([A-Za-z€¥\$£\u0400-\u04FF\.]+)?/;
	// USD must be first
	const CURRENCY_MAP = [
		{
			name: 'USD',
			rateToUSD: 1,
			symbolPrefix: '$',
			symbolSuffix: '',
			a: undefined,
			b: '$',
			c: 'USD',
		},
		{
			name: 'AUD',
			rateToUSD: 0.68,
			symbolPrefix: '$',
			symbolSuffix: '',
			a: 'A',
			b: '$',
			c: undefined,
		},
		{
			name: 'Euro',
			rateToUSD: 1.1,
			symbolPrefix: '',
			symbolSuffix: '€',
			a: undefined,
			b: undefined,
			c: '€',
		},
		{
			name: 'Pound',
			rateToUSD: 1.22,
			symbolPrefix: '£',
			symbolSuffix: '',
			a: undefined,
			b: '£',
			c: undefined,
		},
		{
			name: 'Yen',
			rateToUSD: 0.0094,
			symbolPrefix: '¥',
			symbolSuffix: '',
			a: undefined,
			b: '¥',
			c: undefined,
		},
		{
			name: 'Ruble',
			rateToUSD: 0.0152442,
			symbolPrefix: '',
			symbolSuffix: 'pуб.',
			a: undefined,
			b: undefined,
			c: 'pуб.',
		},
	];
	const normalizeCurrency = (str) => {
		str = str.trim();
		// Remove whitespace
		str = str.replace(/\s/g, '');
		// Some amounts have dashes for cents? i.e.: 350,--€
		str = str.replace(/-/g, '0');
		// Replace decimal point comma with .
		str = str.replace(/,([0-9]{2}($|[A-Za-z€¥\$£\u0400-\u04FF]).*)/, '.$1');
		// Remove commas
		str = str.replace(',', '');
		const match = str.match(CURRENCY_REGEXP);
		if (match) {
			return {
				amount: +match[3],
				a: match[1],
				b: match[2],
				c: match[4]
			}
		}
		return null;
	};
	if (window.location.href !== HISTORY_URL) {
		alert(`Redirecting you to the correct page, you will need to run the script again.`);
		return window.location.href = HISTORY_URL;
	}
	if (document.querySelector('#load_more_button').style.display !== 'none') {
		window.scrollTo(0,document.body.scrollHeight);
		return alert(`Scroll to the bottom and click Load More until all results have loaded.`);
	}
	const trs = document.querySelectorAll('table.wallet_history_table > tbody > tr');
	let unsupportedCurrency = {};
	let localCurrencyIndex = undefined;
	let keys = 0;
	let cost = 0;
	if (trs) {
		[...trs].forEach((tr) => {
			const divs = tr.querySelectorAll('td.wht_items > div');
			if (divs && divs[0] && divs[1]) {
				const game = divs[0].innerHTML.trim();
				const items = divs[1].innerHTML.trim();
				if (game === 'Counter-Strike 2') {
					if (items.indexOf('Key') > -1) {
						const price = tr.querySelector('td.wht_total');
						if (price) {
							const amountSplit = normalizeCurrency(price.innerHTML);
							if (amountSplit) {
								let currencyFound = false;
								CURRENCY_MAP.forEach(({name, rateToUSD, a, b, c}, index) => {
									if (amountSplit.a === a && amountSplit.b === b && amountSplit.c === c) {
										currencyFound = true;
										if (typeof localCurrencyIndex === 'undefined' && name !== 'USD') {
											localCurrencyIndex = index;
										}
										cost += amountSplit.amount * rateToUSD;
									}
								});
								if (!currencyFound) {
									// Fallback for US users that have only ever bought with USD and no other currency
									if (amountSplit.b === '$' && amountSplit.a === undefined && amountSplit.c === undefined) {
										currencyFound = true;
										cost += amountSplit.amount;
									}
								}
								if (!currencyFound) {
									const currencyKey = (amountSplit.a || '') + ',' + (amountSplit.b || '') + ',' + (amountSplit.c || '');
									if (!unsupportedCurrency[currencyKey]) {
										unsupportedCurrency[currencyKey] = {
											a: amountSplit.a + '',
											b: amountSplit.b + '',
											c: amountSplit.c + '',
											example: price.innerHTML.trim()
										};
									}
									console.warn(`Unknown currency "${(amountSplit.a || '') + (amountSplit.b || '') + (amountSplit.c || '')}"`);
								}
							} else {
								console.warn(`Couldn't find price for ${items}`);
							}
						} else {
							console.warn(`Couldn't find price for ${items}`);
						}
						const match = items.match(/^([0-9]+)\s/);
						if (match) {
							keys += +match[1];
						} else {
							keys += 1;
						}
					}
				}
			}
		});
	}
	if (typeof localCurrencyIndex === 'undefined') {
		localCurrencyIndex = 0;
	}
	window.alert(`You bought ${keys} keys costing ${CURRENCY_MAP[localCurrencyIndex].symbolPrefix}${(cost * (1/CURRENCY_MAP[localCurrencyIndex].rateToUSD)).toFixed(2)}${CURRENCY_MAP[localCurrencyIndex].symbolSuffix} ${CURRENCY_MAP[localCurrencyIndex].name}.`);
	if (Object.keys(unsupportedCurrency).length > 0) {
		window.prompt(`Unsupported currency. Copy the text below and send to developer!`, JSON.stringify(unsupportedCurrency));
	}
})()