Greasemonkey/Tampermonkey UserScript for displaying prices in currency not supported originally
// ==UserScript==
// @name SportsDirect.com Currency Converter
// @description Greasemonkey/Tampermonkey UserScript for displaying prices in currency not supported originally
// @namespace http://github.com/VipSaran/SportsDirect-Currency-Converter
// @version 1.0.2
// @author VipSaran
// @require http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js
// @grant GM_xmlhttpRequest
// @include http://www.sportsdirect.com/*
// @include https://www.sportsdirect.com/*
// @match http://www.sportsdirect.com/*
// @match https://www.sportsdirect.com/*
// @run-at document-end
// ==/UserScript==
var DEBUG = false;
function SportsDirectCurrencyConverter() {
if (DEBUG) console.log('SportsDirectCurrencyConverter()');
}
SportsDirectCurrencyConverter.prototype.getConversionRate = function(currFrom, currTo, callback) {
if (DEBUG) console.log('SportsDirectCurrencyConverter.getConversionRate()');
var conversionName = currFrom.toUpperCase() + '_' + currTo.toUpperCase();
var storedRate = window.localStorage.getItem('rate_' + conversionName);
var storedDate = parseInt(window.localStorage.getItem('date_' + conversionName));
if (DEBUG) console.log('storedRate=', storedRate);
if (DEBUG) console.log('storedDate=', storedDate);
// check if exists and saved in last day
if (storedRate === undefined || isNaN(storedDate) || storedDate < (new Date().getTime() - (24 * 60 * 60 * 1000))) {
// get the new/fresh conversion rate
var URL = "http://www.freecurrencyconverterapi.com/api/v3/convert?q=" + conversionName;
if (DEBUG) console.log('URL=', URL);
GM_xmlhttpRequest({
method: 'GET',
url: URL,
onload: function(response) {
var data = response.responseText;
if (DEBUG) console.log('onload:', data);
var data = $.parseJSON(data);
try {
// parse data
var conversionRate = data.results[conversionName].val;
if (DEBUG) console.log('conversionRate=', conversionRate);
// store the result
converter.saveConversionRate(conversionName, conversionRate);
callback(null, parseFloat(conversionRate));
} catch (e) {
callback(e, null);
}
},
onerror: function(response) {
if (DEBUG) console.log('onerror:', response);
callback(new Error(response.responseText), null);
}
});
} else {
callback(null, parseFloat(storedRate));
}
};
SportsDirectCurrencyConverter.prototype.saveConversionRate = function(conversionName, conversionRate) {
if (DEBUG) console.log('SportsDirectCurrencyConverter.saveConversionRate()');
window.localStorage.setItem('rate_' + conversionName, conversionRate);
window.localStorage.setItem('date_' + conversionName, new Date().getTime());
};
var getNumberStartingIndex = function(str) {
var index = 0;
if (!isNaN(str.substring(index, index + 1))) {
return -1;
}
while (isNaN(str.substring(index, index + 1))) {
index++;
}
return index;
};
var getNumberEndingIndex = function(str) {
var index = str.length - 1;
if (!isNaN(str.substring(index))) {
return -1;
}
while (isNaN(str.substring(index, index + 1))) {
index--;
}
return index;
};
var convertPrice = function(originalText, conversionRate) {
var originalPriceStr = '';
if ((startIdx = getNumberStartingIndex(originalText)) != -1) {
originalPriceStr = originalText.substring(startIdx).trim();
} else if ((endIdx = getNumberEndingIndex(originalText)) != -1) {
originalPriceStr = originalText.substring(0, endIdx).trim();
} else {
throw new Error('Couldn\'t find the currency symbol');
}
if (isNaN(originalPriceStr)) {
originalPriceStr = originalPriceStr.replace(',', '.').replace(' ', '').replace(' ', '');
}
var newPriceStr = (originalPriceStr * conversionRate).toFixed(2);
// if (DEBUG) console.log('originalPriceStr=', originalPriceStr);
// if (DEBUG) console.log('newPriceStr =', newPriceStr);
return newPriceStr;
};
var doConversions = function() {
converter.getConversionRate(selectedCurrency, 'HRK', function(error, conversionRate) {
if (error) {
if (DEBUG) console.error('ERROR', error);
} else {
if (DEBUG) console.log('RESULT', conversionRate);
/*
* LIST PAGE
*/
// update the selling price
$('.curprice').each(function(index) {
var originalText = $(this).text().trim();
if (DEBUG) console.log('original price:', originalText);
try {
var newPriceStr = convertPrice(originalText, conversionRate);
// replace the item price on page
$(this).text(newPriceStr + ' HRK');
// some original currencies (CNY, HUF) have more digits, so are displayed with small letters --> revert style to large
$(this).removeClass('CurrencySizeSmall').addClass('CurrencySizeLarge');
} catch (e) {
if (DEBUG) console.error(e);
return;
}
});
// update the ticket price
$('span.s-smalltext').each(function(index) {
var originalText = $(this).text().trim();
if (DEBUG) console.log('original price:', originalText);
try {
var newPriceStr = convertPrice(originalText, conversionRate);
// replace the item price on page
$(this).text(newPriceStr + ' HRK');
} catch (e) {
if (DEBUG) console.error(e);
return;
}
});
/*
* ITEM PAGE
*/
// update the selling price
$('#lblSellingPrice').text(function(index) {
var originalText = $(this).text().trim();
if (DEBUG) console.log('original price:', originalText);
try {
var newPriceStr = convertPrice(originalText, conversionRate);
// replace the item price on page
return newPriceStr + ' HRK';
} catch (e) {
if (DEBUG) console.error(e);
return $(this).text();
}
});
// update the ticket price
$('#lblTicketPrice').text(function(index) {
var originalText = $(this).text().trim();
if (DEBUG) console.log('original price:', originalText);
try {
var newPriceStr = convertPrice(originalText, conversionRate);
// replace the item price on page
return newPriceStr + ' HRK';
} catch (e) {
if (DEBUG) console.error(e);
return $(this).text();
}
});
// update the 'you save' price
$('#lblWeLeftTab').text(function(index) {
var originalText = $(this).text().trim();
if (DEBUG) console.log('original price:', originalText);
try {
var newPriceStr = convertPrice(originalText, conversionRate);
// replace the item price on page
return newPriceStr + ' HRK';
} catch (e) {
if (DEBUG) console.error(e);
return $(this).text();
}
});
}
});
};
var selectedCurrency;
SportsDirectCurrencyConverter.prototype.init = function() {
if (DEBUG) console.log('SportsDirectCurrencyConverter.init()');
selectedCurrency = $('#currencyLanguageSelector > span > p').text();
selectedCurrency = selectedCurrency.substring(selectedCurrency.indexOf(' ')).trim();
if (DEBUG) console.log('selectedCurrency="' + selectedCurrency + '"');
setTimeout(function() {
doConversions();
}, 500);
};
var converter = new SportsDirectCurrencyConverter();
$(document).ready(function() {
converter.init();
$('#dnn_ctr51055_BrowseV3View_ddlSortOptions1').change(function() {
if (DEBUG) console.log('"Sort By" changed');
setTimeout(function() {
doConversions();
}, 800);
});
$('a.FilterAnchor').on('click', function() {
if (DEBUG) console.log('"Sort By" changed');
setTimeout(function() {
doConversions();
}, 1000);
});
});