Maping price to a priceIndex

gistfile1.js

var index, pppClient, currencyPrice;

pppClient = _.find(menu.fixedPriceMapClient,  function (price) {
	return price.from <= 6 && price.to >= 6;
});

currencyPrice = menuPrices[menu.currency];
if (!!pppClient) {
	index = _.findIndex(currencyPrice, function (v,index) {
		if (typeof currencyPrice[index+1] === 'undefined') {
			return false;
		}
		return this <= (currencyPrice[index] + (currencyPrice[index+1] - currencyPrice[index])/2);
	}, pppClient.ppp);
}

if (menu.freePPP) {
	index = -1;
}