Configure Up and Down Buttons in cart-summary.js

[Javier M.]

Hi everyone:
I am using prestashop 1.6.1.1 and basicly I have two types of products: The first group are fabrics that are sold in increments of 10 cm with a minimum quantity of 30cm. The second group are the rest of products that are sold 1 by 1 with a minimum quantity of 1.


When I am doing the queckout, the "shopping-cart-product-line.tpl" file runs "themes/default/js/cart-summary.js" javascript file. This file defines the number of units to up or down the total quantity of the product.


My problem is: if the total quantity of the product is >=30 units I want to increase the total quantity in 10 units (because the product is a fabric). If the total quantity of the product is < 30 units I want to increase the total quantity in 1 unit (because the product isn´t a fabric). In order to do this, I studied the code of the "cart-summary.js" file but I don´t find the way to do it because I don´t find the variable that contains the total quantity of the product.

Any idea how i could get it?


Thanks in advance.

 

function upQuantity(id, qty)
{
	if (typeof(qty) == 'undefined' || !qty)
		qty = 1;
	var customizationId = 0;
	var productId = 0;
	var productAttributeId = 0;
	var id_address_delivery = 0;
	var ids = 0;
	ids = id.split('_');
	productId = parseInt(ids[0]);
	if (typeof(ids[1]) !== 'undefined')
		productAttributeId = parseInt(ids[1]);
	if (typeof(ids[2]) !== 'undefined' && ids[2] !== 'nocustom')
		customizationId = parseInt(ids[2]);
	if (typeof(ids[3]) !== 'undefined')
		id_address_delivery = parseInt(ids[3]);

	$.ajax({
		type: 'POST',
		headers: { "cache-control": "no-cache" },
		url: baseUri + '?rand=' + new Date().getTime(),
		async: true,
		cache: false,
		dataType: 'json',
		data: 'controller=cart'
			+ '&ajax=true'
			+ '&add=true'
			+ '&getproductprice=true'
			+ '&summary=true'
			+ '&id_product=' + productId
			+ '&ipa=' + productAttributeId
			+ '&id_address_delivery=' + id_address_delivery
			+ ((customizationId !== 0) ? '&id_customization=' + customizationId : '')
			+ '&qty=' + qty
			+ '&token=' + static_token
			+ '&allow_refresh=1',
		success: function(jsonData)
		{
			if (jsonData.hasError)
			{
				var errors = '';
				for(var error in jsonData.errors)
					//IE6 bug fix
					if(error !== 'indexOf')
						errors += $('<div />').html(jsonData.errors[error]).text() + "\n";
				if (!!$.prototype.fancybox)
				    $.fancybox.open([
			        {
			            type: 'inline',
			            autoScale: true,
			            minHeight: 30,
			            content: '<p class="fancybox-error">' + errors + '</p>'
			        }],
					{
				        padding: 0
				    });
				else
				    alert(errors);
				$('input[name=quantity_'+ id +']').val($('input[name=quantity_'+ id +'_hidden]').val());
			}
			else
			{
				if (jsonData.refresh)
					location.reload();
				updateCartSummary(jsonData.summary);
				if (window.ajaxCart != undefined)
					ajaxCart.updateCart(jsonData);
				if (customizationId !== 0)
					updateCustomizedDatas(jsonData.customizedDatas);
				updateHookShoppingCart(jsonData.HOOK_SHOPPING_CART);
				updateHookShoppingCartExtra(jsonData.HOOK_SHOPPING_CART_EXTRA);
				if (typeof(getCarrierListAndUpdate) !== 'undefined')
					getCarrierListAndUpdate();
				if (typeof(updatePaymentMethodsDisplay) !== 'undefined')
					updatePaymentMethodsDisplay();					
			}
		},
		error: function(XMLHttpRequest, textStatus, errorThrown) {
			if (textStatus !== 'abort')
			{
				error = "TECHNICAL ERROR: unable to save update quantity \n\nDetails:\nError thrown: " + XMLHttpRequest + "\n" + 'Text status: ' + textStatus;
				if (!!$.prototype.fancybox)
				    $.fancybox.open([
			        {
			            type: 'inline',
			            autoScale: true,
			            minHeight: 30,
			            content: '<p class="fancybox-error">' + error + '</p>'
			        }],
					{
				        padding: 0
				    });
				else
				    alert(error);
			}
		}
	});
}