e_header.php

<?php
/**
 * e107 website system
 *
 * Copyright (C) 2008-2016 e107 Inc (e107.org)
 * Released under the terms and conditions of the
 * GNU General Public License (http://www.gnu.org/licenses/gpl.txt)
 *
 */


if(deftrue('USER_AREA'))
{
	// prevents inclusion of JS/CSS/meta in the admin area.
	e107::css('vstore', 'vstore.css');
	e107::js('vstore', 'js/vstore.js');
	e107::lan('vstore', false, true); // e107_plugins/vstore/languages/English_front.php

	$vstore_prefs = e107::pref('vstore');

	e107::js('settings', array('vstore' => array(
		'url'       => e107::url('vstore', 'index'),
		'cart'      => array(
			'url'        => e107::url('vstore', 'cart'),
			'addtocart'  => LAN_VSTORE_001, // 'Add to cart',
			'outofstock' => empty($vstore_prefs['caption_outofstock'][e_LANGUAGE])
				? 'Out of stock'
				: $vstore_prefs['caption_outofstock'][e_LANGUAGE],
			'available'  => 'In stock',
		),
		'ImageZoom' => array('url' => '')
	)
	));


	if(!empty($vstore_prefs['custom_css']))
	{
		// Add any custom css to the page
		e107::css('inline', "
            /* vstore custom css */
            " . $vstore_prefs['custom_css']);
	}
}

// TODO move this into vstore.class.php as a static method. 
if(!class_exists('vstore_cart_icon'))
{
	class vstore_cart_icon
	{

		function __construct()
		{

			//  require_once(e_PLUGIN.'vstore/vstore.class.php');

			if(e_ADMIN_AREA !== true)
			{

				$vst = e107::getSingleton('vstore', e_PLUGIN . 'vstore/vstore.class.php');

				$data = $vst->getCartData();

				//$count = count($data);
				// Sum up cart quantity for badge instead of only number of different products (items)
				$count = 0;
				if($data && count($data))
				{
					foreach($data as $row)
					{
						$count += $row['cart_qty'];
					}
				}


			}
			else
			{
				$count = 5;
			}

			$style = empty($count) ? '' : "class='active'";

			$text = '<span id="vstore-cart-icon" ' . $style . '>' . e107::getParser()->toGlyph("fa-shopping-cart") . '<span class="badge">' . $count . '</span></span>';

			if(!defined('LAN_PLUGIN_VSTORE_CARTICON'))
			{
				define('LAN_PLUGIN_VSTORE_CARTICON', $text);
			}

		}

	}
}

new vstore_cart_icon;