index.php

<?php
include_once('lib/Smarty-3.1.4/libs/Smarty.class.php');
include_once('lib/config.lib.php');
include_once('lib/session.lib.php');
include_once('lib/ohShopify/shopify.php');

$action = (isset($_GET['action'])) ? $_GET['action'] : 'index';

// Check for shopify authentication
if (isset($_SESSION['shop']) && isset($_SESSION['token'])){
	$shopifyClient = new ShopifyClient($_SESSION['shop'], $_SESSION['token'], SHOPIFY_API_KEY, SHOPIFY_SECRET);

	// setup links in view
	$returnURL = 'http://' . $shopifyClient->shop_domain . '/admin';
}else{
	// not authorized to get into the app so show them the authorization form
	$action = "authorize";
	$smarty->assign('mainnav', array(
		array('name' => 'Install', 'href' => getLink('authorize'), 'class' => '')));
}
/* based on the action, get a url */
function getLink($action='') {
	if (strlen($action) == 0)
		return 'index.php';
	else
		return 'index.php?action=' . $action;
}
/*
*
*  Include the code and templates for this action
*
*/
if (file_exists('core/' . $action . '.php'))
	include('core/' . $action . '.php');

$smarty->display('templates/header.tpl');
$smarty->display('templates/main.tpl');
$smarty->display('templates/modal.tpl');
$smarty->display('templates/app-js.tpl');
$smarty->display('templates/footer.tpl');

?>