<?php
/**
 * TERM OF USE "Paginated Featured Products" is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
 *
 *  @author    Orange35 <info@orange35.com>
 *  @copyright 2007-2015 Orange35
 *  @license   http://creativecommons.org/licenses/by-nc-sa/3.0/
 */

require_once(dirname(__FILE__).'/../../homefeaturedpaginated.php');

class HomefeaturedpaginatedPaginationModuleFrontController extends FrontController
{
	public function pagination($total_products = null)
	{
		if (!self::$initialized)
			$this->init();
		elseif (!$this->context)
			$this->context = Context::getContext();

		// Retrieve the default number of products per page and the other available selections

		$default_products_per_page = max(1, (int)Configuration::get(HomeFeaturedPaginated::PS_IPP));
		$n_array = array($default_products_per_page, $default_products_per_page * 2, $default_products_per_page * 5);

		if ((int)Tools::getValue('n') && (int)$total_products > 0)
			$n_array[] = $total_products;

		$this->n = $default_products_per_page;

		// Retrieve the page number (either the GET parameter or the first page)
		$this->p = (int)Tools::getValue('p', 1);
		// If the parameter is not correct then redirect (do not merge with the previous line, the redirect is required in order to avoid duplicate content)
		if (!is_numeric($this->p) || $this->p < 1)
			Tools::redirect(self::$link->getPaginationLink(false, false, $this->n, false, 1, false));

		// Remove the page parameter in order to get a clean URL for the pagination template
		$current_url = preg_replace('/(\?)?(&amp;)?p=\d+/', '$1', Tools::htmlentitiesUTF8($_SERVER['REQUEST_URI']));

		if ($this->n != $default_products_per_page || isset($this->context->cookie->nb_item_per_page))
			$this->context->cookie->nb_item_per_page = $this->n;

		$pages_nb = ceil($total_products / (int)$this->n);
		if ($this->p > $pages_nb && $total_products != 0)
			Tools::redirect(self::$link->getPaginationLink(false, false, $this->n, false, $pages_nb, false));

		$range = 2; /* how many pages around page selected */
		$start = (int)$this->p - $range;
		if ($start < 1)
			$start = 1;
		$stop = (int)$this->p + $range;
		if ($stop > $pages_nb)
			$stop = (int)$pages_nb;

		$this->context->smarty->assign(array(
			'nb_products' => $total_products,
			'products_per_page' => $this->n,
			'pages_nb' => $pages_nb,
			'p' => $this->p,
			'n' => $this->n,
			'nArray' => $n_array,
			'range' => $range,
			'start' => $start,
			'stop' => $stop,
			'current_url' => $current_url
		));
	}
}