Плагин для "скидки от суммы заказа" - страница 2 - Модули и Аддоны

<?php
/**
 * [member=126442]copyright[/member]	Copyright (C) 2005 - 2012 fisk.te.ua All rights reserved.
 * @license		Vyacheslav Lopatynskyj
 * @upgrade     ELLE
 */

defined('_JEXEC') or die('Restricted access');

/**
 * An simple JoomShopping discount plugin.
 */
class plgJshoppingCheckoutSimple_discount extends JPlugin{

	//plugin options array
	var $options = array();

	/**
	 * Constructor
	 *
	 * [member=16271]access[/member]      protected
	 * @param       object  $subject The object to observe
	 * @param       array   $config  An array that holds the plugin configuration
	 * @since       1.5
	 */
	public function __construct(& $subject, $config)
	{
		parent::__construct($subject, $config);
		$this->options['amount_to_get_discount'] = (float)$this->params->get('amount_to_get_discount');
		$this->options['discount_type'] = (int)$this->params->get('discount_type');
		$this->options['discount_value'] = (float)$this->params->get('discount_value');
        //1
        	$this->options['amount_to_get_discount1'] = (float)$this->params->get('amount_to_get_discount1');
		$this->options['discount_type1'] = (int)$this->params->get('discount_type1');
		$this->options['discount_value1'] = (float)$this->params->get('discount_value1');
        //2
        	$this->options['amount_to_get_discount2'] = (float)$this->params->get('amount_to_get_discount2');
		$this->options['discount_type2'] = (int)$this->params->get('discount_type2');
		$this->options['discount_value2'] = (float)$this->params->get('discount_value2');

		$this->options['show_message'] = (int)$this->params->get('show_message');
		$this->options['message'] = $this->params->get('message');
	}


	function onAfterCartLoad(&$cart){
		if ($cart->getSummForCalculeDiscount() >= $this->options['amount_to_get_discount2']) {
			$cart->setRabatt(NULL, $this->options['discount_type2'], $this->options['discount_value2']);
		}
           elseif ($cart->getSummForCalculeDiscount() >= $this->options['amount_to_get_discount1']) {
           $cart->setRabatt(NULL, $this->options['discount_type1'], $this->options['discount_value1']);
		}
          elseif ($cart->getSummForCalculeDiscount() >= $this->options['amount_to_get_discount']) {
			$cart->setRabatt(NULL, $this->options['discount_type'], $this->options['discount_value']);
		}
        else {
			$cart->setRabatt(NULL, NULL, NULL);
		}
    }

	function onBeforeDisplayCartView(&$view) {
		if ($this->options['show_message'] != 0 && $view->summ < $this->options['amount_to_get_discount']) {
			$html = '<div style="color: red; font-size: 20px; text-align: center;">';
			$html .= sprintf($this->options['message'],
							formatprice($this->options['amount_to_get_discount'] - $view->summ),
							($this->options['discount_type'] == 1 ? formatprice($this->options['discount_value']) : $this->options['discount_value']."%"));
			$html .= '</div>';
            }
              elseif ($this->options['show_message'] != 0 && $view->summ < $this->options['amount_to_get_discount1']) {
			$html = '<div style="color: red; font-size: 20px; text-align: center;">';
			$html .= sprintf($this->options['message'],
							formatprice($this->options['amount_to_get_discount1'] - $view->summ),
							($this->options['discount_type1'] == 1 ? formatprice($this->options['discount_value1']) : $this->options['discount_value1']."%"));
			$html .= '</div>';
		}
          elseif ($this->options['show_message'] != 0 && $view->summ < $this->options['amount_to_get_discount2']) {
			$html = '<div style="color: red; font-size: 20px; text-align: center;">';
			$html .= sprintf($this->options['message'],
							formatprice($this->options['amount_to_get_discount2'] - $view->summ),
							($this->options['discount_type2'] == 1 ? formatprice($this->options['discount_value2']) : $this->options['discount_value2']."%"));
			$html .= '</div>';
		}

			if ($this->options['show_message'] == 1) {
				$view->_tmp_ext_html_cart_start = $html.$view->_tmp_ext_html_cart_start;
			} else {
				$view->_tmp_ext_html_before_discount = $view->_tmp_ext_html_before_discount.$html;
			}

	}
}
//TODO add array of discounts
//TODO select categories for discount
//TODO optional merge plugin discount with user-group discount
//TODO if delete plugin discount restore user-group discount
?>