shop-old/modules/website_shoppingcart.php

<?php
/*
 * @package		Easyway Shop 5.5
 * @copyright	Copyright (C) 2005 - 2012 TA-EDV
 * @license		proprietary
 * @author		Richard Kammermayer <rk@ta-edv.de>,
 * 				John T. Daly <jd@ta-edv.de>
 * 
 * Easyway Shop is a web e-commerce system
 */

include_once('./core/shoppingcart.class.php');

class website_shoppingcart {


	private $base_object;
	private $layout_object;
	private $item_object;


	public function __construct($base_object, $layout_object) {
		$this->base_object = $base_object;
		$this->layout_object = $layout_object;
		$this->item_object = new Item($base_object);
		$this->shoppingcart_object = new Shoppingcart($base_object);
	}


	function run() {
		$action = '';
		
		if (isset($_POST['update_item']) && $_POST['update_item']) {
			$action = 'update_shoppingcart';
		} elseif (isset($_POST['amount']) && $_POST['amount']) {
			$action = 'add_item';
		}
		
		if ($action == 'update_shoppingcart') {
			$this->update_shoppingcart();
		} elseif ($action == 'add_item') {
			$this->add_item();
		}
			
		return $this->show_shoppingcart();
	} // end run


	private function show_shoppingcart() {
		if (isset($_POST['customer_info'])) {
			$_SESSION['customer_info'] = trim((string)$_POST['customer_info']);
		}

		// 18.09.2026 -- Warenkorb ist EIN Formular: "Zur Kasse" und die Express-Knoepfe schicken
		// es ab (Mengen + Anmerkung werden so mitgespeichert) und das Ziel steht in cart_goto.
		if (isset($_POST['cart_goto']) && $_POST['cart_goto'] !== '') {
			$goto = (string)$_POST['cart_goto'];
			if ($goto === 'kasse') {
				header('Location: /Kasse/');
				exit;
			}
			// 27.09.2026: "Weiter einkaufen" geht ueber das Formular (Mengen werden mitgespeichert),
			// festes Ziel Startseite -- kein offener Redirect.
			if ($goto === 'weiter') {
				header('Location: /');
				exit;
			}
			if (preg_match('/^express:([a-z0-9_]{1,40})$/', $goto, $m)) {
				header('Location: /Kasse/?payment_express_start='.$m[1]);
				exit;
			}
		}
		// Post-Redirect-Get fuer die neue Ansicht: nach Mengen-/Anmerkungsaenderung per GET neu
		// laden, sonst fragt ein Reload "Formular erneut senden" und schickt die Mengen doppelt.
		if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['cart_goto']) && !$this->alte_ansicht()) {
			header('Location: /Warenkorb/');
			exit;
		}
		
		if (isset($_SESSION['customer_info']) && $_SESSION['customer_info']) {
			$this->layout_object->assign('customer_info', $_SESSION['customer_info']);
		}
		
		$data = $this->shoppingcart_object->get_data();

		$this->layout_object->assign('shoppingcart', $data);
		$this->layout_object->assign('shoppingcartVATUsage', $this->base_object->customer_group->show_tax);

		// 14.09.2026: Express-Buttons der Zahlungsanbieter ("Direkt mit PayPal bezahlen").
		// Angezeigt, wenn der Anbieter Express kann und seine Zahlart aktiv ist.
		$this->layout_object->assign('express_providers', $this->express_providers());
		
		// 27.09.2026 -- die neue Ansicht (content_shoppingcart_neu.tpl) ist Standard.
		// Rueckfall auf das alte Template: /Warenkorb/?ansicht=alt (siehe alte_ansicht()).
		if ($this->alte_ansicht()) {
			return $this->layout_object->_fetch('content_shoppingcart.tpl');
		}
		$this->layout_object->assign('site_type', 'full_width'); // ohne Navigation, mehr Breite (Tom, 18.09.)
		return $this->layout_object->_fetch('content_shoppingcart_neu.tpl');
	} // end show_shoppingcart


	/**
	 * Rueckfall auf die alte Warenkorb-/Kassenansicht (27.09.2026, Go-Live der neuen Ansicht):
	 * ?ansicht=alt schaltet fuer die Sitzung auf die alten Templates, ?ansicht=neu hebt das auf.
	 * Haelt ueber die Formular-POSTs hinweg, weil die alten Templates keinen Parameter mitschicken.
	 * Dieselbe Weiche steht in website_cashdesk.php.
	 */
	private function alte_ansicht() {
		if (isset($_GET['ansicht'])) {
			$_SESSION['easyshop']['ansicht_alt'] = ($_GET['ansicht'] === 'alt') ? 1 : 0;
		}
		return !empty($_SESSION['easyshop']['ansicht_alt']);
	}


	/** @return array<int,array{module:string,label:string}> */
	private function express_providers() {
		$out = array();
		$file = $_SERVER['DOCUMENT_ROOT'].'/core/payments/Registry.php';
		if (!is_file($file)) {
			return $out;
		}
		include_once $file;
		$res = $this->base_object->db->query("SELECT module FROM payment_methods WHERE active=1 AND module<>''");
		while ($res && ($row = $res->fetch_object())) {
			$module = (string)$row->module;
			if (!\Payments\Registry::has($module)) {
				continue;
			}
			try {
				$p = \Payments\Registry::get($module, $this->base_object);
				if ($p && $p->supportsExpress()) {
					$out[] = array('module' => $module, 'label' => $p->label());
				}
			} catch (Throwable $e) {
				error_log('Payments express button '.$module.': '.$e->getMessage());
			}
		}
		return $out;
	}

	private function update_shoppingcart() {
		foreach ($_POST['update_item'] as $item => $quantity) {
			if ($quantity > 0) {
				$this->shoppingcart_object->update($item, $quantity);
			} else {
				$this->shoppingcart_object->remove($item);
			}
		}
	} // end update_shoppingcart


	private function add_item() {
		$this->shoppingcart_object->add($_POST['item_id'], $_POST['amount'], $_POST['variant'][1], $_POST['variant'][2]);
		$multiplier = 1;
		if ($this->item_object->is_combination_item()) {
			$multiplier = (int)$_POST['amount'];
		}
			
		if (is_array($_POST['additionalItems'])) {
			foreach ($_POST['additionalItems'] as $addItem) {
				if (is_array($addItem)) {
					$this->shoppingcart_object->add($addItem['id'], ((int)$_POST['amount'] * $multiplier), $addItem['variant_1'], $addItem['variant_2']);
				} else {
					$this->shoppingcart_object->add($addItem, 1);
				}
			}
		}
	} // end add_item


} // end website_shoppingcart

/* EOF */