index.php

<pre>
<?php
require_once __DIR__.'/vendor/autoload.php';

use Example\Order\Process\Postpayment;
use Example\Order\ProcessConstants;
use Example\Order\EventConstants;
use Example\Order\Order;
use Example\Order\Process\Prepayment;
use Metabor\NamedCollection;

$processes = new NamedCollection();
$processes->add(new Prepayment());
$processes->add(new Postpayment());

$orders = array();
$orders['PREPAYMENT 1'] = new Order('PREPAYMENT 1', $processes->get(ProcessConstants::PROCESS_PREPAYMENT));
$orders['PREPAYMENT 2'] = new Order('PREPAYMENT 2', $processes->get(ProcessConstants::PROCESS_PREPAYMENT));
$orders['POSTPAYMENT 1'] = new Order('POSTPAYMENT 1', $processes->get(ProcessConstants::PROCESS_POSTPAYMENT));
$orders['POSTPAYMENT 2'] = new Order('POSTPAYMENT 2', $processes->get(ProcessConstants::PROCESS_POSTPAYMENT));

echo '============================================================='.PHP_EOL;
echo 'all created orders have the status "new"'.PHP_EOL;
echo '============================================================='.PHP_EOL;
foreach ($orders as $order) {
    echo $order.' has status '.$order->getCurrentStateName().PHP_EOL;
    echo 'possible events: '.implode(', ', $order->getEventNames()).PHP_EOL;
    echo '-------------------------------------------------------------'.PHP_EOL;
}

echo '============================================================='.PHP_EOL;
echo 'now we are authorizing all orders if possible'.PHP_EOL;
echo '============================================================='.PHP_EOL;
foreach ($orders as $order) {
    echo $order.' has status '.$order->getCurrentStateName().PHP_EOL;
    if ($order->hasEvent(EventConstants::EVENT_AUTHORIZE)) {
        $order->triggerEvent(EventConstants::EVENT_AUTHORIZE);
        echo $order.' has status '.$order->getCurrentStateName().PHP_EOL;
    }

    if ($order->hasEvent(EventConstants::EVENT_PAID)) {
        $order->triggerEvent(EventConstants::EVENT_PAID);
        echo $order.' has status '.$order->getCurrentStateName().PHP_EOL;
    }

    echo '-------------------------------------------------------------'.PHP_EOL;
}

echo '============================================================='.PHP_EOL;
echo 'now we are shipping all orders if possible'.PHP_EOL;
echo '============================================================='.PHP_EOL;
foreach ($orders as $order) {
    echo $order.' has status '.$order->getCurrentStateName().PHP_EOL;
    if ($order->hasEvent(EventConstants::EVENT_SHIPPING)) {
        $order->triggerEvent(EventConstants::EVENT_SHIPPING);
        echo $order.' has status '.$order->getCurrentStateName().PHP_EOL;
    }

    echo '-------------------------------------------------------------'.PHP_EOL;
}

echo '============================================================='.PHP_EOL;
echo 'now all orders will be returned'.PHP_EOL;
echo '============================================================='.PHP_EOL;

foreach ($orders as $order) {
    $eventName = EventConstants::EVENT_RETURNED;
    echo $order.' has status '.$order->getCurrentStateName().PHP_EOL;
    try {
        $order->triggerEvent($eventName);
    } catch (Exception $e) {
        echo 'Triggering the event "'.EventConstants::EVENT_RETURNED.'" on order "'.$order
                .'" throws an error: '.$e->getMessage().PHP_EOL;
    }
    echo $order.' has status '.$order->getCurrentStateName().PHP_EOL;
    echo '-------------------------------------------------------------'.PHP_EOL;
}

?>
</pre>