AppStateESS/homestead

<?php

namespace Homestead\Command;

use \Homestead\CommandFactory;
use \Homestead\StudentFactory;
use \Homestead\Term;
use \Homestead\NotificationView;
use \Homestead\Exception\PermissionException;
use \Homestead\Exception\StudentNotFoundException;

class StartCheckinSubmitCommand extends Command {

    public function getRequestVars()
    {
        return array (
                'action' => 'StartCheckinSubmit'
        );
    }

    public function execute(CommandContext $context)
    {
        // Check permissions
        if (!\Current_User::allow('hms', 'checkin')) {
            throw new PermissionException('You do not have permission to checkin students.');
        }

        $term = Term::getCurrentTerm();

        $bannerId = $context->get('banner_id');
        $hallId = $context->get('residence_hall_hidden');

        $errorCmd = CommandFactory::getCommand('ShowCheckinStart');

        if (!isset($bannerId) || is_null($bannerId) || $bannerId == '') {
            \NQ::simple('hms', NotificationView::ERROR, 'Missing Banner ID.');
            $errorCmd->redirect();
        }

        if (!isset($hallId)) {
            \NQ::simple('hms', NotificationView::ERROR, 'Missing residence hall ID.');
            $errorCmd->redirect();
        }

        if (preg_match("/^[\d]{9}$/", $bannerId) == false) {
            \NQ::simple('hms', NotificationView::ERROR, "Sorry, that didn't look like a valid ID number. Please try again.");
            $errorCmd->redirect();
        }

        // Try to lookup the student in Banner
        try {
            StudentFactory::getStudentByBannerId($bannerId, $term);
        } catch (StudentNotFoundException $e) {
            \NQ::simple('hms', NotificationView::ERROR, 'Could not locate a student with that Banner ID.');
            $errorCmd->redirect();
        }

        // Everything checks out, so redirect to the form
        $cmd = CommandFactory::getCommand('ShowCheckinForm');
        $cmd->setBannerId($bannerId);
        $cmd->setHallId($hallId);
        $cmd->redirect();
    }
}