Reservation.module

<?php
/**
 * Class Reservation
 *
 * Sample reservation module.
 *
 */
class Reservation extends WireData implements Module {

    //------------------------------------
    // Modules information
    // -----------------------------------
    public static function getModuleInfo()
    {
        return array(
            'title' => 'Reservation',
            'version' => 003,
            'summary' => 'Handles reservation process',
            'singular' => false,
            'autoload' => false,
            'requires' => array()
        );
    }

    /**
     * Populate the default config data
     *
     * ProcessWire will automatically overwrite it with anything the user has specifically configured.
     * This is done in construct() rather than init() because ProcessWire populates config data after
     * construct(), but before init().
     *
     */
    public function __construct() {
        foreach(self::getDefaultData() as $key => $value) {
            $this->$key = $value;
        }
    }

    /**
     * Method to initialize the module.
     *
     * While the method is required, if you don't need it, then just leave the implementation blank.
     *
     * This is called after ProcessWire's API is fully ready for use and hooks. It is called at the end of the
     * bootstrap process. This is before PW has started retrieving or rendering a page. If you need to have the
     * API ready with the $page ready as well, then see the ready() method below this one.
     *
     */
    public function init()
    {
        // TODO: Implement init() method.
    }

    static public function getDefaultData() {


        $defaultData = array(
            'confirmationUrlSegment' => "confirmation",
            'completedUrlSegment' 	=> "completed",
            'customThankyou' => 0,
            'noOfChildren' => array(),
            'noOfAdults' => array()
        );

        foreach(self::getDefaultFields() as $key => $arr) {
            if ($arr['defaults']['visible']) $defaultData[$key] = 1;
            $reqKey = $key . 'Required';
            if ($arr['defaults']['required']) $defaultData[$reqKey] = 1;

            $defaultData['label'] = $arr['label'];
        }

        // ----------------------------------------
        // Setting up labels for children drop-down
        // ----------------------------------------
        $maxChildren = 20;
        for($i = 0; $i<=$maxChildren;$i++)
        {
            if ($i === 0) $defaultData['noOfChildren'][] = '0 ' . __('children');
            else if ($i === 1) $defaultData['noOfChildren'][] = '1 ' . __('children');
            else $defaultData['noOfChildren'][] = "{$i} " . __('children');
        }

        // ----------------------------------------
        // Setting up labels for adult drop-down
        // ----------------------------------------
        $maxPeople = 20;
        for($i = 1; $i<=$maxPeople;$i++)
        {
            if ($i === 1) $defaultData['noOfAdults'][$i] = '1 ' . __('person');
            else $defaultData['noOfAdults'][$i] = "{$i} " . __('person');
        }

        return $defaultData;


    }

    static public function getDefaultFields() {

        // ------------------------------
        // Property for required input fields
        // ------------------------------
        $required = array(
            'visible' => 1,
            'required' => 1
        );

        // ------------------------------
        // Properties for optional input fields
        // ------------------------------
        $visible = array(
            'visible' => 1,
            'required' => 0
        );

        // ------------------------------
        // Properties for the hidden input fields
        // ------------------------------
        $hidden = array(
            'visible' => 0,
            'required' => 0
        );

        return array (
            'res_first_name' => array('label' => __('First name'), 'defaults' => $required),
            'res_last_name' => array('label' => __('Last name'), 'defaults' => $required),
            'res_daytime_phone' => array('label' => __('Daytime phone'), 'defaults' => $required),
            'res_email' => array('label' => __('Email'), 'defaults' => $required),
            'res_arrival_date' => array('label' => __('Arrival date'), 'defaults' => $required),
            'res_departure_date' => array('label' => __('Departure date'), 'defaults' => $required),
            'res_no_of_adults' => array('label' => __('Number of adults'), 'defaults' => $required),
            'res_no_of_children' => array('label' => __('Number of children'), 'defaults' => $required),
            'res_comments' => array('label' => __('Comments'), 'defaults' => $visible),
        );
    }

    public function renderReservation() {

        if(!$this->input->urlSegment1) {
            if ($this->input->post->submit) {
                $orderArray = $this->validateInformation(true);
                if($orderArray['valid']) {
                    $orderArray = $this->validateInformation(true);
                    if($orderArray['valid']) {
                        $this->session->redirect("./{$this->confirmationUrlSegment}/");
                    }
                }
            }else if ($this->input->post->reset){
                $this->resetFields();
                $this->session->redirect("./");
            } else {
                $this->validateInformation(false);
            }
            $out = $this->renderReservationForm();

        }
        else if ($this->input->urlSegment1 == $this->confirmationUrlSegment) {
            $out = $this->renderConfirmation();
            if ($this->input->post->submit) {

                $orderArray = $this->session->orderArray;
                $this->sendEmail($orderArray);
                $this->session->remove('orderArray');
                $this->session->redirect("../{$this->completedUrlSegment}/");
            }
        }
        else if ($this->input->urlSegment1 == $this->completedUrlSegment) {
            $out = $this->renderReservationComplete();
        }

        return $out;
    }
    protected function renderReservationForm() {
        //Create delegate template
        $template = new TemplateFile(__DIR__.  "/markup/reservation-form.inc");
        $template->setArray(
            array(
                'title' => $this->_('Order your reservation'),
                'summary' => 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis tincidunt eleifend fringilla. Suspendisse pharetra justo mi, sit amet tincidunt odio porttitor et. Vestibulum posuere lacus a purus posuere molestie sit amet vel nulla',
                'form' => $this->session->orderArray,
                'noOfChildren' => $this->noOfChildren,
                'noOfAdults' => $this->noOfAdults
            )
        );
        //assign the rendered view to content variable to show up on _done.php
        $content = $template->render();
        return $content;
    }

    protected function renderConfirmation() {
        //Create delegate template
        $template = new TemplateFile(__DIR__.  "/markup/confirm-reservation-form.inc");
        $template->setArray(
            array(
                'title' => $this->_('Confirm your details'),
                'summary' => sprintf($this->_('Please confirm your details and click `%s` button to proceed. If you missed something please update your information by clicking `%s`.'), $this->_('Confirm'), $this->_('Edit order')),
                'order' => $this->session->orderArray,
            )
        );
        //assign the rendered view to content variable to show up on _done.php
        $content = $template->render();
        return $content;
    }

    protected function renderReservationComplete(){

        $config = wire('config');

        //Create delegate template
        $template = new TemplateFile(__DIR__.  "/markup/reservation-complete.inc");
        $template->setArray(
            array(
                'order' => $this->session->orderArray,
                'title' => $this->_('Your reservation successful'),
                'summary' => $this->_('Thank you for your order. We will contact you in soon.'),
                'homepage' => $config->urls->root,
            )
        );
        //assign the rendered view to content variable to show up on _done.php
        $content = $template->render();
        return $content;
    }

    public function resetFields() {

        $fields = self::getDefaultFields();
        $orderArray = Array();
        $orderArray['valid'] = true;

        foreach($fields as $key => $field) {

            //--------------------------------------------
            // If not visible field, don't add to array
            //--------------------------------------------
            // if ($this->$key != 1) continue;

            //--------------------------------------------
            // Set the form item type and default to input
            //--------------------------------------------
            if (isset($field['type'])) $orderArray['fields'][$key]['type'] = $field['type'];
            else $orderArray['fields'][$key]['type'] = 'text';

            //--------------------------------------------
            // Set empty value for every field
            //--------------------------------------------
            $orderArray['fields'][$key]['value'] = '';

            //--------------------------------------------
            // Set default label for the field
            //--------------------------------------------
            if (isset($field['label'])) $orderArray['fields'][$key]['label'] = $field['label'];
            else $orderArray['fields'][$key]['label'] = $this->_('No label added');


            $orderArray['fields'][$key]['error'] = '';

            //--------------------------------------------
            // And if we have value saved on session, empty it
            //--------------------------------------------
            if(isset($this->session->orderArray['fields'][$key])) {
                $orderArray['fields'][$key]['value'] = '';
            }
        }
        $this->session->set('orderArray', $orderArray);

    }

    public function validateInformation($validate = true) {

        $fields = self::getDefaultFields();
        $orderArray = Array();
        $orderArray['valid'] = true;

        foreach($fields as $key => $field) {
            //--------------------------------------------
            // If not visible field, don't add to array
            //--------------------------------------------
            // if ($this->$key != 1) continue;

            //--------------------------------------------
            // Set the form item type and default to input
            //--------------------------------------------
            if (isset($field['type'])) $orderArray['fields'][$key]['type'] = $field['type'];
            else $orderArray['fields'][$key]['type'] = 'text';

            //--------------------------------------------
            // Set empty value for every field
            //--------------------------------------------
            $orderArray['fields'][$key]['value'] = '';

            //--------------------------------------------
            // Set default label for the field
            //--------------------------------------------
            if (isset($field['label'])) $orderArray['fields'][$key]['label'] = $field['label'];
            else $orderArray['fields'][$key]['label'] = $this->_('No label added');


            $orderArray['fields'][$key]['error'] = '';

            //--------------------------------------------
            // And if we have value saved on session, update it
            //--------------------------------------------
            if(isset($this->session->orderArray['fields'][$key])) {
                $orderArray['fields'][$key]['value'] = $this->session->orderArray['fields'][$key]['value'];
            }
        }


        if ($validate) {
            foreach($orderArray['fields'] as $key => $field) {

                $reqKey = $key . 'Required';
                $field['value'] = $this->input->post->$key;
                $orderArray['fields'][$key]['value'] = $this->sanitizer->text($field['value']);
                if($key == 'res_email' && !empty($this->input->post->rs_email)) {
                    if($this->sanitizer->email($field['value']) == '') {
                        $orderArray['valid'] = false;
                        $orderArray['fields'][$key]['error'] = $this->_("Email is not in right format.");
                    }
                }
                if ($this->$reqKey && $orderArray['fields'][$key]['value'] == '') {
                    $orderArray['valid'] = false;
                    $orderArray['fields'][$key]['error'] = $orderArray['fields'][$key]['label'] . ' '. $this->_("is a required");
                }
                $this->session->set('orderArray', $orderArray);
            }
        }
        if (!isset($this->session->orderArray['valid'])) $this->session->set('orderArray', $orderArray);

        return $orderArray;
    }

    protected function  ___sendEmail($order) {

        $message = '';
        $fromEmail = 'mearch.com';
        $subject = 'Web reservation request';

        $message = "<html><head></head><body>$message</body></html>";
        $headers = "Content-Type: text/html;";

        if($fromEmail) $headers = "From: $fromEmail\n$headers";

        if (isset($order['fields'])) {
            $message .= "<h3>Web reservation request</h3>";
            $message .= "<table border='1'>";
            foreach ($order['fields'] as $field){
                $message .= "<tr>";
                $message .= "<th>" . $field['label'] ."</th>";
                $message .= "<td>" . $field['value'] ."</td>";
                $message .= "</tr>";
            }
            $message .= "</table>";
        }
        mail($order['fields']['res_email']['value'], $subject, $message, $headers);
    }
}