EventController.php

<?php
require_once 'config/config.php';
require_once 'helpers/SecurityHelper.php';
require_once 'helpers/ModelHelper.php';
require_once 'helpers/HTMLHelper.php';
require_once 'helpers/ApplicationHelper.php';
require_once 'models/Event.php';
require_once 'XNC/Form.php';

class EventController {

    public static function process($action, $errors = null) {

        switch($action) {

            case 'new':
                if (SecurityHelper::reportFailure(SecurityHelper::checkCurrentUserIsSignedIn())) { return; }
                $form = new XNC_Form(array('month' => date('m', time()), 'day' => date('d', time()), 'year' => date('Y', time())));
                include 'views/event/new.php';
                break;

            case 'create':
                if (SecurityHelper::reportFailure(SecurityHelper::checkCurrentUserIsSignedIn())) { return; }
                if ($errors = self::validate()) {
                    self::process('new', $errors);
                    return;
                }
                $event = XN_Content::create('Event');
                self::copyPostVariablesToContentObject($event);
                $event->isPrivate = TRUE;
                $event->save();
                self::addTags($_POST['event:tags'],$event);
                header('Location:/index.php?controller=event&action=view&id=' . $event->id);
                break;

            case 'view':
                $event = XN_Content::load(intval($_GET['id']));
                $event->focus();
                require_once 'models/Comment.php';
                $comment = new Comment($event);
                include 'views/event/view.php';
                break;

            case 'delete':
                $event = XN_Content::load(intval($_GET['id']));
                if (SecurityHelper::reportFailure(SecurityHelper::checkCurrentUserContributedOrIsAppOwner($event))) { return; }
                XN_Content::delete($event);
                header('Location:/index.php?controller=event&action=list');
                break;

            case 'edit':
                $event = XN_Content::load(intval($_GET['id']));
                if (SecurityHelper::reportFailure(SecurityHelper::checkCurrentUserContributedOrIsAppOwner($event))) { return; }
                $form = new XNC_Form(self::formDefaults($event));
                $event->focus();
                $tags = HTMLHelper::popularTagsPlain($event);
                include 'views/event/edit.php';
                break;

            case 'widgetInstructions':
                include 'views/event/widgetInstructions.php';
                break;

            case 'update':
                $event = XN_Content::load(intval($_GET['id']));
                if (SecurityHelper::reportFailure(SecurityHelper::checkCurrentUserContributedOrIsAppOwner($event))) { return; }
                if ($errors = self::validate()) {
                    self::process('edit', $errors);
                    return;
                }
                self::copyPostVariablesToContentObject($event);
                $event->isPrivate = TRUE;
                $event->save();
                self::addTags($_POST['event:tags'],$event);
                header('Location:/index.php?controller=event&action=view&id=' . $event->id);
                break;

            case 'list':
                require_once 'XNC/Calendar.php';
                $month = $_GET['month'] ? $_GET['month'] : date('m', time());
                $year = $_GET['year'] ? $_GET['year'] : date('Y', time());
                $previousMonth = ($month == 1) ? 12 : ($month - 1);
                $previousYear  = ($month == 1) ? ($year - 1) : $year;
                $nextMonth = ($month == 12) ? 1 : ($month + 1);
                $nextYear = ($month == 12) ? ($year + 1) : $year;
                $query = XN_Query::create('Content')
                       ->filter('owner')
                       ->filter('type', 'eic', "Event")
                       ->filter('my->date', '>=', ApplicationHelper::ISO8601Date($year, $month, 1), XN_Attribute::DATE)
                       ->filter('my->date', '<', ApplicationHelper::ISO8601Date($nextYear, $nextMonth, 1), XN_Attribute::DATE);
                $events = $query->;execute();
                $birthdayQuery = XN_Query::create('Content')
                       ->filter('owner')
                       ->filter('type', 'eic', 'Person')
                       // Use intval to strip the leading 0 [Jon Aquino 2006-02-24]
                       ->filter('my->parsedBirthMonth', '=', ''.intval($month));
                foreach ($birthdayQuery->execute() as $person) {
                    $person->my->set('date', ApplicationHelper::ISO8601Date($year, $month, $person->my->parsedBirthDay), XN_Attribute::DATE);
                    $events []= $person;
                }
                $calendar = XNC_Calendar::create($month, $year, $events, 'my->date');
                $monthEventCount = 0;
                for ($i = 1; $i < $calendar->daysInMonth(); $i++) { $monthEventCount += count($calendar->getDayEvents($i)); }
                include 'views/event/list.php';
                break;

            default:
                throw new Exception('Unknown action: ' . $action);

        }
    }
    private static function validate() {
        $errors = ModelHelper::validate('Event');
        if (ApplicationHelper::ISO8601Date($_POST['year'], $_POST['month'], $_POST['day']) === NULL) {
            $errors[] = 'Date must be a valid mm/dd/yyyy date';
        }
        return $errors;
    }
    private static function copyPostVariablesToContentObject($event) {
        ModelHelper::processContent(new Event(), $event);
        $event->my->set('date', ApplicationHelper::ISO8601Date($_POST['year'], $_POST['month'], $_POST['day']), XN_Attribute::DATE);
    }
    private static function formDefaults($event) {
        $defaults = ModelHelper::getDefaultsFromContent(new Event(), $event);
        $defaults['year'] = gmdate('Y', strtotime($event->my->date));
        $defaults['month'] = gmdate('m', strtotime($event->my->date));
        // j not d -- see EXA-1569 [Jon Aquino 2006-03-13]
        $defaults['day'] = gmdate('j', strtotime($event->my->date));
        return $defaults;
    }
    private static function weekend($dayNumber) { return $dayNumber == 1 || $dayNumber == 7; }
    private static function addTags($tags,$event) {
        if (strlen($tags) > 0) {
            try {
                XN_Tag::addTags($event, $tags);
            } catch (Exception $e) {
                // ignore since the tag already exists
            }
        }
    }
}
?>

Event.php

<?php

// Specify the absolute path, as this is included by scripts/api.php [Jon Aquino 2006-03-06]
require_once '/' . XN_Application::load()->relativeUrl . '/helpers/ApplicationHelper.php';

class Event {

    // The variables are simply used to tell ModelHelper the names of the
    // attributes in the content object (its "shape"). They are not actually
    // populated. [Jon Aquino 2005-09-30]
    public $title;
    public $description;
    public $location;
    public $day;
    public $month;
    public $year;

    public function __construct() {
        $this->_rules['title'] = array('required', array('maxlength', 100));
        $this->_rules['description'] = array(array('maxlength', 4000));
        $this->_rules['location'] = array(array('maxlength', 100));
        $this->_rules['day'] = array(array('maxlength', 2));
        $this->_rules['month'] = array(array('maxlength', 2));
        $this->_rules['year'] = array(array('maxlength', 4));
    }

    public static function currentEvents() {
        $today = ApplicationHelper::ISO8601Date(date('Y', time()), date('m', time()), date('d', time()));
        if ($_GET['currentEventsTestDate']) {
            $currentEventsTestDate = split(',', $_GET['currentEventsTestDate']);
            $today = ApplicationHelper::ISO8601Date($currentEventsTestDate[0], $currentEventsTestDate[1], $currentEventsTestDate[2]);
        }
        $n = 4;
        $currentEvents = XN_Query::create('Content')
            ->filter('type','=','Event')
            ->filter('owner')
            ->filter('my->date', '>=', $today, XN_Attribute::DATE)
            ->end($n)
            ->order('my->date', 'asc', XN_Attribute::DATE)
            ->execute();       
        if (count($currentEvents) < $n) {
            $recentEvents = XN_Query::create('Content')
                ->filter('type','=','Event')
                ->filter('owner')
                ->filter('my->date', '<', $today, XN_Attribute::DATE)
                ->end($n - count($currentEvents))
                ->order('my->date', 'desc', XN_Attribute::DATE)
                ->execute();    
            $currentEvents = array_merge(array_reverse($recentEvents), $currentEvents);
        }
        return $currentEvents;
    }

}

event/view.php

<?php
require_once 'helpers/HTMLHelper.php';
HTMLHelper::displayErrors($errors); ?>
<h2><?php echo XN_Application::load()->name ?> Events</h2>
<form id="form" name="form" method="POST" action="/index.php?controller=event&amp;action=create&amp;">
<h3>Add your event!</h3>
<fieldset>
    <dl>
        <?php
        include '_form.php' ?>
    </dl>
 </fieldset>
 <p class="align-right"><input src="/images/but/addevent.gif" alt="Add Event" type="image"></p>
</form>