NewrequestController.php

<?php

class NewRequestController extends Nmc_Controller_Action
{

    public function __construct()
    {
        parent::__construct();
        $this->_registerPlugin(new Nmc_Controller_Action_Plugin_Authorize());
    }

    public function __destruct()
    {

    }

    public function indexAction()
    {
        return $this->SearchAction();
    }

    public function searchAction()
    {
        $in = $this->_action->getParams();
        if($in[0] != '' && $in[1] != '') {
            return $this->searchResultsAction();
        }

        $out = new Nmc_View();
        $out->page = 'request/search';
        $out->css_files[] = '/css/request/edit_wrapper.css';
        echo $out->render();
    }

    public function searchResultsAction()
    {
        $in = $this->_action->getParams();

        $subject = Zend_Filter::getAlpha($in[0]);
        $courseNumber = Zend_Filter::getDigits($in[1]);
        $courseLetter = Zend_Filter::getAlpha($in[2]);

        $course = CourseCrosslistings::fetchBySubjectNumberLetter($subject,
                                                                  $courseNumber,
                                                                  $courseLetter);

        $out = new Nmc_View();
        $out->subject = $subject;
        $out->courseNumber = $courseNumber;
        $out->courseLetter = $courseLetter;

        if(!$course) {
            // course not found
            $out->page = 'request/create_new_course_ask';
            Nmc_Registry_Session::getInstance()->erase('course');
        } else {
            // course found
            Nmc_Registry_Session::getInstance()->erase('course');
            $out->page = 'request/course_found';
            $parentCourse = $course->getParentCourse();

            $course = clone $parentCourse;

            Nmc_Registry_Session::getInstance()->course = $course;
        }
        echo $out->render();
    }

    public function createAction()
    {