<?php

/**
 * Helper class to load stuff
 *
 * @author fpvanagthoven
 */
class Loader {

    /**
     *
     * @return array Array of Surveys with id and title
     */
    public static function loadSurveys() {
        $surveys = array();

        $surveyDBI = new SurveyCreationDatabaseInterface(null);
        $surveyIDTitles = $surveyDBI->getExistingSurveys();

        foreach ($surveyIDTitles as $id => $title) {
            $survey = new Survey($id, $title);
            array_push($surveys, $survey);
        }
        
        return $surveys;
    }
    
    public static function loadApplications()
    {
        $applications = array();
        
        $applicationDBI = new ApplicationDatabaseInterface(null);
        $applicationTitles = $applicationDBI->getExistingApplications();
        
        foreach ($applicationTitles as $id => $title) {
            $application = new Application($id, $title);
            array_push($applications, $application);
        }
        
        return $applications;
    }
    
    public static function loadSessions()
    {
        $sessions = array();
        
        $sessionDBI = new SessionCreationDatabaseInterface(null);
        $sessionTitles = $sessionDBI->getExistingSessions();
        
        foreach ($sessionIDTitles as $id => $title) {
            $session = new Application($id, $title);
            array_push($sessions, $session);
        }
        
        return $sessions;
    }

}

?>