<?php


class App_Doc_Acl
{
    public static function requireReportAccess()
    {
        if (!App_Doc_Acl::hasReportAccess()) {
            App_Doc_Acl::showForbidden();
        }
    }

    public static function requireReportSummaryAccess()
    {
        if (!App_Doc_Acl::hasReportSummaryAccess()) {
            App_Doc_Acl::showForbidden();
        }
    }

    public static function requireDirectorFileAccess()
    {
        if (!App_Doc_Acl::hasDirectorFileAccess()) {
            App_Doc_Acl::showForbidden();
        }
    }

    public static function requireLessonAccess()
    {
        if (!App_Doc_Acl::hasLessonAccess()) {
            App_Doc_Acl::showForbidden();
        }
    }

    public static function hasReportAccess()
    {
        $doc = App_Doc_Acl::getDoc();
        if ($doc instanceof App_Doc_Admin) {
            return true;
        } else {
            return App_User_Auth::getInstance()->getData('reportsAccess') === 'y';
        }
    }

    public static function hasDirectorFileAccess()
    {
        $doc = App_Doc_Acl::getDoc();
        if ($doc instanceof App_Doc_Admin) {
            return true;
        } else {
            return App_User_Auth::getInstance()->getData('directorAccess') === 'y';
        }
    }


    public static function hasReportSummaryAccess()
    {
        $doc = App_Doc_Acl::getDoc();
        if ($doc instanceof App_Doc_Admin) {
            return true;
        } else {
            return App_User_Auth::getInstance()->getData('viewAllReports') === 'y';
        }
    }

    public static function hasLessonAccess()
    {
        $doc = App_Doc_Acl::getDoc();
        if ($doc instanceof App_Doc_Admin) {
            return true;
        } else {
            return App_User_Auth::getInstance()->getData('lessonsAccess') === 'y';
        }
    }

    public static function showForbidden()
    {
        App_Doc_Acl::getDoc()->display404();
    }

    /**
     * @return Qs_Doc
     */
    protected static function getDoc()
    {
        return Zend_Registry::get('doc');
    }
}