/**
* Returns a list with the instructors for the provided course
* or a message indicating there are none.
*
* @since 0.1
*
* @param EPCourse $course
*
* @return string
*/
protected function getInstructorsList(EPCourse $course)
{
$instructors = $course->getInstructors();
if (count($instructors) > 0) {
$instList = array();
foreach ($instructors as $instructor) {
$instList[] = $instructor->getUserLink() . $instructor->getToolLinks($this->getContext(), $course);
}
if (count($instructors) == 1) {
return $instList[0];
} else {
return '<ul><li>' . implode('</li><li>', $instList) . '</li></ul>';
}
} else {
return wfMsgHtml('ep-course-no-instructors');
}
}