public function execute()
{
$params = $this->extractRequestParams();
if (!(isset($params['username']) xor isset($params['userid']))) {
$this->dieUsage(wfMsg('ep-enlist-invalid-user-args'), 'username-xor-userid');
}
if (isset($params['username'])) {
$user = User::newFromName($params['username']);
$userId = $user->getId();
} else {
$userId = $params['userid'];
}
if ($userId < 1) {
$this->dieUsage(wfMsg('ep-enlist-invalid-user'), 'invalid-user');
}
if (!$this->userIsAllowed($userId)) {
$this->dieUsageMsg(array('badaccess-groups'));
}
$field = $params['role'] === 'instructor' ? 'instructors' : $params['role'] . '_ambs';
$course = EPCourse::selectRow(array('id', 'name', $field), array('id' => $params['courseid']));
if ($course === false) {
$this->dieUsage(wfMsg('ep-enlist-invalid-course'), 'invalid-course');
}
$success = false;
switch ($params['subaction']) {
case 'add':
$success = $course->enlistUsers(array($userId), $params['role'], $params['reason']);
break;
case 'remove':
$success = $course->unenlistUsers(array($userId), $params['role'], $params['reason']);
break;
}
$this->getResult()->addValue(null, 'success', $success);
}
/**
* (non-PHPdoc)
* @see EPPager::getFormattedValue()
*/
public function getFormattedValue($name, $value)
{
switch ($name) {
case 'id':
$value = Linker::linkKnown(SpecialPage::getTitleFor('Term', $value), htmlspecialchars($this->getLanguage()->formatNum($value, true)));
break;
case 'course_id':
$value = EPCourse::selectRow('name', array('id' => $value))->getField('name');
$value = Linker::linkKnown(SpecialPage::getTitleFor('Course', $value), htmlspecialchars($value));
break;
case 'year':
$value = htmlspecialchars($this->getLanguage()->formatNum($value, true));
break;
case 'start':
case 'end':
$value = htmlspecialchars($this->getLanguage()->date($value));
break;
case '_status':
$value = htmlspecialchars(EPTerm::getStatusMessage($this->currentObject->getStatus()));
case 'students':
$value = htmlspecialchars($this->getLanguage()->formatNum($value));
break;
}
return $value;
}
/**
* Main method.
*
* @since 0.1
*
* @param string $subPage
*/
public function execute($subPage)
{
parent::execute($subPage);
$out = $this->getOutput();
if (trim($subPage) === '') {
$this->getOutput()->redirect(SpecialPage::getTitleFor('Courses')->getLocalURL());
} else {
$out->setPageTitle(wfMsgExt('ep-course-title', 'parsemag', $this->subPage));
$course = EPCourse::selectRow(null, array('name' => $this->subPage));
if ($course === false) {
$this->displayNavigation();
if ($this->getUser()->isAllowed('ep-course')) {
$out->addWikiMsg('ep-course-create', $this->subPage);
EPCourse::displayAddNewRegion($this->getContext(), array('name' => $this->subPage));
} else {
$out->addWikiMsg('ep-course-none', $this->subPage);
}
} else {
$links = array();
if ($this->getUser()->isAllowed('ep-course')) {
$links[wfMsg('ep-course-nav-edit')] = SpecialPage::getTitleFor('EditCourse', $this->subPage);
}
$this->displayNavigation($links);
$this->displaySummary($course);
$out->addHTML(Html::element('h2', array(), wfMsg('ep-course-description')));
$out->addHTML($this->getOutput()->parse($course->getField('description')));
$out->addHTML(Html::element('h2', array(), wfMsg('ep-course-terms')));
EPTerm::displayPager($this->getContext(), array('course_id' => $course->getId()));
if ($this->getUser()->isAllowed('ep-course')) {
$out->addHTML(Html::element('h2', array(), wfMsg('ep-course-add-term')));
EPTerm::displayAddNewControl($this->getContext(), array('course' => $course->getId()));
}
}
}
}
/**
* Display info for a single course.
*
* @since 0.1
*
* @param EPStudent $student
* @param string $courseName
*/
protected function displayCourse(EPStudent $student, $courseName)
{
$out = $this->getOutput();
$course = EPCourse::selectRow(null, array('name' => $courseName));
$terms = $student->getTerms(null, array('course_id' => $course->getId()));
if ($course !== false && count($terms) > 0) {
$out->addWikiMsg('ep-mycourses-show-all');
$out->setPageTitle(wfMsgExt('ep-mycourses-course-title', 'parsemag', $courseName, $course->getOrg('name')->getField('name')));
$this->displayCourseSummary($course, $terms);
} else {
$this->showError(wfMessage('ep-mycourses-no-such-course', $courseName));
$this->displayCourses($student);
}
}
/**
* Returns the course associated with this term.
*
* @since 0.1
*
* @param string|array|null $fields
*
* @return EPCourse
*/
public function getCourse($fields = null)
{
if ($this->course === false) {
$this->course = EPCourse::selectRow($fields, array('id' => $this->loadAndGetField('course_id')));
}
return $this->course;
}
protected function displayEnrollment()
{
if ($this->getRequest()->getCheck('enrolled')) {
EPStudent::setReadDb(DB_MASTER);
}
$student = EPStudent::newFromUser($this->getUser());
$courses = $student->getCourses('id');
$courseIds = array_map(function (EPCourse $course) {
return $course->getId();
}, $courses);
if ($this->getRequest()->getCheck('enrolled') && in_array($this->getRequest()->getInt('enrolled'), $courseIds)) {
$course = EPCourse::selectRow(array('name', 'org_id'), array('id' => $this->getRequest()->getInt('enrolled')));
$this->showSuccess(wfMessage('ep-mycourses-enrolled', $course->getField('name'), $course->getOrg()->getField('name')));
}
if (count($courseIds) === 1) {
$course = $courses[0];
$course->loadFields();
$this->displayCourse($course);
} elseif (count($courseIds) > 1) {
$this->getOutput()->addElement('h2', array(), wfMsg('ep-mycourses-enrollment'));
EPCourse::displayPager($this->getContext(), array('id' => $courseIds), true, 'enrollment');
}
}