PHP Skill::userCanAddFeedbackToUser示例

$entityManager = Database::getManager();
$skillIssue = $entityManager->find('ChamiloCoreBundle:SkillRelUser', $_REQUEST['issue']);
if (!$skillIssue) {
    Display::addFlash(Display::return_message(get_lang('NoResults'), 'error'));
    header('Location: ' . api_get_path(WEB_PATH));
    exit;
}
if ($skillIssue->getUser()->getId() !== intval($_REQUEST['user'])) {
    Display::addFlash(Display::return_message(get_lang('NoResults'), 'error'));
    header('Location: ' . api_get_path(WEB_PATH));
    exit;
}
$currentUserId = api_get_user_id();
$currentUser = $entityManager->find('ChamiloUserBundle:User', $currentUserId);
$allowExport = $currentUser ? $currentUser->getId() === $skillIssue->getUser()->getId() : false;
$allowComment = $currentUser ? Skill::userCanAddFeedbackToUser($currentUser, $skillIssue->getUser()) : false;
$skillIssueDate = api_get_local_time($skillIssue->getAcquiredSkillAt());
$skillIssueInfo = ['id' => $skillIssue->getId(), 'datetime' => api_format_date($skillIssueDate, DATE_TIME_FORMAT_SHORT), 'argumentation' => $skillIssue->getArgumentation(), 'source_name' => $skillIssue->getSourceName(), 'user_id' => $skillIssue->getUser()->getId(), 'user_complete_name' => $skillIssue->getUser()->getCompleteName(), 'skill_badge_image' => $skillIssue->getSkill()->getWebIconPath(), 'skill_name' => $skillIssue->getSkill()->getName(), 'skill_short_code' => $skillIssue->getSkill()->getShortCode(), 'skill_description' => $skillIssue->getSkill()->getDescription(), 'skill_criteria' => $skillIssue->getSkill()->getCriteria(), 'badge_asserion' => [$skillIssue->getAssertionUrl()], 'comments' => [], 'feedback_average' => $skillIssue->getAverage()];
$skillIssueComments = $skillIssue->getComments(true);
foreach ($skillIssueComments as $comment) {
    $commentDate = api_get_local_time($comment->getFeedbackDateTime());
    $skillIssueInfo['comments'][] = ['text' => $comment->getFeedbackText(), 'value' => $comment->getFeedbackValue(), 'giver_complete_name' => $comment->getFeedbackGiver()->getCompleteName(), 'datetime' => api_format_date($commentDate, DATE_TIME_FORMAT_SHORT)];
}
$form = new FormValidator('comment');
$form->addTextarea('comment', get_lang('NewComment'), ['rows' => 4]);
$form->applyFilter('comment', 'trim');
$form->addRule('comment', get_lang('ThisFieldIsRequired'), 'required');
$form->addSelect('value', [get_lang('Value'), get_lang('RateTheSkillInPractice')], ['-', 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
$form->addHidden('user', $skillIssue->getUser()->getId());
$form->addHidden('issue', $skillIssue->getId());
$form->addButtonSend(get_lang('Send'));