/**
* Pre-Markup rule. Recognizes mentions in blubber as @username or @"Firstname lastname"
* and turns them into usual studip-links. The mentioned person is notified by
* sending a message to him/her as a side-effect.
* @param StudipTransformFormat $markup
* @param array $matches
* @return string
*/
public static function mention($markup, $matches)
{
$mention = $matches[1];
$posting = new BlubberPosting(self::$mention_posting_id);
$username = stripslashes(substr($mention, 1));
if ($username[0] !== '"') {
$user = BlubberUser::findByUsername($username);
if (!$user) {
$user = BlubberExternalContact::findByEmail($username);
}
} else {
$name = substr($username, 1, strlen($username) - 2);
$statement = DBManager::get()->prepare("SELECT user_id FROM auth_user_md5 WHERE CONCAT(Vorname, ' ', Nachname) = :name " . "");
$statement->execute(array('name' => $name));
$user_id = $statement->fetch(PDO::FETCH_COLUMN, 0);
if ($user_id) {
$user = new BlubberUser($user_id);
} else {
$statement = DBManager::get()->prepare("SELECT external_contact_id FROM blubber_external_contact WHERE name = ? " . "");
$statement->execute(array($name));
$user_id = $statement->fetch(PDO::FETCH_COLUMN, 0);
$user = BlubberExternalContact::find($user_id);
}
}
if ($user && !$posting->isNew() && $user->getId() && $user->getId() !== $GLOBALS['user']->id) {
$user->mention($posting);
$statement = DBManager::get()->prepare("INSERT IGNORE INTO blubber_mentions " . "SET user_id = :user_id, " . "topic_id = :topic_id, " . "external_contact = :extern, " . "mkdate = UNIX_TIMESTAMP() " . "");
$statement->execute(array('user_id' => $user->getId(), 'topic_id' => $posting['root_id'], 'extern' => is_a($user, "BlubberExternalContact") ? 1 : 0));
return '[' . $user->getName() . ']' . $user->getURL() . ' ';
} else {
return $markup->quote($matches[0]);
}
}
public function comment_action()
{
$context = Request::option("context");
$thread = new ForumPosting(Request::option("thread"));
if ($thread['context_type'] === "course") {
$seminar = new Seminar($context);
if ($seminar->write_level > 0 && !$GLOBALS['perm']->have_studip_perm("autor", $context)) {
throw new AccessDeniedException("Kein Zugriff");
}
}
ForumPosting::$course_hashes = $thread['context_type'] === "course" ? $thread['Seminar_id'] : false;
if (Request::option("thread") && $thread['Seminar_id'] === $context) {
$output = array();
$posting = new ForumPosting();
ForumPosting::$mention_thread_id = $thread->getId();
StudipTransformFormat::addStudipMarkup("mention1", '@\\"[^\\n\\"]*\\"', "", "ForumPosting::mention");
StudipTransformFormat::addStudipMarkup("mention2", '@[^\\s]*[\\d\\w_]+', "", "ForumPosting::mention");
$content = transformBeforeSave(studip_utf8decode(Request::get("content")));
//mentions einbauen:
$content = preg_replace("/(@\"[^\n\"]*\")/e", "ForumPosting::mention('\\1', '" . $thread->getId() . "')", $content);
$content = preg_replace("/(@[^\\s]+)/e", "ForumPosting::mention('\\1', '" . $thread->getId() . "')", $content);
$posting['description'] = $content;
$posting['context_type'] = $thread['context_type'];
$posting['seminar_id'] = $thread['Seminar_id'];
$posting['root_id'] = $posting['parent_id'] = Request::option("thread");
$posting['name'] = "Re: " . $thread['name'];
if ($GLOBALS['user']->id !== "nobody") {
$posting['user_id'] = $GLOBALS['user']->id;
$posting['author'] = get_fullname();
} else {
if (Request::get("anonymous_security") === $_SESSION['blubber_anonymous_security']) {
$contact_user = BlubberExternalContact::findByEmail(Request::get("anonymous_email"));
$_SESSION['anonymous_email'] = Request::get("anonymous_email");
$_SESSION['anonymous_name'] = $contact_user['name'] = Request::get("anonymous_name");
$contact_user->store();
$posting['user_id'] = $contact_user->getId();
$posting['external_contact'] = 1;
$posting['author'] = Request::get("anonymous_name");
} else {
throw new AccessDeniedException("No permission to write posting.");
}
}
$posting['author_host'] = $_SERVER['REMOTE_ADDR'];
if ($posting->store()) {
$factory = new Flexi_TemplateFactory($this->plugin->getPluginPath() . "/views/forum");
$template = $factory->open("comment.php");
$template->set_attribute('posting', $posting);
$template->set_attribute('course_id', $thread['Seminar_id']);
$output['content'] = studip_utf8encode($template->render($template->render()));
$output['mkdate'] = time();
$output['posting_id'] = $posting->getId();
//Notifications:
if (class_exists("PersonalNotifications")) {
$user_ids = array();
if ($thread['user_id'] && $thread['user_id'] !== $GLOBALS['user']->id) {
$user_ids[] = $thread['user_id'];
}
foreach ((array) $thread->getChildren() as $comment) {
if ($comment['user_id'] && $comment['user_id'] !== $GLOBALS['user']->id && !$comment['external_contact']) {
$user_ids[] = $comment['user_id'];
}
}
$user_ids = array_unique($user_ids);
PersonalNotifications::add($user_ids, PluginEngine::getURL($this->plugin, array('cid' => $thread['context_type'] === "course" ? $thread['Seminar_id'] : null), "forum/thread/" . $thread->getId()), get_fullname() . " hat einen Kommentar geschrieben", "posting_" . $posting->getId(), Avatar::getAvatar($GLOBALS['user']->id)->getURL(Avatar::MEDIUM));
}
}
$this->render_json($output);
} else {
$this->render_json(array('error' => "Konnte thread nicht zuordnen."));
}
}
/**
* Edits the content of a blubber. Sends a message of the change to the author, if the editing user is not
* the author of the blubber, to inform him/her about the change.
* If the content is empty the blubber is going to be deleted, because we don't want empty
* blubber in the system.
*
* @put /blubber/posting/:blubber_id
* @put /blubber/comment/:blubber_id
*
* @param string $blubber_id
*
* @param string content new content for the blubber
*/
public function editBlubberPosting($blubber_id)
{
if (!strlen(trim($this->data['content']))) {
$this->error(400, 'No content provided');
}
$blubber = new \BlubberPosting($blubber_id);
$this->requireWriteAccessTo($blubber);
if ($this->requestedRouteMatches('/posting/') xor $blubber->isThread()) {
$this->notFound();
}
$old_content = $blubber['description'];
\BlubberPosting::$mention_posting_id = $blubber->getId();
\StudipTransformFormat::addStudipMarkup("mention1", '@\\"[^\\n\\"]*\\"', "", "\\BlubberPosting::mention");
\StudipTransformFormat::addStudipMarkup("mention2", '@[^\\s]*[\\d\\w_]+', "", "\\BlubberPosting::mention");
$content = \transformBeforeSave($this->data['content']);
$blubber['name'] = $blubber['description'] = $content;
$blubber->store();
if ($blubber['user_id'] !== $GLOBALS['user']->id) {
$this->sendEditMail($blubber, sprintf(_("%s hat als Moderator gerade Ihren Beitrag im Blubberforum editiert.\n\nDie alte Version des Beitrags lautete:\n\n%s\n\nDie neue lautet:\n\n%s\n"), get_fullname(), $old_content, $blubber['description']), _("Änderungen an Ihrem Posting."));
}
$this->status(204);
}
/**
* Writes a comment on a thread and outputs the metadata of new comment as json.
* @throws AccessDeniedException
*/
public function comment_action()
{
if (!Request::isPost()) {
throw new Exception("GET not supported");
}
$context = Request::option("context");
$thread = new BlubberPosting(Request::option("thread"));
if ($thread['context_type'] === "course" && $GLOBALS['SessSemName']['class'] === "sem") {
$seminar = new Seminar($context);
if ($seminar->write_level > 0 && !$GLOBALS['perm']->have_studip_perm("autor", $context)) {
throw new AccessDeniedException();
}
}
BlubberPosting::$course_hashes = $thread['context_type'] === "course" ? $thread['Seminar_id'] : false;
if (!$thread->isNew() && $thread['Seminar_id'] === $context) {
$output = array();
$posting = new BlubberPosting();
$posting['context_type'] = $thread['context_type'];
$posting['seminar_id'] = $thread['Seminar_id'];
$posting['root_id'] = $posting['parent_id'] = $thread->getId();
$posting['name'] = "Re: " . $thread['name'];
if ($GLOBALS['user']->id !== "nobody") {
$posting['user_id'] = $GLOBALS['user']->id;
} else {
if (Request::get("anonymous_security") === $_SESSION['blubber_anonymous_security']) {
$contact_user = BlubberExternalContact::findByEmail(Request::get("anonymous_email"));
$_SESSION['anonymous_email'] = Request::get("anonymous_email");
$_SESSION['anonymous_name'] = $contact_user['name'] = Request::get("anonymous_name");
$contact_user->store();
$posting['user_id'] = $contact_user->getId();
$posting['external_contact'] = 1;
} else {
throw new AccessDeniedException("No permission to write posting.");
}
}
$posting['author_host'] = $_SERVER['REMOTE_ADDR'];
$posting['description'] = studip_utf8decode(Request::get("content"));
$posting->store();
BlubberPosting::$mention_posting_id = $posting->getId();
StudipTransformFormat::addStudipMarkup("mention1", '@\\"[^\\n\\"]*\\"', null, "BlubberPosting::mention");
StudipTransformFormat::addStudipMarkup("mention2", '@[^\\s]*[\\d\\w_]+', null, "BlubberPosting::mention");
$content = transformBeforeSave(studip_utf8decode(Request::get("content")));
$posting['description'] = $content;
$posting->store();
$factory = new Flexi_TemplateFactory($this->plugin->getPluginPath() . "/views/streams");
$template = $factory->open("comment.php");
$template->set_attribute('posting', $posting);
$template->set_attribute('course_id', $thread['Seminar_id']);
$output['content'] = $template->render($template->render());
$output['mkdate'] = time();
$output['posting_id'] = $posting->getId();
//Notifications:
$user_ids = array();
if ($thread['user_id'] && $thread['user_id'] !== $GLOBALS['user']->id) {
$user_ids[] = $thread['user_id'];
}
foreach ((array) $thread->getChildren() as $comment) {
if ($comment['user_id'] && $comment['user_id'] !== $GLOBALS['user']->id && !$comment['external_contact']) {
$user_ids[] = $comment['user_id'];
}
}
$user_ids = array_unique($user_ids);
foreach ($user_ids as $user_id) {
setTempLanguage($user_id);
$avatar = Visibility::verify('picture', $GLOBALS['user']->id, $user_id) ? Avatar::getAvatar($GLOBALS['user']->id) : Avatar::getNobody();
PersonalNotifications::add($user_id, PluginEngine::getURL($this->plugin, array('cid' => $thread['context_type'] === "course" ? $thread['Seminar_id'] : null), "streams/thread/" . $thread->getId()), sprintf(_("%s hat einen Kommentar geschrieben"), get_fullname()), "posting_" . $posting->getId(), $avatar->getURL(Avatar::MEDIUM));
restoreLanguage();
}
$this->render_json($output);
} else {
$this->render_json(array('error' => "Konnte thread nicht zuordnen."));
}
}
/**
* Apply StudipTransformFormat rules to marked-up text.
*
* @param string $text Marked-up text.
* @return string HTML code computed by applying markup-rules.
*/
function transformBeforeSave($text)
{
$markup = new StudipTransformFormat();
return $markup->format($text);
}
/**
* Write a new/edited wiki page to database
*
* @param string keyword WikiPage name
* @param string version WikiPage version
* @param string body WikiPage text
* @param string user_id Internal user id of editor
* @param string range_id Internal id of seminar/einrichtung
*
**/
function submitWikiPage($keyword, $version, $body, $user_id, $range_id) {
releasePageLocks($keyword, $user_id); // kill lock that was set when starting to edit
// write changes to db, show new page
$latestVersion=getWikiPage($keyword,false);
if ($latestVersion) {
$date=time();
$lastchange = $date - $latestVersion['chdate'];
}
StudipTransformFormat::addStudipMarkup('wiki-comments', '(\[comment\])', null, function(){return sprintf('[comment=%s]', get_fullname());});
//TODO: Die $message Texte klingen fürchterlich. Halbsätze, Denglisch usw...
if ($latestVersion && ($latestVersion['body'] == $body)) {
$message = MessageBox::info(_('Keine Änderung vorgenommen.'));
PageLayout::postMessage($message);
} else if ($latestVersion && ($version !== null) && ($lastchange < 30*60) && ($user_id == $latestVersion['user_id'])) {
// if same author changes again within 30 minutes, no new verison is created
NotificationCenter::postNotification('WikiPageWillUpdate', array($range_id, $keyword));
// apply replace-before-save transformations
$body = transformBeforeSave($body);
$query = "UPDATE wiki
SET body = ?, chdate = UNIX_TIMESTAMP()
WHERE keyword = ? AND range_id = ? AND version = ?";
$statement = DBManager::get()->prepare($query);
$statement->execute(array($body, $keyword, $range_id, $version));
NotificationCenter::postNotification('WikiPageDidUpdate', array($range_id, $keyword));
} else {
if ($version === null) {
$version=0;
} else {
$version=$latestVersion['version']+1;
}
NotificationCenter::postNotification('WikiPageWillCreate', array($range_id, $keyword));
// apply replace-before-save transformations
$body = transformBeforeSave($body);
$query = "INSERT INTO wiki (range_id, user_id, keyword, body, chdate, version)
VALUES (?, ?, ?, ?, UNIX_TIMESTAMP(), ?)";
$statement = DBManager::get()->prepare($query);
$statement->execute(array($range_id, $user_id, $keyword, $body, $version));
NotificationCenter::postNotification('WikiPageDidCreate', array($range_id, $keyword));
}
StudipTransformFormat::removeStudipMarkup('wiki-comments');
refreshBacklinks($keyword, $body);
}
