/**
* @param mixed $handler_id The ID of the handler.
* @param Array $args The argument list.
* @param Array &$data The local request data.
*/
public function _handler_orphan($handler_id, array $args, array &$data)
{
$data['wiki_name'] = $this->_topic->extra;
$data['view_title'] = sprintf($this->_l10n->get('orphaned pages in wiki %s'), $data['wiki_name']);
midcom::get('head')->set_pagetitle($data['view_title']);
$this->_node_toolbar->hide_item('orphans/');
$data['orphans'] = array();
$qb = net_nemein_wiki_wikipage::new_query_builder();
$qb->add_constraint('topic', '=', $this->_topic->id);
$qb->add_constraint('name', '<>', 'index');
$qb->add_order('name');
$wikipages = $qb->execute();
foreach ($wikipages as $wikipage) {
$link_qb = net_nemein_wiki_link_dba::new_query_builder();
$link_qb->add_constraint('topage', '=', $wikipage->title);
$links = $link_qb->count_unchecked();
if ($links == 0) {
$data['orphans'][] = $wikipage;
}
}
$this->add_breadcrumb('orphans/', $data['view_title']);
}
/**
* Caches links in the wiki page into database for faster "what links here" queries
*/
private function _update_link_cache()
{
$parser = new net_nemein_wiki_parser($this);
$links_in_content = $parser->find_links_in_content();
$qb = net_nemein_wiki_link_dba::new_query_builder();
$qb->add_constraint('frompage', '=', $this->id);
$links_in_db = $qb->execute();
$links_matched = array();
// Check links in DB versus links in content to see what needs to be removed
foreach ($links_in_db as $link) {
if (!array_key_exists($link->topage, $links_in_content)) {
// This link is not any more in content, remove
$link->delete();
continue;
}
$links_matched[$link->topage] = $link;
}
// Check links in content versus matched links to see what needs to be added
foreach ($links_in_content as $wikilink => $label) {
if (array_key_exists($wikilink, $links_matched)) {
// This is already in DB, skip
continue;
}
$link = new net_nemein_wiki_link_dba();
$link->frompage = $this->id;
$link->topage = $wikilink;
debug_add("Creating net_nemein_wiki_link_dba: from page #{$link->frompage}, to page: '{$link->topage}'");
$link->create();
}
}
/**
* @param mixed $handler_id The ID of the handler.
* @param Array $args The argument list.
* @param Array &$data The local request data.
*/
public function _handler_whatlinks($handler_id, $args, &$data, $view_mode = true)
{
$this->_load_page($args[0]);
if (!$this->_page) {
throw new midcom_error_notfound('The page ' . $args[0] . ' could not be found.');
}
$this->_load_datamanager();
$this->_populate_toolbar();
$this->_view_toolbar->hide_item("whatlinks/{$this->_page->name}/");
$qb = net_nemein_wiki_link_dba::new_query_builder();
$qb->add_constraint('topage', '=', $this->_page->title);
$data['wikilinks'] = $qb->execute();
}
