/**
* Simple helper which references all important members to the request data listing
* for usage within the style listing.
*/
private function _prepare_request_data()
{
$this->_request_data['article'] =& $this->_article;
$this->_request_data['datamanager'] =& $this->_datamanager;
// Populate the toolbar
if ($this->_article->can_do('midgard:update')) {
$this->_view_toolbar->add_item(array(MIDCOM_TOOLBAR_URL => "edit/{$this->_article->guid}/", MIDCOM_TOOLBAR_LABEL => $this->_l10n_midcom->get('edit'), MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/edit.png', MIDCOM_TOOLBAR_ACCESSKEY => 'e'));
}
$article = $this->_article;
if ($this->_article->topic !== $this->_content_topic->id) {
$qb = net_nehmer_blog_link_dba::new_query_builder();
$qb->add_constraint('topic', '=', $this->_content_topic->id);
$qb->add_constraint('article', '=', $this->_article->id);
if ($qb->count() === 1) {
// Get the link
$results = $qb->execute_unchecked();
$article = $results[0];
}
}
if ($article->can_do('midgard:delete')) {
$this->_view_toolbar->add_item(array(MIDCOM_TOOLBAR_URL => "delete/{$this->_article->guid}/", MIDCOM_TOOLBAR_LABEL => $this->_l10n_midcom->get('delete'), MIDCOM_TOOLBAR_ICON => 'stock-icons/16x16/trash.png', MIDCOM_TOOLBAR_ACCESSKEY => 'd'));
}
}
/**
* Internal helper method, which will check if the delete request has been
* confirmed
*/
private function _process_delete()
{
if (isset($_POST['f_cancel'])) {
midcom::get('uimessages')->add($this->_l10n->get('net.nehmer.blog'), $this->_l10n->get('delete cancelled'));
// Redirect to view page.
if ($this->_config->get('view_in_url')) {
midcom::get()->relocate("view/{$this->_article->name}/");
} else {
midcom::get()->relocate("{$this->_article->name}/");
}
// This will exit
}
if (!isset($_POST['f_delete'])) {
return;
}
// Delete the link
if ($this->_link->delete()) {
midcom::get('uimessages')->add($this->_l10n->get('net.nehmer.blog'), $this->_l10n->get('blog link deleted'));
midcom::get()->relocate('');
// This will exit
} else {
throw new midcom_error($this->_l10n->get('failed to delete the blog link, contact the site administrator'));
}
}
/**
* Sets the constraints for QB for articles, supports article links etc..
*
* @param midgard_query_builder $qb reference to the QB object
* @param array $data reference to the request_data array
*/
public static function article_qb_constraints(&$qb, &$data, $handler_id)
{
$config =& $data['config'];
// GUIDs of topics to list articles from.
$guids_array = array();
$guids_array[] = $data['content_topic']->guid;
// Resolve any other topics we may need
$list_from_folders = $config->get('list_from_folders');
if ($list_from_folders) {
// We have specific folders to list from, therefore list from them and current node
$guids = explode('|', $config->get('list_from_folders'));
foreach ($guids as $guid) {
if (!$guid || !mgd_is_guid($guid)) {
// Skip empty and broken guids
continue;
}
$guids_array[] = $guid;
}
}
/**
* Ref #1776, expands GUIDs before adding them as constraints, should save query time
*/
$topic_ids = array();
$topic_ids[] = $data['content_topic']->id;
if (!empty($guids_array)) {
$mc = midcom_db_topic::new_collector('metadata.deleted', false);
$mc->add_constraint('guid', 'IN', $guids_array);
$topic_ids = $mc->get_values('id');
unset($mc);
}
// Include the article links to the indexes if enabled
if ($config->get('enable_article_links')) {
$mc = net_nehmer_blog_link_dba::new_collector('topic', $data['content_topic']->id);
$mc->add_constraint('topic', '=', $data['content_topic']->id);
$mc->add_order('metadata.published', 'DESC');
$mc->set_limit((int) $config->get('index_entries'));
// Get the results
$mc->execute();
$links = $mc->get_values('article');
$qb->begin_group('OR');
$qb->add_constraint('id', 'IN', $links);
$qb->add_constraint('topic', 'IN', $topic_ids);
$qb->end_group();
} else {
$qb->add_constraint('topic', 'IN', $topic_ids);
}
if (count($topic_ids) > 1 && ($list_from_folders_categories = $config->get('list_from_folders_categories'))) {
// TODO: check schema storage to get fieldname
$multiple_categories = true;
if (isset($data['schemadb']['default']) && isset($data['schemadb']['default']->fields['list_from_folders_categories']) && array_key_exists('allow_multiple', $data['schemadb']['default']->fields['list_from_folders_categories']['type_config']) && !$data['schemadb']['default']->fields['list_from_folders_categories']['type_config']['allow_multiple']) {
$multiple_categories = false;
}
debug_add("multiple_categories={$multiple_categories}");
$qb->begin_group('OR');
$list_from_folders_categories = explode(',', $list_from_folders_categories);
$is_content_topic = true;
foreach ($topic_ids as $topic_id) {
if ($is_content_topic) {
$qb->add_constraint('topic', '=', $topic_id);
$is_content_topic = false;
continue;
}
$qb->begin_group('AND');
$qb->add_constraint('topic', '=', $topic_id);
$qb->begin_group('OR');
foreach ($list_from_folders_categories as $category) {
if ($category = trim($category)) {
if ($multiple_categories) {
$qb->add_constraint('extra1', 'LIKE', "%|{$category}|%");
} else {
$qb->add_constraint('extra1', '=', $category);
}
}
}
$qb->end_group();
$qb->end_group();
}
$qb->end_group();
}
// Hide the articles that have the publish time in the future and if
// the user is not administrator
if ($config->get('enable_scheduled_publishing') && !midcom::get('auth')->admin) {
// Show the article only if the publishing time has passed or the viewer
// is the author
$qb->begin_group('OR');
$qb->add_constraint('metadata.published', '<', gmdate('Y-m-d H:i:s'));
if (midcom::get('auth')->user && isset(midcom::get('auth')->user->guid)) {
$qb->add_constraint('metadata.authors', 'LIKE', '|' . midcom::get('auth')->user->guid . '|');
}
$qb->end_group();
}
$qb->add_constraint('up', '=', 0);
}
/**
* Displays an article delete confirmation view.
*
* Note, that the article for non-index mode operation is automatically determined in the can_handle
* phase.
*
* If create privileges apply, we relocate to the index creation article
*
* @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_delete($handler_id, array $args, array &$data)
{
$this->_article = new midcom_db_article($args[0]);
// Relocate to delete the link instead of the article itself
if ($this->_article->topic !== $this->_content_topic->id) {
return new midcom_response_relocate("delete/link/{$args[0]}/");
}
$this->_article->require_do('midgard:delete');
$this->_load_datamanager();
if (array_key_exists('net_nehmer_blog_deleteok', $_REQUEST)) {
$title = $this->_article->title;
// Deletion confirmed.
if (!$this->_article->delete()) {
throw new midcom_error("Failed to delete article {$args[0]}, last Midgard error was: " . midcom_connection::get_error_string());
}
// Delete all the links pointing to the article
$qb = net_nehmer_blog_link_dba::new_query_builder();
$qb->add_constraint('article', '=', $this->_article->id);
$links = $qb->execute_unchecked();
midcom::get('auth')->request_sudo('net.nehmer.blog');
foreach ($links as $link) {
$link->delete();
}
midcom::get('auth')->drop_sudo();
// Update the index
$indexer = midcom::get('indexer');
$indexer->delete($this->_article->guid);
// Show user interface message
midcom::get('uimessages')->add($this->_l10n->get('net.nehmer.blog'), sprintf($this->_l10n->get('article %s deleted'), $title));
// Delete ok, relocating to welcome.
return new midcom_response_relocate('');
}
if (array_key_exists('net_nehmer_blog_deletecancel', $_REQUEST)) {
midcom::get('uimessages')->add($this->_l10n->get('net.nehmer.blog'), $this->_l10n->get('delete cancelled'));
// Redirect to view page.
if ($this->_config->get('view_in_url')) {
return new midcom_response_relocate("view/{$this->_article->name}/");
} else {
return new midcom_response_relocate("{$this->_article->name}/");
}
}
$this->_prepare_request_data();
midcom::get('metadata')->set_request_metadata($this->_article->metadata->revised, $this->_article->guid);
$this->_view_toolbar->bind_to($this->_article);
midcom::get('head')->set_pagetitle("{$this->_topic->extra}: {$this->_article->title}");
$this->_update_breadcrumb_line($handler_id);
}
/**
* Helper for fetching enough of articles
*
* @param int $topic_id ID of the content topic
* @param int $offset Offset for the query
* @param int $limit How many results should be returned
* @param array &$results Result set
* @return Array Containing results
*/
private static function _get_linked_articles($topic_id, $offset, $limit, &$results)
{
$mc = net_nehmer_blog_link_dba::new_collector('topic', $topic_id);
$mc->add_constraint('topic', '=', $topic_id);
$mc->add_order('metadata.published', 'DESC');
$mc->set_offset($offset);
// Double the limit, a sophisticated guess that there might be missing articles
// and this should include enough of articles for us
$mc->set_limit($limit * 2);
// Get the results
$links = $mc->add_value_property('article');
// Return the empty result set
if (empty($links)) {
return $results;
}
$i = 0;
foreach ($links as $id) {
try {
$article = new midcom_db_article($id);
} catch (midcom_error $e) {
// If the article was not found, it is probably due to ACL
$e->log();
continue;
}
$results[$id] = $article;
$i++;
// Break when we have enough of articles
if ($i >= $limit) {
break;
}
}
// Quit the function if there is no possibility for more matches
if (count($links) < $limit) {
return $results;
}
// Push the offset
$offset = $offset + $limit;
self::_get_linked_articles($topic_id, $offset, $limit, $results);
}
