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<?php |
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/** |
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* |
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* Precise Similar Topics |
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* |
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* @copyright (c) 2013 Matt Friedman |
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* @license GNU General Public License, version 2 (GPL-2.0) |
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* |
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*/ |
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namespace vse\similartopics\core; |
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use phpbb\auth\auth; |
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use phpbb\cache\service as cache; |
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use phpbb\config\config; |
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use phpbb\config\db_text; |
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use phpbb\content_visibility; |
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use phpbb\db\driver\driver_interface as db; |
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use phpbb\event\dispatcher_interface as dispatcher; |
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use phpbb\extension\manager as ext_manager; |
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use phpbb\language\language; |
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use phpbb\pagination; |
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use phpbb\request\request; |
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use phpbb\template\template; |
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use phpbb\user; |
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use vse\similartopics\driver\driver_interface as similartopics_driver; |
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use vse\similartopics\driver\manager as similartopics_manager; |
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class similar_topics |
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{ |
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/** @var auth */ |
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protected $auth; |
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/** @var cache */ |
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protected $cache; |
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/** @var config */ |
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protected $config; |
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/** @var db_text */ |
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protected $config_text; |
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/** @var db */ |
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protected $db; |
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/** @var dispatcher */ |
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protected $dispatcher; |
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/** @var ext_manager */ |
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protected $extension_manager; |
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/** @var language */ |
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protected $language; |
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/** @var pagination */ |
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protected $pagination; |
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/** @var request */ |
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protected $request; |
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/** @var template */ |
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protected $template; |
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/** @var user */ |
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protected $user; |
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/** @var content_visibility */ |
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protected $content_visibility; |
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/** @var similartopics_driver */ |
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protected $similartopics; |
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/** @var string phpBB root path */ |
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protected $root_path; |
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/** @var string PHP file extension */ |
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protected $php_ext; |
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/** @var string String of custom ignore words */ |
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protected $ignore_words; |
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/** |
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* Constructor |
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* |
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* @access public |
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* @param auth $auth |
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* @param cache $cache |
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* @param config $config |
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* @param db_text $config_text |
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* @param db $db |
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* @param dispatcher $dispatcher |
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* @param ext_manager $extension_manager |
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* @param language $language |
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* @param pagination $pagination |
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* @param request $request |
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* @param template $template |
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* @param user $user |
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* @param content_visibility $content_visibility |
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* @param similartopics_manager $similartopics_manager |
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* @param string $root_path |
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* @param string $php_ext |
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*/ |
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public function __construct(auth $auth, cache $cache, config $config, db_text $config_text, db $db, dispatcher $dispatcher, ext_manager $extension_manager, language $language, pagination $pagination, request $request, template $template, user $user, content_visibility $content_visibility, similartopics_manager $similartopics_manager, $root_path, $php_ext) |
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{ |
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$this->auth = $auth; |
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$this->cache = $cache; |
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$this->config = $config; |
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$this->config_text = $config_text; |
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$this->db = $db; |
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$this->dispatcher = $dispatcher; |
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$this->extension_manager = $extension_manager; |
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$this->language = $language; |
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$this->pagination = $pagination; |
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$this->request = $request; |
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$this->template = $template; |
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$this->user = $user; |
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$this->content_visibility = $content_visibility; |
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$this->root_path = $root_path; |
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$this->php_ext = $php_ext; |
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$this->similartopics = $similartopics_manager->get_driver($db->get_sql_layer()); |
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} |
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/** |
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* Is similar topics available? |
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* |
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* @access public |
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* @return bool True if available, false otherwise |
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*/ |
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public function is_available() |
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{ |
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return $this->is_enabled() && $this->is_viewable() && $this->similartopics !== null; |
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} |
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/** |
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* Is similar topics configured? |
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* |
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* @access public |
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* @return bool True if configured, false otherwise |
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*/ |
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public function is_enabled() |
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{ |
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return !empty($this->config['similar_topics']) && !empty($this->config['similar_topics_limit']); |
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} |
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/** |
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* Is similar topics viewable by the user? |
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* |
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* @access public |
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* @return bool True if viewable, false otherwise |
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*/ |
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public function is_viewable() |
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{ |
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return !empty($this->user->data['user_similar_topics']) && $this->auth->acl_get('u_similar_topics'); |
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} |
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/** |
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* Get similar topics by matching topic titles |
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* Loosely based on viewforum.php lines 840-1040 |
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* |
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* NOTE: FULLTEXT has built-in English ignore words. We use phpBB's |
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* ignore words for non-English languages. We also remove any |
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* admin-defined special ignore words. |
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* |
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* @access public |
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* @param array $topic_data Array with topic data |
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*/ |
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public function display_similar_topics($topic_data) |
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{ |
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// If the forum should not display similar topics, no need to continue |
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if ($topic_data['similar_topics_hide']) |
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{ |
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return; |
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} |
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$topic_title = $this->clean_topic_title($topic_data['topic_title']); |
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// If the cleaned up topic_title is empty, no need to continue |
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if (empty($topic_title)) |
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{ |
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return; |
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} |
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// Get stored sensitivity value and divide by 10. In query, it should be a number between 0.0 to 1.0. |
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$sensitivity = $this->config->offsetExists('similar_topics_sense') ? number_format($this->config['similar_topics_sense'] / 10, 1, '.', '') : '0.5'; |
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// Similar Topics SQL query is generated in similar topics driver |
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$sql_array = $this->similartopics->get_query($topic_data['topic_id'], $topic_title, $this->config['similar_topics_time'], $sensitivity); |
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// Add topic tracking data to the query (only if query caching is off) |
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if ($this->user->data['is_registered'] && $this->config['load_db_lastread'] && !$this->config['similar_topics_cache']) |
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{ |
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$sql_array['LEFT_JOIN'][] = array('FROM' => array(TOPICS_TRACK_TABLE => 'tt'), 'ON' => 'tt.topic_id = t.topic_id AND tt.user_id = ' . $this->user->data['user_id']); |
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$sql_array['LEFT_JOIN'][] = array('FROM' => array(FORUMS_TRACK_TABLE => 'ft'), 'ON' => 'ft.forum_id = f.forum_id AND ft.user_id = ' . $this->user->data['user_id']); |
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$sql_array['SELECT'] .= ', tt.mark_time, ft.mark_time as f_mark_time'; |
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} |
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else if ($this->config['load_anon_lastread'] || $this->user->data['is_registered']) |
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{ |
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// Cookie based tracking copied from search.php |
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$tracking_topics = $this->request->variable($this->config['cookie_name'] . '_track', '', true, \phpbb\request\request_interface::COOKIE); |
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$tracking_topics = $tracking_topics ? tracking_unserialize($tracking_topics) : array(); |
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} |
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// We need to exclude passworded forums, so we do not leak the topic title |
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$passworded_forums = $this->user->get_passworded_forums(); |
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// See if the admin set this forum to only search a specific group of other forums, and include them |
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if (!empty($topic_data['similar_topic_forums'])) |
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{ |
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// Remove any passworded forums from this group of forums we will be searching |
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$included_forums = array_diff(json_decode($topic_data['similar_topic_forums'], true), $passworded_forums); |
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// if there's nothing left to display (user has no access to the forums we want to search) |
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if (empty($included_forums)) |
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{ |
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return; |
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} |
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$sql_array['WHERE'] .= ' AND ' . $this->db->sql_in_set('f.forum_id', $included_forums); |
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} |
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// Otherwise, exclude any ignored forums |
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else |
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{ |
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// Remove any passworded forums |
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if (count($passworded_forums)) |
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{ |
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$sql_array['WHERE'] .= ' AND ' . $this->db->sql_in_set('f.forum_id', $passworded_forums, true); |
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} |
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$sql_array['WHERE'] .= ' AND f.similar_topics_ignore = 0'; |
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} |
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/** |
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* Event to modify the sql_array for similar topics |
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* |
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* @event vse.similartopics.get_topic_data |
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* @var array sql_array SQL array to get similar topics data |
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* @since 1.3.0 |
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*/ |
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$vars = array('sql_array'); |
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extract($this->dispatcher->trigger_event('vse.similartopics.get_topic_data', compact($vars))); |
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$rowset = array(); |
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$sql = $this->db->sql_build_query('SELECT', $sql_array); |
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$result = $this->db->sql_query_limit($sql, $this->config['similar_topics_limit'], 0, $this->config['similar_topics_cache']); |
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while ($row = $this->db->sql_fetchrow($result)) |
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{ |
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$rowset[(int) $row['topic_id']] = $row; |
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} |
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$this->db->sql_freeresult($result); |
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// Grab icons |
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$icons = $this->cache->obtain_icons(); |
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/** |
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* Modify the rowset data for similar topics |
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* |
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* @event vse.similartopics.modify_rowset |
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* @var array rowset Array with the search results data |
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* @since 1.4.2 |
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*/ |
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$vars = array('rowset'); |
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extract($this->dispatcher->trigger_event('vse.similartopics.modify_rowset', compact($vars))); |
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foreach ($rowset as $row) |
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{ |
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$similar_forum_id = (int) $row['forum_id']; |
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$similar_topic_id = (int) $row['topic_id']; |
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if ($this->auth->acl_get('f_read', $similar_forum_id)) |
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{ |
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// Get topic tracking info |
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if ($this->user->data['is_registered'] && $this->config['load_db_lastread'] && !$this->config['similar_topics_cache']) |
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{ |
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$topic_tracking_info = get_topic_tracking($similar_forum_id, $similar_topic_id, $rowset, array($similar_forum_id => $row['f_mark_time'])); |
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} |
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else if ($this->config['load_anon_lastread'] || $this->user->data['is_registered']) |
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{ |
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$topic_tracking_info = get_complete_topic_tracking($similar_forum_id, $similar_topic_id); |
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if (!$this->user->data['is_registered']) |
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{ |
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$this->user->data['user_lastmark'] = isset($tracking_topics['l']) ? ((int) base_convert($tracking_topics['l'], 36, 10) + (int) $this->config['board_startdate']) : 0; |
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} |
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} |
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// Replies |
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$replies = $this->content_visibility->get_count('topic_posts', $row, $similar_forum_id) - 1; |
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// Get folder img, topic status/type related information |
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$folder_img = $folder_alt = $topic_type = ''; |
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$unread_topic = isset($topic_tracking_info[$similar_topic_id]) && $row['topic_last_post_time'] > $topic_tracking_info[$similar_topic_id]; |
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293
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topic_status($row, $replies, $unread_topic, $folder_img, $folder_alt, $topic_type); |
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294
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295
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$view_topic_url_params = 't=' . $similar_topic_id; |
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296
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297
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$topic_unapproved = $row['topic_visibility'] == ITEM_UNAPPROVED && $this->auth->acl_get('m_approve', $similar_forum_id); |
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298
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$posts_unapproved = $row['topic_visibility'] == ITEM_APPROVED && $row['topic_posts_unapproved'] && $this->auth->acl_get('m_approve', $similar_forum_id); |
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299
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$u_mcp_queue = ($topic_unapproved || $posts_unapproved) ? append_sid("{$this->root_path}mcp.$this->php_ext", 'i=queue&mode=' . ($topic_unapproved ? 'approve_details' : 'unapproved_posts') . "&t=$similar_topic_id", true, $this->user->session_id) : ''; |
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300
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301
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$base_url = append_sid("{$this->root_path}viewtopic.$this->php_ext", $view_topic_url_params); |
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302
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303
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$topic_row = array( |
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304
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'TOPIC_AUTHOR_FULL' => get_username_string('full', $row['topic_poster'], $row['topic_first_poster_name'], $row['topic_first_poster_colour']), |
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305
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'FIRST_POST_TIME' => $this->user->format_date($row['topic_time']), |
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306
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'FIRST_POST_TIME_RFC3339' => gmdate(DATE_RFC3339, $row['topic_time']), |
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307
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'LAST_POST_TIME' => $this->user->format_date($row['topic_last_post_time']), |
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308
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'LAST_POST_TIME_RFC3339' => gmdate(DATE_RFC3339, $row['topic_last_post_time']), |
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309
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'LAST_POST_AUTHOR_FULL' => get_username_string('full', $row['topic_last_poster_id'], $row['topic_last_poster_name'], $row['topic_last_poster_colour']), |
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310
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311
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'TOPIC_REPLIES' => $replies, |
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312
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'TOPIC_VIEWS' => $row['topic_views'], |
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313
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'TOPIC_TITLE' => censor_text($row['topic_title']), |
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314
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|
'FORUM_TITLE' => $row['forum_name'], |
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315
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316
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'TOPIC_IMG_STYLE' => $folder_img, |
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317
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'TOPIC_FOLDER_IMG' => $this->user->img($folder_img, $folder_alt), |
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318
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'TOPIC_FOLDER_IMG_ALT' => $this->language->lang($folder_alt), |
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319
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|
320
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|
'TOPIC_ICON_IMG' => !empty($icons[$row['icon_id']]) ? $icons[$row['icon_id']]['img'] : '', |
|
321
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|
|
'TOPIC_ICON_IMG_WIDTH' => !empty($icons[$row['icon_id']]) ? $icons[$row['icon_id']]['width'] : '', |
|
322
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|
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'TOPIC_ICON_IMG_HEIGHT' => !empty($icons[$row['icon_id']]) ? $icons[$row['icon_id']]['height'] : '', |
|
323
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'ATTACH_ICON_IMG' => ($this->auth->acl_get('u_download') && $this->auth->acl_get('f_download', $similar_forum_id) && $row['topic_attachment']) ? $this->user->img('icon_topic_attach', $this->language->lang('TOTAL_ATTACHMENTS')) : '', |
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324
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'UNAPPROVED_IMG' => ($topic_unapproved || $posts_unapproved) ? $this->user->img('icon_topic_unapproved', $topic_unapproved ? 'TOPIC_UNAPPROVED' : 'POSTS_UNAPPROVED') : '', |
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325
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326
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'S_UNREAD_TOPIC' => $unread_topic, |
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327
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|
'S_TOPIC_REPORTED' => !empty($row['topic_reported']) && $this->auth->acl_get('m_report', $similar_forum_id), |
|
328
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|
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'S_TOPIC_UNAPPROVED' => $topic_unapproved, |
|
329
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|
|
'S_POSTS_UNAPPROVED' => $posts_unapproved, |
|
330
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|
|
'S_HAS_POLL' => (bool) $row['poll_start'], |
|
331
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|
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332
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|
|
'U_NEWEST_POST' => append_sid("{$this->root_path}viewtopic.$this->php_ext", $view_topic_url_params . '&view=unread') . '#unread', |
|
333
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'U_LAST_POST' => append_sid("{$this->root_path}viewtopic.$this->php_ext", $view_topic_url_params . '&p=' . $row['topic_last_post_id']) . '#p' . $row['topic_last_post_id'], |
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334
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|
'U_VIEW_TOPIC' => $base_url, |
|
335
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|
|
'U_VIEW_FORUM' => append_sid("{$this->root_path}viewforum.$this->php_ext", 'f=' . $similar_forum_id), |
|
336
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|
|
'U_MCP_REPORT' => append_sid("{$this->root_path}mcp.$this->php_ext", 'i=reports&mode=reports&' . $view_topic_url_params, true, $this->user->session_id), |
|
337
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|
|
'U_MCP_QUEUE' => $u_mcp_queue, |
|
338
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|
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); |
|
339
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|
|
340
|
|
|
/** |
|
341
|
|
|
* Event to modify the similar topics template block |
|
342
|
|
|
* |
|
343
|
|
|
* @event vse.similartopics.modify_topicrow |
|
344
|
|
|
* @var array row Array with similar topic data |
|
345
|
|
|
* @var array topic_row Template block array |
|
346
|
|
|
* @since 1.3.0 |
|
347
|
|
|
*/ |
|
348
|
|
|
$vars = array('row', 'topic_row'); |
|
349
|
|
|
extract($this->dispatcher->trigger_event('vse.similartopics.modify_topicrow', compact($vars))); |
|
350
|
|
|
|
|
351
|
|
|
$this->template->assign_block_vars('similar', $topic_row); |
|
352
|
|
|
|
|
353
|
|
|
$this->pagination->generate_template_pagination($base_url, 'similar.pagination', 'start', $replies + 1, $this->config['posts_per_page'], 1, true, true); |
|
354
|
|
|
} |
|
355
|
|
|
} |
|
356
|
|
|
|
|
357
|
|
|
$this->language->add_lang('similar_topics', 'vse/similartopics'); |
|
358
|
|
|
|
|
359
|
|
|
$this->template->assign_vars(array( |
|
360
|
|
|
'NEWEST_POST_IMG' => $this->user->img('icon_topic_newest', 'VIEW_NEWEST_POST'), |
|
361
|
|
|
'LAST_POST_IMG' => $this->user->img('icon_topic_latest', 'VIEW_LATEST_POST'), |
|
362
|
|
|
'REPORTED_IMG' => $this->user->img('icon_topic_reported', 'TOPIC_REPORTED'), |
|
363
|
|
|
'POLL_IMG' => $this->user->img('icon_topic_poll', 'TOPIC_POLL'), |
|
364
|
|
|
)); |
|
365
|
|
|
} |
|
366
|
|
|
|
|
367
|
|
|
/** |
|
368
|
|
|
* Clean topic title (and if needed, ignore-words) |
|
369
|
|
|
* |
|
370
|
|
|
* @access public |
|
371
|
|
|
* @param string $text The topic title |
|
372
|
|
|
* @return string The topic title |
|
373
|
|
|
*/ |
|
374
|
|
|
public function clean_topic_title($text) |
|
375
|
|
|
{ |
|
376
|
|
|
// Strip quotes, ampersands |
|
377
|
|
|
$text = str_replace(array('"', '&'), '', $text); |
|
378
|
|
|
|
|
379
|
|
|
if (!$this->english_lang() || $this->get_ignore_words()) |
|
380
|
|
|
{ |
|
381
|
|
|
$text = $this->strip_stop_words($text); |
|
382
|
|
|
} |
|
383
|
|
|
|
|
384
|
|
|
return $text; |
|
385
|
|
|
} |
|
386
|
|
|
|
|
387
|
|
|
/** |
|
388
|
|
|
* Remove any non-english and/or custom defined ignore-words |
|
389
|
|
|
* |
|
390
|
|
|
* @access protected |
|
391
|
|
|
* @param string $text The topic title |
|
392
|
|
|
* @return string The topic title |
|
393
|
|
|
*/ |
|
394
|
|
|
protected function strip_stop_words($text) |
|
395
|
|
|
{ |
|
396
|
|
|
$words = array(); |
|
397
|
|
|
|
|
398
|
|
|
// If non-English, look for a list of stop-words to be ignored |
|
399
|
|
|
// in either the core or the extension (deprecated from core) |
|
400
|
|
|
if (!$this->english_lang()) |
|
401
|
|
|
{ |
|
402
|
|
|
$finder = $this->extension_manager->get_finder(); |
|
403
|
|
|
$search_ignore_words = $finder |
|
404
|
|
|
->set_extensions(array('vse/similartopics')) |
|
405
|
|
|
->prefix('search_ignore_words') |
|
406
|
|
|
->suffix(".$this->php_ext") |
|
407
|
|
|
->extension_directory("/language/{$this->user->lang_name}") |
|
408
|
|
|
->core_path("language/{$this->user->lang_name}/") |
|
409
|
|
|
->get_files(); |
|
410
|
|
|
if (current($search_ignore_words)) |
|
411
|
|
|
{ |
|
412
|
|
|
include current($search_ignore_words); |
|
413
|
|
|
} |
|
414
|
|
|
} |
|
415
|
|
|
|
|
416
|
|
|
if ($this->get_ignore_words()) |
|
417
|
|
|
{ |
|
418
|
|
|
// Merge any custom defined ignore words from the ACP to the stop-words array |
|
419
|
|
|
$words = array_merge($this->make_word_array($this->get_ignore_words()), $words); |
|
420
|
|
|
} |
|
421
|
|
|
|
|
422
|
|
|
// Remove stop-words from the topic title text |
|
423
|
|
|
$words = array_diff($this->make_word_array($text), $words); |
|
424
|
|
|
|
|
425
|
|
|
// Convert our words array back to a string |
|
426
|
|
|
return implode(' ', $words); |
|
427
|
|
|
} |
|
428
|
|
|
|
|
429
|
|
|
/** |
|
430
|
|
|
* Helper function to split string into an array of words |
|
431
|
|
|
* |
|
432
|
|
|
* @access protected |
|
433
|
|
|
* @param string $text String of plain text words |
|
434
|
|
|
* @return array Array of plaintext words |
|
435
|
|
|
*/ |
|
436
|
|
|
protected function make_word_array($text) |
|
437
|
|
|
{ |
|
438
|
|
|
// Strip out any non-alpha-numeric characters using PCRE regex syntax |
|
439
|
|
|
$text = trim(preg_replace('#[^\p{L}\p{N}]+#u', ' ', $text)); |
|
440
|
|
|
|
|
441
|
|
|
$words = explode(' ', utf8_strtolower($text)); |
|
|
|
|
|
|
442
|
|
|
foreach ($words as $key => $word) |
|
443
|
|
|
{ |
|
444
|
|
|
// Strip words of 2 characters or fewer |
|
445
|
|
|
if (utf8_strlen(trim($word)) < 3) |
|
|
|
|
|
|
446
|
|
|
{ |
|
447
|
|
|
unset($words[$key]); |
|
448
|
|
|
} |
|
449
|
|
|
} |
|
450
|
|
|
|
|
451
|
|
|
return $words; |
|
452
|
|
|
} |
|
453
|
|
|
|
|
454
|
|
|
/** |
|
455
|
|
|
* Check if English is the current user's language |
|
456
|
|
|
* |
|
457
|
|
|
* @access protected |
|
458
|
|
|
* @return bool True if lang is 'en' or 'en_us', false otherwise |
|
459
|
|
|
*/ |
|
460
|
|
|
protected function english_lang() |
|
461
|
|
|
{ |
|
462
|
|
|
return ($this->user->lang_name === 'en' || $this->user->lang_name === 'en_us'); |
|
463
|
|
|
} |
|
464
|
|
|
|
|
465
|
|
|
/** |
|
466
|
|
|
* Get custom ignore words if any were defined for similar topics |
|
467
|
|
|
* |
|
468
|
|
|
* @access protected |
|
469
|
|
|
* @return string|null String of ignore words or null if there are none defined |
|
470
|
|
|
*/ |
|
471
|
|
|
protected function get_ignore_words() |
|
472
|
|
|
{ |
|
473
|
|
|
$key = 'similar_topics_words'; |
|
474
|
|
|
|
|
475
|
|
|
$cache = $this->cache->get_driver(); |
|
476
|
|
|
|
|
477
|
|
|
if ($this->ignore_words === null && (($this->ignore_words = $cache->get("_$key")) === false)) |
|
478
|
|
|
{ |
|
479
|
|
|
$this->ignore_words = $this->config_text->get($key); |
|
480
|
|
|
|
|
481
|
|
|
$cache->put("_$key", $this->ignore_words); |
|
482
|
|
|
} |
|
483
|
|
|
|
|
484
|
|
|
return $this->ignore_words; |
|
485
|
|
|
} |
|
486
|
|
|
} |
|
487
|
|
|
|
iMattPro /
similartopics
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The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths