<?php /** * @package Joomla.Plugin * @subpackage Search.content * * @copyright Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE.txt */ defined('_JEXEC') or die; /** * Content search plugin. * * @since 1.6 */ class PlgSearchContent extends JPlugin { /** * Determine areas searchable by this plugin. * * @return array An array of search areas. * * @since 1.6 */ public function onContentSearchAreas() { static $areas = array( 'content' => 'JGLOBAL_ARTICLES' ); return $areas; } /** * Search content (articles). * The SQL must return the following fields that are used in a common display * routine: href, title, section, created, text, browsernav. * * @param string $text Target search string. * @param string $phrase Matching option (possible values: exact|any|all). Default is "any". * @param string $ordering Ordering option (possible values: newest|oldest|popular|alpha|category). Default is "newest". * @param mixed $areas An array if the search it to be restricted to areas or null to search all areas. * * @return array Search results. * * @since 1.6 */ public function onContentSearch($text, $phrase = '', $ordering = '', $areas = null) { $db = JFactory::getDbo(); $serverType = $db->getServerType(); $app = JFactory::getApplication(); $user = JFactory::getUser(); $groups = implode(',', $user->getAuthorisedViewLevels()); $tag = JFactory::getLanguage()->getTag(); JLoader::register('ContentHelperRoute', JPATH_SITE . '/components/com_content/helpers/route.php'); JLoader::register('SearchHelper', JPATH_ADMINISTRATOR . '/components/com_search/helpers/search.php'); $searchText = $text; if (is_array($areas) && !array_intersect($areas, array_keys($this->onContentSearchAreas()))) { return array(); } $sContent = $this->params->get('search_content', 1); $sArchived = $this->params->get('search_archived', 1); $limit = $this->params->def('search_limit', 50); $nullDate = $db->getNullDate(); $date = JFactory::getDate(); $now = $date->toSql(); $text = trim($text); if ($text === '') { return array(); } switch ($phrase) { case 'exact': $text = $db->quote('%' . $db->escape($text, true) . '%', false); $wheres2 = array(); $wheres2[] = 'a.title LIKE ' . $text; $wheres2[] = 'a.introtext LIKE ' . $text; $wheres2[] = 'a.fulltext LIKE ' . $text; $wheres2[] = 'a.metakey LIKE ' . $text; $wheres2[] = 'a.metadesc LIKE ' . $text; $relevance[] = ' CASE WHEN ' . $wheres2[0] . ' THEN 5 ELSE 0 END '; // Join over Fields. $subQuery = $db->getQuery(true); $subQuery->select("cfv.item_id") ->from("#__fields_values AS cfv") ->join('LEFT', '#__fields AS f ON f.id = cfv.field_id') ->where('(f.context IS NULL OR f.context = ' . $db->q('com_content.article') . ')') ->where('(f.state IS NULL OR f.state = 1)') ->where('(f.access IS NULL OR f.access IN (' . $groups . '))') ->where('cfv.value LIKE ' . $text); // Filter by language. if ($app->isClient('site') && JLanguageMultilang::isEnabled()) { $subQuery->where('(f.language IS NULL OR f.language in (' . $db->quote($tag) . ',' . $db->quote('*') . '))'); } if ($serverType == "mysql") { /* This generates a dependent sub-query so do no use in MySQL prior to version 6.0 ! * $wheres2[] = 'a.id IN( '. (string) $subQuery.')'; */ $db->setQuery($subQuery); $fieldids = $db->loadColumn(); if (count($fieldids)) { $wheres2[] = 'a.id IN(' . implode(",", $fieldids) . ')'; } } else { $wheres2[] = $subQuery->castAsChar('a.id') . ' IN( ' . (string) $subQuery . ')'; } $where = '(' . implode(') OR (', $wheres2) . ')'; break; case 'all': case 'any': default: $words = explode(' ', $text); $wheres = array(); $cfwhere = array(); foreach ($words as $word) { $word = $db->quote('%' . $db->escape($word, true) . '%', false); $wheres2 = array(); $wheres2[] = 'LOWER(a.title) LIKE LOWER(' . $word . ')'; $wheres2[] = 'LOWER(a.introtext) LIKE LOWER(' . $word . ')'; $wheres2[] = 'LOWER(a.fulltext) LIKE LOWER(' . $word . ')'; $wheres2[] = 'LOWER(a.metakey) LIKE LOWER(' . $word . ')'; $wheres2[] = 'LOWER(a.metadesc) LIKE LOWER(' . $word . ')'; $relevance[] = ' CASE WHEN ' . $wheres2[0] . ' THEN 5 ELSE 0 END '; if ($phrase === 'all') { // Join over Fields. $subQuery = $db->getQuery(true); $subQuery->select("cfv.item_id") ->from("#__fields_values AS cfv") ->join('LEFT', '#__fields AS f ON f.id = cfv.field_id') ->where('(f.context IS NULL OR f.context = ' . $db->q('com_content.article') . ')') ->where('(f.state IS NULL OR f.state = 1)') ->where('(f.access IS NULL OR f.access IN (' . $groups . '))') ->where('LOWER(cfv.value) LIKE LOWER(' . $word . ')'); // Filter by language. if ($app->isClient('site') && JLanguageMultilang::isEnabled()) { $subQuery->where('(f.language IS NULL OR f.language in (' . $db->quote($tag) . ',' . $db->quote('*') . '))'); } if ($serverType == "mysql") { $db->setQuery($subQuery); $fieldids = $db->loadColumn(); if (count($fieldids)) { $wheres2[] = 'a.id IN(' . implode(",", $fieldids) . ')'; } } else { $wheres2[] = $subQuery->castAsChar('a.id') . ' IN( ' . (string) $subQuery . ')'; } } else { $cfwhere[] = 'LOWER(cfv.value) LIKE LOWER(' . $word . ')'; } $wheres[] = implode(' OR ', $wheres2); } if ($phrase === 'any') { // Join over Fields. $subQuery = $db->getQuery(true); $subQuery->select("cfv.item_id") ->from("#__fields_values AS cfv") ->join('LEFT', '#__fields AS f ON f.id = cfv.field_id') ->where('(f.context IS NULL OR f.context = ' . $db->q('com_content.article') . ')') ->where('(f.state IS NULL OR f.state = 1)') ->where('(f.access IS NULL OR f.access IN (' . $groups . '))') ->where('(' . implode(($phrase === 'all' ? ') AND (' : ') OR ('), $cfwhere) . ')'); // Filter by language. if ($app->isClient('site') && JLanguageMultilang::isEnabled()) { $subQuery->where('(f.language IS NULL OR f.language in (' . $db->quote($tag) . ',' . $db->quote('*') . '))'); } if ($serverType == "mysql") { $db->setQuery($subQuery); $fieldids = $db->loadColumn(); if (count($fieldids)) { $wheres[] = 'a.id IN(' . implode(",", $fieldids) . ')'; } } else { $wheres[] = $subQuery->castAsChar('a.id') . ' IN( ' . (string) $subQuery . ')'; } } $where = '(' . implode(($phrase === 'all' ? ') AND (' : ') OR ('), $wheres) . ')'; break; } switch ($ordering) { case 'oldest': $order = 'a.created ASC'; break; case 'popular': $order = 'a.hits DESC'; break; case 'alpha': $order = 'a.title ASC'; break; case 'category': $order = 'c.title ASC, a.title ASC'; break; case 'newest': default: $order = 'a.created DESC'; break; } $rows = array(); $query = $db->getQuery(true); // Search articles. if ($sContent && $limit > 0) { $query->clear(); // SQLSRV changes. $case_when = ' CASE WHEN '; $case_when .= $query->charLength('a.alias', '!=', '0'); $case_when .= ' THEN '; $a_id = $query->castAsChar('a.id'); $case_when .= $query->concatenate(array($a_id, 'a.alias'), ':'); $case_when .= ' ELSE '; $case_when .= $a_id . ' END as slug'; $case_when1 = ' CASE WHEN '; $case_when1 .= $query->charLength('c.alias', '!=', '0'); $case_when1 .= ' THEN '; $c_id = $query->castAsChar('c.id'); $case_when1 .= $query->concatenate(array($c_id, 'c.alias'), ':'); $case_when1 .= ' ELSE '; $case_when1 .= $c_id . ' END as catslug'; if (!empty($relevance)) { $query->select(implode(' + ', $relevance) . ' AS relevance'); $order = ' relevance DESC, ' . $order; } $query->select('a.title AS title, a.metadesc, a.metakey, a.created AS created, a.language, a.catid') ->select($query->concatenate(array('a.introtext', 'a.fulltext')) . ' AS text') ->select('c.title AS section, ' . $case_when . ',' . $case_when1 . ', ' . '\'2\' AS browsernav') ->from('#__content AS a') ->join('INNER', '#__categories AS c ON c.id=a.catid') ->where( '(' . $where . ') AND a.state=1 AND c.published = 1 AND a.access IN (' . $groups . ') ' . 'AND c.access IN (' . $groups . ')' . 'AND (a.publish_up = ' . $db->quote($nullDate) . ' OR a.publish_up <= ' . $db->quote($now) . ') ' . 'AND (a.publish_down = ' . $db->quote($nullDate) . ' OR a.publish_down >= ' . $db->quote($now) . ')' ) ->group('a.id, a.title, a.metadesc, a.metakey, a.created, a.language, a.catid, a.introtext, a.fulltext, c.title, a.alias, c.alias, c.id') ->order($order); // Filter by language. if ($app->isClient('site') && JLanguageMultilang::isEnabled()) { $query->where('a.language in (' . $db->quote($tag) . ',' . $db->quote('*') . ')') ->where('c.language in (' . $db->quote($tag) . ',' . $db->quote('*') . ')'); } $db->setQuery($query, 0, $limit); try { $list = $db->loadObjectList(); } catch (RuntimeException $e) { $list = array(); JFactory::getApplication()->enqueueMessage(JText::_('JERROR_AN_ERROR_HAS_OCCURRED'), 'error'); } $limit -= count($list); if (isset($list)) { foreach ($list as $key => $item) { $list[$key]->href = ContentHelperRoute::getArticleRoute($item->slug, $item->catid, $item->language); } } $rows[] = $list; } // Search archived content. if ($sArchived && $limit > 0) { $query->clear(); // SQLSRV changes. $case_when = ' CASE WHEN '; $case_when .= $query->charLength('a.alias', '!=', '0'); $case_when .= ' THEN '; $a_id = $query->castAsChar('a.id'); $case_when .= $query->concatenate(array($a_id, 'a.alias'), ':'); $case_when .= ' ELSE '; $case_when .= $a_id . ' END as slug'; $case_when1 = ' CASE WHEN '; $case_when1 .= $query->charLength('c.alias', '!=', '0'); $case_when1 .= ' THEN '; $c_id = $query->castAsChar('c.id'); $case_when1 .= $query->concatenate(array($c_id, 'c.alias'), ':'); $case_when1 .= ' ELSE '; $case_when1 .= $c_id . ' END as catslug'; if (!empty($relevance)) { $query->select(implode(' + ', $relevance) . ' AS relevance'); $order = ' relevance DESC, ' . $order; } $query->select('a.title AS title, a.metadesc, a.metakey, a.created AS created, a.language, a.catid') ->select($query->concatenate(array('a.introtext', 'a.fulltext')) . ' AS text') ->select('c.title AS section, ' . $case_when . ',' . $case_when1 . ', ' . '\'2\' AS browsernav') ->from('#__content AS a') ->join('INNER', '#__categories AS c ON c.id=a.catid AND c.access IN (' . $groups . ')') ->where( '(' . $where . ') AND a.state = 2 AND c.published = 1 AND a.access IN (' . $groups . ') AND c.access IN (' . $groups . ') ' . 'AND (a.publish_up = ' . $db->quote($nullDate) . ' OR a.publish_up <= ' . $db->quote($now) . ') ' . 'AND (a.publish_down = ' . $db->quote($nullDate) . ' OR a.publish_down >= ' . $db->quote($now) . ')' ) ->order($order); // Join over Fields is no longer neded // Filter by language. if ($app->isClient('site') && JLanguageMultilang::isEnabled()) { $query->where('a.language in (' . $db->quote($tag) . ',' . $db->quote('*') . ')') ->where('c.language in (' . $db->quote($tag) . ',' . $db->quote('*') . ')'); } $db->setQuery($query, 0, $limit); try { $list3 = $db->loadObjectList(); } catch (RuntimeException $e) { $list3 = array(); JFactory::getApplication()->enqueueMessage(JText::_('JERROR_AN_ERROR_HAS_OCCURRED'), 'error'); } if (isset($list3)) { foreach ($list3 as $key => $item) { $list3[$key]->href = ContentHelperRoute::getArticleRoute($item->slug, $item->catid, $item->language); } } $rows[] = $list3; } $results = array(); if (count($rows)) { foreach ($rows as $row) { $new_row = array(); foreach ($row as $article) { // Not efficient to get these ONE article at a TIME // Lookup field values so they can be checked, GROUP_CONCAT would work in above queries, but isn't supported by non-MySQL DBs. $query = $db->getQuery(true); $query->select('fv.value') ->from('#__fields_values as fv') ->join('left', '#__fields as f on fv.field_id = f.id') ->where('f.context = ' . $db->quote('com_content.article')) ->where('fv.item_id = ' . $db->quote((int) $article->slug)); $db->setQuery($query); $article->jcfields = implode(',', $db->loadColumn()); if (SearchHelper::checkNoHtml($article, $searchText, array('text', 'title', 'jcfields', 'metadesc', 'metakey'))) { $new_row[] = $article; } } $results = array_merge($results, (array) $new_row); } } return $results; } }