760 lines
20 KiB
PHP
760 lines
20 KiB
PHP
<?php
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/***************************************************************
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* Copyright notice
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*
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* (c) 2011 Goobi. Digitalisieren im Verein e.V. <contact@goobi.org>
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* All rights reserved
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*
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* This script is part of the TYPO3 project. The TYPO3 project is
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* free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* The GNU General Public License can be found at
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* http://www.gnu.org/copyleft/gpl.html.
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*
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* This script is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* This copyright notice MUST APPEAR in all copies of the script!
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***************************************************************/
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/**
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* [CLASS/FUNCTION INDEX of SCRIPT]
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*/
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/**
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* Plugin 'DLF: Search' for the 'dlf' extension.
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*
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* @author Sebastian Meyer <sebastian.meyer@slub-dresden.de>
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* @author Henrik Lochmann <dev@mentalmotive.com>
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* @package TYPO3
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* @subpackage tx_dlf
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* @access public
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*/
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class tx_dlf_search extends tx_dlf_plugin {
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public $scriptRelPath = 'plugins/search/class.tx_dlf_search.php';
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/**
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* Adds the JS files necessary for search suggestions
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*
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* @access protected
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*
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* @return void
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*/
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protected function addAutocompleteJS() {
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// Check if there are any metadata to suggest.
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$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
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'tx_dlf_metadata.*',
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'tx_dlf_metadata',
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'tx_dlf_metadata.autocomplete=1 AND tx_dlf_metadata.pid='.intval($this->conf['pages']).tx_dlf_helper::whereClause('tx_dlf_metadata'),
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'',
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'',
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'1'
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);
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if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
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// Add javascript to page header.
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if (tx_dlf_helper::loadJQuery()) {
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$GLOBALS['TSFE']->additionalHeaderData[$this->prefixId.'_search_suggest'] = '<script type="text/javascript" src="'.t3lib_extMgm::siteRelPath($this->extKey).'plugins/search/tx_dlf_search_suggest.js"></script>';
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}
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} else {
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if (TYPO3_DLOG) {
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t3lib_div::devLog('[tx_dlf_search->addAutocompleteJS()] No metadata fields configured for search suggestions', $this->extKey, SYSLOG_SEVERITY_WARNING);
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}
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}
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}
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/**
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* Adds the current collection's UID to the search form
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*
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* @access protected
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*
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* @return string HTML input fields with current document's UID and parent ID
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*/
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protected function addCurrentCollection() {
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// Load current collection.
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$list = t3lib_div::makeInstance('tx_dlf_list');
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if (!empty($list->metadata['options']['source']) && $list->metadata['options']['source'] == 'collection') {
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// Get collection's UID.
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return '<input type="hidden" name="'.$this->prefixId.'[collection]" value="'.$list->metadata['options']['select'].'" />';
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} else if (!empty($list->metadata['options']['params']['fq'])) {
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// get collection's UID from search metadata
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foreach ($list->metadata['options']['params']['fq'] as $id => $facet) {
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$facetKeyVal = explode(':', $facet, 2);
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if ($facetKeyVal[0] == 'collection_faceting') {
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$collectionId = tx_dlf_helper::getIdFromIndexName($facetKeyVal[1], 'tx_dlf_collections');
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}
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}
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return '<input type="hidden" name="'.$this->prefixId.'[collection]" value="'.$collectionId.'" />';
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}
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return '';
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}
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/**
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* Adds the current document's UID or parent ID to the search form
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*
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* @access protected
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*
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* @return string HTML input fields with current document's UID and parent ID
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*/
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protected function addCurrentDocument() {
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// Load current list object.
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$list = t3lib_div::makeInstance('tx_dlf_list');
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// Load current document.
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if (!empty($this->piVars['id']) && tx_dlf_helper::testInt($this->piVars['id'])) {
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$this->loadDocument();
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// Get document's UID or parent ID.
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if ($this->doc->ready) {
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return '<input type="hidden" name="'.$this->prefixId.'[id]" value="'.($this->doc->parentId > 0 ? $this->doc->parentId : $this->doc->uid).'" />';
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}
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} else if (!empty($list->metadata['options']['params']['fq'])) {
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// get document's UID from search metadata
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foreach ($list->metadata['options']['params']['fq'] as $id => $facet) {
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$facetKeyVal = explode(':', $facet);
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if ($facetKeyVal[0] == 'uid') {
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$documentId = (int)substr($facetKeyVal[1],0,strpos($facetKeyVal[1], ' '));
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}
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}
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return '<input type="hidden" name="'.$this->prefixId.'[id]" value="'.$documentId.'" />';
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}
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return '';
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}
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/**
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* Adds the encrypted Solr core name to the search form
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*
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* @access protected
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*
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* @return string HTML input fields with encrypted core name and hash
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*/
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protected function addEncryptedCoreName() {
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// Get core name.
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$name = tx_dlf_helper::getIndexName($this->conf['solrcore'], 'tx_dlf_solrcores');
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// Encrypt core name.
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if (!empty($name)) {
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$name = tx_dlf_helper::encrypt($name);
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}
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// Add encrypted fields to search form.
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if (is_array($name)) {
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return '<input type="hidden" name="'.$this->prefixId.'[encrypted]" value="'.$name['encrypted'].'" /><input type="hidden" name="'.$this->prefixId.'[hashed]" value="'.$name['hash'].'" />';
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} else {
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return '';
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}
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}
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/**
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* Returns the extended search form and adds the JS files necessary for extended search.
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*
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* @access protected
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*
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* @return string The extended search form or an empty string
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*/
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protected function addExtendedSearch() {
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$extendedSearch = '';
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// Quit without doing anything if no fields for extended search are selected.
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if (empty($this->conf['extendedSlotCount']) || empty($this->conf['extendedFields'])) {
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return $extendedSearch;
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}
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// Get operator options.
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$operatorOptions = '';
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foreach (array ('AND', 'OR', 'NOT') as $operator) {
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$operatorOptions .= '<option class="tx-dlf-search-operator-'.$operator.'" value="'.$operator.'">'.$this->pi_getLL($operator, '', TRUE).'</option>';
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}
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// Get field selector options.
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$fieldSelectorOptions = '';
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$searchFields = t3lib_div::trimExplode(',', $this->conf['extendedFields'], TRUE);
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foreach ($searchFields as $searchField) {
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$fieldSelectorOptions .= '<option class="tx-dlf-search-field-'.$searchField.'" value="'.$searchField.'">'.tx_dlf_helper::translate($searchField, 'tx_dlf_metadata', $this->conf['pages']).'</option>';
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}
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for ($i = 0; $i < $this->conf['extendedSlotCount']; $i++) {
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$markerArray = array (
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'###EXT_SEARCH_OPERATOR###' => '<select class="tx-dlf-search-operator-'.$i.'" name="tx_dlf[extOperator]['.$i.']">'.$operatorOptions.'</select>',
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'###EXT_SEARCH_FIELDSELECTOR###' => '<select class="tx-dlf-search-field-'.$i.'" name="tx_dlf[extField]['.$i.']">'.$fieldSelectorOptions.'</select>',
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'###EXT_SEARCH_FIELDQUERY###' => '<input class="tx-dlf-search-query-'.$i.'" type="text" name="tx_dlf[extQuery]['.$i.']" />'
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);
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$extendedSearch .= $this->cObj->substituteMarkerArray($this->cObj->getSubpart($this->template, '###EXT_SEARCH_ENTRY###'), $markerArray);
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}
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return $extendedSearch;
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}
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/**
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* Adds the facets menu to the search form
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*
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* @access protected
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*
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* @return string HTML output of facets menu
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*/
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protected function addFacetsMenu() {
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// Check for typoscript configuration to prevent fatal error.
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if (empty($this->conf['facetsConf.'])) {
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if (TYPO3_DLOG) {
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t3lib_div::devLog('[tx_dlf_search->addFacetsMenu()] Incomplete plugin configuration', $this->extKey, SYSLOG_SEVERITY_WARNING);
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}
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return '';
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}
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// Quit without doing anything if no facets are selected.
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if (empty($this->conf['facets'])) {
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return '';
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}
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// Get facets from plugin configuration.
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$facets = array ();
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foreach (t3lib_div::trimExplode(',', $this->conf['facets'], TRUE) as $facet) {
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$facets[$facet.'_faceting'] = tx_dlf_helper::translate($facet, 'tx_dlf_metadata', $this->conf['pages']);
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}
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// Render facets menu.
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$TSconfig = array ();
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$TSconfig['special'] = 'userfunction';
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$TSconfig['special.']['userFunc'] = 'tx_dlf_search->makeFacetsMenuArray';
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$TSconfig['special.']['facets'] = $facets;
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$TSconfig['special.']['limit'] = max(intval($this->conf['limitFacets']), 1);
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$TSconfig = tx_dlf_helper::array_merge_recursive_overrule($this->conf['facetsConf.'], $TSconfig);
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return $this->cObj->HMENU($TSconfig);
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}
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/**
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* Creates an array for a HMENU entry of a facet value.
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*
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* @param string $field: The facet's index_name
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* @param string $value: The facet's value
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* @param integer $count: Number of hits for this facet
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* @param array $search: The parameters of the current search query
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* @param string &$state: The state of the parent item
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*
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* @return array The array for the facet's menu entry
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*/
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protected function getFacetsMenuEntry($field, $value, $count, $search, &$state) {
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$entryArray = array();
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// Translate value.
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if ($field == 'owner_faceting') {
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// Translate name of holding library.
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$entryArray['title'] = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_libraries', $this->conf['pages']));
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} elseif ($field == 'type_faceting') {
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// Translate document type.
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$entryArray['title'] = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_structures', $this->conf['pages']));
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} elseif ($field == 'collection_faceting') {
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// Translate name of collection.
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$entryArray['title'] = htmlspecialchars(tx_dlf_helper::translate($value, 'tx_dlf_collections', $this->conf['pages']));
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} elseif ($field == 'language_faceting') {
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// Translate ISO 639 language code.
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$entryArray['title'] = htmlspecialchars(tx_dlf_helper::getLanguageName($value));
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} else {
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$entryArray['title'] = htmlspecialchars($value);
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}
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$entryArray['count'] = $count;
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$entryArray['doNotLinkIt'] = 0;
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// Check if facet is already selected.
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$index = array_search($field.':("'.tx_dlf_solr::escapeQuery($value).'")', $search['params']['fq']);
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if ($index !== FALSE) {
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// Facet is selected, thus remove it from filter.
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unset($search['params']['fq'][$index]);
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$search['params']['fq'] = array_values($search['params']['fq']);
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$entryArray['ITEM_STATE'] = 'CUR';
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$state = 'ACTIFSUB';
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//Reset facets
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if ($this->conf['resetFacets']) {
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//remove ($count) for selected facet in template
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$entryArray['count'] = FALSE;
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//build link to delete selected facet
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$entryArray['_OVERRIDE_HREF'] = $this->pi_linkTP_keepPIvars_url(array ('query' => $search['query'], 'fq' => $search['params']['fq']));
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$entryArray['title'] = sprintf($this->pi_getLL('resetFacet', ''), $entryArray['title']);
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}
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} else {
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// Facet is not selected, thus add it to filter.
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$search['params']['fq'][] = $field.':("'.tx_dlf_solr::escapeQuery($value).'")';
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$entryArray['ITEM_STATE'] = 'NO';
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}
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$entryArray['_OVERRIDE_HREF'] = $this->pi_linkTP_keepPIvars_url(array ('query' => $search['query'], 'fq' => $search['params']['fq']));
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return $entryArray;
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}
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/**
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* The main method of the PlugIn
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*
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* @access public
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*
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* @param string $content: The PlugIn content
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* @param array $conf: The PlugIn configuration
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*
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* @return string The content that is displayed on the website
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*/
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public function main($content, $conf) {
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$this->init($conf);
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// Disable caching for this plugin.
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$this->setCache(FALSE);
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// Quit without doing anything if required variables are not set.
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if (empty($this->conf['solrcore'])) {
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if (TYPO3_DLOG) {
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t3lib_div::devLog('[tx_dlf_search->main('.$content.', [data])] Incomplete plugin configuration', $this->extKey, SYSLOG_SEVERITY_WARNING, $conf);
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}
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return $content;
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}
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if (!isset($this->piVars['query']) && empty($this->piVars['extQuery'])) {
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// Add javascript for search suggestions if enabled and jQuery autocompletion is available.
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if (!empty($this->conf['suggest'])) {
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$this->addAutocompleteJS();
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}
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// Load template file.
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if (!empty($this->conf['templateFile'])) {
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$this->template = $this->cObj->getSubpart($this->cObj->fileResource($this->conf['templateFile']), '###TEMPLATE###');
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} else {
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$this->template = $this->cObj->getSubpart($this->cObj->fileResource('EXT:dlf/plugins/search/template.tmpl'), '###TEMPLATE###');
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}
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// Set last query if applicable.
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$lastQuery = '';
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$list = t3lib_div::makeInstance('tx_dlf_list');
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if (!empty($list->metadata['options']['source']) && $list->metadata['options']['source'] == 'search') {
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$lastQuery = $list->metadata['options']['select'];
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}
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// Configure @action URL for form.
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$linkConf = array (
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'parameter' => $GLOBALS['TSFE']->id,
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'forceAbsoluteUrl' => 1
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);
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// Fill markers.
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$markerArray = array (
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'###ACTION_URL###' => $this->cObj->typoLink_URL($linkConf),
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'###LABEL_QUERY###' => $this->pi_getLL('label.query'),
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'###LABEL_SUBMIT###' => $this->pi_getLL('label.submit'),
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'###FIELD_QUERY###' => $this->prefixId.'[query]',
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'###QUERY###' => htmlspecialchars($lastQuery),
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'###FIELD_DOC###' => $this->addCurrentDocument(),
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'###FIELD_COLL###' => $this->addCurrentCollection(),
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'###ADDITIONAL_INPUTS###' => $this->addEncryptedCoreName(),
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'###FACETS_MENU###' => $this->addFacetsMenu()
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);
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// Get additional fields for extended search.
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$extendedSearch = $this->addExtendedSearch();
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// Display search form.
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$content .= $this->cObj->substituteSubpart($this->cObj->substituteMarkerArray($this->template, $markerArray), '###EXT_SEARCH_ENTRY###', $extendedSearch);
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return $this->pi_wrapInBaseClass($content);
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} else {
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// Instantiate search object.
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$solr = tx_dlf_solr::getInstance($this->conf['solrcore']);
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if (!$solr->ready) {
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if (TYPO3_DLOG) {
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t3lib_div::devLog('[tx_dlf_search->main('.$content.', [data])] Apache Solr not available', $this->extKey, SYSLOG_SEVERITY_ERROR, $conf);
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}
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return $content;
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}
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// Build label for result list.
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$label = $this->pi_getLL('search', '', TRUE);
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if (!empty($this->piVars['query'])) {
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$label .= htmlspecialchars(sprintf($this->pi_getLL('for', ''), $this->piVars['query']));
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}
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// Set search parameters.
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$solr->limit = max(intval($this->conf['limit']), 1);
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$solr->cPid = $this->conf['pages'];
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// Set search query.
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$query = $this->piVars['query'];
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// Add extended search query.
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if (!empty($this->piVars['extQuery']) && is_array($this->piVars['extQuery'])) {
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if (!empty($query)) {
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$query = tx_dlf_solr::escapeQuery($query);
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}
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$allowedOperators = array ('AND', 'OR', 'NOT');
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$allowedFields = t3lib_div::trimExplode(',', $this->conf['extendedFields'], TRUE);
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for ($i = 0; $i < count($this->piVars['extQuery']); $i++) {
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if (!empty($this->piVars['extQuery'][$i])) {
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if (in_array($this->piVars['extOperator'][$i], $allowedOperators) && in_array($this->piVars['extField'][$i], $allowedFields)) {
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if (!empty($query)) {
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$query .= ' '.$this->piVars['extOperator'][$i].' ';
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|
|
|
}
|
|
|
|
$query .= tx_dlf_indexing::getIndexFieldName($this->piVars['extField'][$i], $this->conf['pages']).':('.tx_dlf_solr::escapeQuery($this->piVars['extQuery'][$i]).')';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Set query parameters.
|
|
$params = array ();
|
|
|
|
// Add filter query for faceting.
|
|
if (!empty($this->piVars['fq'])) {
|
|
|
|
$params = array ('fq' => $this->piVars['fq']);
|
|
|
|
}
|
|
|
|
// Add filter query for in-document searching.
|
|
if ($this->conf['searchIn'] == 'document' || $this->conf['searchIn'] == 'all') {
|
|
|
|
if (!empty($this->piVars['id']) && tx_dlf_helper::testInt($this->piVars['id'])) {
|
|
|
|
$params['fq'][] = 'uid:'.$this->piVars['id'].' OR partof:'.$this->piVars['id'];
|
|
|
|
$label .= htmlspecialchars(sprintf($this->pi_getLL('in', ''), tx_dlf_document::getTitle($this->piVars['id'])));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Add filter query for in-collection searching.
|
|
if ($this->conf['searchIn'] == 'collection' || $this->conf['searchIn'] == 'all') {
|
|
|
|
if (!empty($this->piVars['collection']) && tx_dlf_helper::testInt($this->piVars['collection'])) {
|
|
|
|
$index_name = tx_dlf_helper::getIndexName($this->piVars['collection'], 'tx_dlf_collections', $this->conf['pages']);
|
|
|
|
$params['fq'][] = 'collection_faceting:("'.tx_dlf_solr::escapeQuery($index_name).'")';
|
|
|
|
$label .= sprintf($this->pi_getLL('in', '', TRUE), tx_dlf_helper::translate($index_name, 'tx_dlf_collections', $this->conf['pages']));
|
|
|
|
}
|
|
|
|
}
|
|
$solr->params = $params;
|
|
|
|
// Perform search.
|
|
$results = $solr->search($query);
|
|
|
|
$results->metadata = array (
|
|
'label' => $label,
|
|
'description' => '<p class="tx-dlf-search-numHits">'.htmlspecialchars(sprintf($this->pi_getLL('hits', ''), $solr->numberOfHits, count($results))).'</p>',
|
|
'thumbnail' => '',
|
|
'options' => $results->metadata['options']
|
|
);
|
|
|
|
$results->save();
|
|
|
|
// Clean output buffer.
|
|
t3lib_div::cleanOutputBuffers();
|
|
|
|
// Keep some plugin variables.
|
|
$linkConf['parameter'] = $this->conf['targetPid'];
|
|
|
|
if (!empty($this->piVars['order'])) {
|
|
|
|
$linkConf['additionalParams'] = t3lib_div::implodeArrayForUrl($this->prefixId, array ('order' => $this->piVars['order'], 'asc' => (!empty($this->piVars['asc']) ? '1' : '0')), '', TRUE, FALSE);
|
|
|
|
}
|
|
|
|
// Send headers.
|
|
header('Location: '.t3lib_div::locationHeaderUrl($this->cObj->typoLink_URL($linkConf)));
|
|
|
|
// Flush output buffer and end script processing.
|
|
ob_end_flush();
|
|
|
|
exit;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* This builds a menu array for HMENU
|
|
*
|
|
* @access public
|
|
*
|
|
* @param string $content: The PlugIn content
|
|
* @param array $conf: The PlugIn configuration
|
|
*
|
|
* @return array HMENU array
|
|
*/
|
|
public function makeFacetsMenuArray($content, $conf) {
|
|
|
|
$this->init($conf);
|
|
|
|
$menuArray = array ();
|
|
|
|
// Set default value for facet search.
|
|
$search = array (
|
|
'query' => '*',
|
|
'params' => array ()
|
|
);
|
|
|
|
// Extract query and filter from last search.
|
|
$list = t3lib_div::makeInstance('tx_dlf_list');
|
|
|
|
if (!empty($list->metadata['options']['source'])) {
|
|
|
|
if ($list->metadata['options']['source'] == 'search') {
|
|
|
|
$search['query'] = $list->metadata['options']['select'];
|
|
|
|
}
|
|
|
|
$search['params'] = $list->metadata['options']['params'];
|
|
|
|
}
|
|
|
|
// Get applicable facets.
|
|
$solr = tx_dlf_solr::getInstance($this->conf['solrcore']);
|
|
|
|
if (!$solr->ready) {
|
|
|
|
if (TYPO3_DLOG) {
|
|
|
|
t3lib_div::devLog('[tx_dlf_search->makeFacetsMenuArray('.$content.', [data])] Apache Solr not available', $this->extKey, SYSLOG_SEVERITY_ERROR, $conf);
|
|
|
|
}
|
|
|
|
return array ();
|
|
|
|
}
|
|
|
|
// Set needed parameters for facet search.
|
|
if (empty($search['params']['fq'])) {
|
|
|
|
$search['params']['fq'] = array ();
|
|
|
|
}
|
|
|
|
$search['params']['facet'] = 'true';
|
|
|
|
$search['params']['facet.field'] = array_keys($this->conf['facets']);
|
|
|
|
//override SOLR default value for facet.limit of 100
|
|
$search['params']['facet.limit'] = $this->conf['limitFacets'];
|
|
|
|
// Perform search.
|
|
$results = $solr->service->search($search['query'], 0, $this->conf['limit'], $search['params']);
|
|
|
|
// Process results.
|
|
foreach ($results->facet_counts->facet_fields as $field => $values) {
|
|
|
|
$entryArray = array ();
|
|
|
|
$entryArray['title'] = htmlspecialchars($this->conf['facets'][$field]);
|
|
|
|
$entryArray['count'] = 0;
|
|
|
|
$entryArray['_OVERRIDE_HREF'] = '';
|
|
|
|
$entryArray['doNotLinkIt'] = 1;
|
|
|
|
$entryArray['ITEM_STATE'] = 'NO';
|
|
|
|
// Count number of facet values.
|
|
$i = 0;
|
|
|
|
foreach ($values as $value => $count) {
|
|
|
|
if ($count > 0) {
|
|
|
|
$hasValue = TRUE;
|
|
|
|
$entryArray['count']++;
|
|
|
|
if ($entryArray['ITEM_STATE'] == 'NO') {
|
|
|
|
$entryArray['ITEM_STATE'] = 'IFSUB';
|
|
|
|
}
|
|
|
|
$entryArray['_SUB_MENU'][] = $this->getFacetsMenuEntry($field, $value, $count, $search, $entryArray['ITEM_STATE']);
|
|
|
|
if (++$i == $this->conf['limit']) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
$menuArray[] = $entryArray;
|
|
|
|
}
|
|
|
|
return $menuArray;
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dlf/plugins/search/class.tx_dlf_search.php']) {
|
|
include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dlf/plugins/search/class.tx_dlf_search.php']);
|
|
}
|
|
|
|
?>
|