my changes
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Arno Kaimbacher
parent
28301e4312
commit
8dc1f1b048
263 changed files with 36882 additions and 4453 deletions
257
app/Library/Util/QueryBuilder.php
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257
app/Library/Util/QueryBuilder.php
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<?php
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namespace App\Library\Util;
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use App\Library\Util\Searchtypes;
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use App\Library\Util\SolrSearchQuery;
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class QueryBuilder
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{
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private $_logger;
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private $_filterFields;
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private $_searchFields;
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private $_export = false;
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const SEARCH_MODIFIER_CONTAINS_ALL = "contains_all";
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const SEARCH_MODIFIER_CONTAINS_ANY = "contains_any";
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const SEARCH_MODIFIER_CONTAINS_NONE = "contains_none";
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const MAX_ROWS = 2147483647;
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/**
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*
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* @param boolean $export
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*/
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public function __construct($export = false)
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{
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$this->_filterFields = array();
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// $filters = Opus_Search_Config::getFacetFields();
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// if ( !count( $filters ) ) {
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// $this->_logger->debug( 'key searchengine.solr.facets is not present in config. skipping filter queries' );
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// } else {
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// $this->_logger->debug( 'searchengine.solr.facets is set to ' . implode( ',', $filters ) );
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// }
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// foreach ($filters as $filterfield) {
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// if ($filterfield == 'year_inverted') {
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// $filterfield = 'year';
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// }
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// array_push($this->_filterFields, trim($filterfield));
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// }
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$this->_searchFields = array('author', 'title', 'persons', 'referee', 'abstract', 'fulltext', 'year');
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$this->_export = $export;
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}
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/**
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*
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* @param $request
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* @return array
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*/
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public function createQueryBuilderInputFromRequest($request) : array
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{
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if (is_null($request->all())) {
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throw new Application_Util_QueryBuilderException('Unable to read request data.Search cannot be performed.');
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}
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if (is_null($request->input('searchtype'))) {
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throw new Application_Util_QueryBuilderException('Unspecified search type: unable to create query.');
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}
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if (!Searchtypes::isSupported($request->input('searchtype'))) {
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throw new Application_Util_QueryBuilderException(
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'Unsupported search type ' . $request->input('searchtype') . ' : unable to create query.'
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);
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}
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$this->validateParamsType($request);
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if ($request->input('sortfield')) {
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$sorting = array($request->input('sortfield'), 'asc');
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} else {
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//$sorting = Opus_Search_Query::getDefaultSorting();
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$sorting = array('score', 'desc' );
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}
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$input = array(
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'searchtype' => $request->input('searchtype'),
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'start' => $request->input('start'),//, Opus_Search_Query::getDefaultStart()),
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'rows' => $request->input('rows'),// Opus_Search_Query::getDefaultRows()),
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'sortField' => $sorting[0],
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'sortOrder' => $request->input('sortorder', $sorting[1]),
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'docId' => $request->input('docId'),
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'query' => $request->input('query', '*:*')
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);
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//if ($this->_export) {
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// $maxRows = self::MAX_ROWS;
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// // pagination within export was introduced in OPUS 4.2.2
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// $startParam = $request->input('start', 0);
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// $rowsParam = $request->input('rows', $maxRows);
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// $start = intval($startParam);
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// $rows = intval($rowsParam);
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// $input['start'] = $start > 0 ? $start : 0;
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// $input['rows'] = $rows > 0 || ($rows == 0 && $rowsParam == '0') ? $rows : $maxRows;
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// if ($input['start'] > $maxRows) {
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// $input['start'] = $maxRows;
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// }
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// if ($input['rows'] + $input['start'] > $maxRows) {
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// $input['rows'] = $maxRows - $start;
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// }
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//}
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foreach ($this->_searchFields as $searchField) {
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$input[$searchField] = $request->input($searchField, '');
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$input[$searchField . 'modifier'] = $request->input(
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$searchField . 'modifier',
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self::SEARCH_MODIFIER_CONTAINS_ALL
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);
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}
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// foreach ($this->_filterFields as $filterField) {
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// $param = $filterField . 'fq';
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// $input[$param] = $request->getParam($param, '');
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// }
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// if ($request->getParam('searchtype') === Searchtypes::COLLECTION_SEARCH
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// || $request->input('searchtype') === Searchtypes::SERIES_SEARCH)
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// {
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// $searchParams = new Application_Util_BrowsingParams($request, $this->_logger);
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// switch ($request->input('searchtype')) {
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// case Searchtypes::COLLECTION_SEARCH:
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// $input['collectionId'] = $searchParams->getCollectionId();
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// break;
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// case Searchtypes::SERIES_SEARCH:
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// $input['seriesId'] = $searchParams->getSeriesId();
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// break;
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// }
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// }
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return $input;
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}
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/**
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* Checks if all given parameters are of type string. Otherwise, throws Application_Util_QueryBuilderException.
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*
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* @throws //Application_Util_QueryBuilderException
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*/
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private function validateParamsType($request)
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{
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$paramNames = array(
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'searchtype',
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'start',
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'rows',
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'sortField',
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'sortOrder',
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'search',
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'collectionId',
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'seriesId'
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);
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foreach ($this->_searchFields as $searchField) {
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array_push($paramNames, $searchField, $searchField . 'modifier');
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}
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foreach ($this->_filterFields as $filterField) {
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array_push($paramNames, $filterField . 'fq');
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}
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foreach ($paramNames as $paramName) {
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$paramValue = $request->input($paramName, null);
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if (!is_null($paramValue) && !is_string($paramValue)) {
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throw new Application_Util_QueryBuilderException('Parameter ' . $paramName . ' is not of type string');
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}
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}
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}
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/**
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*
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* @param array $input
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* @return SolrSearchQuery
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*/
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public function createSearchQuery($input) : SolrSearchQuery
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{
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if ($input['searchtype'] === Searchtypes::SIMPLE_SEARCH) {
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return $this->createSimpleSearchQuery($input);
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//return $this->createAllSearchQuery($input);
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}
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if ($input['searchtype'] === Searchtypes::ALL_SEARCH) {
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return $this->createAllSearchQuery($input);
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}
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return $this->createSimpleSearchQuery($input);
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}
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// private function createIdSearchQuery($input) {
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// $this->_logger->debug("Constructing query for id search.");
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// if (is_null($input['docId'])) {
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// throw new Application_Exception("No id provided.", 404);
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// }
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// $query = new Opus_SolrSearch_Query(Opus_SolrSearch_Query::DOC_ID);
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// $query->setField('id', $input['docId']);
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// if ($this->_export) {
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// $query->setReturnIdsOnly(true);
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// }
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// $this->_logger->debug("Query $query complete");
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// return $query;
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// }
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private function createAllSearchQuery($input)
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{
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//$this->_logger->debug("Constructing query for all search.");
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$query = new SolrSearchQuery(SolrSearchQuery::ALL_DOCS);
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$query->setStart("0");//$input['start']);
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//$query->setRows($input['rows']);
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$query->setRows("10");
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$query->setSortField($input['sortField']);
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$query->setSortOrder($input['sortOrder']);
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//$this->addFiltersToQuery($query, $input);
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//if ($this->_export) {
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// $query->setReturnIdsOnly(true);
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//}
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//$this->_logger->debug("Query $query complete");
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return $query;
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}
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private function createSimpleSearchQuery($input) : SolrSearchQuery
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{
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// $this->_logger->debug("Constructing query for simple search.");
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$solrQuery = new SolrSearchQuery(SolrSearchQuery::SIMPLE);
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$solrQuery->setStart($input['start']);
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$solrQuery->setRows("10");//$input['rows']);
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$solrQuery->setSortField($input['sortField']);
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$solrQuery->setSortOrder($input['sortOrder']);
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$solrQuery->setCatchAll($input['query']);
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//$this->addFiltersToQuery($solrQuery, $input);
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// if ($this->_export) {
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// $solrQuery->setReturnIdsOnly(true);
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// }
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// $this->_logger->debug("Query $solrQuery complete");
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return $solrQuery;
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}
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private function addFiltersToQuery($query, $input)
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{
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foreach ($this->_filterFields as $filterField) {
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$facetKey = $filterField . 'fq';
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$facetValue = $input[$facetKey];
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if ($facetValue !== '') {
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$this->_logger->debug(
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"request has facet key: $facetKey - value is: $facetValue - corresponding facet is: $filterField"
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);
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$query->addFilterQuery($filterField, $facetValue);
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}
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}
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}
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}
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