69 lines
2.6 KiB
PHP
69 lines
2.6 KiB
PHP
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<?php
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namespace App\Library\Search;
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use App\Library\Util\QueryBuilder;
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use App\Library\Util\Searchtypes;
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use App\Library\Util\SolrSearchQuery;
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/**
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* Class for navigation in search results.
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*/
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class Navigation
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{
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/**
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* Builds query for Solr search.
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* @return SolrSearchQuery|void
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* @throws Application_Exception, Application_Util_BrowsingParamsException, Application_Util_QueryBuilderException
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*/
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public static function getQueryUrl(\Illuminate\Http\Request $request) : SolrSearchQuery
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{
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$queryBuilder = new QueryBuilder();
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$queryBuilderInput = $queryBuilder->createQueryBuilderInputFromRequest($request);
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if (is_null($request->input('sortfield')) &&
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($request->input('browsing') === 'true' || $request->input('searchtype') === 'collection')) {
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$queryBuilderInput['sortField'] = 'server_date_published';
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}
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if ($request->input('searchtype') === Searchtypes::LATEST_SEARCH) {
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return $queryBuilder->createSearchQuery(self::validateInput($queryBuilderInput, 10, 100));
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}
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$solrSearchQuery = $queryBuilder->createSearchQuery(self::validateInput($queryBuilderInput, 1, 100));
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return $solrSearchQuery;
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//$queryBuilder->createSearchQuery(self::validateInput($queryBuilderInput,1, 100));
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}
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/**
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* Adjust the actual rows parameter value if it is not between $min
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* and $max (inclusive). In case the actual value is smaller (greater)
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* than $min ($max) it is adjusted to $min ($max).
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*
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* Sets the actual start parameter value to 0 if it is negative.
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*
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* @param array $data An array that contains the request parameters.
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* @param int $lowerBoundInclusive The lower bound.
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* @param int $upperBoundInclusive The upper bound.
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* @return int Returns the actual rows parameter value or an adjusted value if
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* it is not in the interval [$lowerBoundInclusive, $upperBoundInclusive].
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*
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*/
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private static function validateInput(array $input, $min = 1, $max = 100) : array
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{
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if ($input['rows'] > $max) {
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// $logger->warn("Values greater than $max are currently not allowed for the rows paramter.");
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$input['rows'] = $max;
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}
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if ($input['rows'] < $min) {
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// $logger->warn("rows parameter is smaller than $min: adjusting to $min.");
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$input['rows'] = $min;
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}
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if ($input['start'] < 0) {
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// $logger->warn("A negative start parameter is ignored.");
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$input['start'] = 0;
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}
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return $input;
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}
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}
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