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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * EDS API Query Adapter: search query parameters to AbstractQuery object |
| 5 | * |
| 6 | * PHP version 8 |
| 7 | * |
| 8 | * Copyright (C) Villanova University 2011. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2, |
| 12 | * as published by the Free Software Foundation. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 22 | * |
| 23 | * @category VuFind |
| 24 | * @package EBSCO |
| 25 | * @author Michelle Milton <mmilton@epnet.com> |
| 26 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
| 27 | * @link https://vufind.org Main Page |
| 28 | */ |
| 29 | |
| 30 | namespace VuFind\Search\EDS; |
| 31 | |
| 32 | use VuFindSearch\Query\AbstractQuery; |
| 33 | use VuFindSearch\Query\Query; |
| 34 | use VuFindSearch\Query\QueryGroup; |
| 35 | |
| 36 | use function call_user_func; |
| 37 | use function count; |
| 38 | |
| 39 | /** |
| 40 | * EDS API Query Adapter: search query parameters to AbstractQuery object |
| 41 | * |
| 42 | * @category VuFind |
| 43 | * @package EBSCO |
| 44 | * @author Michelle Milton <mmilton@epnet.com> |
| 45 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
| 46 | * @link https://vufind.org Main Page |
| 47 | */ |
| 48 | class QueryAdapter extends \VuFind\Search\QueryAdapter |
| 49 | { |
| 50 | /** |
| 51 | * Support method for display() -- process advanced queries. |
| 52 | * |
| 53 | * @param QueryGroup $query Query to convert |
| 54 | * @param callable $translate Callback to translate strings |
| 55 | * @param callable $showName Callback to translate field names |
| 56 | * |
| 57 | * @return string |
| 58 | */ |
| 59 | protected function displayAdvanced( |
| 60 | QueryGroup $query, |
| 61 | callable $translate, |
| 62 | callable $showName |
| 63 | ) { |
| 64 | // There should only ever be 1 group with EDS queries. |
| 65 | $all = []; |
| 66 | foreach ($query->getQueries() as $search) { |
| 67 | if ($search instanceof QueryGroup) { |
| 68 | // Process each search group. There should only be 1 with EDS queries |
| 69 | $groupQueries = $search->getQueries(); |
| 70 | for ($i = 0; $i < count($groupQueries); $i++) { |
| 71 | $group = $groupQueries[$i]; |
| 72 | if ($group instanceof Query) { |
| 73 | // Build this group individually as a basic search |
| 74 | $queryOperator = $group->getOperator(); |
| 75 | $op = (null != $queryOperator && 0 != $i) ? |
| 76 | call_user_func($translate, $queryOperator) . ' ' : ''; |
| 77 | $all[] = $op |
| 78 | . call_user_func($showName, $group->getHandler()) . ':' |
| 79 | . $group->getString(); |
| 80 | } else { |
| 81 | throw new \Exception('Unexpected ' . $group::class); |
| 82 | } |
| 83 | } |
| 84 | } else { |
| 85 | throw new \Exception('Unexpected ' . $search::class); |
| 86 | } |
| 87 | } |
| 88 | return '(' . implode(' ', $all) . ')'; |
| 89 | } |
| 90 | } |