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<?php |
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/* |
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* This file is part of the Zikula package. |
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* |
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* Copyright Zikula Foundation - http://zikula.org/ |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Zikula\SearchModule\Twig; |
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use Zikula\ExtensionsModule\Api\VariableApi; |
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/** |
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* Twig extension class. |
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*/ |
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class TwigExtension extends \Twig_Extension |
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{ |
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/** |
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* @var VariableApi |
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*/ |
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private $variableApi; |
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/** |
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* TwigExtension constructor. |
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* |
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* @param VariableApi $variableApi VariableApi service instance |
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*/ |
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public function __construct(VariableApi $variableApi) |
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{ |
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$this->variableApi = $variableApi; |
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} |
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/** |
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* Returns a list of custom Twig functions. |
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* |
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* @return array |
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*/ |
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public function getFunctions() |
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{ |
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return [ |
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new \Twig_SimpleFunction('zikulasearchmodule_searchVarToFieldNames', [$this, 'searchVarToFieldNames']), |
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]; |
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} |
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/** |
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* Returns a list of custom Twig filters. |
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* |
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* @return array |
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*/ |
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public function getFilters() |
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{ |
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return [ |
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new \Twig_SimpleFilter('zikulasearchmodule_highlightGoogleKeywords', [$this, 'highlightGoogleKeywords']), |
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]; |
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} |
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/** |
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* The zikulasearchmodule_searchVarToFieldNames function generates a flat lost of field names |
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* for hidden form fields from a nested array set |
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* |
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* @param array|string $data The data that should be stored in hidden fields (nested arrays allowed). |
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* If an empty string is given and $isRecursiveCall is false the module vars are used by default |
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* @param string $prefix Optional prefix |
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* @param bool $isRecursiveCall Flag to determine whether this method has been called recursively |
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* |
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* @return array List of hidden form fields |
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*/ |
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public function searchVarToFieldNames($data = '', $prefix = 'modvar', $isRecursiveCall = false) |
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{ |
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$dataValues = $data != '' && $isRecursiveCall ? $data : $this->variableApi->getAll('ZikulaSearchModule'); |
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$fields = []; |
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if (empty($dataValues)) { |
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return $fields; |
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} |
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if (is_array($dataValues)) { |
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foreach ($dataValues as $key => $entryData) { |
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if (empty($entryData)) { |
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continue; |
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} |
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$subFields = $this->searchVarToFieldNames($entryData, $prefix . '[' . $key . ']', true); |
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$fields = array_merge($fields, $subFields); |
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} |
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} else { |
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$fields[$prefix] = $dataValues; |
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} |
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return $fields; |
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} |
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/** |
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* Highlights case insensitive google search phrase. |
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* |
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* @param string $text The string to operate on |
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* @param string $searchPhrase The search phrase |
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* @param integer $contextSize The number of chars shown as context around the search phrase |
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* |
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* @return string |
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*/ |
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public function highlightGoogleKeywords($text, $searchPhrase, $contextSize) |
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{ |
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return \StringUtil::highlightWords($text, $searchPhrase, $contextSize); |
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} |
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} |
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zikula /
core
