class.ilMailLuceneQueryParser.php

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<?php
 
declare(strict_types=1);
 
class ilMailLuceneQueryParser extends ilLuceneQueryParser
{
    private array $fields = [];
 
    public function parse(): void
    {
        if (!empty($this->getFields())) {
            $queried_fields = [];
            $token_operator = ' OR ';
            if (ilSearchSettings::getInstance()->getDefaultOperator() === ilSearchSettings::OPERATOR_AND) {
                $token_operator = ' AND ';
            }
 
            // ILIAS 10: each filter field has now its own query string
            foreach ($this->getFields() as $field => $query_string) {
                if (empty($query_string)) {
                    continue;
                }
 
                $field_query = '';
                $tokens = array_map(trim(...), explode(' ', $query_string));
                foreach ($tokens as $token) {
                    if ($field_query !== '') {
                        $field_query .= $token_operator;
                    }
                    $field_query .= '(' . $field . ':' . $token . ')';
                }
 
                $queried_fields[] = '(' . $field_query . ')';
            }
 
            if ($queried_fields !== []) {
                $this->parsed_query = implode(' OR ', $queried_fields);
                return;
            }
        }
 
        parent::parse();
    }
 
    public function setFields(array $fields): void
    {
        $this->fields = $fields;
    }
 
    public function getFields(): array
    {
        return $this->fields;
    }
}