class.ilLikeMetaDataSearch.php

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<?php

declare(strict_types=1);
class ilLikeMetaDataSearch extends ilMetaDataSearch
{
    // Private
    public function __createKeywordWhereCondition(): string
    {
        $concat = ' keyword ';
        $where = " WHERE (";
        $counter = 0;
        foreach ($this->query_parser->getQuotedWords() as $word) {
            if ($counter++) {
                $where .= "OR";
            }
            $where .= $this->db->like($concat, 'text', '%' . $word . '%');
            #$where .= $concat;
            #$where .= (" LIKE ('%".$word."%')");
        }
        return $where . ') ';
    }

    public function __createContributeWhereCondition(): string
    {
        $concat = ' entity ';
        $where = " WHERE (";
        $counter = 0;
        foreach ($this->query_parser->getQuotedWords() as $word) {
            if ($counter++) {
                $where .= "OR";
            }
            #$where .= $concat;
            #$where .= (" LIKE ('%".$word."%')");
            $where .= $this->db->like($concat, 'text', '%' . $word . '%');
        }
        return $where . ') ';
    }
    public function __createTitleWhereCondition(): string
    {
        /*
        $concat = ' CONCAT(title,coverage) '; // broken if coverage is null
        // DONE: fix coverage search
        $concat = ' title ';
        */

        $concat = $this->db->concat(
            array(
                array('title','text'),
                array('coverage','text'))
        );


        $where = " WHERE (";
        $counter = 0;
        foreach ($this->query_parser->getQuotedWords() as $word) {
            if ($counter++) {
                $where .= "OR";
            }
            #$where .= $concat;
            #$where .= (" LIKE ('%".$word."%')");
            $where .= $this->db->like($concat, 'text', '%' . $word . '%');
        }
        return $where . ' )';
    }

    public function __createDescriptionWhereCondition(): string
    {
        $concat = ' description ';
        $where = " WHERE (";
        $counter = 0;
        foreach ($this->query_parser->getQuotedWords() as $word) {
            if ($counter++) {
                $where .= "OR";
            }
            #$where .= $concat;
            #$where .= (" LIKE ('%".$word."%')");
            $where .= $this->db->like($concat, 'text', '%' . $word . '%');
        }
        return $where . ') ';
    }
}