class.ilLMContentSearch.php

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<?php

declare(strict_types=1);
class ilLMContentSearch extends ilAbstractSearch
{
    public function performSearch(): ilSearchResult
    {
        $this->setFields(array('content'));

        $in = $this->__createInStatement();
        $where = $this->__createWhereCondition();
        $locate = $this->__createLocateString();

        $query = "SELECT page_id,parent_id,parent_type " .
            $locate .
            "FROM page_object, lm_data " .
            $where .
            "AND obj_id = page_id " .
            $in;


        $res = $this->db->query($query);
        while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
            $this->search_result->addEntry(
                (int) $row->parent_id,
                (string) $row->parent_type,
                $this->__prepareFound($row),
                (int) $row->page_id
            );
        }

        return $this->search_result;
    }



    // Protected can be overwritten in Like or Fulltext classes
    public function __createInStatement(): string
    {
        global $DIC;

        $ilDB = $DIC['ilDB'];

        if (!$this->getFilter() and !$this->getIdFilter()) {
            return '';
        }

        $in = '';
        if ($this->getFilter()) {
            $type = "('";
            $type .= implode("','", $this->getFilter());
            $type .= "')";

            $in = " AND parent_type IN " . $type . ' ';
        }
        if ($this->getIdFilter()) {
            $in .= ' AND ';
            $in .= $ilDB->in('parent_id', $this->getIdFilter(), false, 'integer');
        }
        return $in;
    }
}