This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V. More...

Inheritance diagram for ilAccessibilityTableDatabaseDataProvider:

Collaboration diagram for ilAccessibilityTableDatabaseDataProvider:

Public Member Functions
	__construct (ilDBInterface $db)

	getList (array $params, array $filter)

	getList (array $params, array $filter)

Protected Member Functions
	getSelectPart (array $params, array $filter)

	getFromPart (array $params, array $filter)

	getWherePart (array $params, array $filter)

	getGroupByPart (array $params, array $filter)

	getHavingPart (array $params, array $filter)

	getOrderByPart (array $params, array $filter)

Protected Attributes
ilDBInterface	$db

Detailed Description

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V.

ILIAS is licensed with the GPL-3.0, see https://www.gnu.org/licenses/gpl-3.0.en.html You should have received a copy of said license along with the source code, too.

If this is not the case or you just want to try ILIAS, you'll find us at: https://www.ilias.de https://github.com/ILIAS-eLearning Class ilAccessibilityTableDatabaseDataProvider

Definition at line 22 of file class.ilAccessibilityTableDatabaseDataProvider.php.

Constructor & Destructor Documentation

◆ __construct()

ilAccessibilityTableDatabaseDataProvider::__construct ( ilDBInterface $db )

Definition at line 26 of file class.ilAccessibilityTableDatabaseDataProvider.php.

    {
        $this->db = $db;
    }

References $db.

Member Function Documentation

◆ getFromPart()

ilAccessibilityTableDatabaseDataProvider::getFromPart	(	array	$params,
		array	$filter
	)

abstractprotected

Referenced by getList().

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◆ getGroupByPart()

ilAccessibilityTableDatabaseDataProvider::getGroupByPart	(	array	$params,
		array	$filter
	)

abstractprotected

Referenced by getList().

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◆ getHavingPart()

ilAccessibilityTableDatabaseDataProvider::getHavingPart	(	array	$params,
		array	$filter
	)

abstractprotected

Referenced by getList().

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◆ getList()

ilAccessibilityTableDatabaseDataProvider::getList	(	array	$params,
		array	$filter
	)

Exceptions

InvalidArgumentException

Implements ilAccessibilityTableDataProvider.

Definition at line 46 of file class.ilAccessibilityTableDatabaseDataProvider.php.

                                                         : array
    {
        $data = [
            'items' => [],
            'cnt' => 0
        ];
 
        $select = $this->getSelectPart($params, $filter);
        $where = $this->getWherePart($params, $filter);
        $from = $this->getFromPart($params, $filter);
        $order = $this->getOrderByPart($params, $filter);
        $group = $this->getGroupByPart($params, $filter);
        $having = $this->getHavingPart($params, $filter);
 
        if (isset($params['limit'])) {
            if (!is_numeric($params['limit'])) {
                throw new InvalidArgumentException('Please provide a valid numerical limit.');
            }
 
            if (!isset($params['offset'])) {
                $params['offset'] = 0;
            } else {
                if (!is_numeric($params['offset'])) {
                    throw new InvalidArgumentException('Please provide a valid numerical offset.');
                }
            }
 
            $this->db->setLimit($params['limit'], $params['offset']);
        }
 
        $where = strlen($where) ? 'WHERE ' . $where : '';
        $query = "SELECT {$select} FROM {$from} {$where}";
 
        if (strlen($group)) {
            $query .= " GROUP BY {$group}";
        }
 
        if (strlen($having)) {
            $query .= " HAVING {$having}";
        }
 
        if (strlen($order)) {
            $query .= " ORDER BY {$order}";
        }
 
        $res = $this->db->query($query);
        while ($row = $this->db->fetchAssoc($res)) {
            $data['items'][] = $row;
        }
 
        if (isset($params['limit'])) {
            $cnt_sql = "SELECT COUNT(*) cnt FROM ({$query}) subquery";
            $row_cnt = $this->db->fetchAssoc($this->db->query($cnt_sql));
            $data['cnt'] = $row_cnt['cnt'];
        }
 
        return $data;
    }