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

Collaboration diagram for ilLSPostConditionDB:

Public Member Functions
	__construct (ilDBInterface $db)

	select (array $ref_ids)

	delete (array $ref_ids, ilDBInterface $db=null)

	upsert (array $ls_post_conditions)

Data Fields
const	TABLE_NAME = 'post_conditions'

const	STD_ALWAYS_OPERATOR = 'always'

Protected Member Functions
	insert (array $ls_post_conditions, ilDBInterface $db)

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 Storage for ilLSPostConditions

Definition at line 24 of file class.ilLSPostConditionDB.php.

Constructor & Destructor Documentation

◆ __construct()

ilLSPostConditionDB::__construct ( ilDBInterface $db )

Definition at line 31 of file class.ilLSPostConditionDB.php.

    {
        $this->db = $db;
    }

References $db.

Member Function Documentation

◆ delete()

ilLSPostConditionDB::delete	(	array	$ref_ids,
		ilDBInterface	$db = `null`
	)

Definition at line 73 of file class.ilLSPostConditionDB.php.

                                                                    : void
    {
        if ($ref_ids === []) {
            return;
        }
 
        if (is_null($db)) {
            $db = $this->db;
        }
 
        $query =
              "DELETE FROM " . static::TABLE_NAME . PHP_EOL
            . "WHERE ref_id IN (" . implode(',', $ref_ids) . ")" . PHP_EOL
        ;
 
        $db->manipulate($query);
    }

References $db, $query, and ilDBInterface\manipulate().

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◆ insert()

ilLSPostConditionDB::insert	(	array	$ls_post_conditions,
		ilDBInterface	$db
	)

protected

Definition at line 91 of file class.ilLSPostConditionDB.php.

                                                                           : void
    {
        foreach ($ls_post_conditions as $condition) {
            $values = [
                "ref_id" => ["integer", $condition->getRefId()],
                "condition_operator" => ["text", $condition->getConditionOperator()],
                "value" => ["text", $condition->getValue()]
            ];
            $db->insert(static::TABLE_NAME, $values);
        }
    }

References $db, and ilDBInterface\insert().

Referenced by upsert().

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◆ select()

ilLSPostConditionDB::select ( array $ref_ids )

Returns: ilLSPostCondition[]

Definition at line 39 of file class.ilLSPostConditionDB.php.

                                          : array
    {
        if ($ref_ids === []) {
            return [];
        }
 
        $data = [];
        $query =
              "SELECT ref_id, condition_operator, value" . PHP_EOL
            . "FROM " . static::TABLE_NAME . PHP_EOL
            . "WHERE ref_id IN (" . implode(',', $ref_ids) . ")" . PHP_EOL
        ;
 
        $result = $this->db->query($query);
 
        while ($row = $this->db->fetchAssoc($result)) {
            $data[$row['ref_id']] = [$row['condition_operator'], $row['value']];
        }
 
        $conditions = [];
        foreach ($ref_ids as $ref_id) {
            //always-condition, standard
            $op = self::STD_ALWAYS_OPERATOR;
            $value = null;
 
            //if from db: proper values
            if (array_key_exists($ref_id, $data)) {
                list($op, $value) = $data[$ref_id];
            }
            $conditions[] = new \ilLSPostCondition($ref_id, $op, $value);
        }
        return $conditions;
    }

References $data, $query, $ref_id, and STD_ALWAYS_OPERATOR.

◆ upsert()

ilLSPostConditionDB::upsert ( array $ls_post_conditions )

Parameters

ilLSPostCondition[]

Definition at line 106 of file class.ilLSPostConditionDB.php.

                                                     : void
    {
        if ($ls_post_conditions === []) {
            return;
        }
 
        $ref_ids = array_map(
            fn (ilLSPostCondition $condition) => $condition->getRefId(),
            $ls_post_conditions
        );
 
        $ilAtomQuery = $this->db->buildAtomQuery();
        $ilAtomQuery->addTableLock(static::TABLE_NAME);
        $ilAtomQuery->addQueryCallable(
            function (ilDBInterface $db) use ($ref_ids, $ls_post_conditions): void {
                $this->delete($ref_ids, $db);
                $this->insert($ls_post_conditions, $db);
            }
        );
        $ilAtomQuery->run();
    }