CheckedOutDeltaField.inc.php
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<?php
class CheckedOutDeltaField extends DBFieldExpr
{
private $modifiedName;
public function __construct()
{
parent::__construct('checkedout', 'documents', _kt('Checked Out Delta'));
$this->setAlias('CheckedoutDelta');
$this->isValueQuoted(false);
}
public function modifyName($sql)
{
$this->modifiedName = $sql;
$now = date('Y-m-d');
return "cast('$now' as date)";
}
public function modifyValue($value)
{
return "cast($this->modifiedName + $value as date)";
}
public function getInputRequirements()
{
return array('value'=>array('type'=>FieldInputType::DATEDIFF));
}
public function is_valid()
{
return DefaultOpCollection::validateParent($this, DefaultOpCollection::$between);
}
}
?>