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<?php
namespace Icinga\Module\Director\PropertyModifier;
use Icinga\Exception\InvalidPropertyException;
use Icinga\Module\Director\Hook\PropertyModifierHook;
use Icinga\Module\Director\Web\Form\QuickForm;
class PropertyModifierMakeBoolean extends PropertyModifierHook
{
protected static $validStrings = array(
'0' => false,
'false' => false,
'n' => false,
'no' => false,
'1' => true,
'true' => true,
'y' => true,
'yes' => true,
);
public function getName()
{
return 'Convert to a boolean value';
}
public static function addSettingsFormFields(QuickForm $form)
{
$form->addElement('select', 'on_invalid', array(
'label' => 'Invalid properties',
'required' => true,
'description' => $form->translate(
'This modifier transforms 0/"0"/false/"false"/"n"/"no" to false'
. ' and 1, "1", true, "true", "y" and "yes" to true, both in a'
. ' case insensitive way. What should happen if the given value'
. ' does not match any of those?'
. ' You could return a null value, or default to false or true.'
. ' You might also consider interrupting the whole import process'
. ' as of invalid source data'
),
'multiOptions' => $form->optionalEnum(array(
'null' => $form->translate('Set null'),
'true' => $form->translate('Set true'),
'false' => $form->translate('Set false'),
'fail' => $form->translate('Let the import fail'),
)),
));
}
public function transform($value)
{
if ($value === false || $value === true || $value === null) {
return $value;
}
if ($value === 0) {
return false;
}
if ($value === 1) {
return true;
}
if (is_string($value)) {
$value = strtolower($value);
if (array_key_exists($value, self::$validStrings)) {
return self::$validStrings[$value];
}
}
switch ($this->getSetting('on_invalid')) {
case 'null':
return null;
case 'false':
return false;
case 'true':
return true;
case 'fail':
default:
throw new InvalidPropertyException(
'"%s" cannot be converted to a boolean value',
$value
);
}
}
}
|
