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<?php
namespace Icinga\Module\Director\PropertyModifier;
use Icinga\Module\Director\Data\InvalidDataException;
use Icinga\Module\Director\Hook\PropertyModifierHook;
use Icinga\Module\Director\Web\Form\QuickForm;
use InvalidArgumentException;
use ipl\Html\Error;
class PropertyModifierDictionaryToRow extends PropertyModifierHook
{
public function getName()
{
return 'Clone the row for every entry of a nested Dictionary/Hash structure';
}
public static function addSettingsFormFields(QuickForm $form)
{
$form->addElement('text', 'key_column', [
'label' => $form->translate('Key Property Name'),
'description' => $form->translate(
'Every Dictionary entry has a key, its value will be provided in this column'
)
]);
$form->addElement('select', 'on_empty', [
'label' => $form->translate('When empty'),
'description' => $form->translate('What should we do in case the given value is empty?'),
'multiOptions' => $form->optionalEnum([
'reject' => $form->translate('Drop the current row'),
'fail' => $form->translate('Let the whole import run fail'),
'keep' => $form->translate('Keep the row, set the column value to null'),
]),
'value' => 'reject',
'required' => true,
]);
}
public function requiresRow()
{
return true;
}
public function hasArraySupport()
{
return true;
}
public function expandsRows()
{
return true;
}
public function transform($value)
{
if (empty($value)) {
$onDuplicate = $this->getSetting('on_empty', 'reject');
switch ($onDuplicate) {
case 'reject':
return [];
case 'keep':
return [null];
case 'fail':
throw new InvalidArgumentException('Failed to clone row, value is empty');
default:
throw new InvalidArgumentException(
"'$onDuplicate' is not a valid 'on_duplicate' setting"
);
}
}
$keyColumn = $this->getSetting('key_column');
if (! \is_object($value)) {
throw new InvalidArgumentException(
"Object required to clone this row, got " . Error::getPhpTypeName($value)
);
}
$result = [];
foreach ($value as $key => $properties) {
if (! is_object($properties)) {
throw new InvalidDataException(
sprintf('Nested "%s" dictionary', $key),
$properties
);
}
$properties->$keyColumn = $key;
$result[] = $properties;
}
return $result;
}
}
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