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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Paypal\Model\Config\Structure;
/**
* PayPal change structure of payment methods configuration in admin panel.
*/
class PaymentSectionModifier
{
/**
* Identifiers of special payment method configuration groups
*
* @var array
*/
private static $specialGroups = [
'account',
'recommended_solutions',
'other_paypal_payment_solutions',
'other_payment_methods',
];
/**
* Returns changed section structure.
*
* Payment configuration has predefined special blocks:
* - Account information (id = account),
* - Recommended Solutions (id = recommended_solutions),
* - Other PayPal payment solution (id = other_paypal_payment_solutions),
* - Other payment methods (id = other_payment_methods).
* All payment methods configuration should be moved to one of this group.
* To move payment method to specific configuration group specify "displayIn"
* attribute in system.xml file equals to any id of predefined special group.
* If "displayIn" attribute is not specified then payment method moved to "Other payment methods" group
*
* @param array $initialStructure
* @return array
*/
public function modify(array $initialStructure)
{
$changedStructure = array_fill_keys(self::$specialGroups, []);
foreach ($initialStructure as $childSection => $childData) {
if (in_array($childSection, self::$specialGroups)) {
if (isset($changedStructure[$childSection]['children'])) {
$children = $changedStructure[$childSection]['children'];
if (isset($childData['children'])) {
$children += $childData['children'];
}
$childData['children'] = $children;
unset($children);
}
$changedStructure[$childSection] = $childData;
} else {
$moveInstructions = $this->getMoveInstructions($childSection, $childData);
if (!empty($moveInstructions)) {
foreach ($moveInstructions as $moveInstruction) {
unset($childData['children'][$moveInstruction['section']]);
unset($moveInstruction['data']['displayIn']);
$changedStructure
[$moveInstruction['parent']]
['children']
[$moveInstruction['section']] = $moveInstruction['data'];
}
}
if (!isset($moveInstructions[$childSection])) {
$changedStructure['other_payment_methods']['children'][$childSection] = $childData;
}
}
}
return $changedStructure;
}
/**
* Recursively collect groups that should be moved to special section
*
* @param string $section
* @param array $data
* @return array
*/
private function getMoveInstructions($section, $data)
{
$moved = [];
if (array_key_exists('children', $data)) {
foreach ($data['children'] as $childSection => $childData) {
$movedChildren = $this->getMoveInstructions($childSection, $childData);
if (isset($movedChildren[$childSection])) {
unset($data['children'][$childSection]);
}
$moved = array_merge($moved, $movedChildren);
}
}
if (isset($data['displayIn']) && in_array($data['displayIn'], self::$specialGroups)) {
$moved = array_merge(
[
$section => [
'parent' => $data['displayIn'],
'section' => $section,
'data' => $data
]
],
$moved
);
}
return $moved;
}
}