public function PriceCalculatorPass::process in Commerce Core 8.2

File

modules/order/src/DependencyInjection/Compiler/PriceCalculatorPass.php, line 19

Class

PriceCalculatorPass

Adds order processors to the PriceCalculator, grouped by adjustment type.

Namespace

Drupal\commerce_order\DependencyInjection\Compiler

Code

public function process(ContainerBuilder $container) {
  $definition = $container
    ->getDefinition('commerce_order.price_calculator');
  $processor_interface = OrderProcessorInterface::class;
  $processors = [];
  foreach ($container
    ->findTaggedServiceIds('commerce_order.order_processor') as $id => $attributes) {
    $processor = $container
      ->getDefinition($id);
    if (!is_subclass_of($processor
      ->getClass(), $processor_interface)) {
      throw new LogicException("Service '{$id}' does not implement {$processor_interface}.");
    }
    $attribute = $attributes[0];
    if (empty($attribute['adjustment_type'])) {
      continue;
    }
    $processors[$id] = [
      'priority' => isset($attribute['priority']) ? $attribute['priority'] : 0,
      'adjustment_type' => $attribute['adjustment_type'],
    ];
  }

  // Sort the processors by priority.
  uasort($processors, function ($processor1, $processor2) {
    if ($processor1['priority'] == $processor2['priority']) {
      return 0;
    }
    return $processor1['priority'] > $processor2['priority'] ? -1 : 1;
  });

  // Add the processors to PriceCalculator.
  foreach ($processors as $id => $processor) {
    $arguments = [
      new Reference($id),
      $processor['adjustment_type'],
    ];
    $definition
      ->addMethodCall('addProcessor', $arguments);
  }
}