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<?php |
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/* |
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* This file is part of the ICanBoogie package. |
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* |
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* (c) Olivier Laviale <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace ICanBoogie\MessageBus\Symfony; |
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use InvalidArgumentException; |
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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/** |
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* A compiler pass that inspect message bus handlers and voters to create mapping parameters. |
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* |
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* The following parameters are created (names are customizable): |
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* |
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* - `message_bus.message_to_handler`: array<class-string, string> where _key_ is the class of a message and _value_ |
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* the service identifier of a message handler. |
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* - `message_bus.permissions_by_message`: array<class-string, string[]> where _key_ is the class of a message and |
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* _value_ an array of permissions. |
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* - `message_bus.permission_to_voter`: array<string, string> where _key_ is a permission and _value_ the service |
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* identifier of a voter. |
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*/ |
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final class MessageBusPass implements CompilerPassInterface |
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{ |
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public const DEFAULT_PARAMETER_FOR_MESSAGE_TO_HANDLER = 'message_bus.message_to_handler'; |
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public const DEFAULT_TAG_FOR_HANDLER = 'message_bus.handler'; |
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public const DEFAULT_ATTRIBUTE_FOR_MESSAGE = 'message'; |
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public const DEFAULT_PARAMETER_FOR_PERMISSIONS_BY_MESSAGE = 'message_bus.permissions_by_message'; |
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public const DEFAULT_TAG_FOR_PERMISSION = 'message_bus.permission'; |
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public const DEFAULT_ATTRIBUTE_FOR_PERMISSION = 'permission'; |
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public const DEFAULT_PARAMETER_FOR_PERMISSION_TO_VOTER = 'message_bus.permission_to_voter'; |
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public const DEFAULT_TAG_FOR_VOTER = 'message_bus.voter'; |
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public function __construct( |
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private string $parameterForMessageToHandler = self::DEFAULT_PARAMETER_FOR_MESSAGE_TO_HANDLER, |
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private string $tagForHandler = self::DEFAULT_TAG_FOR_HANDLER, |
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private string $attributeForMessage = self::DEFAULT_ATTRIBUTE_FOR_MESSAGE, |
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private string $parameterForPermissionsByMessage = self::DEFAULT_PARAMETER_FOR_PERMISSIONS_BY_MESSAGE, |
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private string $tagForPermission = self::DEFAULT_TAG_FOR_PERMISSION, |
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private string $attributeForPermission = self::DEFAULT_ATTRIBUTE_FOR_PERMISSION, |
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private string $parameterForPermissionToVoter = self::DEFAULT_PARAMETER_FOR_PERMISSION_TO_VOTER, |
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private string $tagForVoter = self::DEFAULT_TAG_FOR_VOTER, |
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) { |
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} |
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public function process(ContainerBuilder $container): void |
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{ |
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$this->processHandlersAndPermissions($container); |
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$this->processVoters($container); |
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} |
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/** |
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* Builds a map of message class to handler service identifier, |
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* and another of permissions by message class. |
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*/ |
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private function processHandlersAndPermissions(ContainerBuilder $container): void |
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{ |
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$messageToHandler = []; |
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$permissionsByMessage = []; |
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foreach ($container->findTaggedServiceIds($this->tagForHandler) as $id => $hTags) { |
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$message = $hTags[0][$this->attributeForMessage] |
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?? throw new InvalidArgumentException( |
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"Missing attribute `$this->attributeForMessage` for service `$id`" |
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); |
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$messageToHandler[$message] = $id; |
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foreach ($container->findDefinition($id)->getTag($this->tagForPermission) as $pTags) { |
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$permissionsByMessage[$message][] = $pTags[$this->attributeForPermission]; |
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} |
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} |
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$container->setParameter($this->parameterForMessageToHandler, $messageToHandler); |
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$container->setParameter($this->parameterForPermissionsByMessage, $permissionsByMessage); |
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} |
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/** |
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* Builds a map of permission to voter service identifier. |
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*/ |
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private function processVoters(ContainerBuilder $container): void |
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{ |
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$permissionToVoter = []; |
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foreach ($container->findTaggedServiceIds($this->tagForVoter) as $id => $tags) { |
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$permissionToVoter[$tags[0][$this->attributeForPermission]] = $id; |
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} |
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$container->setParameter($this->parameterForPermissionToVoter, $permissionToVoter); |
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} |
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} |
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ICanBoogie /
MessageBus
