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Pull Request — master (#563)
by Jérémiah
21:02
created

setDefaultFieldResolver()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 0
Metric Value
eloc 1
dl 0
loc 3
ccs 2
cts 2
cp 1
rs 10
c 0
b 0
f 0
cc 1
nc 1
nop 2
crap 1
1
<?php
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declare(strict_types=1);
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namespace Overblog\GraphQLBundle\DependencyInjection;
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use GraphQL\Error\UserError;
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use GraphQL\Type\Definition\Type;
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use GraphQL\Type\Schema;
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use Overblog\GraphQLBundle\CacheWarmer\CompileCacheWarmer;
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use Overblog\GraphQLBundle\Config\Processor\BuilderProcessor;
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use Overblog\GraphQLBundle\Definition\Builder\SchemaBuilder;
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use Overblog\GraphQLBundle\Definition\Resolver\MutationInterface;
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use Overblog\GraphQLBundle\Definition\Resolver\ResolverInterface;
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use Overblog\GraphQLBundle\Error\ErrorHandler;
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use Overblog\GraphQLBundle\Error\UserWarning;
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use Overblog\GraphQLBundle\Event\Events;
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use Overblog\GraphQLBundle\EventListener\ClassLoaderListener;
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use Overblog\GraphQLBundle\EventListener\DebugListener;
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use Overblog\GraphQLBundle\EventListener\ErrorHandlerListener;
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use Overblog\GraphQLBundle\EventListener\ErrorLoggerListener;
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use Overblog\GraphQLBundle\EventListener\TypeDecoratorListener;
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use Overblog\GraphQLBundle\Request\Executor;
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use Symfony\Component\Config\FileLocator;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\ContainerInterface;
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use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
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use Symfony\Component\DependencyInjection\Reference;
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use Symfony\Component\HttpKernel\DependencyInjection\Extension;
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class OverblogGraphQLExtension extends Extension
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{
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    public function load(array $configs, ContainerBuilder $container): void
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    {
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        $this->loadConfigFiles($container);
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        $configuration = $this->getConfiguration($configs, $container);
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        $config = $this->processConfiguration($configuration, $configs);
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        $this->setBatchingMethod($config, $container);
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        $this->setServicesAliases($config, $container);
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        $this->setSchemaBuilderArguments($config, $container);
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        $this->setSchemaArguments($config, $container);
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        $this->setErrorHandler($config, $container);
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        $this->setSecurity($config, $container);
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        $this->setConfigBuilders($config, $container);
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        $this->setDebugListener($config, $container);
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        $this->setDefinitionParameters($config, $container);
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        $this->setClassLoaderListener($config, $container);
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        $this->setCompilerCacheWarmer($config, $container);
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        $this->registerForAutoconfiguration($container);
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        $this->setDefaultFieldResolver($config, $container);
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        $container->setParameter($this->getAlias().'.config', $config);
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        $container->setParameter($this->getAlias().'.resources_dir', \realpath(__DIR__.'/../Resources'));
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    }
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    public function getAlias()
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    {
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        return Configuration::NAME;
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    }
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    public function getConfiguration(array $config, ContainerBuilder $container)
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    {
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        return new Configuration(
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            $container->getParameter('kernel.debug'),
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            $container->hasParameter('kernel.cache_dir') ? $container->getParameter('kernel.cache_dir') : null
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        );
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    }
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    private function loadConfigFiles(ContainerBuilder $container): void
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    {
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        $loader = new YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
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        $loader->load('services.yaml');
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        $loader->load('commands.yaml');
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        $loader->load('listeners.yaml');
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        $loader->load('graphql_types.yaml');
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        $loader->load('graphql_resolvers.yaml');
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        $loader->load('expression_language_functions.yaml');
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        $loader->load('definition_config_processors.yaml');
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        $loader->load('aliases.yaml');
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    }
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    private function registerForAutoconfiguration(ContainerBuilder $container): void
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    {
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        $container->registerForAutoconfiguration(MutationInterface::class)
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            ->addTag('overblog_graphql.mutation');
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        $container->registerForAutoconfiguration(ResolverInterface::class)
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            ->addTag('overblog_graphql.resolver');
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        $container->registerForAutoconfiguration(Type::class)
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            ->addTag('overblog_graphql.type');
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    }
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    private function setDefaultFieldResolver(array $config, ContainerBuilder $container): void
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    {
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        $container->setAlias($this->getAlias().'.default_field_resolver', $config['definitions']['default_field_resolver']);
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    }
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    private function setCompilerCacheWarmer(array $config, ContainerBuilder $container): void
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    {
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        $container->register(CompileCacheWarmer::class)
101 41
            ->setArguments([
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                new Reference($this->getAlias().'.cache_compiler'),
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                $config['definitions']['auto_compile'],
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            ])
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            ->addTag('kernel.cache_warmer', ['priority' => 50])
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        ;
107 41
    }
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    private function setClassLoaderListener(array $config, ContainerBuilder $container): void
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    {
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        $container->setParameter($this->getAlias().'.use_classloader_listener', $config['definitions']['use_classloader_listener']);
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        if ($config['definitions']['use_classloader_listener']) {
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            $definition = $container->register(
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                $this->getAlias().'.event_listener.classloader_listener',
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                ClassLoaderListener::class
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            );
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            $definition->setPublic(true);
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            $definition->setArguments([new Reference($this->getAlias().'.cache_compiler')]);
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            $definition->addTag('kernel.event_listener', ['event' => 'kernel.request', 'method' => 'load', 'priority' => 255]);
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            $definition->addTag('kernel.event_listener', ['event' => 'console.command', 'method' => 'load', 'priority' => 255]);
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        }
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    }
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    private function setDefinitionParameters(array $config, ContainerBuilder $container): void
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    {
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        // generator and config
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        $container->setParameter($this->getAlias().'.class_namespace', $config['definitions']['class_namespace']);
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        $container->setParameter($this->getAlias().'.cache_dir', $config['definitions']['cache_dir']);
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        $container->setParameter($this->getAlias().'.cache_dir_permissions', $config['definitions']['cache_dir_permissions']);
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        $container->setParameter($this->getAlias().'.argument_class', $config['definitions']['argument_class']);
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        $container->setParameter($this->getAlias().'.use_experimental_executor', $config['definitions']['use_experimental_executor']);
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    }
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    private function setBatchingMethod(array $config, ContainerBuilder $container): void
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    {
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        $container->setParameter($this->getAlias().'.batching_method', $config['batching_method']);
137 41
    }
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    private function setDebugListener(array $config, ContainerBuilder $container): void
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    {
141 41
        if ($config['definitions']['show_debug_info']) {
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            $definition = $container->register(DebugListener::class);
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            $definition->addTag('kernel.event_listener', ['event' => Events::PRE_EXECUTOR, 'method' => 'onPreExecutor']);
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            $definition->addTag('kernel.event_listener', ['event' => Events::POST_EXECUTOR, 'method' => 'onPostExecutor']);
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        }
146 41
    }
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    private function setConfigBuilders(array $config, ContainerBuilder $container): void
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    {
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        foreach (BuilderProcessor::BUILDER_TYPES as $type) {
151 41
            if (!empty($config['definitions']['builders'][$type])) {
152 5
                foreach ($config['definitions']['builders'][$type] as $params) {
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                    $container->addObjectResource($params['class']);
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                    BuilderProcessor::addBuilderClass($params['alias'], $type, $params['class']);
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                }
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            }
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        }
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    }
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    private function setSecurity(array $config, ContainerBuilder $container): void
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    {
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        $executorDefinition = $container->getDefinition(Executor::class);
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        if ($config['security']['enable_introspection']) {
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            $executorDefinition->addMethodCall('enableIntrospectionQuery');
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        } else {
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            $executorDefinition->addMethodCall('disableIntrospectionQuery');
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        }
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        foreach ($config['security'] as $key => $value) {
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            $container->setParameter(\sprintf('%s.%s', $this->getAlias(), $key), $value);
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        }
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    }
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    private function setErrorHandler(array $config, ContainerBuilder $container): void
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    {
176 41
        if ($config['errors_handler']['enabled']) {
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            $id = $this->getAlias().'.error_handler';
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            $container->register($id, ErrorHandler::class)
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                ->setArguments(
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                    [
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                        new Reference('event_dispatcher'),
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                        $config['errors_handler']['internal_error_message'],
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                        $this->buildExceptionMap($config['errors_handler']['exceptions']),
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                        $config['errors_handler']['map_exceptions_to_parent'],
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                    ]
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                );
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            $errorHandlerListenerDefinition = $container->register(ErrorHandlerListener::class);
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            $errorHandlerListenerDefinition->setPublic(true)
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                ->setArguments([new Reference($id), $config['errors_handler']['rethrow_internal_exceptions'], $config['errors_handler']['debug']])
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                ->addTag('kernel.event_listener', ['event' => Events::POST_EXECUTOR, 'method' => 'onPostExecutor']);
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            if ($config['errors_handler']['log']) {
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                $loggerServiceId = $config['errors_handler']['logger_service'];
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                $invalidBehavior = ErrorLoggerListener::DEFAULT_LOGGER_SERVICE === $loggerServiceId ? ContainerInterface::NULL_ON_INVALID_REFERENCE : ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE;
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                $container->register(ErrorLoggerListener::class)
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                    ->setPublic(true)
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                    ->setArguments([new Reference($loggerServiceId, $invalidBehavior)])
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                    ->addTag('kernel.event_listener', ['event' => Events::ERROR_FORMATTING, 'method' => 'onErrorFormatting']);
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            }
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        }
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    }
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    private function setSchemaBuilderArguments(array $config, ContainerBuilder $container): void
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    {
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        $container->getDefinition(SchemaBuilder::class)
207 41
            ->replaceArgument(1, $config['definitions']['config_validation']);
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    }
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    private function setSchemaArguments(array $config, ContainerBuilder $container): void
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    {
212 41
        if (isset($config['definitions']['schema'])) {
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            $executorDefinition = $container->getDefinition(Executor::class);
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            $typeDecoratorListenerDefinition = $container->getDefinition(TypeDecoratorListener::class);
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            foreach ($config['definitions']['schema'] as $schemaName => $schemaConfig) {
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                // builder
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                $schemaBuilderID = \sprintf('%s.schema_builder_%s', $this->getAlias(), $schemaName);
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                $definition = $container->register($schemaBuilderID, \Closure::class);
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                $definition->setFactory([new Reference('overblog_graphql.schema_builder'), 'getBuilder']);
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                $definition->setArguments([
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                    $schemaName,
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                    $schemaConfig['query'],
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                    $schemaConfig['mutation'],
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                    $schemaConfig['subscription'],
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                    $schemaConfig['types'],
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                ]);
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                // schema
229 33
                $schemaID = \sprintf('%s.schema_%s', $this->getAlias(), $schemaName);
230 33
                $definition = $container->register($schemaID, Schema::class);
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                $definition->setFactory([new Reference($schemaBuilderID), 'call']);
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233 33
                if (!empty($schemaConfig['resolver_maps'])) {
234 1
                    $typeDecoratorListenerDefinition->addMethodCall(
235 1
                        'addSchemaResolverMaps',
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                        [
237 1
                            $schemaName,
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                            \array_map(function ($id) {
239 1
                                return new Reference($id);
240 1
                            }, $schemaConfig['resolver_maps']),
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                        ]
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                    );
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                }
244 33
                $executorDefinition->addMethodCall('addSchemaBuilder', [$schemaName, new Reference($schemaBuilderID)]);
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            }
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        }
247 41
    }
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249 41
    private function setServicesAliases(array $config, ContainerBuilder $container): void
250
    {
251 41
        if (isset($config['services'])) {
252 41
            foreach ($config['services'] as $name => $id) {
253 41
                $alias = \sprintf('%s.%s', $this->getAlias(), $name);
254 41
                $container->setAlias($alias, $id);
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            }
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        }
257 41
    }
258
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    /**
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     * Returns a list of custom exceptions mapped to error/warning classes.
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     *
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     * @param array $exceptionConfig
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     *
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     * @return array Custom exception map, [exception => UserError/UserWarning]
265
     */
266 41
    private function buildExceptionMap(array $exceptionConfig)
267
    {
268 41
        $exceptionMap = [];
269
        $errorsMapping = [
270 41
            'errors' => UserError::class,
271
            'warnings' => UserWarning::class,
272
        ];
273
274 41
        foreach ($exceptionConfig as $type => $exceptionList) {
275 41
            foreach ($exceptionList as $exception) {
276 2
                $exceptionMap[$exception] = $errorsMapping[$type];
277
            }
278
        }
279
280 41
        return $exceptionMap;
281
    }
282
}
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