Liip\MonitorBundle\DependencyInjection\LiipMonitorExtension

Complexity

Total Complexity

69

Size/Duplication

Total Lines	345
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	14

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
C	setParameters()	0	68	33
B	configureDoctrineMigrationsCheck()	0	26	6
A	getPredefinedMigrations()	0	17	3
C	load()	0	69	13
F	createMigrationConfigurationService()	0	80	12
B	createTemporaryConfiguration()	0	31	2

<?php

namespace Liip\MonitorBundle\DependencyInjection;

use Doctrine\DBAL\Connection;
use Doctrine\DBAL\Driver\PDOSqlite\Driver;
use Doctrine\DBAL\Migrations\Configuration\AbstractFileConfiguration;
use Doctrine\DBAL\Migrations\Configuration\Configuration as MigrationConfiguration;
use Symfony\Component\Config\FileLocator;
use Symfony\Component\DependencyInjection\ChildDefinition;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\DefinitionDecorator;
use Symfony\Component\DependencyInjection\Loader;
use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\HttpKernel\DependencyInjection\Extension;

class LiipMonitorExtension extends Extension
{
    /**
     * Loads the services based on your application configuration.
     *
     * @param array            $configs
     * @param ContainerBuilder $container
     */
    public function load(array $configs, ContainerBuilder $container)
    {
        $loader = new Loader\XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
        $loader->load('runner.xml');
        $loader->load('helper.xml');

        $configuration = new Configuration();
        $config = $this->processConfiguration($configuration, $configs);

        if (null === $config['view_template']) {
            $config['view_template'] = __DIR__.'/../Resources/views/health/index.html.php';
        }

        if ($config['enable_controller']) {
            $container->setParameter(sprintf('%s.view_template', $this->getAlias()), $config['view_template']);
            $loader->load('controller.xml');
        }

        if ($config['mailer']['enabled']) {
            $loader->load('helper/swift_mailer.xml');

            foreach ($config['mailer'] as $key => $value) {
                $container->setParameter(sprintf('%s.mailer.%s', $this->getAlias(), $key), $value);
            }
        }

        $container->setParameter(sprintf('%s.default_group', $this->getAlias()), $config['default_group']);

        // symfony3 does not define templating.helper.assets unless php templating is included
        if ($container->has('templating.helper.assets')) {
            $pathHelper = $container->getDefinition('liip_monitor.helper');
            $pathHelper->replaceArgument(0, 'templating.helper.assets');
        }

        // symfony3 does not define templating.helper.router unless php templating is included
        if ($container->has('templating.helper.router')) {
            $pathHelper = $container->getDefinition('liip_monitor.helper');
            $pathHelper->replaceArgument(1, 'templating.helper.router');
        }

        if (empty($config['checks'])) {
            return;
        }

        $checksLoaded = array();
        $containerParams = array();
        foreach ($config['checks']['groups'] as $group => $checks) {
            if (empty($checks)) {
                continue;
            }

            foreach ($checks as $check => $values) {
                if (empty($values)) {
                    continue;
                }

                $containerParams['groups'][$group][$check] = $values;
                $this->setParameters($container, $check, $group, $values);

                if (!in_array($check, $checksLoaded)) {
                    $loader->load('checks/'.$check.'.xml');
                    $checksLoaded[] = $check;
                }
            }
        }

        $container->setParameter(sprintf('%s.checks', $this->getAlias()), $containerParams);
        $this->configureDoctrineMigrationsCheck($container, $containerParams);
    }

    /**
     * @param ContainerBuilder $container
     * @param string           $checkName
     * @param string           $group
     * @param array            $values
     */
    private function setParameters(ContainerBuilder $container, $checkName, $group, $values)
    {
        $prefix = sprintf('%s.check.%s', $this->getAlias(), $checkName);
        switch ($checkName) {
            case 'class_exists':
            case 'cpu_performance':
            case 'php_extensions':
            case 'php_version':
            case 'php_flags':
            case 'readable_directory':
            case 'writable_directory':
            case 'process_running':
            case 'doctrine_dbal':
            case 'doctrine_mongodb':
            case 'http_service':
            case 'guzzle_http_service':
            case 'memcache':
            case 'redis':
            case 'rabbit_mq':
            case 'stream_wrapper_exists':
            case 'file_ini':
            case 'file_json':
            case 'file_xml':
            case 'file_yaml':
            case 'expressions':
                $container->setParameter($prefix.'.'.$group, $values);
                continue;

            case 'symfony_version':
                continue;

            case 'opcache_memory':
                if (!class_exists('ZendDiagnostics\Check\OpCacheMemory')) {
                    throw new \InvalidArgumentException('Please require at least "v1.0.4" of "ZendDiagnostics"');
                }
                continue;

            case 'doctrine_migrations':
                if (!class_exists('ZendDiagnostics\Check\DoctrineMigration')) {
                    throw new \InvalidArgumentException('Please require at least "v1.0.6" of "ZendDiagnostics"');
                }

                if (!class_exists('Doctrine\Bundle\MigrationsBundle\Command\DoctrineCommand')) {
                    throw new \InvalidArgumentException('Please require at least "v1.0.0" of "DoctrineMigrationsBundle"');
                }

                if (!class_exists('Doctrine\DBAL\Migrations\Configuration\Configuration')) {
                    throw new \InvalidArgumentException('Please require at least "v1.1.0" of "Doctrine Migrations Library"');
                }

                $container->setParameter($prefix.'.'.$group, $values);
                continue;

            case 'pdo_connections':
                if (!class_exists('ZendDiagnostics\Check\PDOCheck')) {
                    throw new \InvalidArgumentException('Please require at least "v1.0.5" of "ZendDiagnostics"');
                }
                $container->setParameter($prefix.'.'.$group, $values);
                continue;

        }

        if (is_array($values)) {
            foreach ($values as $key => $value) {
                $container->setParameter($prefix.'.'.$key.'.'.$group, $value);
            }
        }
    }

    /**
     * Set up doctrine migration configuration services
     *
     * @param ContainerBuilder $container The container
     * @param array            $params    Container params
     *
     * @return void
     */
    private function configureDoctrineMigrationsCheck(ContainerBuilder $container, array $params)
    {
        if (!$container->hasDefinition('liip_monitor.check.doctrine_migrations') || !isset($params['groups'])) {
            return;
        }

        foreach ($params['groups'] as $groupName => $groupChecks) {
            if (!isset($groupChecks['doctrine_migrations'])) {
                continue;
            }

            $services = [];
            foreach ($groupChecks['doctrine_migrations'] as $key => $config) {
                $serviceConfiguration =
                    $this->createMigrationConfigurationService($container, $config['configuration_file'], $config[ 'connection' ]);

                $serviceId = sprintf('liip_monitor.check.doctrine_migrations.configuration.%s.%s', $groupName, $key);
                $container->setDefinition($serviceId, $serviceConfiguration);

                $services[$key] = $serviceId;
            }

            $parameter = sprintf('%s.check.%s.%s', $this->getAlias(), 'doctrine_migrations', $groupName);
            $container->setParameter($parameter, $services);
        }
    }

    /**
     * Return key-value array with migration version as key and class as a value defined in config file
     *
     * @param AbstractFileConfiguration $config Current configuration
     * @param Connection                $connection Fake connections
     *
     * @return array[]
     */
    private function getPredefinedMigrations(AbstractFileConfiguration $config, Connection $connection)
    {
        $result = array();

        $diff = new MigrationConfiguration($connection);
        $diff->setMigrationsNamespace($config->getMigrationsNamespace());
        $diff->setMigrationsDirectory($config->getMigrationsDirectory());
        foreach ($config->getMigrations() as $version) {
            $result[$version->getVersion()] = get_class($version->getMigration());
        }

        foreach ($diff->getAvailableVersions() as $version) {
            unset($result[$version]);
        }

        return $result;
    }

    /**
     * Creates migration configuration service definition
     *
     * @param ContainerBuilder $container      DI Container
     * @param string           $filename       File name with migration configuration
     * @param string           $connectionName Connection name for container service
     *
     * @return DefinitionDecorator|ChildDefinition
     */
    private function createMigrationConfigurationService(ContainerBuilder $container, $filename, $connectionName)
    {
        /** @var AbstractFileConfiguration $configuration */
        $connection    = new Connection([], new Driver()); // needed for correct migration loading
        $configuration = $this->createTemporaryConfiguration($container, $connection, $filename);

        $configurationServiceName = 'liip_monitor.check.doctrine_migrations.abstract_configuration';
        $serviceConfiguration = class_exists('Symfony\Component\DependencyInjection\ChildDefinition')
            ? new ChildDefinition($configurationServiceName)
            : new DefinitionDecorator($configurationServiceName)
        ;

        $serviceConfiguration->replaceArgument(
            0,
            new Reference(sprintf('doctrine.dbal.%s_connection', $connectionName))
        );

        if ($configuration->getMigrationsNamespace()) {
            $serviceConfiguration->addMethodCall(
                'setMigrationsNamespace',
                [ $configuration->getMigrationsNamespace() ]
            );
        }

        if ($configuration->getMigrationsTableName()) {
            $serviceConfiguration->addMethodCall(
                'setMigrationsTableName',
                [ $configuration->getMigrationsTableName() ]
            );
        }

        if ($configuration->getMigrationsColumnName()) {
            $serviceConfiguration->addMethodCall(
                'setMigrationsColumnName',
                [ $configuration->getMigrationsColumnName() ]
            );
        }

        if ($configuration->getName()) {
            $serviceConfiguration->addMethodCall('setName', [ $configuration->getName() ]);
        }

        if ($configuration->getMigrationsDirectory()) {
            $directory        = $configuration->getMigrationsDirectory();
            $pathPlaceholders = array('kernel.root_dir', 'kernel.cache_dir', 'kernel.logs_dir');
            foreach ($pathPlaceholders as $parameter) {
                $kernelDir = realpath($container->getParameter($parameter));
                if (strpos(realpath($directory), $kernelDir) === 0) {
                    $directory = str_replace($kernelDir, "%{$parameter}%", $directory);
                    break;
                }
            }


            $serviceConfiguration->addMethodCall(
                'setMigrationsDirectory',
                [ $directory ]
            );
        }

        /** @var AbstractFileConfiguration $diff */
        $versions = $this->getPredefinedMigrations($configuration, $connection);
        if ($versions) {

The expression $versions of type array[] is implicitly converted to a boolean; are you sure this is intended? If so, consider using ! empty($expr) instead to make it clear that you intend to check for an array without elements.

            $serviceConfiguration->addMethodCall('registerMigrations', [ $versions ]);
        }

        $serviceConfiguration->addMethodCall('configure', []);

        if ($configuration->areMigrationsOrganizedByYear()) {
            $serviceConfiguration->addMethodCall('setMigrationsAreOrganizedByYear', [ true ]);

            return $serviceConfiguration;
        } elseif ($configuration->areMigrationsOrganizedByYearAndMonth()) {
            $serviceConfiguration->addMethodCall('setMigrationsAreOrganizedByYearAndMonth', [ true ]);

            return $serviceConfiguration;
        }

        return $serviceConfiguration;
    }

    /**
     * Creates in-memory migration configuration for setting up container service
     *
     * @param ContainerBuilder $container  The container
     * @param Connection       $connection Fake connection
     * @param string           $filename   Migrations configuration file
     *
     * @return AbstractFileConfiguration
     */
    private function createTemporaryConfiguration(ContainerBuilder $container, Connection $connection, $filename)
    {
        // -------
        // This part must be in sync with Doctrine\DBAL\Migrations\Tools\Console\Helper\ConfigurationHelper::loadConfig
        $map = [
            'xml'  => '\XmlConfiguration',
            'yaml' => '\YamlConfiguration',
            'yml'  => '\YamlConfiguration',
            'php'  => '\ArrayConfiguration',
            'json' => '\JsonConfiguration',
        ];
        // --------

        $filename = $container->getParameterBag()->resolveValue($filename);
        $info     = pathinfo($filename);
        // check we can support this file type
        if (empty($map[ $info[ 'extension' ] ])) {
            throw new \InvalidArgumentException('Given config file type is not supported');
        }

        $class = 'Doctrine\DBAL\Migrations\Configuration';
        $class .= $map[ $info[ 'extension' ] ];
        // -------

        /** @var AbstractFileConfiguration $configuration */
        $configuration = new $class($connection);
        $configuration->load($filename);
        $configuration->validate();

        return $configuration;
    }
}