class DevelDumperManager

class DevelDumperManager implements DevelDumperManagerInterface {
    use StringTranslationTrait;
    use MessengerTrait;
    
    /**
     * The devel config.
     *
     * @var \Drupal\Core\Config\ImmutableConfig
     */
    protected $config;
    
    /**
     * The current account.
     *
     * @var \Drupal\Core\Session\AccountProxyInterface
     */
    protected $account;
    
    /**
     * The devel dumper plugin manager.
     *
     * @var \Drupal\devel\DevelDumperPluginManagerInterface
     */
    protected $dumperManager;
    
    /**
     * Constructs a DevelDumperPluginManager object.
     *
     * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
     *   The config factory service.
     * @param \Drupal\Core\Session\AccountProxyInterface $account
     *   The current account.
     * @param \Drupal\devel\DevelDumperPluginManagerInterface $dumper_manager
     *   The devel dumper plugin manager.
     */
    public function __construct(ConfigFactoryInterface $config_factory, AccountProxyInterface $account, DevelDumperPluginManagerInterface $dumper_manager) {
        $this->config = $config_factory->get('devel.settings');
        $this->account = $account;
        $this->dumperManager = $dumper_manager;
    }
    
    /**
     * Instances a new dumper plugin.
     *
     * @param string $plugin_id
     *   (optional) The plugin ID, defaults to NULL.
     *
     * @return \Drupal\devel\DevelDumperInterface
     *   Returns the devel dumper plugin instance.
     */
    protected function createInstance($plugin_id = NULL) {
        if (!$plugin_id || !$this->dumperManager
            ->isPluginSupported($plugin_id)) {
            $plugin_id = $this->config
                ->get('devel_dumper');
        }
        return $this->dumperManager
            ->createInstance($plugin_id);
    }
    
    /**
     * {@inheritdoc}
     */
    public function dump($input, $name = NULL, $plugin_id = NULL) {
        if ($this->hasAccessToDevelInformation()) {
            $this->createInstance($plugin_id)
                ->dump($input, $name);
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public function export($input, $name = NULL, $plugin_id = NULL) {
        if ($this->hasAccessToDevelInformation()) {
            return $this->createInstance($plugin_id)
                ->export($input, $name);
        }
        return NULL;
    }
    
    /**
     * {@inheritdoc}
     */
    public function message($input, $name = NULL, $type = MessengerInterface::TYPE_STATUS, $plugin_id = NULL) {
        if ($this->hasAccessToDevelInformation()) {
            $output = $this->export($input, $name, $plugin_id);
            $this->messenger()
                ->addMessage($output, $type, TRUE);
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public function debug($input, $name = NULL, $plugin_id = NULL) {
        $output = $this->createInstance($plugin_id)
            ->export($input, $name) . "\n";
        // The temp directory does vary across multiple simpletest instances.
        $file = $this->config
            ->get('debug_logfile');
        if (file_put_contents($file, $output, FILE_APPEND) === FALSE && $this->hasAccessToDevelInformation()) {
            $this->messenger()
                ->addError($this->t('Devel was unable to write to %file.', [
                '%file' => $file,
            ]));
            return FALSE;
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public function dumpOrExport($input, $name = NULL, $export = TRUE, $plugin_id = NULL) {
        if ($this->hasAccessToDevelInformation()) {
            $dumper = $this->createInstance($plugin_id);
            if ($export) {
                return $dumper->export($input, $name);
            }
            $dumper->dump($input, $name);
        }
        return NULL;
    }
    
    /**
     * {@inheritdoc}
     */
    public function exportAsRenderable($input, $name = NULL, $plugin_id = NULL) {
        if ($this->hasAccessToDevelInformation()) {
            return $this->createInstance($plugin_id)
                ->exportAsRenderable($input, $name);
        }
        return [];
    }
    
    /**
     * Checks whether a user has access to devel information.
     *
     * @return bool
     *   TRUE if the user has the permission, FALSE otherwise.
     */
    protected function hasAccessToDevelInformation() {
        return $this->account && $this->account
            ->hasPermission('access devel information');
    }

}