migration symfony 5 4 (#300)

* symfony 5.4 (diff dev)

* symfony 5.4 (working)

* symfony 5.4 (update autoload)

* symfony 5.4 (remove swiftmailer mailer implementation)

* symfony 5.4 (php doc and split Global accessor class)


### Impacted packages:

composer require php:">=7.2.5 <8.0.0" symfony/console:5.4.* symfony/dotenv:5.4.* symfony/framework-bundle:5.4.* symfony/twig-bundle:5.4.* symfony/yaml:5.4.* --update-with-dependencies

composer require symfony/stopwatch:5.4.* symfony/web-profiler-bundle:5.4.* --dev --update-with-dependencies

lib/symfony/framework-bundle/Command/EventDispatcherDebugCommand.php

@@ -11,42 +11,39 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Command;
 
+use Psr\Container\ContainerInterface;
 use Symfony\Bundle\FrameworkBundle\Console\Helper\DescriptorHelper;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Completion\CompletionInput;
+use Symfony\Component\Console\Completion\CompletionSuggestions;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Contracts\Service\ServiceProviderInterface;
 
 /**
  * A console command for retrieving information about event dispatcher.
  *
  * @author Matthieu Auger <mail@matthieuauger.com>
  *
- * @final since version 3.4
+ * @final
  */
-class EventDispatcherDebugCommand extends ContainerAwareCommand
+class EventDispatcherDebugCommand extends Command
 {
+    private const DEFAULT_DISPATCHER = 'event_dispatcher';
+
     protected static $defaultName = 'debug:event-dispatcher';
-    private $dispatcher;
+    protected static $defaultDescription = 'Display configured listeners for an application';
+    private $dispatchers;
 
-    /**
-     * @param EventDispatcherInterface $dispatcher
-     */
-    public function __construct($dispatcher = null)
+    public function __construct(ContainerInterface $dispatchers)
     {
-        if (!$dispatcher instanceof EventDispatcherInterface) {
-            @trigger_error(sprintf('%s() expects an instance of "%s" as first argument since Symfony 3.4. Not passing it is deprecated and will throw a TypeError in 4.0.', __METHOD__, EventDispatcherInterface::class), \E_USER_DEPRECATED);
-
-            parent::__construct($dispatcher);
-
-            return;
-        }
-
         parent::__construct();
 
-        $this->dispatcher = $dispatcher;
+        $this->dispatchers = $dispatchers;
     }
 
     /**
@@ -56,11 +53,12 @@ class EventDispatcherDebugCommand extends ContainerAwareCommand
     {
         $this
             ->setDefinition([
-                new InputArgument('event', InputArgument::OPTIONAL, 'An event name'),
+                new InputArgument('event', InputArgument::OPTIONAL, 'An event name or a part of the event name'),
+                new InputOption('dispatcher', null, InputOption::VALUE_REQUIRED, 'To view events of a specific event dispatcher', self::DEFAULT_DISPATCHER),
                 new InputOption('format', null, InputOption::VALUE_REQUIRED, 'The output format  (txt, xml, json, or md)', 'txt'),
                 new InputOption('raw', null, InputOption::VALUE_NONE, 'To output raw description'),
             ])
-            ->setDescription('Displays configured listeners for an application')
+            ->setDescription(self::$defaultDescription)
             ->setHelp(<<<'EOF'
 The <info>%command.name%</info> command displays all configured listeners:
 
@@ -79,42 +77,88 @@ EOF
      *
      * @throws \LogicException
      */
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
-        // BC to be removed in 4.0
-        if (null === $this->dispatcher) {
-            $this->dispatcher = $this->getEventDispatcher();
-        }
-
         $io = new SymfonyStyle($input, $output);
 
         $options = [];
+        $dispatcherServiceName = $input->getOption('dispatcher');
+        if (!$this->dispatchers->has($dispatcherServiceName)) {
+            $io->getErrorStyle()->error(sprintf('Event dispatcher "%s" is not available.', $dispatcherServiceName));
+
+            return 1;
+        }
+
+        $dispatcher = $this->dispatchers->get($dispatcherServiceName);
+
         if ($event = $input->getArgument('event')) {
-            if (!$this->dispatcher->hasListeners($event)) {
-                $io->getErrorStyle()->warning(sprintf('The event "%s" does not have any registered listeners.', $event));
+            if ($dispatcher->hasListeners($event)) {
+                $options = ['event' => $event];
+            } else {
+                // if there is no direct match, try find partial matches
+                $events = $this->searchForEvent($dispatcher, $event);
+                if (0 === \count($events)) {
+                    $io->getErrorStyle()->warning(sprintf('The event "%s" does not have any registered listeners.', $event));
 
-                return;
+                    return 0;
+                } elseif (1 === \count($events)) {
+                    $options = ['event' => $events[array_key_first($events)]];
+                } else {
+                    $options = ['events' => $events];
+                }
             }
-
-            $options = ['event' => $event];
         }
 
         $helper = new DescriptorHelper();
+
+        if (self::DEFAULT_DISPATCHER !== $dispatcherServiceName) {
+            $options['dispatcher_service_name'] = $dispatcherServiceName;
+        }
+
         $options['format'] = $input->getOption('format');
         $options['raw_text'] = $input->getOption('raw');
         $options['output'] = $io;
-        $helper->describe($io, $this->dispatcher, $options);
+        $helper->describe($io, $dispatcher, $options);
+
+        return 0;
     }
 
-    /**
-     * Loads the Event Dispatcher from the container.
-     *
-     * BC to removed in 4.0
-     *
-     * @return EventDispatcherInterface
-     */
-    protected function getEventDispatcher()
+    public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
     {
-        return $this->getContainer()->get('event_dispatcher');
+        if ($input->mustSuggestArgumentValuesFor('event')) {
+            $dispatcherServiceName = $input->getOption('dispatcher');
+            if ($this->dispatchers->has($dispatcherServiceName)) {
+                $dispatcher = $this->dispatchers->get($dispatcherServiceName);
+                $suggestions->suggestValues(array_keys($dispatcher->getListeners()));
+            }
+
+            return;
+        }
+
+        if ($input->mustSuggestOptionValuesFor('dispatcher')) {
+            if ($this->dispatchers instanceof ServiceProviderInterface) {
+                $suggestions->suggestValues(array_keys($this->dispatchers->getProvidedServices()));
+            }
+
+            return;
+        }
+
+        if ($input->mustSuggestOptionValuesFor('format')) {
+            $suggestions->suggestValues((new DescriptorHelper())->getFormats());
+        }
+    }
+
+    private function searchForEvent(EventDispatcherInterface $dispatcher, string $needle): array
+    {
+        $output = [];
+        $lcNeedle = strtolower($needle);
+        $allEvents = array_keys($dispatcher->getListeners());
+        foreach ($allEvents as $event) {
+            if (str_contains(strtolower($event), $lcNeedle)) {
+                $output[] = $event;
+            }
+        }
+
+        return $output;
     }
 }