add an explain command

Command/ExplainAdminCommand.php

@@ -0,0 +1,93 @@
+<?php
+
+/*
+ * This file is part of the Sonata package.
+ *
+ * (c) Thomas Rabaix <thomas.rabaix@sonata-project.org>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Sonata\AdminBundle\Command;
+
+use Symfony\Bundle\FrameworkBundle\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Output\Output;
+
+class ExplainAdminCommand extends Command
+{
+
+    public function configure()
+    {
+        $this->setName('sonata:admin:explain');
+        $this->setDescription('Explain an admin service');
+
+        $this->addArgument('admin', InputArgument::REQUIRED, 'The admin service id');
+    }
+
+    public function execute(InputInterface $input, OutputInterface $output)
+    {
+
+        $admin = $this->container->get($input->getArgument('admin'));
+
+        $output->writeln(sprintf('<info>% -15s</info> : %s', 'id', $admin->getCode()));
+        $output->writeln(sprintf('<info>% -15s</info> : %s', 'Model', $admin->getClass()));
+        $output->writeln(sprintf('<info>% -15s</info> : %s', 'Controller', $admin->getBaseControllerName()));
+
+        if ($admin->isChild()) {
+            $output->writeln(sprintf('<info>% -15s</info> : %s', 'Parent', $admin->getParent()->getCode()));
+        }
+
+        $output->writeln('');
+        $output->writeln('<info>Routes</info>');
+        foreach ($admin->getRoutes()->getElements() as $route) {
+            $output->writeln(sprintf('  - %s', $route->getDefault('_sonata_name'), $route->getPattern()));
+        }
+
+        $output->writeln('');
+        $output->writeln('<info>Columns</info>');
+        foreach ($admin->getListFieldDescriptions() as $name => $fieldDescription) {
+            $output->writeln(sprintf('  - % -25s  % -15s % -15s', $name, $fieldDescription->getType(), $fieldDescription->getTemplate()));
+        }
+
+        $output->writeln('');
+        $output->writeln('<info>Filters</info>');
+        foreach ($admin->getFilterFieldDescriptions() as $name => $fieldDescription) {
+            $output->writeln(sprintf('  - % -25s  % -15s % -15s', $name, $fieldDescription->getType(), $fieldDescription->getTemplate()));
+        }
+
+        $output->writeln('');
+        $output->writeln('<info>Form</info>');
+        foreach ($admin->getFormFieldDescriptions() as $name => $fieldDescription) {
+            $output->writeln(sprintf('  - % -25s  % -15s % -15s', $name, $fieldDescription->getType(), $fieldDescription->getTemplate()));
+        }
+
+        $validatorFactory = $this->container->get('validator.mapping.class_metadata_factory');
+        $metadata = $validatorFactory->getClassMetadata($admin->getClass());
+
+        $output->writeln('');
+        $output->writeln('<info>Properties constraints</info>');
+
+        foreach($metadata->getConstrainedProperties() as $name) {
+
+            $output->writeln(sprintf('  <info>%s</info>', $name));
+            $propertyMetadatas = $metadata->getMemberMetadatas($name);
+            foreach ($propertyMetadatas as $propertyMetadata) {
+                foreach ($propertyMetadata->getConstraints() as $constraint) {
+                    $output->writeln(sprintf('    % -70s %s', get_class($constraint), implode('|', $constraint->groups)));
+                }
+            }
+        }
+
+        $output->writeln('');
+        $output->writeln('<info>Getter constraints</info>');
+
+        foreach($metadata->getters as $name => $value) {
+            $output->writeln('TODO ...');
+        }
+    }
+}