[cmd] Add debug gateway factory cmd.

Command/DebugGatewayFactoryCommand.php

@@ -0,0 +1,138 @@
+<?php
+namespace Payum\Bundle\PayumBundle\Command;
+
+use Payum\Core\Registry\RegistryInterface;
+use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
+use Symfony\Component\Console\Helper\Table;
+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\Question\ChoiceQuestion;
+
+class DebugGatewayFactoryCommand extends ContainerAwareCommand
+{
+    /**
+     * {@inheritDoc}
+     */
+    protected function configure()
+    {
+        $this
+            ->setName('debug:payum:gateway-factory')
+            ->setAliases(array(
+                'payum:gateway-factory:debug',
+            ))
+            ->addArgument('factory-name', InputArgument::OPTIONAL, 'The gateway factory name you want to get information about.')
+        ;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $factories = $this->getPayum()->getGatewayFactories();
+
+        if ($factoryName = $input->getArgument('factory-name')) {
+            $output->writeln('<info>Order of actions, apis, extensions matters</info>');
+
+            $factoryName = $this->findProperGatewayFactoryName($input, $output, $factories, $factoryName);
+            $factory = $this->getPayum()->getGatewayFactory($factoryName);
+            $output->writeln($factoryName.': '.get_class($factory));
+            $output->writeln('');
+
+            $table = new Table($output);
+            $table
+                ->setHeaders(['Name', 'Value'])
+                ->setStyle('compact')
+            ;
+
+            foreach ($factory->createConfig() as $name => $value) {
+                if (is_object($value)) {
+                    $table->addRow([$name, 'Object(' . get_class($value) . ')']);
+                } elseif ('payum.required_options' == $name && is_array($value)) {
+                    $table->addRow([$name, implode(', ', $value)]);
+                } elseif ('payum.default_options' == $name && is_array($value)) {
+                    $table->addRow([$name, implode(', ', array_keys($value))]);
+                } elseif (is_array($value) && empty($value)) {
+                    $table->addRow([$name, '[]']);
+                } elseif (is_array($value)) {
+
+
+                    $table->addRow([$name, '']);
+
+                    foreach ($value as $subName => $subValue) {
+                        $table->addRow(['   '.$subName, wordwrap($subValue, 70, "\n", true)]);
+                    }
+
+                    continue;
+                } else {
+                    $table->addRow([$name, $value]);
+                }
+
+            }
+
+            $table->render();
+        } else {
+
+
+            $output->writeln(sprintf('Found <info>%d</info> gateway factories', count($factories)));
+            $output->writeln('');
+
+            $table = new Table($output);
+            $table
+                ->setHeaders(['Name', 'Class'])
+                ->setStyle('compact')
+            ;
+
+            foreach ($factories as $name => $factory) {
+                $table->addRow([$name, get_class($factory)]);
+            }
+
+            $table->render();
+        }
+    }
+
+    /**
+     * @return RegistryInterface
+     */
+    protected function getPayum()
+    {
+        return $this->getContainer()->get('payum');
+    }
+
+    private function findProperGatewayFactoryName(InputInterface $input, OutputInterface $output, $factories, $name)
+    {
+        $helperSet = $this->getHelperSet();
+        if (!$helperSet->has('question') || isset($factories[$name]) || !$input->isInteractive()) {
+            return $name;
+        }
+
+        $matchingGatewayFactory = $this->findGatewayFactoriesContaining($factories, $name);
+        if (empty($matchingGatewayFactory)) {
+            throw new \InvalidArgumentException(sprintf('No Payum gateway factory found that match "%s".', $name));
+        }
+        $question = new ChoiceQuestion('Choose a number for more information on the payum gateway factory', $matchingGatewayFactory);
+        $question->setErrorMessage('Payum gateway factory %s is invalid.');
+
+        return $this->getHelper('question')->ask($input, $output, $question);
+    }
+
+    private function findGatewayFactoriesContaining($factories, $name)
+    {
+        $threshold = 1e3;
+        $foundGateways = array();
+
+        foreach ($factories as $factoryName => $factory) {
+            $lev = levenshtein($name, $factoryName);
+            if ($lev <= strlen($name) / 3 || false !== strpos($factoryName, $name)) {
+                $foundGateways[$factoryName] = isset($foundGateways[$factoryName]) ? $foundGateways[$factory] - $lev : $lev;
+            }
+        }
+
+        $foundGateways = array_filter($foundGateways, function ($lev) use ($threshold) { return $lev < 2*$threshold; });
+        asort($foundGateways);
+
+        return array_keys($foundGateways);
+    }
+}