151 lines
4.5 KiB
PHP
151 lines
4.5 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Messenger\Command;
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use Symfony\Component\Console\Command\Command;
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use Symfony\Component\Console\Completion\CompletionInput;
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use Symfony\Component\Console\Completion\CompletionSuggestions;
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use Symfony\Component\Console\Exception\RuntimeException;
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use Symfony\Component\Console\Input\InputArgument;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Console\Style\SymfonyStyle;
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/**
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* A console command to debug Messenger information.
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*
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* @author Roland Franssen <franssen.roland@gmail.com>
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*/
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class DebugCommand extends Command
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{
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protected static $defaultName = 'debug:messenger';
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protected static $defaultDescription = 'List messages you can dispatch using the message buses';
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private $mapping;
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public function __construct(array $mapping)
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{
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$this->mapping = $mapping;
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parent::__construct();
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}
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/**
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* {@inheritdoc}
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*/
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protected function configure()
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{
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$this
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->addArgument('bus', InputArgument::OPTIONAL, sprintf('The bus id (one of "%s")', implode('", "', array_keys($this->mapping))))
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->setDescription(self::$defaultDescription)
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->setHelp(<<<'EOF'
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The <info>%command.name%</info> command displays all messages that can be
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dispatched using the message buses:
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<info>php %command.full_name%</info>
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Or for a specific bus only:
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<info>php %command.full_name% command_bus</info>
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EOF
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)
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;
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}
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/**
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* {@inheritdoc}
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*/
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protected function execute(InputInterface $input, OutputInterface $output)
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{
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$io = new SymfonyStyle($input, $output);
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$io->title('Messenger');
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$mapping = $this->mapping;
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if ($bus = $input->getArgument('bus')) {
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if (!isset($mapping[$bus])) {
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throw new RuntimeException(sprintf('Bus "%s" does not exist. Known buses are "%s".', $bus, implode('", "', array_keys($this->mapping))));
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}
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$mapping = [$bus => $mapping[$bus]];
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}
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foreach ($mapping as $bus => $handlersByMessage) {
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$io->section($bus);
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$tableRows = [];
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foreach ($handlersByMessage as $message => $handlers) {
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if ($description = self::getClassDescription($message)) {
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$tableRows[] = [sprintf('<comment>%s</>', $description)];
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}
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$tableRows[] = [sprintf('<fg=cyan>%s</fg=cyan>', $message)];
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foreach ($handlers as $handler) {
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$tableRows[] = [
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sprintf(' handled by <info>%s</>', $handler[0]).$this->formatConditions($handler[1]),
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];
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if ($handlerDescription = self::getClassDescription($handler[0])) {
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$tableRows[] = [sprintf(' <comment>%s</>', $handlerDescription)];
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}
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}
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$tableRows[] = [''];
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}
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if ($tableRows) {
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$io->text('The following messages can be dispatched:');
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$io->newLine();
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$io->table([], $tableRows);
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} else {
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$io->warning(sprintf('No handled message found in bus "%s".', $bus));
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}
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}
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return 0;
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}
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private function formatConditions(array $options): string
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{
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if (!$options) {
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return '';
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}
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$optionsMapping = [];
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foreach ($options as $key => $value) {
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$optionsMapping[] = $key.'='.$value;
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}
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return ' (when '.implode(', ', $optionsMapping).')';
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}
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private static function getClassDescription(string $class): string
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{
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try {
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$r = new \ReflectionClass($class);
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if ($docComment = $r->getDocComment()) {
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$docComment = preg_split('#\n\s*\*\s*[\n@]#', substr($docComment, 3, -2), 2)[0];
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return trim(preg_replace('#\s*\n\s*\*\s*#', ' ', $docComment));
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}
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} catch (\ReflectionException $e) {
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}
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return '';
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}
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public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
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{
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if ($input->mustSuggestArgumentValuesFor('bus')) {
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$suggestions->suggestValues(array_keys($this->mapping));
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}
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}
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}
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