--- /dev/null
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Console\Core\Command\Chain\ChainCommand.
+ */
+
+namespace Drupal\Console\Core\Command\Chain;
+
+use Dflydev\PlaceholderResolver\DataSource\ArrayDataSource;
+use Dflydev\PlaceholderResolver\RegexPlaceholderResolver;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Filesystem\Filesystem;
+use Symfony\Component\Yaml\Parser;
+use Drupal\Console\Core\Utils\ChainQueue;
+use Drupal\Console\Core\Utils\ChainDiscovery;
+use Drupal\Console\Core\Command\Shared\InputTrait;
+use Drupal\Console\Core\Style\DrupalStyle;
+use Drupal\Console\Core\Command\Shared\CommandTrait;
+
+/**
+ * Class ChainCommand
+ * @package Drupal\Console\Core\Command\Chain
+ */
+class ChainCommand extends Command
+{
+ use CommandTrait;
+ use InputTrait;
+
+ /**
+ * @var ChainQueue
+ */
+ protected $chainQueue;
+
+ /**
+ * @var ChainDiscovery
+ */
+ protected $chainDiscovery;
+
+ /**
+ * ChainCommand constructor.
+ * @param ChainQueue $chainQueue
+ * @param ChainDiscovery $chainDiscovery
+ */
+ public function __construct(
+ ChainQueue $chainQueue,
+ ChainDiscovery $chainDiscovery
+ ) {
+ $this->chainQueue = $chainQueue;
+ $this->chainDiscovery = $chainDiscovery;
+
+ parent::__construct();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function configure()
+ {
+ $this
+ ->setName('chain')
+ ->setDescription($this->trans('commands.chain.description'))
+ ->addOption(
+ 'file',
+ null,
+ InputOption::VALUE_OPTIONAL,
+ $this->trans('commands.chain.options.file')
+ )
+ ->addOption(
+ 'placeholder',
+ null,
+ InputOption::VALUE_IS_ARRAY | InputOption::VALUE_OPTIONAL,
+ $this->trans('commands.chain.options.placeholder')
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function interact(InputInterface $input, OutputInterface $output)
+ {
+ $io = new DrupalStyle($input, $output);
+ $file = $input->getOption('file');
+
+ if (!$file) {
+ $files = $this->chainDiscovery->getChainFiles(true);
+
+ $file = $io->choice(
+ $this->trans('commands.chain.questions.chain-file'),
+ array_values($files)
+ );
+ }
+
+ $file = calculateRealPath($file);
+ $input->setOption('file', $file);
+
+ $chainContent = $this->getFileContents($file);
+
+ $placeholder = $input->getOption('placeholder');
+
+ $inlinePlaceHolders = $this->extractInlinePlaceHolders($chainContent);
+
+ if (!$placeholder && $inlinePlaceHolders) {
+ foreach ($inlinePlaceHolders as $key => $inlinePlaceHolder) {
+ $inlinePlaceHolderDefault = '';
+ if (strpos($inlinePlaceHolder, '|')>0) {
+ $placeholderParts = explode('|', $inlinePlaceHolder);
+ $inlinePlaceHolder = $placeholderParts[0];
+ $inlinePlaceHolderDefault = $placeholderParts[1];
+ $inlinePlaceHolders[$key] = $inlinePlaceHolder;
+ }
+
+ $placeholder[] = sprintf(
+ '%s:%s',
+ $inlinePlaceHolder,
+ $io->ask(
+ sprintf(
+ 'Enter value for %s placeholder',
+ $inlinePlaceHolder
+ ),
+ $inlinePlaceHolderDefault
+ )
+ );
+ }
+ $input->setOption('placeholder', $placeholder);
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function execute(InputInterface $input, OutputInterface $output)
+ {
+ $io = new DrupalStyle($input, $output);
+
+ $interactive = false;
+ $learning = $input->hasOption('learning')?$input->getOption('learning'):false;
+
+ $file = $input->getOption('file');
+ if (!$file) {
+ $io->error($this->trans('commands.chain.messages.missing_file'));
+
+ return 1;
+ }
+
+ $fileSystem = new Filesystem();
+ $file = calculateRealPath($file);
+
+ if (!$fileSystem->exists($file)) {
+ $io->error(
+ sprintf(
+ $this->trans('commands.chain.messages.invalid_file'),
+ $file
+ )
+ );
+
+ return 1;
+ }
+
+ $placeholder = $input->getOption('placeholder');
+ if ($placeholder) {
+ $placeholder = $this->inlineValueAsArray($placeholder);
+ }
+ $placeHolderOptions = [];
+ foreach ($placeholder as $placeholderItem) {
+ $placeHolderOptions[] = key($placeholderItem);
+ }
+
+ $chainContent = $this->getFileContents($file);
+ $inlinePlaceHolders = $this->extractInlinePlaceHolders($chainContent);
+
+ if ($inlinePlaceHolders) {
+ foreach ($inlinePlaceHolders as $key => $inlinePlaceHolder) {
+ if (!strpos($inlinePlaceHolder, '|')) {
+ continue;
+ }
+
+ $placeholderParts = explode('|', $inlinePlaceHolder);
+ $inlinePlaceHolder = $placeholderParts[0];
+ $inlinePlaceHolderDefault = $placeholderParts[1];
+
+ if (!$inlinePlaceHolderDefault) {
+ continue;
+ }
+
+ if (in_array($inlinePlaceHolder, $placeHolderOptions)) {
+ continue;
+ }
+
+ $placeholder[] = [$inlinePlaceHolder => $inlinePlaceHolderDefault];
+ }
+ }
+
+ $environmentPlaceHolders = $this->extractEnvironmentPlaceHolders($chainContent);
+ $envPlaceHolderMap = [];
+ $missingEnvironmentPlaceHolders = [];
+ foreach ($environmentPlaceHolders as $envPlaceHolder) {
+ if (!getenv($envPlaceHolder)) {
+ $missingEnvironmentPlaceHolders[$envPlaceHolder] = sprintf(
+ 'export %s=%s_VALUE',
+ $envPlaceHolder,
+ strtoupper($envPlaceHolder)
+ );
+
+ continue;
+ }
+ $envPlaceHolderMap[$envPlaceHolder] = getenv($envPlaceHolder);
+ }
+
+ if ($missingEnvironmentPlaceHolders) {
+ $io->error(
+ sprintf(
+ $this->trans('commands.chain.messages.missing-environment-placeholders'),
+ implode(', ', array_keys($missingEnvironmentPlaceHolders))
+ )
+ );
+
+ $io->info($this->trans('commands.chain.messages.set-environment-placeholders'));
+ $io->block(array_values($missingEnvironmentPlaceHolders));
+
+ return 1;
+ }
+
+ $envPlaceHolderData = new ArrayDataSource($envPlaceHolderMap);
+ $placeholderResolver = new RegexPlaceholderResolver($envPlaceHolderData, '${{', '}}');
+ $chainContent = $placeholderResolver->resolvePlaceholder($chainContent);
+
+ $inlinePlaceHolders = $this->extractInlinePlaceHolders($chainContent);
+
+ $inlinePlaceHoldersReplacements = [];
+ foreach ($inlinePlaceHolders as $key => $inlinePlaceHolder) {
+ if (strpos($inlinePlaceHolder, '|') > 0) {
+ $placeholderParts = explode('|', $inlinePlaceHolder);
+ $inlinePlaceHoldersReplacements[] = $placeholderParts[0];
+ continue;
+ }
+ $inlinePlaceHoldersReplacements[] = $inlinePlaceHolder;
+ }
+
+ $chainContent = str_replace(
+ $inlinePlaceHolders,
+ $inlinePlaceHoldersReplacements,
+ $chainContent
+ );
+
+ $inlinePlaceHolders = $inlinePlaceHoldersReplacements;
+
+ $inlinePlaceHolderMap = [];
+ foreach ($placeholder as $key => $placeholderItem) {
+ $inlinePlaceHolderMap = array_merge($inlinePlaceHolderMap, $placeholderItem);
+ }
+
+ $missingInlinePlaceHolders = [];
+
+ foreach ($inlinePlaceHolders as $inlinePlaceHolder) {
+ if (!array_key_exists($inlinePlaceHolder, $inlinePlaceHolderMap)) {
+ $missingInlinePlaceHolders[$inlinePlaceHolder] = sprintf(
+ '--placeholder="%s:%s_VALUE"',
+ $inlinePlaceHolder,
+ strtoupper($inlinePlaceHolder)
+ );
+ }
+ }
+
+ if ($missingInlinePlaceHolders) {
+ $io->error(
+ sprintf(
+ $this->trans('commands.chain.messages.missing-inline-placeholders'),
+ implode(', ', array_keys($missingInlinePlaceHolders))
+ )
+ );
+
+ $io->info($this->trans('commands.chain.messages.set-inline-placeholders'));
+ $io->block(array_values($missingInlinePlaceHolders));
+
+ return 1;
+ }
+
+ $inlinePlaceHolderData = new ArrayDataSource($inlinePlaceHolderMap);
+ $placeholderResolver = new RegexPlaceholderResolver($inlinePlaceHolderData, '%{{', '}}');
+ $chainContent = $placeholderResolver->resolvePlaceholder($chainContent);
+
+ $parser = new Parser();
+ $configData = $parser->parse($chainContent);
+
+ $commands = [];
+ if (array_key_exists('commands', $configData)) {
+ $commands = $configData['commands'];
+ }
+
+ foreach ($commands as $command) {
+ $moduleInputs = [];
+ $arguments = !empty($command['arguments']) ? $command['arguments'] : [];
+ $options = !empty($command['options']) ? $command['options'] : [];
+
+ foreach ($arguments as $key => $value) {
+ $moduleInputs[$key] = is_null($value) ? '' : $value;
+ }
+
+ foreach ($options as $key => $value) {
+ $moduleInputs['--'.$key] = is_null($value) ? '' : $value;
+ }
+
+ $parameterOptions = $input->getOptions();
+ unset($parameterOptions['file']);
+ foreach ($parameterOptions as $key => $value) {
+ if ($value===true) {
+ $moduleInputs['--' . $key] = true;
+ }
+ }
+
+ $this->chainQueue->addCommand(
+ $command['command'],
+ $moduleInputs,
+ $interactive,
+ $learning
+ );
+ }
+
+ return 0;
+ }
+
+ /**
+ * Helper to load and clean up the chain file.
+ *
+ * @param string $file The file name
+ *
+ * @return string $contents The contents of the file
+ */
+ private function getFileContents($file)
+ {
+ $contents = file_get_contents($file);
+
+ // Remove lines with comments.
+ $contents = preg_replace('![ \t]*#.*[ \t]*[\r|\r\n|\n]!', PHP_EOL, $contents);
+ // Strip blank lines
+ $contents = preg_replace("/(^[\r\n]*|[\r\n]+)[\t]*[\r\n]+/", PHP_EOL, $contents);
+
+ return $contents;
+ }
+
+ private function extractPlaceHolders($chainContent, $identifier)
+ {
+ $placeHolders = [];
+ $regex = '/\\'.$identifier.'{{(.*?)}}/';
+ preg_match_all(
+ $regex,
+ $chainContent,
+ $placeHolders
+ );
+
+ if (!$placeHolders) {
+ return [];
+ }
+
+ return array_unique($placeHolders[1]);
+ }
+
+ private function extractInlinePlaceHolders($chainContent)
+ {
+ return $this->extractPlaceHolders($chainContent, '%');
+ }
+
+ private function extractEnvironmentPlaceHolders($chainContent)
+ {
+ return $this->extractPlaceHolders($chainContent, '$');
+ }
+}