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<?php |
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namespace UCD\Console\Application\Command; |
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use Symfony\Component\Console\Helper\ProgressBar; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Input\InputDefinition; |
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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 UCD\Unicode\Character\Repository; |
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use UCD\Unicode\Character\WritableRepository; |
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use UCD\Exception\InvalidArgumentException; |
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use UCD\Infrastructure\Repository\CharacterRepository\XMLRepository; |
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class RepositoryTransferCommand extends RepositoryUtilisingCommand implements \SplObserver |
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{ |
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const COMMAND_NAME = 'repository-transfer'; |
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const ARGUMENT_FROM = 'from'; |
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const ARGUMENT_TO = 'to'; |
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/** |
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* @var ProgressBar |
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*/ |
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protected $progress; |
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protected function configure() |
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{ |
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$this->setName(self::COMMAND_NAME); |
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$this->setDescription('Reads characters from one repository and adds them to another'); |
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$this->setDefinition($this->createInputDefinition()); |
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} |
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/** |
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* @param InputInterface $input |
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* @param OutputInterface $output |
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* @return int |
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* @throws InvalidArgumentException |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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$start = microtime(true); |
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$from = $input->getArgument(self::ARGUMENT_FROM); |
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$to = $input->getArgument(self::ARGUMENT_TO); |
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if ($from === $to) { |
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throw new InvalidArgumentException('Repositories must differ'); |
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} |
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$source = $this->getRepositoryByName($from); |
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$destination = $this->getWritableRepositoryByName($to); |
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$this->setupProgressBar($output, $source, $destination); |
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$characters = $source->getAll(); |
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$destination->addMany($characters); |
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$this->tearDownProgressBar(); |
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$output->writeln(''); |
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$output->writeln('<info>Database Generated</info>'); |
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$output->writeln(sprintf('Memory peak: %.5f MB', memory_get_peak_usage() / 1048576)); |
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$output->writeln(sprintf('Took: %.5f seconds', microtime(true) - $start)); |
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return 0; |
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} |
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/** |
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* @param OutputInterface $output |
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* @param Repository $source |
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* @param WritableRepository $destination |
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*/ |
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private function setupProgressBar(OutputInterface $output, Repository $source, WritableRepository $destination) |
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{ |
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$this->progress = new ProgressBar($output, count($source)); |
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$this->progress->setMessage('Generating database...'); |
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$this->progress->start(); |
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$destination->attach($this); |
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} |
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private function tearDownProgressBar() |
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{ |
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$this->progress->finish(); |
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} |
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/** |
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* @return InputDefinition |
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*/ |
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private function createInputDefinition() |
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{ |
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$readNamesList = implode(', ', $this->getRepositoryNames()); |
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$writeNamesList = implode(', ', $this->getWritableRepositoryNames()); |
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$from = new InputArgument( |
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self::ARGUMENT_FROM, |
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InputArgument::REQUIRED, |
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sprintf('Repository from which the characters should be retrieved. Choose from: %s', $readNamesList) |
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); |
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$to = new InputArgument( |
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self::ARGUMENT_TO, |
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InputArgument::REQUIRED, |
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sprintf('Repository to which the characters should be added. Choose from: %s', $writeNamesList) |
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); |
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return new InputDefinition([$from, $to]); |
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} |
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/** |
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* @param \SplSubject $subject |
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*/ |
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public function update(\SplSubject $subject) |
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{ |
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if ($subject instanceof WritableRepository) { |
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$this->progress->setProgress(count($subject)); |
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} |
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} |
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} |
nick-jones /
php-ucd
