protected function execute(InputInterface $input, OutputInterface $output)
{
$imageDir = $input->getArgument('image_dir');
if (!is_dir($imageDir)) {
throw new \RuntimeException($imageDir . ' is not a valid directory');
}
$pattern = $imageDir . '/*/*.gif';
foreach (glob($pattern) as $path) {
$realPath = realpath($path);
$originalFileSize = filesize($realPath);
$output->writeln(sprintf('<info>Optimizing image: %s</info>', $realPath));
$output->writeln(sprintf('<comment>Before: %s</comment>', $this->formatBytes($originalFileSize)));
$this->optimizer->optimize($realPath);
// File size information is cached, so make sure we clear this to get the file save difference.
clearstatcache(true, $realPath);
$optimizedFileSize = filesize($realPath);
$output->writeln(sprintf('<comment>After: %s</comment>', $this->formatBytes($optimizedFileSize)));
$percentage = 100 - $optimizedFileSize / $originalFileSize * 100;
$output->writeln(sprintf('<comment>Saving: %s%%</comment>', round($percentage)));
}
}
