private function compress($metadata, $attachment_id)
{
$mime_type = get_post_mime_type($attachment_id);
$tiny_metadata = new Tiny_Metadata($attachment_id, $metadata);
if ($this->settings->get_compressor() === null || strpos($mime_type, 'image/') !== 0) {
return $metadata;
}
$success = 0;
$failed = 0;
$compressor = $this->settings->get_compressor();
$sizes = $this->settings->get_tinify_sizes();
$missing = $tiny_metadata->get_missing_sizes($sizes);
foreach ($missing as $size) {
try {
$tiny_metadata->add_request($size);
$tiny_metadata->update();
$response = $compressor->compress_file($tiny_metadata->get_filename($size));
$tiny_metadata->add_response($response, $size);
$success++;
} catch (Tiny_Exception $e) {
$tiny_metadata->add_exception($e, $size);
$failed++;
}
}
$tiny_metadata->update();
return array($tiny_metadata, array('success' => $success, 'failed' => $failed));
}
