/**
* {@inheritdoc}
*/
public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property)
{
// If we're stubbing a file entity, return a uri of NULL so it will get
// stubbed by the general process.
if ($row->isStub()) {
return NULL;
}
list($source, $destination) = $value;
// Modify the destination filename if necessary.
$replace = !empty($this->configuration['rename']) ? FILE_EXISTS_RENAME : FILE_EXISTS_REPLACE;
$final_destination = file_destination($destination, $replace);
// Try opening the file first, to avoid calling file_prepare_directory()
// unnecessarily. We're suppressing fopen() errors because we want to try
// to prepare the directory before we give up and fail.
$destination_stream = @fopen($final_destination, 'w');
if (!$destination_stream) {
// If fopen didn't work, make sure there's a writable directory in place.
$dir = $this->fileSystem->dirname($final_destination);
if (!file_prepare_directory($dir, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS)) {
throw new MigrateException("Could not create or write to directory '{$dir}'");
}
// Let's try that fopen again.
$destination_stream = @fopen($final_destination, 'w');
if (!$destination_stream) {
throw new MigrateException("Could not write to file '{$final_destination}'");
}
}
// Stream the request body directly to the final destination stream.
$this->configuration['guzzle_options']['sink'] = $destination_stream;
// Make the request. Guzzle throws an exception for anything other than 200.
$this->httpClient->get($source, $this->configuration['guzzle_options']);
return $final_destination;
}
/**
* Returns the directory component of a URI or path.
*
* For URIs like public://foo.txt, the full physical path of public://
* will be returned, since a scheme by itself will trip up certain file
* API functions (such as file_prepare_directory()).
*
* @param string $uri
* The URI or path.
*
* @return string|false
* The directory component of the path or URI, or FALSE if it could not
* be determined.
*/
protected function getDirectory($uri)
{
$dir = $this->fileSystem->dirname($uri);
if (substr($dir, -3) == '://') {
return $this->fileSystem->realpath($dir);
}
return $dir;
}
/**
* {@inheritdoc}
*/
public function denormalize($data, $class, $format = NULL, array $context = array())
{
// File content can be passed base64 encoded in a special "data" property.
// That property is not a field, so we remove it before denormalizing the
// rest of the file entity.
$file_data = $data['data'][0]['value'];
unset($data['data']);
$entity = parent::denormalize($data, $class, $format, $context);
// Decode and save to file if it's a new file.
if (!isset($context['request_method']) || $context['request_method'] != 'patch') {
$file_contents = base64_decode($file_data);
$dirname = $this->fileSystem->dirname($entity->getFileUri());
file_prepare_directory($dirname, FILE_CREATE_DIRECTORY);
if ($uri = file_unmanaged_save_data($file_contents, file_build_uri(drupal_basename($entity->getFilename())))) {
$entity->setFileUri($uri);
} else {
throw new RuntimeException('failed to write ' . $entity->getFilename());
}
}
return $entity;
}
/**
* Locate all images in a piece of text that need replacing.
*
* An array of settings that will be used to identify which images need
* updating. Includes the following:
*
* - image_locations: An array of acceptable image locations.
* of the following values: "remote". Remote image will be downloaded and
* saved locally. This procedure is intensive as the images need to
* be retrieved to have their dimensions checked.
*
* @param string $text
* The text to be updated with the new img src tags.
*
* @return array $images
* An list of images.
*/
private function getImages($text)
{
$dom = Html::load($text);
$xpath = new \DOMXPath($dom);
/** @var \DOMNode $node */
foreach ($xpath->query('//img') as $node) {
$file = $this->entityRepository->loadEntityByUuid('file', $node->getAttribute('data-entity-uuid'));
// If the image hasn't an uuid then don't try to resize it.
if (is_null($file)) {
continue;
}
$image = $this->imageFactory->get($node->getAttribute('src'));
// Checking if the image needs to be resized.
if ($image->getWidth() == $node->getAttribute('width') && $image->getHeight() == $node->getAttribute('height')) {
continue;
}
$target = file_uri_target($file->getFileUri());
$dirname = dirname($target) != '.' ? dirname($target) . '/' : '';
$info = pathinfo($file->getFileUri());
$resize_file_path = 'public://resize/' . $dirname . $info['filename'] . '-' . $node->getAttribute('width') . 'x' . $node->getAttribute('height') . '.' . $info['extension'];
// Checking if the image was already resized:
if (file_exists($resize_file_path)) {
$node->setAttribute('src', file_url_transform_relative(file_create_url($resize_file_path)));
continue;
}
// Delete this when https://www.drupal.org/node/2211657#comment-11510213
// be fixed.
$dirname = $this->fileSystem->dirname($resize_file_path);
if (!file_exists($dirname)) {
file_prepare_directory($dirname, FILE_CREATE_DIRECTORY);
}
// Checks if the resize filter exists if is not then create it.
$copy = file_unmanaged_copy($file->getFileUri(), $resize_file_path, FILE_EXISTS_REPLACE);
$copy_image = $this->imageFactory->get($copy);
$copy_image->resize($node->getAttribute('width'), $node->getAttribute('height'));
$copy_image->save();
$node->setAttribute('src', file_url_transform_relative(file_create_url($copy)));
}
return Html::serialize($dom);
}
