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<?php // phpcs:ignore
/**
* Snapshot models: multipart upload model
*
* @package snapshot
*/
/**
* Multipart uploader class
*/
class Snapshot_Model_Transfer_Upload extends Snapshot_Model_Transfer {
public function __construct( $path = false ) {
parent::__construct(
Snapshot_Model_Transfer::TYPE_UPLOAD,
$path
);
}
/**
* Initializes upload transfer
*
* Spawns transfer parts and sets upload ID.
*
* @param string $upload_id AWS S3 upload ID.
*/
public function initialize( $upload_id ) {
$parts = $this->get_transfer_parts( filesize( $this->get_path() ) );
$this->set_parts( $parts );
$this->set_transfer_id( $upload_id );
}
/**
* Gets file content corresponding to part
*
* @param object $part Snapshot_Model_Transfer_Part instance.
*
* @return string
*/
public function get_payload( Snapshot_Model_Transfer_Part $part ) {
if ( ! file_exists( $this->get_path() ) || ! is_readable( $this->get_path() ) ) {
return '';
}
// phpcs:ignore
$fp = fopen( $this->get_path(), 'r' );
if ( ftell( $fp ) !== $part->get_seek() ) {
fseek( $fp, $part->get_seek() );
}
// phpcs:ignore
return fread( $fp, $part->get_length() );
}
}