/**
* Validate the object.
* @return boolean
*/
public function isValid()
{
# File exists
if (!file_exists($this->zippedContent->getFilename())) {
return false;
}
# Can open zip file
$zip = new \ZipArchive();
if ($zip->open($this->zippedContent->getFilename()) !== true) {
return false;
}
# Check if an XML and XSD file are present
$xmlFile = false;
$xsdFile = false;
for ($i = 0; $i < $zip->numFiles; $i++) {
$filename = $zip->getNameIndex($i);
$file = new File($filename);
$extension = strtolower($file->getExtension());
if ($extension === 'xml') {
$xmlFile = true;
} elseif ($extension === 'xsd') {
$xsdFile = true;
}
}
$zip->close();
return $xmlFile && $xsdFile;
}
/**
* ZippedContent constructor.
* Checks if the ZIP extension is installed.
* @param string $filename
* @throws ZipExtensionRequired
*/
public function __construct($filename)
{
if (!extension_loaded('zip')) {
throw new ZipExtensionRequired('The ZIP extension is required but not found on this system.');
}
parent::__construct($filename);
}
/**
* Unpack the zip file.
* @return array of Realworks\File\File objects
* @throws CanNotOpenZipFile
*/
public function unpack()
{
$result = [];
$zip = new \ZipArchive();
if ($zip->open($this->zippedContent->getFilename()) !== true) {
throw new CanNotOpenZipFile("Can not open zip file: {$this->zippedContent->getFilename()}");
}
$zip->extractTo($this->directory);
$zip->close();
foreach (scandir($this->directory) as $extractedFileName) {
$fullFilename = $this->directory . $extractedFileName;
if (!is_dir($fullFilename)) {
$file = new File($fullFilename);
$extension = strtolower($file->getExtension());
switch ($extension) {
case 'xml':
$result[] = new XMLFile($fullFilename);
break;
case 'xsd':
$result[] = new XSDFile($fullFilename);
break;
default:
$result[] = $file;
}
}
}
return $result;
}
