/**
* Generate a QR code for the given data.
*
* @return Zend_Pdf_Image
*/
public function generate($data)
{
$temp = tempnam($this->_tempDir, self::TEMP_FILE_PREFIX);
// Zend_Pdf_Image dies if lacking the correct file extension.
$tempPng = $temp . ".png";
rename($temp, $tempPng);
$temp = $tempPng;
$url = $this->_qrCodeUri($data);
$client = new Omeka_Http_Client($url);
$client->setMaxRetries(10);
$response = $client->request('GET');
if ($response->isSuccessful()) {
file_put_contents($temp, $response->getBody());
$image = Zend_Pdf_Image::imageWithPath($temp);
unlink($temp);
return $image;
} else {
throw new Zend_Http_Client_Exception("Could not retrieve QR chart from Google.");
}
}
/**
* Set options for the storage adapter.
*
* @param array $options
*/
public function __construct(array $options = array())
{
$this->_options = $options;
if (array_key_exists(self::AWS_KEY_OPTION, $options) && array_key_exists(self::AWS_SECRET_KEY_OPTION, $options)) {
$awsKey = $options[self::AWS_KEY_OPTION];
$awsSecretKey = $options[self::AWS_SECRET_KEY_OPTION];
} else {
throw new Omeka_Storage_Exception('You must specify your AWS access key and secret key to use the ZendS3 storage adapter.');
}
if (!array_key_exists(self::BUCKET_OPTION, $options)) {
throw new Omeka_Storage_Exception('You must specify an S3 bucket name to use the ZendS3 storage adapter.');
}
// Use Omeka_Http_Client to retry up to 3 times on timeouts
$client = new Omeka_Http_Client();
$client->setMaxRetries(3);
Zend_Service_Amazon_S3::setHttpClient($client);
$this->_s3 = new Zend_Service_Amazon_S3($awsKey, $awsSecretKey);
if (!empty($options[self::ENDPOINT_OPTION])) {
$this->_s3->setEndpoint($options[self::ENDPOINT_OPTION]);
}
}