/**
* Upload contacts stored in a csv file to some group
* @param string $file Path to csv file
* @param int $groupId Group id
* @link http://api.beepsend.com/docs.html#contacts-upload More informations about file formating
* @return array
*/
public function upload($file, $groupId)
{
if (!file_exists($file)) {
throw new FileNotFound('File you are trying to upload doesn\'t exists!');
}
/* Read file data */
$data = file_get_contents($file);
$response = $this->request->upload($this->actions['groups'] . $groupId . $this->actions['upload'], $data);
return $response;
}
