/**
* Initialize project by calling get_config on the RW server and saving the response.
*
* @param int $id PK of a project
* @throws Exception if valid config objects (device, session, project) are not returned from RW
*/
function __construct(array $config = array())
{
$this->CI =& get_instance();
$this->log = KLogger::syslog(KLogger::DEBUG, TRUE);
if (isset($config['id'])) {
$this->project_id = $config['id'];
}
// if we don't have an RW session-id, call get config and push the device and project
// values into the CI session. If we do have an RW session-id, pull those values
// from the CI session.
if (FALSE === ($this->rw_session_id = $this->CI->session->userdata('rw_session_id'))) {
$this->config(json_decode($this->do_curl('get_config')));
$this->CI->session->set_userdata('rw_session_id', $this->rw_session_id);
$this->CI->session->set_userdata('rw_device', $this->device);
$this->CI->session->set_userdata('rw_project', $this->project);
} else {
$this->rw_session_id = $this->CI->session->userdata('rw_session_id');
$this->device = $this->CI->session->userdata('rw_device');
$this->project = $this->CI->session->userdata('rw_project');
}
// we can't do anything without device, session and project objects
if (!($this->device && $this->rw_session_id && $this->project)) {
throw new Exception("Roundware could not be initialized with the given project ID.");
}
}