public function GET()
{
$policy = new Policy_LoggedIn($this->app);
$app = Config::get('app');
$userid = $policy->getData();
$request = $this->app->request();
if (!$userid) {
throw new Exception_Api("Unable to authenticate.");
}
$days_back = trim($request->get('days_back'));
if (!is_numeric($days_back) && $days_back != 'all' && $days_back != 'ytd') {
throw new Exception_Api('Missing or invalid days_back field.');
}
$bmi = Helper_Weight::getBMIForUser($userid);
$stats = Helper_Weight::getStatsForUser($userid, $days_back);
$rawChange = $stats['raw_change'];
unset($stats['raw_change']);
$target = Helper_Weight::getTargetStatsForUser($userid, $rawChange);
$data = array('bmi' => $bmi, 'stats' => $stats, 'target' => $target);
return array('data' => $data, 'units' => $app->weight_units);
}
