/**
* get the category data, convert it to an array
* check it has data and throw an exception if it does not
* @return mixed
* @throws DataNotFoundException
*/
protected function categoryData()
{
$data = json_decode(json_encode(Afg::categoriesChart($this->selectedYears(), $this->selectedPriorities())), true);
if (count($data) < 1) {
throw new DataNotFoundException('The options you selected provided no results.');
}
return $data;
}
