function filter()
{
$epiweek = $_POST['epiweek'];
$filterdyear = $_POST['filteryear'];
$provinceId = $_POST['province'];
$districtId = $_POST['district'];
$district = District::getName($districtId);
$districtName = $district->Name;
$districts = District::getAll();
$provinces = Province::getAll();
$diseases = Disease::getAllObjects();
$years = Surveillance::getYears();
$data['selected_epiweek'] = $epiweek;
$data['provinces'] = $provinces;
$data['districts'] = $districts;
$data['years'] = $years;
$data['diseases'] = $diseases;
$data['districtName'] = $districtName;
$data['values'] = $this->getPerDistrict($districtId, $epiweek, $provinceId, $filterdyear);
$data['content_view'] = 'submissions_distr_v';
$this->base_params($data);
}
