/**
* Return the government expenditures z-values for the selected city and its average
* @param string $cityName name of the selected city
* @return array $cityValues it contains the z-values and a z-values average
*/
public function governmentExpendituresDomain($cityName)
{
if (isset($cityName)) {
if (strcmp($cityName, '') != 0) {
$expenditures = new GovernmentExpendituresController();
//Get the z-value for city taxes
$municipalTaxes = $expenditures->municipalTaxes();
//Get the z-value for federal taxes
$federalTaxes = $expenditures->federalTaxes();
//Get the z-value for state taxes
$stateTaxes = $expenditures->stateTaxes();
//Get the z-value for government expending
$governmentExpending = $expenditures->governmentExpending();
$cityExpendituresInfo = array("Tributos Municipais" => $municipalTaxes[$cityName], "Tributos Federais" => $federalTaxes[$cityName], "Tributos Estaduais" => $stateTaxes[$cityName], "Despesas Realizadas" => $governmentExpending[$cityName]);
$cityExpendituresValues = CityProfileController::mergeAverage($cityExpendituresInfo);
return $cityExpendituresValues;
}
}
return 0;
}
/**
* It will calculate the average of the z-values for Government Expenditures
* @return return the average of z-values by key field of each city
*/
public function governmentExpendituresKeyField()
{
$expenditures = new GovernmentExpendituresController();
//Get the z-value for city taxes
$municipalTaxes = $expenditures->municipalTaxes();
//Get the z-value for federal taxes
$federalTaxes = $expenditures->federalTaxes();
//Get the z-value for state taxes
$stateTaxes = $expenditures->stateTaxes();
//Get the z-value for government expending
$governmentExpending = $expenditures->governmentExpending();
//sum z-values
$sumZvalues = array_map(array($this, "sumCityValues"), $municipalTaxes, $federalTaxes, $stateTaxes, $governmentExpending);
//Divide the sum of z-values to obtain the z-values average of each city
$zValuesAvg = array_map(array($this, "divideKeyFields"), $sumZvalues, array_fill(0, count($sumZvalues), 4));
//combine the array keys(cities'name) with the average of z-values gotten
$zValuesAvg = array_combine(array_keys($stateTaxes), array_values($zValuesAvg));
return $zValuesAvg;
}
