/**
* Return the key fields z-values for the selected city and the key fields z-values average
* @param string $cityName name of the selected city
* @return array $cityValues it contains the z-values and a z-values average
*/
public function profile($cityName)
{
if (isset($cityName)) {
if (strcmp($cityName, '') != 0) {
$keyFieldsZValues = new RankController();
$average = new ZtransformController();
//Retrive the z-values for each key field
$educationKeyField = $keyFieldsZValues->educationKeyField();
$governmentExpenKeyField = $keyFieldsZValues->governmentExpendituresKeyField();
$healthKeyField = $keyFieldsZValues->healthKeyField();
$economyKeyField = $keyFieldsZValues->economyKeyField();
$employmentKeyField = $keyFieldsZValues->employmentKeyField();
$environmentKeyField = $keyFieldsZValues->environmentKeyField();
//create an array with each z-value of the selected city
$cityInfo = array('Educação' => $educationKeyField[$cityName], 'Finanças Públicas' => $governmentExpenKeyField[$cityName], 'Saúde' => $healthKeyField[$cityName], 'Economia' => $economyKeyField[$cityName], 'Emprego' => $employmentKeyField[$cityName], 'Meio Ambiente' => $environmentKeyField[$cityName]);
$cityValues = CityProfileController::mergeAverage($cityInfo);
return $cityValues;
}
}
return 0;
}
/**
* This method will calculate a overall rating from the ranking create for each key field
* it will sum the ranking values of each key value and then sort them from low to high,
* once the city that has the lowest score will have the best position
* @param array $keyFieldsRank It will receive multidimentional array which keeps
* the ranking of each key field
*/
private function overallRating($keyFieldsRank)
{
//Create an array with citie's name as key and each key set as zero
$overallSort = array_fill_keys(array_keys($keyFieldsRank["education"]), 0);
$overallRank = array();
//Sum the cities scores
foreach ($keyFieldsRank as $key => $keyField) {
foreach ($keyField as $key => $value) {
$overallSort[$key] += $value;
}
}
//sort the ranking scores from low to high
asort($overallSort);
//Make the ranking from the sum of each city's rank
$rankingScores = RankController::makeDenseRanking($overallSort);
return $rankingScores;
}