/**
* Handle incoming requests that query for average noise level by zip
* code. Sound levels are taken from the database and average is
* calculated across all values with desired postal code.
*/
public static function handleAverageNoiseLevelByZipCodeRequest($zipCode)
{
// Validate zip code
if (!MediaServer::validZipCode($zipCode, false)) {
return array('Statuscode' => 'Error', 'Message' => 'Invalid or no zip code provided.');
}
// Return average noise level by zip code
$database = new Database();
$resultSet = $database->getAverageNoiseLevelByZipCode($zipCode);
// Cast average noise level to integer
$averageNoiseLevel = intval($resultSet[0]['averageNoiseLevel']);
if ($averageNoiseLevel == '') {
return array('Statuscode' => 'Info', 'Message' => 'No sound levels found in postcode area.');
}
// Log average noise levels request
Logger::log('Average noise levels requested for zip code area \'' . $zipCode . '\'.', Logger::NOISE_AVG_BY_ZIP_REQUEST);
// Send response
return array('Statuscode' => 'OK', 'Message' => 'Average sound level successfully queried by zip code.', 'AverageNoiseLevel' => $averageNoiseLevel);
}
