public function testGetCoordinates()
{
foreach (self::$_fields as $level => $fields) {
$location = new CM_Model_Location($level, $fields['id']);
$coordinates = $location->getCoordinates();
if ($level >= CM_Model_Location::LEVEL_CITY) {
$this->assertInternalType('array', $coordinates);
$this->assertCount(2, $coordinates);
$this->assertInternalType('float', $coordinates['lat']);
$this->assertInternalType('float', $coordinates['lon']);
} else {
$this->assertNull($location->getCoordinates());
}
}
}
/**
* @param CM_Model_Location $location
* @return int|null
*/
public function getDistance(CM_Model_Location $location)
{
$currentCoordinates = $this->getCoordinates();
$againstCoordinates = $location->getCoordinates();
if (!$currentCoordinates || !$againstCoordinates) {
return null;
}
$pi180 = M_PI / 180;
$currentCoordinates['lat'] *= $pi180;
$currentCoordinates['lon'] *= $pi180;
$againstCoordinates['lat'] *= $pi180;
$againstCoordinates['lon'] *= $pi180;
$arcCosine = acos(sin($currentCoordinates['lat']) * sin($againstCoordinates['lat']) + cos($currentCoordinates['lat']) * cos($againstCoordinates['lat']) * cos($currentCoordinates['lon'] - $againstCoordinates['lon']));
return (int) round(self::EARTH_RADIUS * $arcCosine);
}
/**
* @param string $field
* @param CM_Model_Location $location
*/
public function sortGeoDistance($field, CM_Model_Location $location)
{
if (!$location->getCoordinates()) {
return;
}
$this->_sort(array('_geo_distance' => array($field => $location->getCoordinates())));
}
