/**
* Delete a city with its city areas
*
* @access public
* @since 3.1
* @param $pk
* @return int number of failed deletions or 0 in case of none
*/
function deleteByPrimaryKey($pk)
{
$mCityAreas = CityArea::NewInstance();
$aCityAreas = $mCityAreas->findByCity($pk);
$result = 0;
foreach ($aCityAreas as $cityarea) {
$result += $mCityAreas->deleteByPrimaryKey($cityarea['pk_i_id']);
}
Item::newInstance()->deleteByCity($pk);
CityStats::newInstance()->delete(array('fk_i_city_id' => $pk));
User::newInstance()->update(array('fk_i_city_id' => null, 's_city' => ''), array('fk_i_city_id' => $pk));
if (!$this->delete(array('pk_i_id' => $pk))) {
$result++;
}
return $result;
}