function get_last_query_result($svc)
{
//free subscription currently allows 10 request per minute, 500 requests per day
$delay = _DELAY;
$conditions = array('conditions'=>array('value = ?', 'MrpLastWeatherResults'));
$MrpLastWeatherResults = MythSettings::first($conditions);
if(empty($MrpLastWeatherResults)){
$MrpLastWeatherResults = new MythSettings();
$MrpLastWeatherResults->value = 'MrpLastWeatherResults';
//TODO: refactor
$MrpLastWeatherResults->hostname = new DateTime("-$delay seconds"); //init with obsolete timestamp
$MrpLastWeatherResults->save();
}
$lastCall = new DateTime($MrpLastWeatherResults->hostname);
$tooSoon = new DateTime("-$delay seconds");
if($lastCall <= $tooSoon || empty($MrpLastWeatherResults->data))
{
try{
error_log(">>>calling weather service: $svc", 0);
$data = new SimpleXMLElement($svc, NULL, TRUE);
if(can_process_feed($data))
$MrpLastWeatherResults->data = gzcompress($data->asXML(), 9);
else
return $data;
}catch (Exception $e){
return new SimpleXMLElement("<error> <type>Exception</type> <description>". $e->getMessage() ."</description> </error>");
}
$MrpLastWeatherResults->hostname = new DateTime();
$MrpLastWeatherResults->save();
}
error_log(">>>using stored weather results: $MrpLastWeatherResults->hostname", 0);
return simplexml_load_string(gzuncompress($MrpLastWeatherResults->data));
}
function useUTC(){
if(!defined('_UTC')){
$conditions = array('conditions'=>array('value = ?', 'DBSchemaVer'));
$settings = MythSettings::first($conditions);
$value = $settings->data;
error_log(">>> DB SCHEMA: $value", 0);
define('_UTC', (int)$value >= (int)DB_UTC_VER ? true:false);
}
return _UTC == true;
}
