public function checkPeriod($measuring_timestamp, $sensor_feature_id, $station_id, $key)
{
// todo
$station = new Station();
$stationData = $station->findbypk($station_id);
if ($stationData['timezone_id']) {
TimezoneWork::set($stationData['timezone_id']);
}
$last = $this->prepared_pairs[$this->checkPeriodArray[$key]];
$criteria = new CDbCriteria();
$criteria->select = 'measuring_timestamp, sensor_feature_value, sensor_feature_normalized_value, period, measuring_timestamp, sensor_feature_id, station_id';
$criteria->addCondition('measuring_timestamp < "' . $measuring_timestamp . '"');
$criteria->addCondition('sensor_feature_id = "' . $sensor_feature_id . '"');
$criteria->addCondition('station_id = "' . $station_id . '"');
$criteria->order = 'measuring_timestamp DESC';
$criteria->limit = 1;
$data = SensorData::model()->find($criteria);
if (!is_null($data) and $data != false) {
$value_norm = $last['normilized_value'] - $data['sensor_feature_normalized_value'];
$getDate = getdate(strtotime($measuring_timestamp));
$getDatePrev = getdate(strtotime($data['measuring_timestamp']));
if ($getDate['yday'] != $getDatePrev['yday'] && ($getDate['hours'] != 0 || $getDate['minutes'] != 0 || $getDate['seconds'] != 0) || $getDate['yday'] == $getDatePrev['yday'] && $getDatePrev['hours'] == 0 && $getDatePrev['minutes'] == 0 && $getDatePrev['seconds'] == 0) {
$this->prepared_pairs[$key]['period'] = $getDate['hours'] * 60 + $getDate['minutes'];
$this->prepared_pairs[$key]['value'] = $last['value'];
$this->prepared_pairs[$key]['normilized_value'] = $last['normilized_value'];
} else {
$this->prepared_pairs[$key]['period'] = round((strtotime($measuring_timestamp) - strtotime($data['measuring_timestamp'])) / 60);
$this->prepared_pairs[$key]['value'] = $last['value'] - $data['sensor_feature_value'];
$this->prepared_pairs[$key]['normilized_value'] = $value_norm;
if ($this->prepared_pairs[$key]['value'] < 0) {
$this->prepared_pairs[$key]['period'] = $getDate['hours'] * 60 + $getDate['minutes'];
$this->prepared_pairs[$key]['value'] = $last['value'];
$this->prepared_pairs[$key]['normilized_value'] = $last['normilized_value'];
}
if ($last['value'] == 0 && $this->prepared_pairs[$key]['value'] < 0) {
$this->prepared_pairs[$key]['value'] = 0;
$this->prepared_pairs[$key]['normilized_value'] = 0.0;
}
}
$this->_logger->log(__METHOD__ . ' getDate: ' . $measuring_timestamp);
$this->_logger->log(__METHOD__ . ' sensor_feature_id: ' . $sensor_feature_id);
$this->_logger->log(__METHOD__ . ' station_id: ' . $station_id);
$this->_logger->log(__METHOD__ . ' getDatePrev: ' . $data['measuring_timestamp']);
}
return $this->prepared_pairs[$key];
}
