89 lines
No EOL
2.4 KiB
PHP
89 lines
No EOL
2.4 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2010, The volkszaehler.org project
|
|
* @package default
|
|
* @license http://www.opensource.org/licenses/gpl-license.php GNU Public License
|
|
*/
|
|
/*
|
|
* This file is part of volkzaehler.org
|
|
*
|
|
* volkzaehler.org is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* any later version.
|
|
*
|
|
* volkzaehler.org is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
namespace Volkszaehler\Interpreter;
|
|
|
|
/**
|
|
* Sensor interpreter
|
|
*
|
|
* @package default
|
|
* @author Steffen Vogel <info@steffenvogel.de>
|
|
*/
|
|
class SensorInterpreter extends Interpreter {
|
|
|
|
/**
|
|
* @todo untested
|
|
* @param string|integer $groupBy
|
|
*/
|
|
public function getValues($groupBy = NULL) {
|
|
$data = parent::getData($groupBy);
|
|
|
|
$values = array();
|
|
foreach ($data as $reading) {
|
|
$values[] = array(
|
|
$reading[0],
|
|
$reading[1] / $reading[2], // calculate average (ungroup the sql sum() function)
|
|
$reading[2]
|
|
);
|
|
}
|
|
|
|
return $values;
|
|
}
|
|
|
|
/**
|
|
* @todo adapt to doctrine orm
|
|
* @todo untested
|
|
* @return array
|
|
*/
|
|
public function getMin() {
|
|
return $this->dbh->query('SELECT value, timestamp FROM data WHERE channel_id = ' . (int) $this->id . self::buildFilterTime($this->from, $this->to) . ' ORDER BY value ASC', 1)->current();
|
|
}
|
|
|
|
/**
|
|
* @todo adapt to doctrine orm
|
|
* @todo untested
|
|
* @return array
|
|
*/
|
|
public function getMax() {
|
|
return $this->dbh->query('SELECT value, timestamp FROM data WHERE channel_id = ' . (int) $this->id . self::buildFilterTime($this->from, $this->to) . ' ORDER BY value DESC', 1)->current();
|
|
}
|
|
|
|
/**
|
|
* @todo adapt to doctrine orm
|
|
* @todo untested
|
|
* @return float
|
|
*/
|
|
public function getAverage() {
|
|
return $this->dbh->query('SELECT AVG(value) AS value FROM data WHERE channel_id = ' . (int) $this->id . self::buildFilterTime($this->from, $this->to))->current();
|
|
}
|
|
|
|
/**
|
|
* @todo to be implemented
|
|
* @return float
|
|
*/
|
|
public function getConsumption() {
|
|
|
|
}
|
|
}
|
|
|
|
?>
|