5923ae8940
added jpgraph output for debugging adding import script for f10's data (http://github.com/f10/volkszaehler.org) updated 1wire logging script
49 lines
No EOL
1.9 KiB
PHP
49 lines
No EOL
1.9 KiB
PHP
<?php
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/*
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* Copyright (c) 2010 by Justin Otherguy <justin@justinotherguy.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (either version 2 or
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* version 3) as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* For more information on the GPL, please go to:
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* http://www.gnu.org/copyleft/gpl.html
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*/
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namespace Volkszaehler\Interpreter;
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class Sensor extends Interpreter {
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public function getValues($from = NULL, $to = NULL, $groupBy = NULL) {
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$data = parent::getData($from, $to, $groupBy);
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array_walk($data, function(&$reading) {
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$reading['value'] /= $reading['count']; // calculate average (ungroup the sql sum() function)
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});
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return $data;
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}
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public function getMin($from = NULL, $to = NULL) { // TODO untested
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return $this->dbh->query('SELECT value, timestamp FROM data WHERE channel_id = ' . (int) $this->id . self::buildFilterTime($from, $to) . ' ORDER BY value ASC', 1)->current();
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}
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public function getMax($from = NULL, $to = NULL) { // TODO untested
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return $this->dbh->query('SELECT value, timestamp FROM data WHERE channel_id = ' . (int) $this->id . self::buildFilterTime($from, $to) . ' ORDER BY value DESC', 1)->current();
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}
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public function getAverage($from = NULL, $to = NULL) { // TODO untested
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return $this->dbh->query('SELECT AVG(value) AS value FROM data WHERE channel_id = ' . (int) $this->id . self::buildFilterTime($from, $to))->current();
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}
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}
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?>
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