92 lines
No EOL
2.2 KiB
PHP
92 lines
No EOL
2.2 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2010, The volkszaehler.org project
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* @package default
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* @license http://www.opensource.org/licenses/gpl-license.php GNU Public License
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*/
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/*
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* This file is part of volkzaehler.org
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*
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* volkzaehler.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* volkzaehler.org 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 volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace Volkszaehler\Interpreter;
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use Doctrine\ORM;
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use Volkszaehler\Model;
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class GroupInterpreter {
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protected $channelInterpreter;
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public function __construct(Model\Group $group, ORM\EntityManager $em, $from, $to) {
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foreach ($group->getChannels() as $channel) {
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if (isset($indicator) && $indicator != $channel->getIndicator) {
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throw new \Exception('we only can aggregate channels of the same indicator');
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}
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else {
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$indicator = $channel->getIndicator();
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}
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$this->channelInterpreter[] = $channel->getInterpreter($em, $from, $to);
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}
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}
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/**
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*
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* @todo to be implemented
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*/
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public function getValues($groupBy = NULL) {
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}
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/**
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*
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*/
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public function getMin() {
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$min = current($this->channelInterpreter)->getMax();
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foreach ($this->channelInterpreter as $channel) {
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$arr = $channel->getMax();
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if ($arr['value '] < $min['value']) {
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$min = $arr;
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}
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}
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return $min;
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}
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/**
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*
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*/
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public function getMax() {
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$max = current($this->channelInterpreter)->getMax();
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foreach ($this->channelInterpreter as $channel) {
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$arr = $channel->getMax();
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if ($arr['value '] > $max['value']) {
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$max = $arr;
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}
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}
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return $max;
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}
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/**
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*
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*/
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public function getAverage() {
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$sum = 0;
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foreach ($this->channels as $channel) {
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$sum += $channel->getAverage();
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}
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return ($sum / count($this->channelInterpreter));
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}
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} |