0305a6ce3b
updated proxies renamed Definition class improved JSON definitions of entities and properties
148 lines
No EOL
3.9 KiB
PHP
148 lines
No EOL
3.9 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\View;
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use Volkszaehler\View\HTTP;
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use Volkszaehler\Util;
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use Volkszaehler\Model;
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/**
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* JSON view
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*
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* @package default
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* @author Steffen Vogel <info@steffenvogel.de>
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*/
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class JSON extends View {
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protected $json;
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protected $padding = FALSE;
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/**
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* constructor
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*/
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public function __construct(HTTP\Request $request, HTTP\Response $response) {
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parent::__construct($request, $response);
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$this->json = new Util\JSON();
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$this->json['source'] = 'volkszaehler.org';
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$this->json['version'] = VZ_VERSION;
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$this->response->setHeader('Content-type', 'application/json');
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$this->padding = $this->request->getParameter('padding');
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}
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public function setPadding($padding) { $this->padding = $padding; }
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public function addChannel(Model\Channel $channel, array $data = NULL) {
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$jsonChannel['uuid'] = (string) $channel->getUuid();
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foreach ($channel->getProperties() as $property) {
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$jsonChannel[$property->getName()] = $property->getValue();
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}
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if (isset($data)) {
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$jsonChannel['data'] = self::convertData($data);
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}
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$this->json['channels'][] = $jsonChannel;
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}
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public function addAggregator(Model\Aggregator $aggregator, $recursive = FALSE) {
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$this->json['groups'][] = self::convertJson($aggregator, $recursive);
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}
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public function addDebug(Util\Debug $debug) {
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$this->json['debug'] = array(
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'time' => $debug->getExecutionTime(),
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'messages' => $debug->getMessages(),
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'database' => array(
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'driver' => Util\Configuration::read('db.driver'),
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'queries' => $debug->getQueries()
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)
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);
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}
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protected function addException(\Exception $exception) {
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$this->json['exception'] = array(
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'type' => get_class($exception),
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'message' => $exception->getMessage(),
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'code' => $exception->getCode(),
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'file' => $exception->getFile(),
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'line' => $exception->getLine(),
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'trace' => $exception->getTrace()
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);
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}
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protected static function convertAggregator(Model\Aggregator $aggregator, $recursive = FALSE) {
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$jsonAggregator = array();
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$jsonAggregator['uuid'] = (string) $aggregator->getUuid();
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$jsonAggregator['name'] = $aggregator->getName();
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$jsonAggregator['description'] = $aggregator->getDescription();
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$jsonAggregator['channels'] = array();
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foreach ($aggregator->getChannels() as $channel) {
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$jsonAggregator['channels'][] = (string) $channel->getUuid();
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}
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if ($recursive) {
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$jsonAggregator['children'] = array();
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foreach ($aggregator->getChildren() as $subAggregator) {
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$jsonAggregator['children'][] = $this->toJson($subAggregator, $recursive); // recursion
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}
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}
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return $jsonAggregator;
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}
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protected static function convertData($data) {
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$jsonData = array();
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foreach ($data as $reading) {
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$jsonData[] = array(
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(int) $reading[0],
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(float) round($reading[1], View::PRECISSION),
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(int) $reading[2]
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);
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}
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return $jsonData;
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}
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public function renderResponse() {
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$json = $this->json->encode((Util\Debug::isActivated()) ? JSON_PRETTY : 0);
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if ($this->padding) {
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$json = 'if (self.' . $this->padding . ') { ' . $this->padding . '(' . $json . '); }';
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}
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echo $json;
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}
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}
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?>
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