110 lines
3.4 KiB
PHP
110 lines
3.4 KiB
PHP
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<?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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class ChannelController extends Controller {
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private $jsonHeader = array();
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public function __construct(HttpRequest $request, HttpResponse $response) {
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parent::__construct($request, $response);
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$config = Registry::get('config');
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$this->jsonHeader = array('source' => 'volkszaehler.org',
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'version' => '0.1',
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'storage' => $config['db']['backend']);
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//$this->response->headers['Content-type'] = 'application/json'; // TODO uncomment in production use (just for debug)
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}
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public function process() {
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switch ($this->request->get['action']) {
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case 'get':
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$this->get();
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break;
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case 'log':
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$this->log();
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break;
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default:
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throw new InvalidArgumentException('Invalid action specified!');
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}
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}
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private function get() {
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$json = $this->jsonHeader;
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if ($this->request->get['data'] == 'channels' || $this->request->get['data'] == 'pulses') {
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$json['type'] = 'channels';
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if ($this->request->get['data'] == 'channels') { // get all channels assigned to user
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$user = current(User::getByFilter(array('id' => 1)));
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$channels = $user->getChannels();
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}
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else {
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$ids = explode(',', trim($this->request->get['ids']));
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$channels = Channel::getByFilter(array('id' => $ids), true, false); // get all channels with id in $ids as an array
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$from = (isset($this->request->get['from'])) ? (int) $this->request->get['from'] : NULL;
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$to = (isset($this->request->get['to'])) ? (int) $this->request->get['to'] : NULL;
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$groupBy = (isset($this->request->get['groupby'])) ? $this->request->get['groupby'] : 400;
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$json['from'] = $from; // TODO use min max tiestamps from Channel::getData()
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$json['to'] = $to;
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}
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foreach ($channels as $channel) {
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$jsonChannel = array('id' => (int) $channel->id,
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'resolution' => (int) $channel->resolution,
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'description' => $channel->description,
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'type' => $channel->type,
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'costs' => $channel->cost);
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if ($this->request->get['data'] == 'pulses') {
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$json['type'] = 'pulses';
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$jsonChannel['pulses'] = array();
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foreach ($channel->getPulses($from, $to, $groupBy) as $pulse) {
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$jsonChannel['pulses'][] = array($pulse['timestamp'], $pulse['value']);
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}
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}
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$json['channels'][] = $jsonChannel;
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}
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}
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echo json_encode($json);
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}
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private function log() {
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$ucid = $this->request->get['ucid'];
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$channel = Channel::getByUcid($ucid);
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if (!($channel instanceof Channel)) {
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$channel = Channel::addChannel($ucid);
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}
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$channel->addData($this->request->get);
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}
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}
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?>
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