80 lines
No EOL
2.1 KiB
PHP
80 lines
No EOL
2.1 KiB
PHP
<?php
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/**
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* PHP implementation of the controller API
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*
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* @author Steffen Vogel <info@steffenvogel.de>
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* @copyright Copyright (c) 2010, The volkszaehler.org project
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* @package controller
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* @license http://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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header('Content-type: application/json');
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define('FILE', 'channels.csv');
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$methodMapping = array(
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'POST' => 'add',
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'DELETE' => 'delete',
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'GET' => 'get'
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);
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$channels = array();
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$operation = (isset($_GET['operation'])) ? $_GET['operation'] : $methodMapping[$_SERVER['REQUEST_METHOD']];
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// create file if it doesnt exist
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touch(FILE);
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// read channels
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$fd = fopen(FILE, 'r') or die('cant open file');
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while (($data = fgetcsv($fd, 100, ';')) !== FALSE) {
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$channels[] = array_combine(array('uuid', 'type', 'port', 'last_value', 'last_timestamp'), $data);
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}
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fclose($fd);
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if ($operation == 'add') {
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// TODO check for duplicate uuid
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// TODO validate input
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$channels[] = array(
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'uuid' => $_GET['uuid'],
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'type' => $_GET['type'],
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'port' => $_GET['port'],
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'value' => '',
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'timestamp' => ''
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);
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}
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elseif ($operation == 'delete') {
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$channels = array_filter($channels, function($channel) {
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return $channel['uuid'] != $_GET['uuid'];
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});
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}
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// save channels
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if (in_array($operation, array('delete', 'add'))) {
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$fd = fopen(FILE, 'w') or die('cant open file');
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foreach ($channels as $channel) {
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fputcsv($fd, $channel, ';');
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}
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fclose($fd);
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}
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// return all channels as JSON
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echo json_encode($channels);
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?>
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