157 lines
4.1 KiB
PHP
157 lines
4.1 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\Interpreter;
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/**
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* CSV view
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*
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* @author Steffen Vogel <info@steffenvogel.de>
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* @package default
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* @todo rework
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*/
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class CSV extends View {
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const DELIMITER = ';';
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const ENCLOSURE = '"';
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protected $csv = array();
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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, $response);
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echo 'source: volkszaehler.org' . PHP_EOL;
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echo 'version: ' . VZ_VERSION . PHP_EOL;
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$this->response->setHeader('Content-type', 'text/csv');
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$this->response->setHeader('Content-Disposition', 'attachment; filename="data.csv"');
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}
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/**
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* Add object to output
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*
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* @param mixed $data
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*/
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public function add($data) {
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if ($data instanceof Interpreter\Interpreter || $data instanceof Interpreter\AggregatorInterpreter) {
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$this->addData($data);
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}
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elseif ($data instanceof \Exception) {
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$this->addException($data);
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}
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elseif ($data instanceof Util\Debug) {
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$this->addDebug($data);
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}
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elseif (isset($data)) { // ignores NULL data
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throw new \Exception('Can\'t show ' . get_class($data));
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}
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}
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/**
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* Add debugging information include queries and messages to output queue
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*
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* @param Util\Debug $debug
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*/
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protected function addDebug(Util\Debug $debug) {
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echo 'time: ' . $debug->getExecutionTime() . PHP_EOL;
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echo 'database: ' . Util\Configuration::read('db.driver') . PHP_EOL;
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foreach ($debug->getMessages() as $message) {
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echo 'message: ' . $message['message'] . PHP_EOL; // TODO add more information
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}
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foreach ($debug->getQueries() as $query) {
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echo 'query: ' . $query['sql'] . PHP_EOL;
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if (isset($query['parameters'])) {
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echo "\tparameters: " . implode(', ', $query['parameters']) . PHP_EOL;
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}
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}
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}
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/**
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* Add exception to output queue
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*
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* @param \Exception $exception
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* @param boolean $debug
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*/
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protected function addException(\Exception $exception) {
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echo get_class($exception) . '[' . $exception->getCode() . ']' . ':' . $exception->getMessage() . PHP_EOL;
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if (Util\Debug::isActivated()) {
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echo "\tfile: " . $exception->getFile() . PHP_EOL;
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echo "\tline: " . $exception->getLine() . PHP_EOL;
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}
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}
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/**
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* Add data to output queue
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*
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* @param Interpreter\InterpreterInterface $interpreter
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*/
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protected function addData(Interpreter\Interpreter $interpreter) {
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//$this->response->setHeader('Content-Disposition', 'attachment; filename="' . strtolower($interpreter->getEntity()->getProperty('title')) . '.csv"'); // TODO add time?
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$tuples = $interpreter->processData(
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$this->request->getParameter('tuples'),
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$this->request->getParameter('group'),
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function($tuple) {
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echo implode(CSV::DELIMITER, array(
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$tuple[0],
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View::formatNumber($tuple[1]),
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$tuple[2]
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)) . PHP_EOL;
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}
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);
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}
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/**
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* Process, encode and print output to stdout
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*/
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protected function render() { }
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/**
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* Escape data according to CSV format
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*
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* @param $value to be escaped
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* @return string escaped data
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*/
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protected function escape($value) {
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if (is_string($value)) {
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return self::ENCLOSURE . $value . self::ENCLOSURE;
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}
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elseif (is_numeric($value)) {
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return $value;
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}
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else {
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return (string) $value;
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}
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}
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}
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?>
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