Added simplistic .txt context

lib/Router.php

@@ -88,9 +88,9 @@ class Router implements HttpKernelInterface {
 	 * @var array format => view mapping
 	 */
 	public static $viewMapping = array(
-		'xml'			=> 'Volkszaehler\View\XML',
 		'csv'			=> 'Volkszaehler\View\CSV',
 		'json'			=> 'Volkszaehler\View\JSON',
+		'txt'			=> 'Volkszaehler\View\Text'
 	);
 
 	/**

lib/View/Text.php

@@ -0,0 +1,134 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016, The volkszaehler.org project
+ * @package default
+ * @license http://www.opensource.org/licenses/gpl-license.php GNU Public License
+ */
+/*
+ * This file is part of volkzaehler.org
+ *
+ * volkzaehler.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * volkzaehler.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Volkszaehler\View;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+use Volkszaehler\Util;
+use Volkszaehler\Interpreter;
+
+/**
+ * Plain text view
+ *
+ * @author Andreas Götz <cpuidle@gmx.de>
+ * @package default
+ */
+class Text extends CSV {
+
+	/**
+	 * Constructor
+	 */
+	public function __construct(Request  $request) {
+		// avoid calling parent::__construct($request);
+		$this->request = $request;
+		$this->response = new Response();
+		$this->response->headers->set('Content-Type', 'text/plain');
+		ob_start();
+	}
+
+	/**
+	 * Add exception to output queue
+	 *
+	 * @param \Exception $exception
+	 * @param boolean $debug
+	 */
+	protected function addException(\Exception $exception) {
+		echo get_class($exception) . '# [' . $exception->getCode() . ']' . ':' . $exception->getMessage() . PHP_EOL;
+
+		if (Util\Debug::isActivated()) {
+			echo "file:\t" . $exception->getFile() . PHP_EOL;
+			echo "line:\t" . $exception->getLine() . PHP_EOL;
+		}
+	}
+
+	/**
+	 * Add debugging information include queries and messages to output queue
+	 *
+	 * @param Util\Debug $debug
+	 */
+	protected function addDebug(Util\Debug $debug) {
+		echo "level:\t" . $debug->getLevel() . PHP_EOL;
+		echo "database:\t" . Util\Configuration::read('db.driver') . PHP_EOL;
+		echo "time:\t" . $debug->getExecutionTime() . PHP_EOL;
+
+		if ($uptime = Util\Debug::getUptime()) echo "uptime:\t" . $uptime*1000;
+		if ($load = Util\Debug::getLoadAvg()) echo "load:\t" . implode(', ', $load) . PHP_EOL;
+		if ($commit = Util\Debug::getCurrentCommit()) echo "commit-hash:\t" . $commit . PHP_EOL;
+		if ($version = phpversion()) echo "php-version:\t" . $version . PHP_EOL;
+
+		foreach ($debug->getMessages() as $message) {
+			echo "message:\t" . $message['message'] . PHP_EOL;	// TODO add more information
+		}
+
+		foreach ($debug->getQueries() as $query) {
+			echo "query:\t" . $query['sql'] . PHP_EOL;
+			if (isset($query['parameters'])) {
+				echo "\tparameters:\t" . implode(', ', $query['parameters']) . PHP_EOL;
+			}
+		}
+	}
+
+	/**
+	 * Add data to output queue
+	 *
+	 * @param Interpreter\InterpreterInterface $interpreter
+	 * @param boolean $children
+	 * @todo  Aggregate first is assumed- this deviates from json view behaviour
+	 */
+	protected function addData(Interpreter\Interpreter $interpreter) {
+		// echo "uuid:' . $interpreter->getEntity()->getUuid() . PHP_EOL;
+		// echo "title:' . $interpreter->getEntity()->getProperty('title') . PHP_EOL;
+
+		if ($interpreter instanceof Interpreter\AggregatorInterpreter) {
+			// min/ max etc are not populated if $children->processData hasn't been called
+			return;
+		}
+
+		$data = array();
+		// iterate through PDO resultset
+		foreach ($interpreter as $tuple) {
+			$data[] = $tuple;
+		}
+
+		// get unit
+		$unit = $interpreter->getEntity()->getDefinition();
+		$unit = isset($unit->unit) ? $unit->unit : '';
+
+		if (sizeof($data) == 0 ||
+			$this->request->query->has('tuples') && $this->request->query->get('tuples') == 1
+		) {
+			$val = $interpreter->getConsumption();
+			$unit .= 'h';
+		}
+		else {
+			$val = $data[sizeof($data)-1];
+		}
+		$val = is_array($val) ? $val[1] : $val;
+
+		echo $val . ' ' . $unit;
+	}
+}
+
+?>