Add debug controller for some crazy debugging action

This controller will only be available if we set
ENVIRONMENT to 'development' or 'testing'.

application/controllers/debug.php

@@ -0,0 +1,50 @@
+<?php defined('BASEPATH') || exit('No direct script access allowed');
+/*
+ * Copyright (c) 2011 Karsten Heiken, Eike Foken
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * @author Karsten Heiken <karsten@disposed.de>
+ */
+class Debug extends MY_Controller {
+
+	/**
+	 * Constructor.
+	 */
+	public function __construct() {
+		parent::__construct();
+
+		if(ENVIRONMENT == "production") {
+			show_error("Debugging functions are not available in a production environment.", 400);
+		}
+	}
+
+	public function cancel_job($experiment, $jobId) {
+		$this->load->model('job');
+		$this->job->delete($jobId);
+
+		redirect("experiments/detail/".$experiment);
+
+	}
+}
+
+/* End of file debug.php */
+/* Location: ./application/controllers/debug.php */

application/views/experiments/detail.php

@@ -61,6 +61,16 @@
 	endif;
 ?>
 		</p>
+<?php
+	if(ENVIRONMENT != "production" && !empty($job)):
+?>
+		<h3>Debugging actions</h3>
+		<p>
+			<a href="<?=site_url('debug/cancel_job/'.$experiment['id'].'/'.$job['id']);?>" onclick="javascript:return confirm('This will NOT have any effect on the calculation that may or may not be running in a simulator!\nThis simply resets the job to >not started< in the database')" class="button danger">Reset this job</a>
+		</p>
+<?php
+	endif;
+?>
 	</div>
 <?php
 	if (isset($job['id'])):