Added button to clear the logs

Only admins can clear the logs. The whole log and log_users table will
be cleared.

src/lang/en_US.lang.php

@@ -113,6 +113,9 @@ $sm_lang = array(
 		'sms' => 'SMS',
 		'pushover' => 'Pushover',
 		'no_logs' => 'No logs',
+		'clear' => 'Clear log',
+		'delete_title' => 'Delete log',
+		'delete_message' => 'Are you sure you want to delete <b>all</b> logs?',
 	),
 	'servers' => array(
 		'server' => 'Server',

src/psm/Module/Server/Controller/LogController.php

@@ -36,7 +36,9 @@ class LogController extends AbstractServerController {
 	function __construct(Database $db, \Twig_Environment $twig) {
 		parent::__construct($db, $twig);
 
-		$this->setActions('index', 'index');
+		$this->setActions(array(
+			'index', 'delete',
+		), 'index');
 	}
 
 	/**
@@ -56,8 +58,19 @@ class LogController extends AbstractServerController {
 			'label_date' => psm_get_lang('system', 'date'),
 			'label_users' => ucfirst(psm_get_lang('menu', 'user')),
 			'label_no_logs' => psm_get_lang('log', 'no_logs'),
+			'label_clear_log' => psm_get_lang('log', 'clear'),
 			'tabs' => array(),
 		);
+
+		if($this->getUser()->getUserLevel() == PSM_USER_ADMIN) {
+			$modal = new \psm\Util\Module\Modal($this->twig, 'delete', \psm\Util\Module\Modal::MODAL_TYPE_DANGER);
+			$this->addModal($modal);
+			$modal->setTitle(psm_get_lang('log', 'delete_title'));
+			$modal->setMessage(psm_get_lang('log', 'delete_message'));
+			$modal->setOKButtonLabel(psm_get_lang('system', 'delete'));
+			$tpl_data['has_admin_actions'] = true;
+		}
+
 		$log_types = array('status', 'email', 'sms', 'pushover');
 
 		foreach($log_types as $key) {
@@ -99,10 +112,26 @@ class LogController extends AbstractServerController {
 			}
 			$tab_data['entries'] = $records;
 			$tpl_data['tabs'][] = $tab_data;
+			$tpl_data['url_delete'] = psm_build_url(array(
+				'mod' => 'server_log',
+				'action' => 'delete',
+			));
 		}
 		return $this->twig->render('module/server/log.tpl.html', $tpl_data);
 	}
 
+	protected function executeDelete() {
+		/**
+		 * Empty table log and log_users.
+		 * Only when user is admin.
+		 */
+		if($this->getUser()->getUserLevel() == PSM_USER_ADMIN) {
+			$archiver = new \psm\Util\Server\Archiver\LogsArchiver($this->db);
+			$archiver->cleanupall();
+		}
+		return $this->runAction('index');
+	}
+
 	/**
 	 * Get all the log entries for a specific $type
 	 *

src/psm/Util/Server/Archiver/LogsArchiver.php

@@ -67,4 +67,13 @@ class LogsArchiver implements ArchiverInterface {
 		);
 		return true;
 	}
-}
+
+	/**
+	 * Empty tables log and log_users
+	 */
+	public function cleanupall() {
+		$this->db->delete(PSM_DB_PREFIX . "log");
+		$this->db->delete(PSM_DB_PREFIX . "log_users");
+		return true;
+	}
+}

src/templates/default/module/server/log.tpl.html

@@ -1,3 +1,9 @@
+{% if has_admin_actions %}
+<a class="btn btn-danger show-modal" href="{{ url_delete|raw }}" title="Delete" data-modal-id="delete" data-modal-param="{{ label }}">
+	<i class="icon-trash icon-white"></i>&nbsp;{{ label_clear_log }}
+</a>
+<br><br>
+{% endif %}
 <div class="tabbable">
 	<ul class="nav nav-tabs">
 		<li class="active"><a href="#log_status_content" data-toggle="tab">{{ label_status }}</a></li>
@@ -57,4 +63,4 @@
 		</div>
 		{% endfor %}
 	</div>
-</div>
+</div>