Version 4.2.0

applications/core/tasks/onlineusers.php

@@ -0,0 +1,80 @@
+<?php
+/**
+ * @brief		onlineusers Task
+ * @author		<a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
+ * @copyright	(c) Invision Power Services, Inc.
+ * @license		https://www.invisioncommunity.com/legal/standards/
+ * @package		Invision Community
+ * @since		24 Mar 2017
+ */
+
+namespace IPS\core\tasks;
+
+/* To prevent PHP errors (extending class does not exist) revealing path */
+if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
+{
+	header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
+	exit;
+}
+
+/**
+ * onlineusers Task
+ */
+class _onlineusers extends \IPS\Task
+{
+	/**
+	 * Execute
+	 *
+	 * If ran successfully, should return anything worth logging. Only log something
+	 * worth mentioning (don't log "task ran successfully"). Return NULL (actual NULL, not '' or 0) to not log (which will be most cases).
+	 * If an error occurs which means the task could not finish running, throw an \IPS\Task\Exception - do not log an error as a normal log.
+	 * Tasks should execute within the time of a normal HTTP request.
+	 *
+	 * @return	mixed	Message to log or NULL
+	 * @throws	\IPS\Task\Exception
+	 */
+	public function execute()
+	{
+		/* We want the rows to have the same timestamp exactly */
+		$time = time();
+
+		$onlineGuests = 0;
+		$onlineMembers = 0;
+
+		try
+		{
+			$onlineGuests = \IPS\Db::i()->select( 'COUNT(*)', 'core_sessions', array( 'member_id=? OR member_id IS NULL', 0 ) )->first();
+			$onlineMembers = \IPS\Db::i()->select( 'COUNT(*)', 'core_sessions', array( 'member_id>?', 0 ), NULL, NULL, 'member_id' )->first();
+		}
+		catch( \UnderflowException $e) {}
+
+		\IPS\Db::i()->insert( 'core_statistics', array(
+			'type'		=> 'online_users',
+			'time'		=> $time,
+			'value_4'	=> 'guests',
+			'value_1'	=> $onlineGuests
+		)	);
+
+		\IPS\Db::i()->insert( 'core_statistics', array(
+			'type'		=> 'online_users',
+			'time'		=> $time,
+			'value_4'	=> 'members',
+			'value_1'	=> $onlineMembers
+		)	);
+
+		return NULL;
+	}
+	
+	/**
+	 * Cleanup
+	 *
+	 * If your task takes longer than 15 minutes to run, this method
+	 * will be called before execute(). Use it to clean up anything which
+	 * may not have been done
+	 *
+	 * @return	void
+	 */
+	public function cleanup()
+	{
+	}
+}