Closes #672: Poor mans cron plugin enabled. This triggers events according to page load.

git-svn-id: https://code.elgg.org/elgg/trunk@2573 36083f99-b078-4883-b0ff-0f9b5a30f544

2 files changed, 90 insertions, 0 deletions

diff --git a/mod/crontrigger/manifest.xml b/mod/crontrigger/manifest.xml
new file mode 100644
index 000000000..c5bc2cdad
--- /dev/null
+++ b/mod/crontrigger/manifest.xml
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+<?xml version="1.0" encoding="UTF-8"?>
+<plugin_manifest>
+	<field key="author" value="Curverider Ltd" />
+	<field key="version" value="1.0" />
+	<field key="description" value="Provides a poor man's cron trigger to trigger cron scripts based on site visits." />
+	<field key="website" value="http://www.elgg.org/" />
+	<field key="copyright" value="(C) Curverider 2008" />
+</plugin_manifest>
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diff --git a/mod/crontrigger/start.php b/mod/crontrigger/start.php
new file mode 100644
index 000000000..f0f72f291
--- /dev/null
+++ b/mod/crontrigger/start.php
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+<?php
+	/**
+	 * Elgg Cron trigger.
+	 * When enabled this plugin provides "poor man's cron" functionality to trigger elgg cron scripts without the need
+	 * to install the cron script.
+	 * 
+	 * Note, this is a substitute and not a replacement for the cron script. It is recommended that you use the cron script
+	 * where possible.
+	 * 
+	 * @package ElggCronTrigger
+	 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
+	 * @author Curverider Ltd
+	 * @copyright Curverider Ltd 2008
+	 * @link http://elgg.com/
+	 */
+
+	/**
+	 * Initialise the plugin.
+	 *
+	 */
+	function crontrigger_init()
+	{
+		register_elgg_event_handler('shutdown', 'system', 'crontrigger_shutdownhook');
+	}
+	
+	function crontrigger_trigger($period) { trigger_plugin_hook('cron', $period); }
+	
+	function crontrigger_minute() { crontrigger_trigger('minute'); }
+		
+	function crontrigger_fiveminute() { crontrigger_trigger('fiveminute'); }
+	
+	function crontrigger_fifteenmin() { crontrigger_trigger('fifteenmin'); }
+	
+	function crontrigger_halfhour() { crontrigger_trigger('halfhour'); }
+	
+	function crontrigger_hourly() { crontrigger_trigger('hourly'); }
+	
+	function crontrigger_daily() { crontrigger_trigger('daily'); }
+	
+	function crontrigger_weekly() { crontrigger_trigger('weekly'); }
+	
+	function crontrigger_monthly() { crontrigger_trigger('monthly'); }
+	
+	function crontrigger_yearly() { crontrigger_trigger('yearly'); }
+	
+	/**
+	 * Call cron hooks after a page has been displayed (so user won't notice any slowdown).
+	 * 
+	 * It uses a mod of now and needs someone to view the page within a certain time period
+	 *
+	 */
+	function crontrigger_shutdownhook()
+	{
+		global $CONFIG;
+		
+		$minute = 60;
+		$fiveminute = $minute*5;
+		$fifteenmin = $minute*15;
+		$halfhour = $minute*30;
+		$hour = 3600;
+		$day = $hour*24;
+		$week = $day * 7;
+		$month = $week * 4;
+		$year = $month * 12;
+		
+		$now = time();
+		
+		run_function_once('crontrigger_minute', $now - $minute);
+		run_function_once('crontrigger_fiveminute', $now - $fiveminute);
+		run_function_once('crontrigger_fifteenmin', $now - $fifteenmin);
+		run_function_once('crontrigger_halfhour', $now - $halfhour);
+		run_function_once('crontrigger_hourly', $now - $hour);
+		run_function_once('crontrigger_daily', $now - $day);
+		run_function_once('crontrigger_weekly', $now - $week);
+		run_function_once('crontrigger_monthly', $now - $month);
+		run_function_once('crontrigger_yearly', $now - $year);
+	}
+	
+	
+	// Initialise plugin
+	register_elgg_event_handler('init','system','crontrigger_init');
+?>
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