added new cron feature to organizr - plugins are able to use it as well

cron.php

@@ -0,0 +1,79 @@
+<?php
+require_once 'api/functions.php';
+$Organizr = new Organizr();
+$Organizr->setLoggerChannel('Cron');
+if ($Organizr->isLocalOrServer()) {
+	// Create a new scheduler
+	$scheduler = new GO\Scheduler();
+	// Clear any pre-existing jobs if any
+	$scheduler->clearJobs();
+	$Organizr->logger->debug('Cron process starting');
+	// Add plugin cron
+	$Organizr->logger->debug('Checking if any plugins have cron jobs');
+	foreach ($GLOBALS['cron'] as $cronJob) {
+		if (isset($cronJob['enabled']) && isset($cronJob['class']) && isset($cronJob['function']) && isset($cronJob['frequency'])) {
+			if ($Organizr->config[$cronJob['enabled']]) {
+				if (class_exists($cronJob['class'])) {
+					$Organizr->logger->debug('Starting cron job for function: ' . $cronJob['function'], ['cronJob' => $cronJob]);
+					$Organizr->logger->debug('Validating cron job frequency', ['frequency' => $cronJob['frequency']]);
+					try {
+						$frequency = new Cron\CronExpression($Organizr->config[$cronJob['frequency']]);
+						$Organizr->logger->debug('Cron frequency has passed validation', ['frequency' => $Organizr->config[$cronJob['frequency']]]);
+					} catch (InvalidArgumentException $e) {
+						$Organizr->logger->warn('Cron frequency has failed validation', ['frequency' => $Organizr->config[$cronJob['frequency']]]);
+						$Organizr->logger->error($e);
+						break;
+					}
+					$plugin = new $cronJob['class']();
+					$function = $cronJob['function'];
+					if (method_exists($plugin, $function)) {
+						$scheduler->call(
+							function ($plugin, $function) use ($Organizr) {
+								$Organizr->logger->debug('Starting cron job for function: ' . $function);
+								return $plugin->$function();
+							}, [$plugin, $function])
+							->then(function ($output) use ($Organizr) {
+								$Organizr->logger->debug('Completed cron job', [
+									'output' => $output,
+								]);
+							})
+							->at($Organizr->config[$cronJob['frequency']]);
+					}
+				}
+			} else {
+				$Organizr->logger->debug('Cron job is not enabled', ['cronJob' => $cronJob]);
+			}
+		} else {
+			$Organizr->logger->warning('Cron job was setup incorrectly', ['cronJob' => $cronJob]);
+		}
+	}
+	$Organizr->logger->debug('Finished processing plugin cron jobs');
+	/*
+	 * Include plugin advanced cron
+	 */
+	$Organizr->logger->debug('Checking if any Plugins have advanced cron jobs');
+	try {
+		$directoryIterator = new RecursiveDirectoryIterator($Organizr->root . DIRECTORY_SEPARATOR . 'api' . DIRECTORY_SEPARATOR . 'plugins', FilesystemIterator::SKIP_DOTS);
+		$iteratorIterator = new RecursiveIteratorIterator($directoryIterator);
+		foreach ($iteratorIterator as $info) {
+			if ($info->getFilename() == 'advancedCron.php') {
+				require_once $info->getPathname();
+			}
+		}
+	} catch (UnexpectedValueException $e) {
+		$Organizr->logger->error($e);
+	}
+	$Organizr->logger->debug('Finished processing advanced plugin cron jobs');
+	// Run cron jobs
+	$scheduler->run();
+	// Debug stuff
+	//$Organizr->prettyPrint($scheduler->getVerboseOutput());
+	//$Organizr->prettyPrint($scheduler->getFailedJobs());
+	$Organizr->logger->debug('Cron process completion', ['verbose' => $scheduler->getVerboseOutput()]);
+	if (!empty($scheduler->getFailedJobs())) {
+		$Organizr->logger->warning('Cron jobs have failed', ['jobs' => $scheduler->getFailedJobs()]);
+	}
+} else {
+	$Organizr->logger->warning('Unauthorized user tried to access cron file');
+	die($Organizr->showHTML('Unauthorized', 'Go-on.... Git!!!'));
+}