Merge pull request #9113 from annando/split-cron

Split cron tasks in several worker tasks

src/Worker/CheckDeletedContacts.php

@@ -0,0 +1,41 @@
+<?php
+/**
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Worker;
+
+use Friendica\Core\Worker;
+use Friendica\Database\DBA;
+
+/**
+ * Checks for contacts that are about to be deleted and ensures that they are removed.
+ * This should be done automatically in the "remove" function. This here is a cleanup job.
+ */
+class CheckDeletedContacts
+{
+	public static function execute()
+	{
+		$contacts = DBA::select('contact', ['id'], ['deleted' => true]);
+		while ($contact = DBA::fetch($contacts)) {
+			Worker::add(PRIORITY_MEDIUM, 'RemoveContact', $contact['id']);
+		}
+		DBA::close($contacts);
+	}
+}

src/Worker/CleanWorkerqueue.php

@@ -0,0 +1,50 @@
+<?php
+/**
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Worker;
+
+use Friendica\Core\Worker;
+use Friendica\Database\DBA;
+use Friendica\DI;
+
+/**
+ * Delete all done workerqueue entries
+ */
+class CleanWorkerQueue
+{
+	public static function execute()
+	{
+		DBA::delete('workerqueue', ['`done` AND `executed` < UTC_TIMESTAMP() - INTERVAL 1 HOUR']);
+
+		// Optimizing this table only last seconds
+		if (DI::config()->get('system', 'optimize_tables')) {
+			// We are acquiring the two locks from the worker to avoid locking problems
+			if (DI::lock()->acquire(Worker::LOCK_PROCESS, 10)) {
+				if (DI::lock()->acquire(Worker::LOCK_WORKER, 10)) {
+					DBA::e("OPTIMIZE TABLE `workerqueue`");
+					DBA::e("OPTIMIZE TABLE `process`");			
+					DI::lock()->release(Worker::LOCK_WORKER);
+				}
+				DI::lock()->release(Worker::LOCK_PROCESS);
+			}
+		}
+	}
+}

src/Worker/ClearCache.php

@@ -37,9 +37,6 @@ class ClearCache
 
 		// clear old cache
 		DI::cache()->clear();
-		if (DI::config()->get('system', 'optimize_tables')) {
-			DBA::e("OPTIMIZE TABLE `cache`");
-		}
 
 		// clear old item cache files
 		clear_cache();
@@ -66,14 +63,8 @@ class ClearCache
 
 		// Delete the cached OEmbed entries that are older than three month
 		DBA::delete('oembed', ["`created` < NOW() - INTERVAL 3 MONTH"]);
-		if (DI::config()->get('system', 'optimize_tables')) {
-			DBA::e("OPTIMIZE TABLE `oembed`");
-		}
 
 		// Delete the cached "parse_url" entries that are older than three month
 		DBA::delete('parsed_url', ["`created` < NOW() - INTERVAL 3 MONTH"]);
-		if (DI::config()->get('system', 'optimize_tables')) {
-			DBA::e("OPTIMIZE TABLE `parsed_url`");
-		}
 	}
 }

src/Worker/Cron.php

@@ -21,15 +21,10 @@
 
 namespace Friendica\Worker;
 
-use Friendica\Core\Addon;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
-use Friendica\Core\Protocol;
 use Friendica\Core\Worker;
-use Friendica\Database\DBA;
 use Friendica\DI;
-use Friendica\Model\Contact;
-use Friendica\Util\DateTimeFormat;
 
 class Cron
 {
@@ -44,15 +39,28 @@ class Cron
 		if ($last) {
 			$next = $last + ($poll_interval * 60);
 			if ($next > time()) {
-				Logger::log('cron intervall not reached');
+				Logger::notice('cron intervall not reached');
 				return;
 			}
 		}
 
-		Logger::log('cron: start');
+		Logger::notice('start');
+
+		// Ensure to have a .htaccess file.
+		// this is a precaution for systems that update automatically
+		$basepath = $a->getBasePath();
+		if (!file_exists($basepath . '/.htaccess') && is_writable($basepath)) {
+			copy($basepath . '/.htaccess-dist', $basepath . '/.htaccess');
+		}
 
 		// Fork the cron jobs in separate parts to avoid problems when one of them is crashing
-		Hook::fork($a->queue['priority'], "cron");
+		Hook::fork($a->queue['priority'], 'cron');
+
+		// Poll contacts
+		Worker::add(PRIORITY_MEDIUM, 'PollContacts');
+
+		// Update contact information
+		Worker::add(PRIORITY_LOW, 'UpdatePublicContacts');		
 
 		// run the process to update server directories in the background
 		Worker::add(PRIORITY_LOW, 'UpdateServerDirectories');
@@ -66,12 +74,25 @@ class Cron
 		// Repair entries in the database
 		Worker::add(PRIORITY_LOW, 'RepairDatabase');
 
-		// once daily run birthday_updates and then expire in background
+		// Hourly cron calls
-		$d1 = DI::config()->get('system', 'last_expire_day');
+		if (DI::config()->get('system', 'last_cron_hourly', 0) + 3600 < time()) {
-		$d2 = intval(DateTimeFormat::utcNow('d'));
+
+			// Search for new contacts in the directory
+			if (DI::config()->get('system', 'synchronize_directory')) {
+				Worker::add(PRIORITY_LOW, 'PullDirectory');
+			}
+
+			// Delete all done workerqueue entries			
+			Worker::add(PRIORITY_LOW, 'CleanWorkerQueue');
+
+			// Clear cache entries
+			Worker::add(PRIORITY_LOW, 'ClearCache');
+
+			DI::config()->set('system', 'last_cron_hourly', time());
+		}
 
 		// Daily cron calls
-		if ($d2 != intval($d1)) {
+		if (DI::config()->get('system', 'last_cron_daily', 0) + 86400 < time()) {
 
 			Worker::add(PRIORITY_LOW, 'UpdateContactBirthdays');
 
@@ -93,219 +114,17 @@ class Cron
 			// check upstream version?
 			Worker::add(PRIORITY_LOW, 'CheckVersion');
 
-			self::checkdeletedContacts();
+			Worker::add(PRIORITY_LOW, 'CheckDeletedContacts');
 
 			if (DI::config()->get('system', 'optimize_tables')) {
-				self::optimizeTables();
+				Worker::add(PRIORITY_LOW, 'OptimizeTables');
 			}
 	
-			DI::config()->set('system', 'last_expire_day', $d2);
+			DI::config()->set('system', 'last_cron_daily', time());
 		}
 
-		// Hourly cron calls
+		Logger::notice('end');
-		if (DI::config()->get('system', 'last_cron_hourly', 0) + 3600 < time()) {
-
-			// Search for new contacts in the directory
-			if (DI::config()->get('system', 'synchronize_directory')) {
-				Worker::add(PRIORITY_LOW, 'PullDirectory');
-			}
-
-			// Delete all done workerqueue entries
-			DBA::delete('workerqueue', ['`done` AND `executed` < UTC_TIMESTAMP() - INTERVAL 1 HOUR']);
-
-			// Optimizing this table only last seconds
-			if (DI::config()->get('system', 'optimize_tables')) {
-				// We are acquiring the two locks from the worker to avoid locking problems
-				if (DI::lock()->acquire(Worker::LOCK_PROCESS, 10)) {
-					if (DI::lock()->acquire(Worker::LOCK_WORKER, 10)) {
-						DBA::e("OPTIMIZE TABLE `workerqueue`");
-						DBA::e("OPTIMIZE TABLE `process`");			
-						DI::lock()->release(Worker::LOCK_WORKER);
-					}
-					DI::lock()->release(Worker::LOCK_PROCESS);
-				}
-			}
-
-			// Clear cache entries
-			Worker::add(PRIORITY_LOW, 'ClearCache');
-
-			DI::config()->set('system', 'last_cron_hourly', time());
-		}
-
-		// Ensure to have a .htaccess file.
-		// this is a precaution for systems that update automatically
-		$basepath = $a->getBasePath();
-		if (!file_exists($basepath . '/.htaccess') && is_writable($basepath)) {
-			copy($basepath . '/.htaccess-dist', $basepath . '/.htaccess');
-		}
-
-		// Poll contacts
-		self::pollContacts();
-
-		// Update contact information
-		self::updatePublicContacts();
-
-		Logger::log('cron: end');
 
 		DI::config()->set('system', 'last_cron', time());
-
-		return;
-	}
-
-	/**
-	 * Optimize tables that are known to grow and shrink all the time
-	 *
-	 * @return void
-	 */
-	private static function optimizeTables()
-	{
-		Logger::info('Optimize start');
-
-		DBA::e("OPTIMIZE TABLE `auth_codes`");
-		DBA::e("OPTIMIZE TABLE `challenge`");
-		DBA::e("OPTIMIZE TABLE `locks`");
-		DBA::e("OPTIMIZE TABLE `profile_check`");
-		DBA::e("OPTIMIZE TABLE `session`");
-		DBA::e("OPTIMIZE TABLE `tokens`");
-
-		DI::lock()->release('optimize_tables');
-	}
-
-	/**
-	 * Checks for contacts that are about to be deleted and ensures that they are removed.
-	 * This should be done automatically in the "remove" function. This here is a cleanup job.
-	 */
-	private static function checkdeletedContacts()
-	{
-		$contacts = DBA::select('contact', ['id'], ['deleted' => true]);
-		while ($contact = DBA::fetch($contacts)) {
-			Worker::add(PRIORITY_MEDIUM, 'RemoveContact', $contact['id']);
-		}
-		DBA::close($contacts);
-	}
-
-	/**
-	 * Update public contacts
-	 *
-	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
-	 */
-	private static function updatePublicContacts() {
-		$count = 0;
-		$last_updated = DateTimeFormat::utc('now - 1 week');
-		$condition = ["`network` IN (?, ?, ?, ?) AND `uid` = ? AND NOT `self` AND `last-update` < ?",
-			Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, 0, $last_updated];
-
-		$oldest_date = '';
-		$oldest_id = '';
-		$contacts = DBA::select('contact', ['id', 'last-update'], $condition, ['limit' => 100, 'order' => ['last-update']]);
-		while ($contact = DBA::fetch($contacts)) {
-			if (empty($oldest_id)) {
-				$oldest_id = $contact['id'];
-				$oldest_date = $contact['last-update'];
-			}
-			Worker::add(PRIORITY_LOW, "UpdateContact", $contact['id']);
-			++$count;
-		}
-		Logger::info('Initiated update for public contacts', ['interval' => $count, 'id' => $oldest_id, 'oldest' => $oldest_date]);
-		DBA::close($contacts);
-	}
-
-	/**
-	 * Poll contacts for unreceived messages
-	 *
-	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
-	 */
-	private static function pollContacts() {
-		Addon::reload();
-
-		$sql = "SELECT `contact`.`id`, `contact`.`nick`, `contact`.`name`, `contact`.`network`, `contact`.`archive`,
-					`contact`.`last-update`, `contact`.`priority`, `contact`.`rating`, `contact`.`rel`, `contact`.`subhub`
-				FROM `user`
-				STRAIGHT_JOIN `contact`
-				ON `contact`.`uid` = `user`.`uid` AND `contact`.`poll` != ''
-					AND `contact`.`network` IN (?, ?, ?, ?, ?)
-					AND NOT `contact`.`self` AND NOT `contact`.`blocked`
-					AND `contact`.`rel` != ?
-				WHERE NOT `user`.`account_expired` AND NOT `user`.`account_removed`";
-
-		$parameters = [Protocol::DFRN, Protocol::ACTIVITYPUB, Protocol::OSTATUS, Protocol::FEED, Protocol::MAIL, Contact::FOLLOWER];
-
-		// Only poll from those with suitable relationships,
-		// and which have a polling address and ignore Diaspora since
-		// we are unable to match those posts with a Diaspora GUID and prevent duplicates.
-		$abandon_days = intval(DI::config()->get('system', 'account_abandon_days'));
-		if ($abandon_days < 1) {
-			$abandon_days = 0;
-		}
-
-		if (!empty($abandon_days)) {
-			$sql .= " AND `user`.`login_date` > UTC_TIMESTAMP() - INTERVAL ? DAY";
-			$parameters[] = $abandon_days;
-		}
-
-		$contacts = DBA::p($sql, $parameters);
-
-		if (!DBA::isResult($contacts)) {
-			return;
-		}
-
-		while ($contact = DBA::fetch($contacts)) {
-			$ratings = [0, 3, 7, 8, 9, 10];
-			if (DI::config()->get('system', 'adjust_poll_frequency') && ($contact['network'] == Protocol::FEED)) {
-				$rating = $contact['rating'];
-			} elseif (array_key_exists($contact['priority'], $ratings)) {
-				$rating = $ratings[$contact['priority']];
-			} else {
-				$rating = -1;
-			}
-
-			// Friendica and OStatus are checked once a day
-			if (in_array($contact['network'], [Protocol::DFRN, Protocol::OSTATUS])) {
-				$rating = 8;
-			}
-
-			// ActivityPub is checked once a week
-			if ($contact['network'] == Protocol::ACTIVITYPUB) {
-				$rating = 9;
-			}
-
-			// Check archived contacts once a month
-			if ($contact['archive']) {
-				$rating = 10;
-			}
-
-			if ($rating < 0) {
-				continue;
-			}
-			/*
-			 * Based on $contact['priority'], should we poll this site now? Or later?
-			 */
-
-			$min_poll_interval = DI::config()->get('system', 'min_poll_interval');
-
-			$poll_intervals = [$min_poll_interval . ' minute', '15 minute', '30 minute',
-				'1 hour', '2 hour', '3 hour', '6 hour', '12 hour' ,'1 day', '1 week', '1 month'];
-
-			$now = DateTimeFormat::utcNow();
-			$next_update = DateTimeFormat::utc($contact['last-update'] . ' + ' . $poll_intervals[$rating]);
-
-			if (empty($poll_intervals[$rating]) || ($now < $next_update))  {
-				Logger::debug('No update', ['cid' => $contact['id'], 'rating' => $rating, 'next' => $next_update, 'now' => $now]);
-				continue;
-			}
-
-			if ((($contact['network'] == Protocol::FEED) && ($contact['priority'] <= 3)) || ($contact['network'] == Protocol::MAIL)) {
-				$priority = PRIORITY_MEDIUM;
-			} elseif ($contact['archive']) {
-				$priority = PRIORITY_NEGLIGIBLE;
-			} else {
-				$priority = PRIORITY_LOW;
-			}
-
-			Logger::log("Polling " . $contact["network"] . " " . $contact["id"] . " " . $contact['priority'] . " " . $contact["nick"] . " " . $contact["name"]);
-
-			Worker::add(['priority' => $priority, 'dont_fork' => true, 'force_priority' => true], 'OnePoll', (int)$contact['id']);
-		}
-		DBA::close($contacts);
 	}
 }

src/Worker/OptimizeTables.php

@@ -0,0 +1,57 @@
+<?php
+/**
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Worker;
+
+use Friendica\Core\Logger;
+use Friendica\Database\DBA;
+use Friendica\DI;
+
+/**
+ * Optimize tables that are known to grow and shrink all the time
+ */
+class OptimizeTables
+{
+	public static function execute()
+	{
+
+		if (!DI::lock()->acquire('optimize_tables', 0)) {
+			Logger::warning('Lock could not be acquired');
+			return;
+		}
+
+		Logger::info('Optimize start');
+
+		DBA::e("OPTIMIZE TABLE `auth_codes`");
+		DBA::e("OPTIMIZE TABLE `cache`");
+		DBA::e("OPTIMIZE TABLE `challenge`");
+		DBA::e("OPTIMIZE TABLE `locks`");
+		DBA::e("OPTIMIZE TABLE `oembed`");
+		DBA::e("OPTIMIZE TABLE `parsed_url`");
+		DBA::e("OPTIMIZE TABLE `profile_check`");
+		DBA::e("OPTIMIZE TABLE `session`");
+		DBA::e("OPTIMIZE TABLE `tokens`");
+
+		Logger::info('Optimize end');
+
+		DI::lock()->release('optimize_tables');
+	}
+}

src/Worker/PollContacts.php

@@ -0,0 +1,132 @@
+<?php
+/**
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Worker;
+
+use Friendica\Core\Addon;
+use Friendica\Core\Logger;
+use Friendica\Core\Protocol;
+use Friendica\Core\Worker;
+use Friendica\Database\DBA;
+use Friendica\DI;
+use Friendica\Model\Contact;
+use Friendica\Util\DateTimeFormat;
+
+/**
+ * Poll contacts for unreceived messages
+ */
+class PollContacts
+{
+	public static function execute()
+	{
+		Addon::reload();
+
+		$sql = "SELECT `contact`.`id`, `contact`.`nick`, `contact`.`name`, `contact`.`network`, `contact`.`archive`,
+					`contact`.`last-update`, `contact`.`priority`, `contact`.`rating`, `contact`.`rel`, `contact`.`subhub`
+				FROM `user`
+				STRAIGHT_JOIN `contact`
+				ON `contact`.`uid` = `user`.`uid` AND `contact`.`poll` != ''
+					AND `contact`.`network` IN (?, ?, ?, ?, ?)
+					AND NOT `contact`.`self` AND NOT `contact`.`blocked`
+					AND `contact`.`rel` != ?
+				WHERE NOT `user`.`account_expired` AND NOT `user`.`account_removed`";
+
+		$parameters = [Protocol::DFRN, Protocol::ACTIVITYPUB, Protocol::OSTATUS, Protocol::FEED, Protocol::MAIL, Contact::FOLLOWER];
+
+		// Only poll from those with suitable relationships,
+		// and which have a polling address and ignore Diaspora since
+		// we are unable to match those posts with a Diaspora GUID and prevent duplicates.
+		$abandon_days = intval(DI::config()->get('system', 'account_abandon_days'));
+		if ($abandon_days < 1) {
+			$abandon_days = 0;
+		}
+
+		if (!empty($abandon_days)) {
+			$sql .= " AND `user`.`login_date` > UTC_TIMESTAMP() - INTERVAL ? DAY";
+			$parameters[] = $abandon_days;
+		}
+
+		$contacts = DBA::p($sql, $parameters);
+
+		if (!DBA::isResult($contacts)) {
+			return;
+		}
+
+		while ($contact = DBA::fetch($contacts)) {
+			$ratings = [0, 3, 7, 8, 9, 10];
+			if (DI::config()->get('system', 'adjust_poll_frequency') && ($contact['network'] == Protocol::FEED)) {
+				$rating = $contact['rating'];
+			} elseif (array_key_exists($contact['priority'], $ratings)) {
+				$rating = $ratings[$contact['priority']];
+			} else {
+				$rating = -1;
+			}
+
+			// Friendica and OStatus are checked once a day
+			if (in_array($contact['network'], [Protocol::DFRN, Protocol::OSTATUS])) {
+				$rating = 8;
+			}
+
+			// ActivityPub is checked once a week
+			if ($contact['network'] == Protocol::ACTIVITYPUB) {
+				$rating = 9;
+			}
+
+			// Check archived contacts once a month
+			if ($contact['archive']) {
+				$rating = 10;
+			}
+
+			if ($rating < 0) {
+				continue;
+			}
+			/*
+			 * Based on $contact['priority'], should we poll this site now? Or later?
+			 */
+
+			$min_poll_interval = DI::config()->get('system', 'min_poll_interval');
+
+			$poll_intervals = [$min_poll_interval . ' minute', '15 minute', '30 minute',
+				'1 hour', '2 hour', '3 hour', '6 hour', '12 hour' ,'1 day', '1 week', '1 month'];
+
+			$now = DateTimeFormat::utcNow();
+			$next_update = DateTimeFormat::utc($contact['last-update'] . ' + ' . $poll_intervals[$rating]);
+
+			if (empty($poll_intervals[$rating]) || ($now < $next_update))  {
+				Logger::debug('No update', ['cid' => $contact['id'], 'rating' => $rating, 'next' => $next_update, 'now' => $now]);
+				continue;
+			}
+
+			if ((($contact['network'] == Protocol::FEED) && ($contact['priority'] <= 3)) || ($contact['network'] == Protocol::MAIL)) {
+				$priority = PRIORITY_MEDIUM;
+			} elseif ($contact['archive']) {
+				$priority = PRIORITY_NEGLIGIBLE;
+			} else {
+				$priority = PRIORITY_LOW;
+			}
+
+			Logger::notice("Polling " . $contact["network"] . " " . $contact["id"] . " " . $contact['priority'] . " " . $contact["nick"] . " " . $contact["name"]);
+
+			Worker::add(['priority' => $priority, 'dont_fork' => true, 'force_priority' => true], 'OnePoll', (int)$contact['id']);
+		}
+		DBA::close($contacts);
+	}
+}

src/Worker/UpdatePublicContacts.php

@@ -0,0 +1,56 @@
+<?php
+/**
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Worker;
+
+use Friendica\Core\Logger;
+use Friendica\Core\Protocol;
+use Friendica\Core\Worker;
+use Friendica\Database\DBA;
+use Friendica\Util\DateTimeFormat;
+
+/**
+ * Update public contacts
+ */
+class UpdatePublicContacts
+{
+	public static function execute()
+	{
+		$count = 0;
+		$last_updated = DateTimeFormat::utc('now - 1 week');
+		$condition = ["`network` IN (?, ?, ?, ?) AND `uid` = ? AND NOT `self` AND `last-update` < ?",
+			Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, 0, $last_updated];
+
+		$oldest_date = '';
+		$oldest_id = '';
+		$contacts = DBA::select('contact', ['id', 'last-update'], $condition, ['limit' => 100, 'order' => ['last-update']]);
+		while ($contact = DBA::fetch($contacts)) {
+			if (empty($oldest_id)) {
+				$oldest_id = $contact['id'];
+				$oldest_date = $contact['last-update'];
+			}
+			Worker::add(PRIORITY_LOW, "UpdateContact", $contact['id']);
+			++$count;
+		}
+		Logger::info('Initiated update for public contacts', ['interval' => $count, 'id' => $oldest_id, 'oldest' => $oldest_date]);
+		DBA::close($contacts);
+	}
+}