X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fdbclean.php;h=1e1dd908290ec045cd8166b7b0565210116e243f;hb=478e363967165980eb826e8d109dd15770e2c784;hp=8ec9c1dc4a265c050d6fb50ed9dae0448085cf6b;hpb=493d7bc6987f2c4843b3376fa526c88218d1fe4d;p=friendica.git

diff --git a/include/dbclean.php b/include/dbclean.php
index 8ec9c1dc4a..1e1dd90829 100644
--- a/include/dbclean.php
+++ b/include/dbclean.php
@@ -1,38 +1,303 @@
 <?php
-require_once("boot.php");
+/**
+ * @file include/dbclean.php
+ * @brief The script is called from time to time to clean the database entries and remove orphaned data.
+ */
 
-global $a, $db;
+use Friendica\Core\Config;
+use Friendica\Core\Worker;
 
-if(is_null($a))
-	$a = new App;
+function dbclean_run(&$argv, &$argc) {
+	if (!Config::get('system', 'dbclean', false)) {
+		return;
+	}
 
-if(is_null($db)) {
-	@include(".htconfig.php");
-	require_once("include/dba.php");
-	$db = new dba($db_host, $db_user, $db_pass, $db_data);
-	unset($db_host, $db_user, $db_pass, $db_data);
+	if ($argc == 2) {
+		$stage = intval($argv[1]);
+	} else {
+		$stage = 0;
+	}
+
+	// Get the expire days for step 8 and 9
+	$days = Config::get('system', 'dbclean-expire-days', 0);
+
+	if ($stage == 0) {
+		for ($i = 1; $i <= 9; $i++) {
+			// Execute the background script for a step when it isn't finished.
+			// Execute step 8 and 9 only when $days is defined.
+			if (!Config::get('system', 'finished-dbclean-'.$i, false) && (($i < 8) || ($days > 0))) {
+				Worker::add(PRIORITY_LOW, 'dbclean', $i);
+			}
+		}
+	} else {
+		remove_orphans($stage);
+	}
 }
 
-load_config('config');
-load_config('system');
+/**
+ * @brief Remove orphaned database entries
+ * @param integer $stage What should be deleted?
+ *
+ * Values for $stage:
+ * ------------------
+ * 1:	Old global item entries from item table without user copy.
+ * 2:	Items without parents.
+ * 3:	Orphaned data from thread table.
+ * 4:	Orphaned data from notify table.
+ * 5:	Orphaned data from notify-threads table.
+ * 6:	Orphaned data from sign table.
+ * 7:	Orphaned data from term table.
+ * 8:	Expired threads.
+ * 9:	Old global item entries from expired threads
+ */
+function remove_orphans($stage = 0) {
+	global $db;
+
+	$count = 0;
+
+	// We split the deletion in many small tasks
+	$limit = 1000;
+
+	// Get the expire days for step 8 and 9
+	$days = Config::get('system', 'dbclean-expire-days', 0);
+
+	if ($stage == 1) {
+		$last_id = Config::get('system', 'dbclean-last-id-1', 0);
+
+		logger("Deleting old global item entries from item table without user copy. Last ID: ".$last_id);
+		$r = dba::p("SELECT `id` FROM `item` WHERE `uid` = 0 AND
+					NOT EXISTS (SELECT `guid` FROM `item` AS `i` WHERE `item`.`guid` = `i`.`guid` AND `i`.`uid` != 0) AND
+					`received` < UTC_TIMESTAMP() - INTERVAL 90 DAY AND `id` >= ?
+				ORDER BY `id` LIMIT ".intval($limit), $last_id);
+		$count = dba::num_rows($r);
+		if ($count > 0) {
+			logger("found global item orphans: ".$count);
+			while ($orphan = dba::fetch($r)) {
+				$last_id = $orphan["id"];
+				dba::delete('item', array('id' => $orphan["id"]));
+			}
+		} else {
+			logger("No global item orphans found");
+		}
+		dba::close($r);
+		logger("Done deleting ".$count." old global item entries from item table without user copy. Last ID: ".$last_id);
+
+		Config::set('system', 'dbclean-last-id-1', $last_id);
+	} elseif ($stage == 2) {
+		$last_id = Config::get('system', 'dbclean-last-id-2', 0);
+
+		logger("Deleting items without parents. Last ID: ".$last_id);
+		$r = dba::p("SELECT `id` FROM `item`
+				WHERE NOT EXISTS (SELECT `id` FROM `item` AS `i` WHERE `item`.`parent` = `i`.`id`)
+				AND `id` >= ? ORDER BY `id` LIMIT ".intval($limit), $last_id);
+		$count = dba::num_rows($r);
+		if ($count > 0) {
+			logger("found item orphans without parents: ".$count);
+			while ($orphan = dba::fetch($r)) {
+				$last_id = $orphan["id"];
+				dba::delete('item', array('id' => $orphan["id"]));
+			}
+		} else {
+			logger("No item orphans without parents found");
+		}
+		dba::close($r);
+		logger("Done deleting ".$count." items without parents. Last ID: ".$last_id);
+
+		Config::set('system', 'dbclean-last-id-2', $last_id);
+
+		if ($count < $limit) {
+			Config::set('system', 'finished-dbclean-2', true);
+		}
+	} elseif ($stage == 3) {
+		$last_id = Config::get('system', 'dbclean-last-id-3', 0);
+
+		logger("Deleting orphaned data from thread table. Last ID: ".$last_id);
+		$r = dba::p("SELECT `iid` FROM `thread`
+				WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `thread`.`iid`) AND `iid` >= ?
+				ORDER BY `iid` LIMIT ".intval($limit), $last_id);
+		$count = dba::num_rows($r);
+		if ($count > 0) {
+			logger("found thread orphans: ".$count);
+			while ($orphan = dba::fetch($r)) {
+				$last_id = $orphan["iid"];
+				dba::delete('thread', array('iid' => $orphan["iid"]));
+			}
+		} else {
+			logger("No thread orphans found");
+		}
+		dba::close($r);
+		logger("Done deleting ".$count." orphaned data from thread table. Last ID: ".$last_id);
+
+		Config::set('system', 'dbclean-last-id-3', $last_id);
+
+		if ($count < $limit) {
+			Config::set('system', 'finished-dbclean-3', true);
+		}
+	} elseif ($stage == 4) {
+		$last_id = Config::get('system', 'dbclean-last-id-4', 0);
+
+		logger("Deleting orphaned data from notify table. Last ID: ".$last_id);
+		$r = dba::p("SELECT `iid`, `id` FROM `notify`
+				WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `notify`.`iid`) AND `id` >= ?
+				ORDER BY `id` LIMIT ".intval($limit), $last_id);
+		$count = dba::num_rows($r);
+		if ($count > 0) {
+			logger("found notify orphans: ".$count);
+			while ($orphan = dba::fetch($r)) {
+				$last_id = $orphan["id"];
+				dba::delete('notify', array('iid' => $orphan["iid"]));
+			}
+		} else {
+			logger("No notify orphans found");
+		}
+		dba::close($r);
+		logger("Done deleting ".$count." orphaned data from notify table. Last ID: ".$last_id);
+
+		Config::set('system', 'dbclean-last-id-4', $last_id);
+
+		if ($count < $limit) {
+			Config::set('system', 'finished-dbclean-4', true);
+		}
+	} elseif ($stage == 5) {
+		$last_id = Config::get('system', 'dbclean-last-id-5', 0);
+
+		logger("Deleting orphaned data from notify-threads table. Last ID: ".$last_id);
+		$r = dba::p("SELECT `id` FROM `notify-threads`
+				WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `notify-threads`.`master-parent-item`) AND `id` >= ?
+				ORDER BY `id` LIMIT ".intval($limit), $last_id);
+		$count = dba::num_rows($r);
+		if ($count > 0) {
+			logger("found notify-threads orphans: ".$count);
+			while ($orphan = dba::fetch($r)) {
+				$last_id = $orphan["id"];
+				dba::delete('notify-threads', array('id' => $orphan["id"]));
+			}
+		} else {
+			logger("No notify-threads orphans found");
+		}
+		dba::close($r);
+		logger("Done deleting ".$count." orphaned data from notify-threads table. Last ID: ".$last_id);
+
+		Config::set('system', 'dbclean-last-id-5', $last_id);
+
+		if ($count < $limit) {
+			Config::set('system', 'finished-dbclean-5', true);
+		}
+	} elseif ($stage == 6) {
+		$last_id = Config::get('system', 'dbclean-last-id-6', 0);
+
+		logger("Deleting orphaned data from sign table. Last ID: ".$last_id);
+		$r = dba::p("SELECT `iid`, `id` FROM `sign`
+				WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `sign`.`iid`) AND `id` >= ?
+				ORDER BY `id` LIMIT ".intval($limit), $last_id);
+		$count = dba::num_rows($r);
+		if ($count > 0) {
+			logger("found sign orphans: ".$count);
+			while ($orphan = dba::fetch($r)) {
+				$last_id = $orphan["id"];
+				dba::delete('sign', array('iid' => $orphan["iid"]));
+			}
+		} else {
+			logger("No sign orphans found");
+		}
+		dba::close($r);
+		logger("Done deleting ".$count." orphaned data from sign table. Last ID: ".$last_id);
+
+		Config::set('system', 'dbclean-last-id-6', $last_id);
+
+		if ($count < $limit) {
+			Config::set('system', 'finished-dbclean-6', true);
+		}
+	} elseif ($stage == 7) {
+		$last_id = Config::get('system', 'dbclean-last-id-7', 0);
+
+		logger("Deleting orphaned data from term table. Last ID: ".$last_id);
+		$r = dba::p("SELECT `oid`, `tid` FROM `term`
+				WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `term`.`oid`) AND `tid` >= ?
+				ORDER BY `tid` LIMIT ".intval($limit), $last_id);
+		$count = dba::num_rows($r);
+		if ($count > 0) {
+			logger("found term orphans: ".$count);
+			while ($orphan = dba::fetch($r)) {
+				$last_id = $orphan["tid"];
+				dba::delete('term', array('oid' => $orphan["oid"]));
+			}
+		} else {
+			logger("No term orphans found");
+		}
+		dba::close($r);
+		logger("Done deleting ".$count." orphaned data from term table. Last ID: ".$last_id);
+
+		Config::set('system', 'dbclean-last-id-7', $last_id);
+
+		if ($count < $limit) {
+			Config::set('system', 'finished-dbclean-7', true);
+		}
+	} elseif ($stage == 8) {
+		if ($days <= 0) {
+			return;
+		}
 
-update_shadow_copy();
-killme();
+		$last_id = Config::get('system', 'dbclean-last-id-8', 0);
 
-function remove_orphans() {
+		logger("Deleting expired threads. Last ID: ".$last_id);
+		$r = dba::p("SELECT `thread`.`iid` FROM `thread`
+                                INNER JOIN `contact` ON `thread`.`contact-id` = `contact`.`id` AND NOT `notify_new_posts`
+                                WHERE `thread`.`received` < UTC_TIMESTAMP() - INTERVAL ? DAY
+                                        AND NOT `thread`.`mention` AND NOT `thread`.`starred`
+                                        AND NOT `thread`.`wall` AND NOT `thread`.`origin`
+                                        AND `thread`.`uid` != 0 AND `thread`.`iid` >= ?
+                                        AND NOT `thread`.`iid` IN (SELECT `parent` FROM `item`
+                                                        WHERE (`item`.`starred` OR (`item`.`resource-id` != '')
+                                                                OR (`item`.`file` != '') OR (`item`.`event-id` != '')
+                                                                OR (`item`.`attach` != '') OR `item`.`wall` OR `item`.`origin`)
+                                                                AND `item`.`parent` = `thread`.`iid`)
+                                ORDER BY `thread`.`iid` LIMIT 1000", $days, $last_id);
+		$count = dba::num_rows($r);
+		if ($count > 0) {
+			logger("found expired threads: ".$count);
+			while ($thread = dba::fetch($r)) {
+				$last_id = $thread["iid"];
+				dba::delete('thread', array('iid' => $thread["iid"]));
+			}
+		} else {
+			logger("No expired threads found");
+		}
+		dba::close($r);
+		logger("Done deleting ".$count." expired threads. Last ID: ".$last_id);
 
-	logger("Deleting orphaned data from thread table");
-	q("DELETE FROM `thread` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `thread`.`iid`)");
+		Config::set('system', 'dbclean-last-id-8', $last_id);
+	} elseif ($stage == 9) {
+		if ($days <= 0) {
+			return;
+		}
 
-	logger("Deleting orphaned data from notify table");
-	q("DELETE FROM `notify` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `notify`.`iid`)");
+		$last_id = Config::get('system', 'dbclean-last-id-9', 0);
+		$till_id = Config::get('system', 'dbclean-last-id-8', 0);
 
-	logger("Deleting orphaned data from sign table");
-	q("DELETE FROM `sign` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `sign`.`iid`)");
+		logger("Deleting old global item entries from expired threads from ID ".$last_id." to ID ".$till_id);
+		$r = dba::p("SELECT `id` FROM `item` WHERE `uid` = 0 AND
+					NOT EXISTS (SELECT `guid` FROM `item` AS `i` WHERE `item`.`guid` = `i`.`guid` AND `i`.`uid` != 0) AND
+					`received` < UTC_TIMESTAMP() - INTERVAL 90 DAY AND `id` >= ? AND `id` <= ?
+				ORDER BY `id` LIMIT ".intval($limit), $last_id, $till_id);
+		$count = dba::num_rows($r);
+		if ($count > 0) {
+			logger("found global item entries from expired threads: ".$count);
+			while ($orphan = dba::fetch($r)) {
+				$last_id = $orphan["id"];
+				dba::delete('item', array('id' => $orphan["id"]));
+			}
+		} else {
+			logger("No global item entries from expired threads");
+		}
+		dba::close($r);
+		logger("Done deleting ".$count." old global item entries from expired threads. Last ID: ".$last_id);
 
-	logger("Deleting orphaned data from term table");
-	q("DELETE FROM `term` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `term`.`oid`)");
+		Config::set('system', 'dbclean-last-id-9', $last_id);
+	}
 
-	logger("Done deleting orphaned data from tables");
+	// Call it again if not all entries were purged
+	if (($stage != 0) && ($count > 0)) {
+		Worker::add(PRIORITY_MEDIUM, 'dbclean');
+	}
 }
-?>