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Fix up the simpler cleanup routines

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This commit is contained in:
J. King 2023-02-28 19:14:07 -05:00
parent 56d733429d
commit fa5786a4cc
1 changed files with 6 additions and 15 deletions
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21
lib/Database.php
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@ -1377,24 +1377,15 @@ class Database {
return true;
}
/** Deletes orphaned newsfeeds from the database
*
* Newsfeeds are orphaned if no users are subscribed to them. Deleting a newsfeed also deletes its articles
*/
public function feedCleanup(): bool {
$tr = $this->begin();
// first unmark any feeds which are no longer orphaned
$this->db->query("WITH active_feeds as (select id from arsse_feeds left join (select feed, count(id) as count from arsse_subscriptions group by feed) as sub_stats on sub_stats.feed = arsse_feeds.id where orphaned is not null and count is not null) UPDATE arsse_feeds set orphaned = null where id in (select id from active_feeds)");
// next mark any newly orphaned feeds with the current date and time
$this->db->query("WITH orphaned_feeds as (select id from arsse_feeds left join (select feed, count(id) as count from arsse_subscriptions group by feed) as sub_stats on sub_stats.feed = arsse_feeds.id where orphaned is null and count is null) UPDATE arsse_feeds set orphaned = CURRENT_TIMESTAMP where id in (select id from orphaned_feeds)");
// finally delete feeds that have been orphaned longer than the retention period, if a a purge threshold has been specified
/** Deletes soft-deleted newsfeed subscriptions from the database, subject to the retention period */
public function subscriptionCleanup(): bool {
// delete subscriptions that have been soft-deleted longer than the retention period, if a a purge threshold has been specified
if (Arsse::$conf->purgeFeeds) {
$limit = Date::sub(Arsse::$conf->purgeFeeds);
$out = (bool) $this->db->prepare("DELETE from arsse_feeds where orphaned <= ?", "datetime")->run($limit);
$out = (bool) $this->db->prepare("DELETE from arsse_subscriptions where deleted = 1 and modified <= ?", "datetime")->run($limit);
} else {
$out = false;
}
$tr->commit();
return $out;
}
@ -1468,9 +1459,9 @@ class Database {
public function iconCleanup(): int {
$tr = $this->begin();
// first unmark any icons which are no longer orphaned; an icon is considered orphaned if it is not used or only used by feeds which are themselves orphaned
$this->db->query("UPDATE arsse_icons set orphaned = null where id in (select distinct icon from arsse_feeds where icon is not null and orphaned is null)");
$this->db->query("UPDATE arsse_icons set orphaned = null where id in (select distinct icon from arsse_subscriptions where icon is not null and deleted = 0)");
// next mark any newly orphaned icons with the current date and time
$this->db->query("UPDATE arsse_icons set orphaned = CURRENT_TIMESTAMP where orphaned is null and id not in (select distinct icon from arsse_feeds where icon is not null and orphaned is null)");
$this->db->query("UPDATE arsse_icons set orphaned = CURRENT_TIMESTAMP where orphaned is null and id not in (select distinct icon from arsse_subscriptions where icon is not null and delete = 0)");
// finally delete icons that have been orphaned longer than the feed retention period, if a a purge threshold has been specified
$out = 0;
if (Arsse::$conf->purgeFeeds) {