Add a new setting to expire persistent rooms

Using a dedicated timeout, so you can set it very high, but still remove very old rooms
Fix #28

conf/vroom.conf.sample

@@ -20,8 +20,12 @@ template => 'default',
 secret => 'ChangeMe!',
 
 # App
-# Rooms without any activity for that long will be destroyed
+# Rooms without any activity for that long (in seconds) will be destroyed
 inactivityTimeout => 3600,
+# Inactivity timeout (in seconds) for persistent rooms
+# 0 means they are not deleted. You can use a high number
+# so that persistent rooms are kept long enough, but deleted when not used
+persistentInactivityTimeout => 0,
 logLevel => 'info',
 
 # ID of the Chrome extension for screen sharing

public/vroom.pl

@@ -72,6 +72,7 @@ our $config = plugin Config => {
     feedbackRecipient             => 'admin@example.com',
     template                      => 'default',
     inactivityTimeout             => 3600,
+    persistentInactivityTimeout   => 0,
     logLevel                      => 'info',
     chromeExtensionId             => 'ecicdpoejfllflombfanbhfpgcimjddn',
     sendmail                      => '/sbin/sendmail'
@@ -193,6 +194,13 @@ helper delete_rooms => sub {
     $self->db->do("DELETE FROM participants WHERE id IN (SELECT id FROM rooms WHERE activity_timestamp < $timeout AND persistent='0');");
     $self->db->do("DELETE FROM rooms WHERE activity_timestamp < $timeout AND persistent='0';");
   } || return undef;
+  if ($config->{persistentInactivityTimeout} && $config->{persistentInactivityTimeout} > 0){
+    eval {
+      my $timeout = time()-$config->{persistentInactivityTimeout};
+      $self->db->do("DELETE FROM participants WHERE id IN (SELECT id FROM rooms WHERE activity_timestamp < $timeout AND persistent='1');");
+      $self->db->do("DELETE FROM rooms WHERE activity_timestamp < $timeout AND persistent='1';");
+    } || return undef;
+  }
   return 1;
 };