Added switch to allow for non-recurring subscriptions.

docs/changelog/7.x.x.txt

@@ -36,6 +36,8 @@
  - fixed #8914: epoch for calendar/List View for Calendar
  - fixed: Get CS Mail workflow doesn't commit version tags created
  - rfe: Thingy can now copy thingy entries
+ - Added a switch to subscriptions so that they can be also non-recurring to
+   facilitate eg. limited time meberships (Martin Kamerbeek / Oqapi)
 
 7.6.3
  - improved performance of file uploads

docs/upgrades/upgrade_7.6.3-7.6.4.pl

@@ -40,6 +40,7 @@ upgradeAccount( $session );
 removeProcessRecurringPaymentsFromConfig( $session );
 addExtendedProfilePrivileges( $session );
 addStorageUrlMacro( $session );
+addRecurringSubscriptionSwitch( $session );
 finish($session); # this line required
 
 #----------------------------------------------------------------------------
@@ -384,6 +385,17 @@ sub fixFriendsGroups {
     }
 }
 
+#----------------------------------------------------------------------------
+sub addRecurringSubscriptionSwitch {
+    my $session = shift;
+
+    print "\tAdding a recurring/nonrecurring switch to subscriptions... " unless $quiet;
+
+    $session->db->write('alter table Subscription add column recurringSubscription tinyint(1) not null default 1');
+
+    print "Done!\n";
+}
+
 #----------------------------------------------------------------------------
 sub upgradeAccount {
     my $session = shift;