Renew membership from expiry date or from current date based on a syspref

Renew membership from expiry date or from current date based on a syspref

This patch adds a system preference under Patron -> BorrowerRenewalPeriodBase
Using this preference the patch allows renewal of Patron account either from todays date or from existing expiry date in the patrons account.

To test : Apply patch; Set System Preference BorrowerRenewalPeriodBase ( under Patron ) to "current membership expiry date";
Renew a patron; You will observe that patrons account expiry date has been calculated from previuos expiry date instead of today's date
( as is the default in Koha prior to this patch ).