We plan to integrate a voucher modules to support:
1) customer who can buy a voucher as gift.
2) assign the voucher to specify customer.
3) voucher can set expire date and remind customer if voucher is expire soon.
4) allow print the voucher or email voucher to customer.
5) voucher can apply in Odoo shopping cart and sales entry from odoo backend.
6) admin can view how many voucher been issues, used or expired.