boombotix/spree_single_page_checkout — pull request #2 by edwinhermawan (2014-10-10 17:54:46+00:00)
Title: [CHORE] Checkout Notifications

Status
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**READY**

Description
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Provide error messages for invalid forms and notifications for coupon entry. Prevent payment button from submitting until delivery options are chosen.

Purpose
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- [x] Disable coupon code entry until address has been entered
- [x] Provide a notice if coupon code has been successfully applied
- [x] Provide error notices if coupon code cannot be applied
- [x] Prevent pay button from submitting until order is in 'payment' state
- [x] Add shake effect and error message to button instead of disabling it if forms are invalid

Deploy Notes
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None.