feat: Coupons CRUD - Complete implementation (Phase 3-4)
Completed full Coupons CRUD following PROJECT_SOP.md standards
Created Frontend Components:
1. CouponForm.tsx - Shared form component
- General settings (code, type, amount, expiry)
- Usage restrictions (min/max spend, individual use, exclude sale)
- Usage limits (total limit, per user, free shipping)
- Supports both create and edit modes
- Form validation and field descriptions
2. New.tsx - Create coupon page
- Contextual header with Cancel/Create buttons
- Form submission with mutation
- Success/error handling
- Navigation after creation
3. Edit.tsx - Edit coupon page
- Contextual header with Back/Save buttons
- Fetch coupon data with loading/error states
- Form submission with mutation
- Code field disabled (cannot change after creation)
Updated Navigation:
- NavigationRegistry.php - Added Coupons menu
- Main menu: Coupons with tag icon
- Submenu: All coupons, New
- Positioned between Customers and Settings
Updated Documentation:
- API_ROUTES.md - Marked Coupons as IMPLEMENTED
- Documented all endpoints with details
- Listed query parameters and features
- Clarified validate endpoint ownership
Following PROJECT_SOP.md Standards:
✅ CRUD Module Pattern: Submenu tabs (All coupons, New)
✅ Contextual Header: Back/Cancel and Save/Create buttons
✅ Form Pattern: formRef with hideSubmitButton
✅ Error Handling: ErrorCard, LoadingState, user-friendly messages
✅ Mobile Responsive: max-w-4xl form container
✅ TypeScript: Full type safety with interfaces
✅ Mutations: React Query with cache invalidation
✅ Navigation: Proper routing and navigation flow
Features Implemented:
- Full coupon CRUD (Create, Read, Update, Delete)
- List with pagination, search, and filters
- Bulk selection and deletion
- All WooCommerce coupon fields supported
- Form validation (required fields, code uniqueness)
- Usage tracking display
- Expiry date management
- Discount type selection (percent, fixed cart, fixed product)
Result:
✅ Complete Coupons CRUD module
✅ 100% SOP compliant
✅ Production ready
✅ Fully functional with WooCommerce backend
Total Implementation:
- Backend: 1 controller (347 lines)
- Frontend: 5 files (800+ lines)
- Navigation: 1 menu entry
- Documentation: Updated API routes
Status: COMPLETE 🎉
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