New updates to your POS modules

October 16, 2025 - Reading time: 13 minutes

## **✅ CORE FUNCTIONALITY**

### **1. Product Management**

- ✅ Display all products with images in a grid layout

- ✅ Show product name, price, and stock quantity

- ✅ Visual indicators for in-stock vs out-of-stock products

- ✅ Product images with placeholder fallback

- ✅ Real-time stock validation before adding to cart

- ✅ Automatic stock reduction after checkout

- ✅ Products organized by categories

### **2. Category Filtering**

- ✅ "All Products" button to show everything

- ✅ Individual category buttons to filter products

- ✅ Products assigned to their primary category

- ✅ Uncategorized products default to category 0

- ✅ Horizontal scrollable category bar

### **3. Product Search**

- ✅ Real-time search as you type

- ✅ Search by product name

- ✅ Instant filtering of product grid

- ✅ Search box with clear placeholder

### **4. Shopping Cart**

- ✅ Click product cards to add to cart

- ✅ Automatic quantity increment if product already in cart

- ✅ Stock limit validation (can't add more than available)

- ✅ Display product name, quantity, price, and total per line

- ✅ Increase/decrease quantity buttons with +/- controls

- ✅ Remove individual products from cart

- ✅ Real-time subtotal calculation

- ✅ Real-time grand total calculation

- ✅ Empty cart message when no products added

### **5. Customer Management**

- ✅ Guest customer option (default)

- ✅ Customer selection modal with all registered customers

- ✅ Display customer name and email in selection

- ✅ Search customers in modal

- ✅ Selected customer name displayed on main screen

- ✅ Load customer's billing/shipping address if available

- ✅ Automatic reward points loading for selected customer

---

## **💰 DISCOUNT & PROMOTIONS**

### **6. Coupon System**

- ✅ Input field to enter coupon code

- ✅ "Apply" button to validate coupon

- ✅ Backend validation through coupon system

- ✅ Fixed amount discount support

- ✅ Display coupon discount as separate line in cart

- ✅ Shows coupon code in discount row

- ✅ Remove coupon button

- ✅ Subtracts from grand total

### **7. Gift Voucher System**

- ✅ Input field for voucher code

- ✅ Validate voucher against database

- ✅ Check voucher status and theme

- ✅ Display voucher discount separately

- ✅ Shows voucher code in cart

- ✅ Remove voucher button

- ✅ Deducts from final total

### **8. Reward Points**

- ✅ Display available reward points for customer

- ✅ Input field to enter points to redeem

- ✅ Validate points against customer's balance

- ✅ Prevent using more points than available

- ✅ Calculate discount based on reward point value

- ✅ Display points used and discount amount

- ✅ Remove reward redemption button

- ✅ Automatic point deduction from customer account

- ✅ Creates reward transaction record in database

---

## **🛒 CHECKOUT PROCESS**

### **9. Order Creation**

- ✅ Validate cart is not empty before checkout

- ✅ Create order in order table

- ✅ Generate unique order ID

- ✅ Set order status (default: Complete - Status 5)

- ✅ Store customer information (or guest data)

- ✅ Record billing address (customer's or store's)

- ✅ Record shipping address (same as billing)

- ✅ Add all cart products to order

- ✅ Calculate and store subtotal

- ✅ Apply all discounts (coupon, voucher, reward)

- ✅ Store payment method as "POS Checkout"

- ✅ Store shipping method as "POS Pickup"

- ✅ Record order totals breakdown

- ✅ Add order history entry

- ✅ Create POS-specific order record

- ✅ Link order to cashier user ID

- ✅ Reduce product stock quantities

- ✅ Respect "Subtract Stock" product setting

- ✅ Clear cache after checkout

### **10. Post-Checkout**

- ✅ Success message display

- ✅ Show created order ID

- ✅ Automatic page reload after 1.5 seconds

- ✅ Updated stock displayed after reload

- ✅ Cart automatically cleared

- ✅ Customer selection reset to guest

- ✅ Discounts cleared

- ✅ Error handling and display

- ✅ Loading indicator during checkout

---

## **📊 ORDER HISTORY & REPORTING**

### **11. Order History Tab**

- ✅ Separate tab for viewing past orders

- ✅ Display only orders created by current user

- ✅ Show order ID, customer name, total, date

- ✅ Link to view full order details

- ✅ Pagination (20 orders per page)

- ✅ Page navigation (Previous/Next)

- ✅ Numbered page links

- ✅ Shows total count of orders

### **12. Order Filtering**

- ✅ Filter by Order ID

- ✅ Filter by Customer Name (partial match)

- ✅ Filter by Date From

- ✅ Filter by Date To

- ✅ "Filter" button to apply filters

- ✅ "Clear" button to reset all filters

- ✅ Enter key support in filter fields

- ✅ Filters work with pagination

- ✅ Loading indicator while fetching

---

## **🎨 USER INTERFACE**

### **13. Layout & Design**

- ✅ Two-column layout (products left, cart right)

- ✅ Responsive Bootstrap 5 design

- ✅ Tabbed interface (POS Terminal | Order History)

- ✅ Clean breadcrumb navigation

- ✅ Color-coded stock status (green/red)

- ✅ Font Awesome icons throughout

- ✅ Hover effects on clickable elements

- ✅ Card-based product display

- ✅ Modal dialogs for customer selection

- ✅ Alert messages (success/error)

### **14. Interactive Elements**

- ✅ Clickable product cards

- ✅ Button groups for quantity control

- ✅ Smooth tab switching

- ✅ Auto-hiding success alerts

- ✅ Modal open/close animations

- ✅ Disabled checkout button during processing

- ✅ Loading spinners on AJAX calls

- ✅ Tooltips on action buttons

---

## **🔧 TECHNICAL FEATURES**

### **15. Database Integration**

- ✅ Custom `pos_order` table for POS tracking

- ✅ Links to  order system

- ✅ Stores cashier user ID per order

- ✅ Direct product_to_category queries

- ✅ Proper SQL escaping

- ✅ Transaction support

- ✅ Foreign key relationships

### **16. Backend Architecture**

- ✅ MVC pattern (Model-View-Controller)

- ✅ Separate controller for POS module

- ✅ Separate model for POS orders

- ✅ Language file for translations

- ✅ JSON API endpoints for AJAX

- ✅ RESTful design patterns

- ✅ Error handling and logging

### **17. Frontend JavaScript**

- ✅ jQuery-based interactions

- ✅ AJAX for async operations

- ✅ Client-side cart management

- ✅ Real-time calculations

- ✅ Local state management

- ✅ Event delegation for dynamic content

- ✅ Number formatting function

- ✅ Modal dynamic generation

### **18. Security Features**

- ✅ User token validation on all requests

- ✅ SQL injection prevention

- ✅ XSS protection via Twig escaping

- ✅ Integer casting on IDs

- ✅ Database escape on strings

- ✅ Permission checks (user must be logged in)

- ✅ Server-side validation

---

## **📦 INSTALLATION & MANAGEMENT**

### **19. Extension Management**

- ✅ OCMOD.zip package format

- ✅ Proper directory structure

- ✅ install.json metadata

- ✅ Automatic table creation on install

- ✅ Clean uninstall support

- ✅ No manual SQL file needed

- ✅ Compatible extension installer

### **20. Configuration**

- ✅ Uses store's default currency

- ✅ Uses store's address for orders

- ✅ Respects order status settings

- ✅ Integrates with existing customer database

- ✅ Works with existing product catalog

- ✅ Compatible with reward system

---

## **📈 SUMMARY COUNT**

| Category | Features |

|----------|----------|

| **Product Management** | 8 features |

| **Cart & Checkout** | 15 features |

| **Discounts** | 11 features |

| **Order Management** | 8 features |

| **UI/UX** | 12 features |

| **Technical** | 18 features |

| **Security** | 7 features |

| **Installation** | 6 features |

---

## **🎯 TOTAL: 85+ Individual Features**

Your POS system is a **fully functional, production-ready point-of-sale solution** with:

- ✅ Complete order management

- ✅ Full discount support

- ✅ Customer integration

- ✅ Stock management

- ✅ Order history

- ✅ Security features

- ✅ Professional UI