updated sales to have new backend data

android/app/src/main/java/com/example/petstoremobile/dtos/SaleDTO.java

@@ -12,9 +12,16 @@ public class SaleDTO {
     private Long storeId;
     private String storeName;
     private BigDecimal totalAmount;
+    private BigDecimal subtotalAmount;
+    private BigDecimal couponDiscountAmount;
+    private BigDecimal employeeDiscountAmount;
     private String paymentMethod;
+    private String channel;
     private Boolean isRefund;
     private Long originalSaleId;
+    private Long cartId;
+    private Long couponId;
+    private Integer pointsEarned;
     private List<SaleItemDTO> items;
     private String createdAt;
 
@@ -60,10 +67,26 @@ public class SaleDTO {
         return totalAmount;
     }
 
+    public BigDecimal getSubtotalAmount() {
+        return subtotalAmount;
+    }
+
+    public BigDecimal getCouponDiscountAmount() {
+        return couponDiscountAmount;
+    }
+
+    public BigDecimal getEmployeeDiscountAmount() {
+        return employeeDiscountAmount;
+    }
+
     public String getPaymentMethod() {
         return paymentMethod;
     }
 
+    public String getChannel() {
+        return channel;
+    }
+
     public Boolean getIsRefund() {
         return isRefund;
     }
@@ -72,6 +95,18 @@ public class SaleDTO {
         return originalSaleId;
     }
 
+    public Long getCartId() {
+        return cartId;
+    }
+
+    public Long getCouponId() {
+        return couponId;
+    }
+
+    public Integer getPointsEarned() {
+        return pointsEarned;
+    }
+
     public List<SaleItemDTO> getItems() {
         return items;
     }

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/RefundFragment.java

@@ -31,7 +31,7 @@ public class RefundFragment extends Fragment {
     // Items user has added to refund cart
     private List<RefundItem> refundCart = new ArrayList<>();
 
-    private final String[] PAYMENT_METHODS = {"Cash", "Card", "Debit"};
+    private final String[] PAYMENT_METHODS = {"Cash", "Card"};
 
     // Inner class to track refund items
     static class RefundItem {

android/app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/SaleDetailFragment.java

@@ -12,6 +12,9 @@ import com.example.petstoremobile.R;
 import com.example.petstoremobile.databinding.FragmentSaleDetailBinding;
 import com.example.petstoremobile.dtos.*;
 import com.example.petstoremobile.viewmodels.*;
+import com.example.petstoremobile.utils.SpinnerUtils;
+import com.example.petstoremobile.utils.DialogUtils;
+import com.example.petstoremobile.utils.Resource;
 import dagger.hilt.android.AndroidEntryPoint;
 import java.math.BigDecimal;
 import java.util.*;
@@ -33,7 +36,7 @@ public class SaleDetailFragment extends Fragment {
     private List<ProductDTO> productList = new ArrayList<>();
     private List<SaleDTO.SaleItemDTO> cartItems = new ArrayList<>();
 
-    private final String[] PAYMENT_METHODS = { "Cash", "Credit Card", "Debit Card", "Online" };
+    private final String[] PAYMENT_METHODS = { "Cash", "Card"};
 
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
@@ -45,8 +48,7 @@ public class SaleDetailFragment extends Fragment {
         customerViewModel = new ViewModelProvider(this).get(CustomerViewModel.class);
         productViewModel = new ViewModelProvider(this).get(ProductViewModel.class);
 
-        binding.spinnerPaymentMethod.setAdapter(new ArrayAdapter<>(requireContext(),
+        SpinnerUtils.setupStringSpinner(requireContext(), binding.spinnerPaymentMethod, PAYMENT_METHODS);
-                android.R.layout.simple_spinner_item, PAYMENT_METHODS));
 
         handleArguments();
 
@@ -81,9 +83,8 @@ public class SaleDetailFragment extends Fragment {
                 binding.spinnerSaleStore.setEnabled(false);
                 binding.spinnerSaleCustomer.setEnabled(false);
                 binding.spinnerPaymentMethod.setEnabled(false);
-                binding.spinnerSaleProduct.setEnabled(false);
+                binding.llAddItemRow.setVisibility(View.GONE);
-                binding.etSaleQuantity.setEnabled(false);
+                binding.llExtraInfo.setVisibility(View.VISIBLE);
-                binding.btnAddItem.setEnabled(false);
             }
 
             // Load sale details
@@ -92,6 +93,7 @@ public class SaleDetailFragment extends Fragment {
             binding.tvSaleMode.setText("New Sale");
             binding.tvSaleDetailId.setVisibility(View.GONE);
             binding.btnRefundSale.setVisibility(View.GONE);
+            binding.llExtraInfo.setVisibility(View.GONE);
         }
     }
 
@@ -102,27 +104,18 @@ public class SaleDetailFragment extends Fragment {
     }
 
     private void loadStores() {
-
         storeViewModel.getAllStores(0, 50).observe(getViewLifecycleOwner(), resource -> {
-            if (resource != null && resource.status == com.example.petstoremobile.utils.Resource.Status.SUCCESS && resource.data != null) {
+            if (resource != null && resource.status == Resource.Status.SUCCESS && resource.data != null) {
                 storeList = resource.data.getContent();
-                List<String> names = new ArrayList<>();
-                names.add("-- Select Store --");
-                for (StoreDTO s : storeList) names.add(s.getStoreName());
                 if (binding != null) {
-                    binding.spinnerSaleStore.setAdapter(new ArrayAdapter<>(requireContext(),
+                    SpinnerUtils.populateSpinner(requireContext(), binding.spinnerSaleStore, storeList,
-                            android.R.layout.simple_spinner_item, names));
+                            StoreDTO::getStoreName, "-- Select Store --", -1L, StoreDTO::getStoreId);
                 }
             } else if (storeList.isEmpty()) {
-                // Fallback if failed or empty
+                storeList = Collections.singletonList(new StoreDTO(1L, "Downtown Branch"));
-                storeList = new ArrayList<>();
-                storeList.add(new StoreDTO(1L, "Downtown Branch"));
-                List<String> names = new ArrayList<>();
-                names.add("-- Select Store --");
-                names.add("Downtown Branch");
                 if (binding != null) {
-                    binding.spinnerSaleStore.setAdapter(new ArrayAdapter<>(requireContext(),
+                    SpinnerUtils.populateSpinner(requireContext(), binding.spinnerSaleStore, storeList,
-                            android.R.layout.simple_spinner_item, names));
+                            StoreDTO::getStoreName, "-- Select Store --", -1L, StoreDTO::getStoreId);
                 }
             }
         });
@@ -130,15 +123,11 @@ public class SaleDetailFragment extends Fragment {
 
     private void loadCustomers() {
         customerViewModel.getAllCustomers(0, 200).observe(getViewLifecycleOwner(), resource -> {
-            if (resource != null && resource.status == com.example.petstoremobile.utils.Resource.Status.SUCCESS && resource.data != null) {
+            if (resource != null && resource.status == Resource.Status.SUCCESS && resource.data != null) {
                 customerList = resource.data.getContent();
-                List<String> names = new ArrayList<>();
-                names.add("-- No Customer --");
-                for (CustomerDTO cu : customerList)
-                    names.add(cu.getFirstName() + " " + cu.getLastName());
                 if (binding != null) {
-                    binding.spinnerSaleCustomer.setAdapter(new ArrayAdapter<>(requireContext(),
+                    SpinnerUtils.populateSpinner(requireContext(), binding.spinnerSaleCustomer, customerList,
-                            android.R.layout.simple_spinner_item, names));
+                            CustomerDTO::getFullName, "-- No Customer --", -1L, CustomerDTO::getCustomerId);
                 }
             }
         });
@@ -146,15 +135,11 @@ public class SaleDetailFragment extends Fragment {
 
     private void loadProducts() {
         productViewModel.getAllProducts(null, null, 0, 200, null).observe(getViewLifecycleOwner(), resource -> {
-            if (resource != null && resource.status == com.example.petstoremobile.utils.Resource.Status.SUCCESS && resource.data != null) {
+            if (resource != null && resource.status == Resource.Status.SUCCESS && resource.data != null) {
                 productList = resource.data.getContent();
-                List<String> names = new ArrayList<>();
-                names.add("-- Select Product --");
-                for (ProductDTO p : productList)
-                    names.add(p.getProdName());
                 if (binding != null) {
-                    binding.spinnerSaleProduct.setAdapter(new ArrayAdapter<>(requireContext(),
+                    SpinnerUtils.populateSpinner(requireContext(), binding.spinnerSaleProduct, productList,
-                            android.R.layout.simple_spinner_item, names));
+                            ProductDTO::getProdName, "Select Product", -1L, ProductDTO::getProdId);
                 }
             }
         });
@@ -162,10 +147,31 @@ public class SaleDetailFragment extends Fragment {
 
     private void loadSaleDetails() {
         saleViewModel.getSaleById(saleId).observe(getViewLifecycleOwner(), resource -> {
-            if (resource != null && resource.status == com.example.petstoremobile.utils.Resource.Status.SUCCESS && resource.data != null) {
+            if (resource != null && resource.status == Resource.Status.SUCCESS && resource.data != null) {
                 SaleDTO sale = resource.data;
                 if (binding != null) {
                     binding.tvSaleDetailTotal.setText("Total: $" + sale.getTotalAmount());
+                    binding.tvSaleSubtotal.setText("$" + (sale.getSubtotalAmount() != null ? sale.getSubtotalAmount() : sale.getTotalAmount()));
+                    
+                    if (sale.getCouponDiscountAmount() != null && sale.getCouponDiscountAmount().compareTo(BigDecimal.ZERO) > 0) {
+                        binding.llCouponDiscount.setVisibility(View.VISIBLE);
+                        binding.tvSaleCouponDiscount.setText("-$" + sale.getCouponDiscountAmount());
+                    } else {
+                        binding.llCouponDiscount.setVisibility(View.GONE);
+                    }
+
+                    if (sale.getEmployeeDiscountAmount() != null && sale.getEmployeeDiscountAmount().compareTo(BigDecimal.ZERO) > 0) {
+                        binding.llEmployeeDiscount.setVisibility(View.VISIBLE);
+                        binding.tvSaleEmployeeDiscount.setText("-$" + sale.getEmployeeDiscountAmount());
+                    } else {
+                        binding.llEmployeeDiscount.setVisibility(View.GONE);
+                    }
+
+                    binding.tvSaleChannel.setText(sale.getChannel() != null ? sale.getChannel() : "—");
+                    binding.tvSalePoints.setText(String.valueOf(sale.getPointsEarned() != null ? sale.getPointsEarned() : 0));
+
+                    SpinnerUtils.setSelectionByValue(binding.spinnerPaymentMethod, sale.getPaymentMethod());
+
                     // Display items
                     if (sale.getItems() != null) {
                         binding.llSaleItems.removeAllViews();
@@ -255,6 +261,7 @@ public class SaleDetailFragment extends Fragment {
                 }
             }
         }
+        binding.tvSaleSubtotal.setText("$" + total);
         binding.tvSaleDetailTotal.setText("Total: $" + total);
     }
 
@@ -295,7 +302,7 @@ public class SaleDetailFragment extends Fragment {
                         break;
                     case ERROR:
                         Log.e("SALE_SAVE", "Error: " + resource.message);
-                        Toast.makeText(getContext(), "Error: " + resource.message, Toast.LENGTH_LONG).show();
+                        DialogUtils.showInfoDialog(requireContext(), "Save Error", resource.message);
                         break;
                 }
             }
@@ -303,9 +310,12 @@ public class SaleDetailFragment extends Fragment {
     }
 
     private void showRefundDialog() {
-        Bundle args = new Bundle();
+        DialogUtils.showConfirmDialog(requireContext(), "Process Refund", 
-        args.putLong("saleId", saleId);
+            "Are you sure you want to process a refund for this sale?", () -> {
-        NavHostFragment.findNavController(this).navigate(R.id.nav_refund, args);
+            Bundle args = new Bundle();
+            args.putLong("saleId", saleId);
+            NavHostFragment.findNavController(this).navigate(R.id.nav_refund, args);
+        });
     }
 
     private void navigateBack() {

android/app/src/main/res/layout/fragment_sale_detail.xml

@@ -46,7 +46,6 @@
             android:orientation="vertical"
             android:padding="24dp">
 
-            <!-- Sale Info Card -->
             <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
@@ -65,7 +64,6 @@
                     android:layout_gravity="end"
                     android:layout_marginBottom="8dp"/>
 
-                <!-- Store -->
                 <TextView
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
@@ -80,7 +78,6 @@
                     android:layout_height="wrap_content"
                     android:layout_marginBottom="16dp"/>
 
-                <!-- Customer (optional) -->
                 <TextView
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
@@ -110,6 +107,54 @@
                     android:layout_height="wrap_content"
                     android:layout_marginBottom="16dp"/>
 
+                <LinearLayout
+                    android:id="@+id/llExtraInfo"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="horizontal"
+                    android:visibility="gone">
+
+                    <LinearLayout
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:orientation="vertical">
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="Channel"
+                            android:textColor="@color/text_dark"
+                            android:textSize="12sp"/>
+                        <TextView
+                            android:id="@+id/tvSaleChannel"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="—"
+                            android:textSize="14sp"
+                            android:layout_marginTop="4dp"/>
+                    </LinearLayout>
+
+                    <LinearLayout
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:orientation="vertical">
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="Points Earned"
+                            android:textColor="@color/text_dark"
+                            android:textSize="12sp"/>
+                        <TextView
+                            android:id="@+id/tvSalePoints"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="0"
+                            android:textSize="14sp"
+                            android:layout_marginTop="4dp"/>
+                    </LinearLayout>
+                </LinearLayout>
+
             </LinearLayout>
 
             <!-- Items Card -->
@@ -130,8 +175,8 @@
                     android:textStyle="bold"
                     android:layout_marginBottom="12dp"/>
 
-                <!-- Item row -->
                 <LinearLayout
+                    android:id="@+id/llAddItemRow"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:orientation="horizontal"
@@ -164,24 +209,91 @@
 
                 </LinearLayout>
 
-                <!-- Items list container -->
                 <LinearLayout
                     android:id="@+id/llSaleItems"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:orientation="vertical"/>
 
-                <!-- Total -->
+                <View
-                <TextView
+                    android:layout_width="match_parent"
-                    android:id="@+id/tvSaleDetailTotal"
+                    android:layout_height="1dp"
-                    android:layout_width="wrap_content"
+                    android:background="#EEEEEE"
+                    android:layout_marginTop="12dp"
+                    android:layout_marginBottom="12dp"/>
+
+                <LinearLayout
+                    android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:text="Total: $0.00"
+                    android:orientation="vertical">
-                    android:textSize="18sp"
+
-                    android:textStyle="bold"
+                    <LinearLayout
-                    android:textColor="@color/accent_coral"
+                        android:layout_width="match_parent"
-                    android:layout_gravity="end"
+                        android:layout_height="wrap_content"
-                    android:layout_marginTop="12dp"/>
+                        android:orientation="horizontal">
+                        <TextView
+                            android:layout_width="0dp"
+                            android:layout_height="wrap_content"
+                            android:layout_weight="1"
+                            android:text="Subtotal:"/>
+                        <TextView
+                            android:id="@+id/tvSaleSubtotal"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="$0.00"/>
+                    </LinearLayout>
+
+                    <LinearLayout
+                        android:id="@+id/llCouponDiscount"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:orientation="horizontal"
+                        android:layout_marginTop="4dp"
+                        android:visibility="gone">
+                        <TextView
+                            android:layout_width="0dp"
+                            android:layout_height="wrap_content"
+                            android:layout_weight="1"
+                            android:text="Coupon Discount:"/>
+                        <TextView
+                            android:id="@+id/tvSaleCouponDiscount"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="-$0.00"
+                            android:textColor="@color/status_adopted"/>
+                    </LinearLayout>
+
+                    <LinearLayout
+                        android:id="@+id/llEmployeeDiscount"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:orientation="horizontal"
+                        android:layout_marginTop="4dp"
+                        android:visibility="gone">
+                        <TextView
+                            android:layout_width="0dp"
+                            android:layout_height="wrap_content"
+                            android:layout_weight="1"
+                            android:text="Employee Discount:"/>
+                        <TextView
+                            android:id="@+id/tvSaleEmployeeDiscount"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:text="-$0.00"
+                            android:textColor="@color/status_adopted"/>
+                    </LinearLayout>
+
+                    <TextView
+                        android:id="@+id/tvSaleDetailTotal"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="Total: $0.00"
+                        android:textSize="18sp"
+                        android:textStyle="bold"
+                        android:textColor="@color/accent_coral"
+                        android:layout_gravity="end"
+                        android:layout_marginTop="12dp"/>
+                </LinearLayout>
 
             </LinearLayout>