made sales readonly for andriod

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

@@ -65,6 +65,11 @@ public class SaleFragment extends Fragment implements SaleAdapter.OnSaleClickLis
 
         UIUtils.setupHamburgerMenu(binding.btnHamburger, this);
 
+        if (isAdmin()) {
+            binding.fabAddSale.setVisibility(View.GONE);
+            binding.btnOpenRefund.setVisibility(View.GONE);
+        }
+
         binding.fabAddSale.setOnClickListener(v ->
                 NavHostFragment.findNavController(this).navigate(R.id.nav_sale_detail));
 
@@ -110,6 +115,10 @@ public class SaleFragment extends Fragment implements SaleAdapter.OnSaleClickLis
         return "STAFF".equalsIgnoreCase(tokenManager.getRole());
     }
 
+    private boolean isAdmin() {
+        return "ADMIN".equalsIgnoreCase(tokenManager.getRole());
+    }
+
     private void setupStoreFilter() {
         SpinnerUtils.setupFilterSpinner(binding.spinnerStore, () -> loadSales(true));
     }

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

@@ -68,6 +68,10 @@ public class SaleDetailFragment extends Fragment {
         return "STAFF".equalsIgnoreCase(tokenManager.getRole());
     }
 
+    private boolean isAdmin() {
+        return "ADMIN".equalsIgnoreCase(tokenManager.getRole());
+    }
+
     private void observeViewModel() {
         viewModel.getStoreList().observe(getViewLifecycleOwner(), list -> {
             Long primaryStoreId = tokenManager.getPrimaryStoreId();
@@ -109,7 +113,7 @@ public class SaleDetailFragment extends Fragment {
             binding.tvSaleDetailId.setText("ID: " + saleId);
 
             boolean isRefund = a.getBoolean("isRefund", false);
-            if (isRefund) {
+            if (isRefund || isAdmin()) {
                 binding.btnRefundSale.setVisibility(View.GONE);
             }
 
@@ -129,8 +133,7 @@ public class SaleDetailFragment extends Fragment {
                 binding.tvSaleStore.setVisibility(View.VISIBLE);
                 binding.tvSalePaymentMethod.setVisibility(View.VISIBLE);
 
-                // Show refund button only if it's not already a refund
+                binding.btnRefundSale.setVisibility((isRefund || isAdmin()) ? View.GONE : View.VISIBLE);
-                binding.btnRefundSale.setVisibility(isRefund ? View.GONE : View.VISIBLE);
             }
 
             loadSaleDetails();