disable customer cancel invoice

lib/pages/invoice/invoice_info.dart

@@ -21,7 +21,8 @@ import 'package:provider/provider.dart';
 
 class InvoiceInfo extends StatefulWidget {
   final Invoice invoice;
-  InvoiceInfo({this.invoice});
+  final bool forCustomer;
+  InvoiceInfo({this.invoice, this.forCustomer});
 
   @override
   _InvoiceInfoState createState() => _InvoiceInfoState();
@@ -181,7 +182,7 @@ class _InvoiceInfoState extends State<InvoiceInfo> {
               SizedBox(
                 height: 10,
               ),
-              isCanceled ? Container() : cancelBtn,
+              isCanceled || widget.forCustomer ? Container() : cancelBtn,
             ],
           ),
         ),

lib/pages/invoice/invoice_list_row.dart

@@ -138,7 +138,8 @@ class InvoiceListRow extends StatelessWidget {
             //to go invoice info page
             Navigator.pop(context);
             Navigator.of(context).push(CupertinoPageRoute(
-                builder: (context) => InvoiceInfo(invoice: invoice)));
+                builder: (context) =>
+                    InvoiceInfo(invoice: invoice, forCustomer: forCustomer)));
           },
         )
       ],