Merge pull request #293 from Oloodi/billing_screen

Billing screen

apps/mobile/packages/domain/lib/src/entities/financial/invoice.dart

@@ -35,6 +35,8 @@ class Invoice extends Equatable {
     required this.totalAmount,
     required this.workAmount,
     required this.addonsAmount,
+    this.invoiceNumber,
+    this.issueDate,
   });
   /// Unique identifier.
   final String id;
@@ -57,6 +59,12 @@ class Invoice extends Equatable {
   /// Total amount for addons/extras.
   final double addonsAmount;
 
+  /// Human-readable invoice number.
+  final String? invoiceNumber;
+
+  /// Date when the invoice was issued.
+  final DateTime? issueDate;
+
   @override
   List<Object?> get props => <Object?>[
         id,
@@ -66,5 +74,7 @@ class Invoice extends Equatable {
         totalAmount,
         workAmount,
         addonsAmount,
+        invoiceNumber,
+        issueDate,
       ];
-}
+}