complete budget page

lib/domains/budget/budget_state.dart

@@ -5,21 +5,46 @@ final class BudgetState {
   final double initialBudget;
   final double remainingBudget;
 
+  final List<Budget> compareBudgets;
+  final List<Budget> otherBudgets;
+  final num compareYear;
+  final num compareMonth;
+  final DateTime? firstDate;
+  final DateTime? lastDate;
+
   const BudgetState({
     this.budgets = const [],
     this.initialBudget = 2300.0,
     this.remainingBudget = 2300.0,
+    this.compareBudgets = const [],
+    this.otherBudgets = const [],
+    this.compareYear = 2000,
+    this.compareMonth = 1,
+    this.firstDate,
+    this.lastDate,
   });
 
   BudgetState copyWith({
     List<Budget>? budgets,
     double? initialBudget,
     double? remainingBudget,
+    List<Budget>? compareBudgets,
+    List<Budget>? otherBudgets,
+    num? compareYear,
+    num? compareMonth,
+    DateTime? firstDate,
+    DateTime? lastDate,
   }) {
     return BudgetState(
       budgets: budgets ?? this.budgets,
       initialBudget: initialBudget ?? this.initialBudget,
       remainingBudget: remainingBudget ?? this.remainingBudget,
+      compareBudgets: compareBudgets ?? this.compareBudgets,
+      otherBudgets: otherBudgets ?? this.otherBudgets,
+      compareYear: compareYear ?? this.compareYear,
+      compareMonth: compareMonth ?? this.compareMonth,
+      firstDate: firstDate ?? this.firstDate,
+      lastDate: lastDate ?? this.lastDate,
     );
   }
 }