added transaction snackbar message

lib/domains/transaction/transaction_bloc.dart

@@ -37,6 +37,7 @@ class TransactionBloc extends Bloc<TransactionEvent, TransactionState> {
     on<TransactionDeleteCurrent>(_onTransactionDeleteCurrent);
     on<TransactionFilterCategory>(_onTransactionFilterCategory);
     on<TransactionFilterAccount>(_onTransactionFilterAccount);
+    on<TransactionResetSnackBar>(_onTransactionResetSnackBar);
 
     _transactionsRepository
       .getTransactionsStream()
@@ -181,6 +182,9 @@ class TransactionBloc extends Bloc<TransactionEvent, TransactionState> {
         transactionsLinesFiltered: _applyFilters(computeResult.list),
         globalTotal: computeResult.globalTotal,
         accountsTotals: computeResult.accountsTotals,
+        showSnackBar: true,
+        snackBarIsError: false,
+        snackBarMessage: 'Transaction ${currentTransaction == null ? 'added' : 'updated'} !',
       ));
     }
   }
@@ -231,6 +235,9 @@ class TransactionBloc extends Bloc<TransactionEvent, TransactionState> {
         transactionsLinesFiltered: _applyFilters(computeResult.list),
         globalTotal: computeResult.globalTotal,
         accountsTotals: computeResult.accountsTotals,
+        showSnackBar: true,
+        snackBarIsError: false,
+        snackBarMessage: 'Transaction removed !',
       ));
     }
   }
@@ -296,4 +303,12 @@ class TransactionBloc extends Bloc<TransactionEvent, TransactionState> {
 
     return transactionsLinesFiltered;
   }
+
+  FutureOr<void> _onTransactionResetSnackBar(TransactionResetSnackBar event, Emitter<TransactionState> emit) {
+    emit(state.copyWith(
+      showSnackBar: false,
+      snackBarIsError: false,
+      snackBarMessage: '',
+    ));
+  }
 }

lib/domains/transaction/transaction_event.dart

@@ -83,4 +83,8 @@ final class TransactionFilterAccount extends TransactionEvent {
   final Account? account;
 
   const TransactionFilterAccount(this.account);
+}
+
+final class TransactionResetSnackBar extends TransactionEvent {
+  const TransactionResetSnackBar();
 }

lib/domains/transaction/transaction_state.dart

@@ -20,6 +20,10 @@ final class TransactionState extends Equatable {
 
   final Transaction? currentTransaction;
 
+  final bool showSnackBar;
+  final String snackBarMessage;
+  final bool snackBarIsError;
+
   const TransactionState({
     this.globalTotal = 0,
     this.accountsTotals = const <String, double>{},
@@ -36,6 +40,9 @@ final class TransactionState extends Equatable {
     this.currentTransaction,
     this.categoryFilter,
     this.accountFilter,
+    this.showSnackBar = false,
+    this.snackBarMessage = '',
+    this.snackBarIsError = false,
   });
 
   TransactionState copyWith({
@@ -54,6 +61,9 @@ final class TransactionState extends Equatable {
     Transaction? currentTransaction,
     Category? categoryFilter,
     Account? accountFilter,
+    bool? showSnackBar,
+    String? snackBarMessage,
+    bool? snackBarIsError,
   }) {
     return TransactionState(
       globalTotal: globalTotal ?? this.globalTotal,
@@ -71,6 +81,9 @@ final class TransactionState extends Equatable {
       currentTransaction: currentTransaction ?? this.currentTransaction,
       categoryFilter: categoryFilter ?? this.categoryFilter,
       accountFilter: accountFilter ?? this.accountFilter,
+      showSnackBar: showSnackBar ?? this.showSnackBar,
+      snackBarMessage: snackBarMessage ?? this.snackBarMessage,
+      snackBarIsError: snackBarIsError ?? this.snackBarIsError,
     );
   }
 
@@ -89,6 +102,9 @@ final class TransactionState extends Equatable {
     currentTransaction,
     categoryFilter,
     accountFilter,
+    showSnackBar,
+    snackBarMessage,
+    snackBarIsError,
   ];
   
 }