stableee

lib/shared/services/exchange_rate_service.dart

@@ -4,8 +4,7 @@ import 'package:shared_preferences/shared_preferences.dart';
 
 class ExchangeRateService {
   static const String _primaryUrl = 'https://open.er-api.com/v6/latest/USD';
-  static const String _fallbackUrl =
-      'https://cdn.jsdelivr.net/npm/@fawazahmed0/currency-api@latest/v1/currencies/usd.json';
+  static const String _fallbackUrl = 'https://cdn.jsdelivr.net/npm/@fawazahmed0/currency-api@latest/v1/currencies/usd.json';
   static const String _cacheKey = 'exchange_rates';
 
   static const Map<String, double> _fallbackRates = {

lib/shared/services/storage_service.dart

@@ -16,7 +16,6 @@ class StorageService {
 
   StorageService(this._prefs);
 
-  /// Load all transactions with error handling
   Result<List<Transaction>> loadTransactions() {
     return resultOf(() {
       final raw = _prefs.getString(_transactionsKey);
@@ -29,13 +28,11 @@ class StorageService {
     });
   }
 
-  /// Load transactions (legacy - throws on error)
   List<Transaction> loadTransactionsUnsafe() {
     final result = loadTransactions();
     return result.getOrDefault([]);
   }
 
-  /// Save transactions with error handling
   Future<Result<void>> saveTransactions(List<Transaction> transactions) async {
     return asyncResultOf(() async {
       final encoded = jsonEncode(transactions.map((t) => t.toJson()).toList());
@@ -43,7 +40,6 @@ class StorageService {
     });
   }
 
-  /// Add transaction with error handling
   Future<Result<void>> addTransaction(Transaction transaction) async {
     return asyncResultOf(() async {
       final listResult = loadTransactions();
@@ -57,7 +53,6 @@ class StorageService {
     });
   }
 
-  /// Update transaction with error handling
   Future<Result<void>> updateTransaction(Transaction transaction) async {
     return asyncResultOf(() async {
       final listResult = loadTransactions();
@@ -76,7 +71,6 @@ class StorageService {
     });
   }
 
-  /// Delete transaction with error handling
   Future<Result<void>> deleteTransaction(String id) async {
     return asyncResultOf(() async {
       final listResult = loadTransactions();
@@ -100,7 +94,6 @@ class StorageService {
     return _prefs.getDouble(_budgetKey);
   }
 
-  /// Save budget with error handling
   Future<Result<void>> saveBudget(double? budget) async {
     return asyncResultOf(() async {
       if (budget == null) {
@@ -196,7 +189,6 @@ class StorageService {
     }
   }
 
-  /// Process recurring transactions with error handling (returns count)
   Future<Result<int>> processRecurringTransactionsWithResult() async {
     return asyncResultOf(() async {
       final transactionsResult = loadTransactions();

lib/shared/widgets/error_snackbar.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import '../../core/utils/result.dart';
 
-/// Show error snackbar with custom styling
 void showErrorSnackbar(BuildContext context, String message) {
   ScaffoldMessenger.of(context).showSnackBar(
     SnackBar(
@@ -28,7 +27,6 @@ void showErrorSnackbar(BuildContext context, String message) {
   );
 }
 
-/// Show success snackbar with custom styling
 void showSuccessSnackbar(BuildContext context, String message) {
   ScaffoldMessenger.of(context).showSnackBar(
     SnackBar(
@@ -48,7 +46,6 @@ void showSuccessSnackbar(BuildContext context, String message) {
   );
 }
 
-/// Show warning snackbar with custom styling
 void showWarningSnackbar(BuildContext context, String message) {
   ScaffoldMessenger.of(context).showSnackBar(
     SnackBar(
@@ -68,31 +65,25 @@ void showWarningSnackbar(BuildContext context, String message) {
   );
 }
 
-/// Extension to handle Result with UI feedback
 extension ResultUIExtension<T> on Result<T> {
-  /// Show snackbar on failure
   Result<T> showErrorOnFailure(BuildContext context) {
     onFailure((message) => showErrorSnackbar(context, message));
     return this;
   }
 
-  /// Show snackbar on success with custom message
   Result<T> showSuccessMessage(BuildContext context, String message) {
     onSuccess((_) => showSuccessSnackbar(context, message));
     return this;
   }
 }
 
-/// Extension for Future<Result<T>>
 extension FutureResultUIExtension<T> on Future<Result<T>> {
-  /// Show snackbar on failure
   Future<Result<T>> showErrorOnFailure(BuildContext context) async {
     final result = await this;
     result.onFailure((message) => showErrorSnackbar(context, message));
     return result;
   }
 
-  /// Show snackbar on success with custom message
   Future<Result<T>> showSuccessMessage(
     BuildContext context,
     String message,
@@ -102,7 +93,6 @@ extension FutureResultUIExtension<T> on Future<Result<T>> {
     return result;
   }
 
-  /// Show both success and error messages
   Future<Result<T>> showFeedback(
     BuildContext context, {
     required String successMessage,
@@ -115,7 +105,6 @@ extension FutureResultUIExtension<T> on Future<Result<T>> {
   }
 }
 
-/// Error dialog widget
 class ErrorDialog extends StatelessWidget {
   final String title;
   final String message;