Proceed or Swipe to pay disabled on over limit

lib/features/fund_transfer/screens/fund_transfer_amount_screen.dart

@@ -45,6 +45,7 @@ class _FundTransferAmountScreenState extends State<FundTransferAmountScreen> {
   final _limitService = getIt<LimitService>();
 Limit? _limit;
 bool _isLoadingLimit = true;
+bool _isAmountOverLimit = false;
 final _formatCurrency = NumberFormat.currency(locale: 'en_IN', symbol: '₹');
   final _amountController = TextEditingController();
   final _remarksController = TextEditingController();
@@ -76,21 +77,28 @@ void initState() {
  }
 
  // Add this method to check the amount against the limit
- void _checkAmountLimit() {
-   if (_limit == null) return;
+void _checkAmountLimit() {
+  if (_limit == null) return;
 
-   final amount = double.tryParse(_amountController.text) ?? 0;
-   final remainingLimit = _limit!.dailyLimit - _limit!.usedLimit;
+  final amount = double.tryParse(_amountController.text) ?? 0;
+  final remainingLimit = _limit!.dailyLimit - _limit!.usedLimit;
+  final bool isOverLimit = amount > remainingLimit;
 
-   if (amount > remainingLimit) {
-     ScaffoldMessenger.of(context).showSnackBar(
-       SnackBar(
-         content: Text('Amount exceeds remaining daily limit of ${_formatCurrency.format(remainingLimit)}'),
-         backgroundColor: Colors.red,
-       ),
-     );
-   }
- }
+  if (isOverLimit) {
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: Text('Amount exceeds remaining daily limit of ${_formatCurrency.format(remainingLimit)}'),
+        backgroundColor: Colors.red,
+      ),
+    );
+  }
+
+  if (_isAmountOverLimit != isOverLimit) {
+    setState(() {
+      _isAmountOverLimit = isOverLimit;
+    });
+  }
+}
 
   @override
   void dispose() {
@@ -490,15 +498,15 @@ void initState() {
 
                 // Proceed Button
                 SizedBox(
-                  width: double.infinity,
-                  child: ElevatedButton(
-                    onPressed: _onProceed,
-                    style: ElevatedButton.styleFrom(
-                      padding: const EdgeInsets.symmetric(vertical: 16),
-                    ),
-                    child: Text(AppLocalizations.of(context).proceed),
-                  ),
-                ),
+  width: double.infinity,
+  child: ElevatedButton(
+    onPressed: _isAmountOverLimit ? null : _onProceed, 
+    style: ElevatedButton.styleFrom(
+      padding: const EdgeInsets.symmetric(vertical: 16),
+    ),
+    child: Text(AppLocalizations.of(context).proceed),
+  ),
+),
                 const SizedBox(height: 10),
               ],
             ),

lib/features/quick_pay/screens/quick_pay_outside_bank_screen.dart

@@ -46,6 +46,7 @@ final _formatCurrency = NumberFormat.currency(locale: 'en_IN', symbol: '₹');
   final remarksController = TextEditingController();
   final _ifscFocusNode = FocusNode();
   final service = getIt<BeneficiaryService>();
+  bool _isAmountOverLimit = false;
 
   late String accountType;
   bool _isValidating = false;
@@ -88,21 +89,28 @@ Future<void> _loadLimit() async {
 }
 
 // Add this method to check the amount against the limit
-void _checkAmountLimit() {
-  if (_limit == null) return;
+ void _checkAmountLimit() {
+   if (_limit == null) return;
 
-  final amount = double.tryParse(amountController.text) ?? 0;
-  final remainingLimit = _limit!.dailyLimit - _limit!.usedLimit;
+   final amount = double.tryParse(amountController.text) ?? 0;
+   final remainingLimit = _limit!.dailyLimit - _limit!.usedLimit;
+   final bool isOverLimit = amount > remainingLimit;
 
-  if (amount > remainingLimit) {
-    ScaffoldMessenger.of(context).showSnackBar(
-      SnackBar(
-        content: Text('Amount exceeds remaining daily limit of ${_formatCurrency.format(remainingLimit)}'),
-        backgroundColor: Colors.red,
-      ),
-    );
-  }
-}
+   if (isOverLimit) {
+     ScaffoldMessenger.of(context).showSnackBar(
+       SnackBar(
+         content: Text('Amount exceeds remaining daily limit of ${_formatCurrency.format(remainingLimit)}'),
+         backgroundColor: Colors.red,
+       ),
+     );
+   }
+
+   if (_isAmountOverLimit != isOverLimit) {
+     setState(() {
+       _isAmountOverLimit = isOverLimit;
+     });
+   }
+ }
 
   void _validateIFSC() async {
     final ifsc = ifscController.text.trim().toUpperCase();
@@ -856,24 +864,31 @@ if (!_isLoadingLimit && _limit != null)
                 ],
               ),
               const SizedBox(height: 45),
-              Align(
-                alignment: Alignment.center,
-                child: SwipeButton.expand(
-                  thumb: Icon(Icons.arrow_forward,
-                      color: Theme.of(context).dialogBackgroundColor),
-                  activeThumbColor: Theme.of(context).colorScheme.primary,
-                  activeTrackColor:
-                      Theme.of(context).colorScheme.secondary.withAlpha(100),
-                  borderRadius: BorderRadius.circular(30),
-                  height: 56,
-                  onSwipe: _onProceedToPay,
-                  child: Text(
-                    AppLocalizations.of(context).swipeToPay,
-                    style: const TextStyle(
-                        fontSize: 16, fontWeight: FontWeight.bold),
-                  ),
-                ),
-              ),
+                             Align(
+                 alignment: Alignment.center,
+                 child: SwipeButton.expand(
+                   thumb: Icon(Icons.arrow_forward,
+                       color: _isAmountOverLimit ? Colors.grey : Theme.of(context).dialogBackgroundColor),
+                   activeThumbColor: _isAmountOverLimit ? Colors.grey.shade700 :
+ Theme.of(context).colorScheme.primary,
+                   activeTrackColor: _isAmountOverLimit
+                       ? Colors.grey.shade300
+                       : Theme.of(context).colorScheme.secondary.withAlpha(100),
+                   borderRadius: BorderRadius.circular(30),
+                   height: 56,
+                   onSwipe: () {
+                     if (_isAmountOverLimit) {
+                       return; // Do nothing if amount is over the limit
+                     }
+                     _onProceedToPay();
+                   },
+                   child: Text(
+                     AppLocalizations.of(context).swipeToPay,
+                     style: const TextStyle(
+                         fontSize: 16, fontWeight: FontWeight.bold),
+                   ),
+                 ),
+               ),
             ],
           ),
         ),

lib/features/quick_pay/screens/quick_pay_within_bank_screen.dart

@@ -31,7 +31,7 @@ final _formatCurrency = NumberFormat.currency(locale: 'en_IN', symbol: '₹');
   final TextEditingController amountController = TextEditingController();
   final TextEditingController remarksController = TextEditingController();
   String? _selectedAccountType;
-
+  bool _isAmountOverLimit = false;
   String? _beneficiaryName;
   bool _isValidating = false;
   bool _isBeneficiaryValidated = false;
@@ -43,6 +43,7 @@ final _formatCurrency = NumberFormat.currency(locale: 'en_IN', symbol: '₹');
     _loadLimit();
     accountNumberController.addListener(_resetBeneficiaryValidation);
     confirmAccountNumberController.addListener(_resetBeneficiaryValidation);
+    amountController.addListener(_checkAmountLimit);
   }
 
 Future<void> _loadLimit() async {
@@ -68,8 +69,9 @@ void _checkAmountLimit() {
 
   final amount = double.tryParse(amountController.text) ?? 0;
   final remainingLimit = _limit!.dailyLimit - _limit!.usedLimit;
+  final bool isOverLimit = amount > remainingLimit;
 
-  if (amount > remainingLimit) {
+  if (isOverLimit) {
     ScaffoldMessenger.of(context).showSnackBar(
       SnackBar(
         content: Text('Amount exceeds remaining daily limit of ${_formatCurrency.format(remainingLimit)}'),
@@ -77,6 +79,13 @@ void _checkAmountLimit() {
       ),
     );
   }
+
+  // Update state only if it changes to avoid unnecessary rebuilds
+  if (_isAmountOverLimit != isOverLimit) {
+    setState(() {
+      _isAmountOverLimit = isOverLimit;
+    });
+  }
 }
 
   void _resetBeneficiaryValidation() {
@@ -379,63 +388,69 @@ if (!_isLoadingLimit && _limit != null)
     style: Theme.of(context).textTheme.bodySmall,
   ),
               const SizedBox(height: 45),
-              Align(
-                alignment: Alignment.center,
-                child: SwipeButton.expand(
-                  thumb: Icon(Icons.arrow_forward,
-                      color: Theme.of(context).dialogBackgroundColor),
-                  activeThumbColor: Theme.of(context).colorScheme.primary,
-                  activeTrackColor: Theme.of(
-                    context,
-                  ).colorScheme.secondary.withAlpha(100),
-                  borderRadius: BorderRadius.circular(30),
-                  height: 56,
-                  child: Text(
-                    AppLocalizations.of(context).swipeToPay,
-                    style: const TextStyle(fontSize: 16),
-                  ),
-                  onSwipe: () {
-                    if (_formKey.currentState!.validate()) {
-                      if (!_isBeneficiaryValidated) {
-                        setState(() {
-                          _validationError = AppLocalizations.of(context)
-                              .validateBeneficiaryproceeding;
-                        });
-                        return;
-                      }
-                      // Perform payment logic
-                      Navigator.push(
-                        context,
-                        MaterialPageRoute(
-                          builder: (context) => TransactionPinScreen(
-                            onPinCompleted: (pinScreenContext, tpin) async {
-                              final transfer = Transfer(
-                                fromAccount: widget.debitAccount,
-                                toAccount: accountNumberController.text,
-                                toAccountType: _selectedAccountType!,
-                                amount: amountController.text,
-                                tpin: tpin,
-                                remarks: remarksController.text,
-                              );
+                             Align(
+                 alignment: Alignment.center,
+                 child: SwipeButton.expand(
+                   thumb: Icon(Icons.arrow_forward,
+                       color: _isAmountOverLimit ? Colors.grey : Theme.of(context).dialogBackgroundColor),
+                   activeThumbColor: _isAmountOverLimit ? Colors.grey.shade700 :
+ Theme.of(context).colorScheme.primary,
+                   activeTrackColor: _isAmountOverLimit
+                       ? Colors.grey.shade300
+                       : Theme.of(
+                     context,
+                   ).colorScheme.secondary.withAlpha(100),
+                   borderRadius: BorderRadius.circular(30),
+                   height: 56,
+                   child: Text(
+                     AppLocalizations.of(context).swipeToPay,
+                     style: const TextStyle(fontSize: 16),
+                   ),
+                   onSwipe: () {
+                     if (_isAmountOverLimit) {
+                       return; // Do nothing if amount is over limit
+                     }
+                     if (_formKey.currentState!.validate()) {
+                       if (!_isBeneficiaryValidated) {
+                         setState(() {
+                           _validationError = AppLocalizations.of(context)
+                               .validateBeneficiaryproceeding;
+                         });
+                         return;
+                       }
+                       // Perform payment logic
+                       Navigator.push(
+                         context,
+                         MaterialPageRoute(
+                           builder: (context) => TransactionPinScreen(
+                             onPinCompleted: (pinScreenContext, tpin) async {
+                               final transfer = Transfer(
+                                 fromAccount: widget.debitAccount,
+                                 toAccount: accountNumberController.text,
+                                 toAccountType: _selectedAccountType!,
+                                 amount: amountController.text,
+                                 tpin: tpin,
+                                 remarks: remarksController.text,
+                               );
 
-                              final paymentService = getIt<PaymentService>();
-                              final paymentResponseFuture = paymentService
-                                  .processQuickPayWithinBank(transfer);
+                               final paymentService = getIt<PaymentService>();
+                               final paymentResponseFuture = paymentService
+                                   .processQuickPayWithinBank(transfer);
 
-                              Navigator.of(pinScreenContext).pushReplacement(
-                                MaterialPageRoute(
-                                  builder: (_) => PaymentAnimationScreen(
-                                      paymentResponse: paymentResponseFuture),
-                                ),
-                              );
-                            },
-                          ),
-                        ),
-                      );
-                    }
-                  },
-                ),
-              ),
+                               Navigator.of(pinScreenContext).pushReplacement(
+                                 MaterialPageRoute(
+                                   builder: (_) => PaymentAnimationScreen(
+                                       paymentResponse: paymentResponseFuture),
+                                 ),
+                               );
+                             },
+                           ),
+                         ),
+                       );
+                     }
+                   },
+                 ),
+               ),
             ],
           ),
           ),