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Add CommaToDotFormatter in buy_tft #1175

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Add CommaToDotFormatter in buy_tft #1175

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38 changes: 34 additions & 4 deletions app/lib/screens/market/buy_tft.dart
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import 'package:decimal/decimal.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_keyboard_visibility/flutter_keyboard_visibility.dart';
import 'package:stellar_client/models/exceptions.dart';
import 'package:threebotlogin/helpers/logger.dart';
Expand All @@ -11,6 +12,18 @@ import 'package:threebotlogin/screens/market/order.dart';
import 'package:threebotlogin/services/stellar_service.dart' as Stellar;
import 'package:threebotlogin/widgets/custom_dialog.dart';

/// TextInputFormatter that converts comma to dot for decimal separator
class CommaToDotFormatter extends TextInputFormatter {
@override
TextEditingValue formatEditUpdate(
TextEditingValue oldValue, TextEditingValue newValue) {
return TextEditingValue(
text: newValue.text.replaceAll(',', '.'),
selection: newValue.selection,
);
}
}

class BuyTFTWidget extends StatefulWidget {
final Wallet wallet;
final Offer? offer;
Expand Down Expand Up @@ -171,14 +184,22 @@ class _BuyTFTWidgetState extends State<BuyTFTWidget> {
});
return false;
}
if (Decimal.parse(price) <= Decimal.zero) {

try {
final decimalPrice = Decimal.parse(price);
if (decimalPrice <= Decimal.zero) {
setState(() {
priceError = 'Price should be positive';
});
return false;
}
return true;
} catch (e) {
setState(() {
priceError = 'Price should be positive';
priceError = 'Invalid price format';
});
return false;
}

return true;
}

calculateAmount(int percentage) {
Expand Down Expand Up @@ -456,6 +477,9 @@ class _BuyTFTWidgetState extends State<BuyTFTWidget> {
},
keyboardType: const TextInputType.numberWithOptions(
decimal: true, signed: false),
inputFormatters: [
CommaToDotFormatter(),
],
controller: amountController,
textInputAction: TextInputAction.done,
decoration: InputDecoration(
Expand Down Expand Up @@ -562,6 +586,12 @@ class _BuyTFTWidgetState extends State<BuyTFTWidget> {
),
keyboardType: const TextInputType.numberWithOptions(
decimal: true, signed: false),
inputFormatters: [
CommaToDotFormatter(),
],
onChanged: (_) {
_validatePrice();
},
controller: priceController,
textInputAction: TextInputAction.done,
decoration: InputDecoration(
Expand Down