From 1256e9fe6dc7ca4a8c60ae790d3e3d66cb36d00e Mon Sep 17 00:00:00 2001
From: enrique-lozano <lozano.elc@gmail.com>
Date: Sat, 9 Nov 2024 16:11:35 +0100
Subject: [PATCH] Allow more decimals in the exchange rate form

---
 lib/app/accounts/account_form.dart            |  2 +-
 lib/app/currencies/exchange_rate_form.dart    |  2 +-
 .../form/transaction_form.page.dart           |  2 +-
 .../filter_sheet_modal.dart                   |  4 ++--
 lib/core/utils/text_field_utils.dart          | 19 ++++++++++++++-----
 5 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/lib/app/accounts/account_form.dart b/lib/app/accounts/account_form.dart
index c3eeebea..e6229210 100644
--- a/lib/app/accounts/account_form.dart
+++ b/lib/app/accounts/account_form.dart
@@ -284,7 +284,7 @@ class _AccountFormPageState extends State<AccountFormPage> {
                   keyboardType: TextInputType.number,
                   enabled:
                       !(widget.account != null && widget.account!.isClosed),
-                  inputFormatters: decimalDigitFormatter,
+                  inputFormatters: twoDecimalDigitFormatter,
                   validator: (value) => fieldValidator(value,
                       validator: ValidatorType.double, isRequired: true),
                   autovalidateMode: AutovalidateMode.onUserInteraction,
diff --git a/lib/app/currencies/exchange_rate_form.dart b/lib/app/currencies/exchange_rate_form.dart
index 2c03de9d..2a4da55c 100644
--- a/lib/app/currencies/exchange_rate_form.dart
+++ b/lib/app/currencies/exchange_rate_form.dart
@@ -207,7 +207,7 @@ class _ExchangeRateFormDialogState extends State<ExchangeRateFormDialog> {
                     },
                     autovalidateMode: AutovalidateMode.onUserInteraction,
                     keyboardType: TextInputType.number,
-                    inputFormatters: decimalDigitFormatter,
+                    inputFormatters: decimalDigitFormatter(6),
                     decoration: InputDecoration(
                       labelText: '${t.currencies.exchange_rate} *',
                       hintText: 'Ex.: 2.14',
diff --git a/lib/app/transactions/form/transaction_form.page.dart b/lib/app/transactions/form/transaction_form.page.dart
index a640fe6a..8b01a7bc 100644
--- a/lib/app/transactions/form/transaction_form.page.dart
+++ b/lib/app/transactions/form/transaction_form.page.dart
@@ -391,7 +391,7 @@ class _TransactionFormPageState extends State<TransactionFormPage>
           isDense: false,
         ),
         keyboardType: TextInputType.number,
-        inputFormatters: decimalDigitFormatter,
+        inputFormatters: twoDecimalDigitFormatter,
         validator: (value) {
           final defaultNumberValidatorResult = fieldValidator(value,
               isRequired: false, validator: ValidatorType.double);
diff --git a/lib/core/presentation/widgets/transaction_filter/filter_sheet_modal.dart b/lib/core/presentation/widgets/transaction_filter/filter_sheet_modal.dart
index 2be517f2..b7dd7750 100644
--- a/lib/core/presentation/widgets/transaction_filter/filter_sheet_modal.dart
+++ b/lib/core/presentation/widgets/transaction_filter/filter_sheet_modal.dart
@@ -383,7 +383,7 @@ class _FilterSheetModalState extends State<FilterSheetModal> {
                               autovalidateMode:
                                   AutovalidateMode.onUserInteraction,
                               textInputAction: TextInputAction.next,
-                              inputFormatters: decimalDigitFormatter,
+                              inputFormatters: twoDecimalDigitFormatter,
                               initialValue: (filtersToReturn.minValue ?? 0)
                                   .toStringAsFixed(2),
                               onChanged: (value) {
@@ -430,7 +430,7 @@ class _FilterSheetModalState extends State<FilterSheetModal> {
                               autovalidateMode:
                                   AutovalidateMode.onUserInteraction,
                               textInputAction: TextInputAction.next,
-                              inputFormatters: decimalDigitFormatter,
+                              inputFormatters: twoDecimalDigitFormatter,
                               initialValue:
                                   filtersToReturn.maxValue?.toStringAsFixed(2),
                               onChanged: (value) {
diff --git a/lib/core/utils/text_field_utils.dart b/lib/core/utils/text_field_utils.dart
index 4c4b50a6..b7f7fa39 100644
--- a/lib/core/utils/text_field_utils.dart
+++ b/lib/core/utils/text_field_utils.dart
@@ -1,11 +1,20 @@
 import 'package:flutter/services.dart';
 import 'package:monekin/i18n/translations.g.dart';
 
-/// A text input formatter that only allow two decimal places, replacing incorrect decimal symbols
-List<FilteringTextInputFormatter> get decimalDigitFormatter => [
-      FilteringTextInputFormatter.deny(',', replacementString: '.'),
-      FilteringTextInputFormatter.allow(RegExp(r'(^\d*\.?\d{0,2})')),
-    ];
+/// A text input formatter that allows up to two decimal places,
+/// replacing or disabling any invalid symbols
+List<FilteringTextInputFormatter> get twoDecimalDigitFormatter =>
+    decimalDigitFormatter(2);
+
+/// A text input formatter that allows up to N decimal places,
+/// replacing or disabling any invalid symbols
+List<FilteringTextInputFormatter> decimalDigitFormatter(int decimalPlaces) {
+  return [
+    FilteringTextInputFormatter.deny(',', replacementString: '.'),
+    FilteringTextInputFormatter.allow(
+        RegExp(r'(^\d*\.?\d{0,' + decimalPlaces.toString() + r'})')),
+  ];
+}
 
 enum ValidatorType {
   text,