[skip ci] rework UI for disable fiat mode

lib/core/backup_service.dart

@@ -214,6 +214,7 @@ class BackupService {
     final currentBitcoinElectrumSererId = data[PreferencesKey.currentBitcoinElectrumSererIdKey] as int?;
     final currentLanguageCode = data[PreferencesKey.currentLanguageCode] as String?;
     final displayActionListMode = data[PreferencesKey.displayActionListModeKey] as int?;
+    final fiatApiMode = data[PreferencesKey.currentFiatApiModeKey] as int?;
     final currentPinLength = data[PreferencesKey.currentPinLength] as int?;
     final currentTheme = data[PreferencesKey.currentTheme] as int?;
     final currentDefaultSettingsMigrationVersion = data[PreferencesKey.currentDefaultSettingsMigrationVersion] as int?;
@@ -266,6 +267,10 @@ class BackupService {
       await _sharedPreferences.setInt(PreferencesKey.displayActionListModeKey,
         displayActionListMode);
 
+    if (fiatApiMode != null)
+      await _sharedPreferences.setInt(PreferencesKey.currentFiatApiModeKey,
+          fiatApiMode);
+
     if (currentPinLength != null)
       await _sharedPreferences.setInt(PreferencesKey.currentPinLength,
         currentPinLength);
@@ -427,6 +432,8 @@ class BackupService {
           _sharedPreferences.getInt(PreferencesKey.bitcoinTransactionPriority),
       PreferencesKey.moneroTransactionPriority:
           _sharedPreferences.getInt(PreferencesKey.moneroTransactionPriority),
+      PreferencesKey.currentFiatApiModeKey:
+      _sharedPreferences.getInt(PreferencesKey.currentFiatApiModeKey),
     };
 
     return json.encode(preferences);

lib/entities/default_settings_migration.dart

@@ -20,6 +20,8 @@ import 'package:cake_wallet/exchange/trade.dart';
 import 'package:encrypt/encrypt.dart' as encrypt;
 import 'package:collection/collection.dart';
 
+import 'fiat_api_mode.dart';
+
 const newCakeWalletMoneroUri = 'xmr-node.cakewallet.com:18081';
 const cakeWalletBitcoinElectrumUri = 'electrum.cakewallet.com:50002';
 const cakeWalletLitecoinElectrumUri = 'ltc-electrum.cakewallet.com:50002';
@@ -61,7 +63,9 @@ Future defaultSettingsMigration(
           await sharedPreferences.setInt(
               PreferencesKey.currentBalanceDisplayModeKey,
               BalanceDisplayMode.availableBalance.raw);
-          await sharedPreferences.setBool('disable_fiat', false);
+          await sharedPreferences.setInt(
+              PreferencesKey.currentFiatApiModeKey,
+              FiatApiMode.enabled.raw);
           await sharedPreferences.setBool('save_recipient_address', true);
           await resetToDefault(nodes);
           await changeMoneroCurrentNodeToDefault(
@@ -140,6 +144,10 @@ Future defaultSettingsMigration(
           await addOnionNode(nodes);
           break;
 
+        case 19:
+          await updateFiatApiModes(sharedPreferences);
+          break;
+
         default:
           break;
       }
@@ -350,6 +358,14 @@ Future<void> updateDisplayModes(SharedPreferences sharedPreferences) async {
       PreferencesKey.currentBalanceDisplayModeKey, balanceDisplayMode);
 }
 
+Future<void> updateFiatApiModes(SharedPreferences sharedPreferences) async {
+  final currentFiatApiMode =
+      sharedPreferences.getInt(PreferencesKey.currentFiatApiModeKey) ?? -1;
+  final fiatApiMode = currentFiatApiMode < 1 ? 2 : 1;
+  await sharedPreferences.setInt(
+      PreferencesKey.currentFiatApiModeKey, fiatApiMode);
+}
+
 Future<void> generateBackupPassword(FlutterSecureStorage secureStorage) async {
   final key = generateStoreKeyFor(key: SecretStoreKey.backupPassword);
 

lib/entities/fiat_api_mode.dart

@@ -0,0 +1,39 @@
+import 'package:cake_wallet/generated/i18n.dart';
+import 'package:cw_core/enumerable_item.dart';
+
+class FiatApiMode extends EnumerableItem<int> with Serializable<int> {
+  const FiatApiMode({required String title, required int raw}) : super(title: title, raw: raw);
+
+  static const all = [FiatApiMode.enabled, FiatApiMode.torOnly, FiatApiMode.disabled];
+
+  static const enabled = FiatApiMode(raw: 0, title: 'Enabled');
+  static const torOnly = FiatApiMode(raw: 1, title: 'Tor only');
+  static const disabled = FiatApiMode(raw: 2, title: 'Disabled');
+
+  static FiatApiMode deserialize({required int raw}) {
+    switch (raw) {
+      case 0:
+        return enabled;
+      case 1:
+        return torOnly;
+      case 2:
+        return disabled;
+      default:
+        throw Exception('Unexpected token: $raw for FiatApiMode deserialize');
+    }
+  }
+
+  @override
+  String toString() {
+    switch (this) {
+      case FiatApiMode.enabled:
+        return 'enable';
+      case FiatApiMode.torOnly:
+        return 'torOnly';
+      case FiatApiMode.disabled:
+        return 'disable';
+      default:
+        return '';
+    }
+  }
+}

lib/entities/preferences_key.dart

@@ -9,7 +9,7 @@ class PreferencesKey {
   static const currentTransactionPriorityKeyLegacy = 'current_fee_priority';
   static const currentBalanceDisplayModeKey = 'current_balance_display_mode';
   static const shouldSaveRecipientAddressKey = 'save_recipient_address';
-  static const shouldDisableFiatKey = 'disable_fiat';
+  static const currentFiatApiModeKey = 'current_fiat_api_mode';
   static const allowBiometricalAuthenticationKey =
       'allow_biometrical_authentication';
   static const disableExchangeKey = 'disable_exchange';

lib/src/screens/send/widgets/send_card.dart

@@ -331,7 +331,7 @@ class SendCardState extends State<SendCard>
                             ],
                           ),
                         )),
-                    if (sendViewModel.balanceViewModel.disableFiat)
+                    if (!sendViewModel.balanceViewModel.disableFiat)
                     Padding(
                         padding: const EdgeInsets.only(top: 20),
                         child: BaseTextFormField(

lib/src/screens/settings/privacy_page.dart

@@ -1,9 +1,12 @@
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/src/screens/base_page.dart';
+import 'package:cake_wallet/src/screens/settings/widgets/settings_choices_cell.dart';
 import 'package:cake_wallet/src/screens/settings/widgets/settings_switcher_cell.dart';
 import 'package:cake_wallet/view_model/settings/privacy_settings_view_model.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
+import 'package:cake_wallet/view_model/settings/choices_list_item.dart';
+import 'package:cake_wallet/entities/fiat_api_mode.dart';
 
 class PrivacyPage extends BasePage {
   PrivacyPage(this._privacySettingsViewModel);
@@ -18,10 +21,17 @@ class PrivacyPage extends BasePage {
     return Container(
       padding: EdgeInsets.only(top: 10),
       child: Observer(builder: (_) {
-        return Observer(builder: (_) {
           return Column(
             mainAxisSize: MainAxisSize.min,
             children: [
+              SettingsChoicesCell(
+                ChoicesListItem<FiatApiMode>(
+                title: 'Fiat api',
+                items: FiatApiMode.all,
+                selectedItem: _privacySettingsViewModel.fiatApiMode,
+                onItemSelected: (FiatApiMode mode) => _privacySettingsViewModel.setFiatMode(mode),
+              ),
+            ),
               SettingsSwitcherCell(
                   title: S.current.disable_exchange,
                   value: _privacySettingsViewModel.disableExchange,
@@ -36,7 +46,6 @@ class PrivacyPage extends BasePage {
                   })
             ],
           );
-        });
       }),
     );
   }

lib/store/settings_store.dart

@@ -17,8 +17,10 @@ import 'package:cake_wallet/entities/fiat_currency.dart';
 import 'package:cw_core/node.dart';
 import 'package:cake_wallet/monero/monero.dart';
 import 'package:cake_wallet/entities/action_list_display_mode.dart';
+import 'package:cake_wallet/entities/fiat_api_mode.dart';
 import 'package:cake_wallet/.secrets.g.dart' as secrets;
 
+
 part 'settings_store.g.dart';
 
 class SettingsStore = SettingsStoreBase with _$SettingsStore;
@@ -29,7 +31,7 @@ abstract class SettingsStoreBase with Store {
       required FiatCurrency initialFiatCurrency,
       required BalanceDisplayMode initialBalanceDisplayMode,
       required bool initialSaveRecipientAddress,
-      required bool initialDisableFiat,
+      required FiatApiMode initialFiatMode,
       required bool initialAllowBiometricalAuthentication,
       required bool initialExchangeEnabled,
       required ThemeBase initialTheme,
@@ -48,7 +50,7 @@ abstract class SettingsStoreBase with Store {
     fiatCurrency = initialFiatCurrency,
     balanceDisplayMode = initialBalanceDisplayMode,
     shouldSaveRecipientAddress = initialSaveRecipientAddress,
-    shouldDisableFiat = initialDisableFiat,
+    fiatApiMode = initialFiatMode,
     allowBiometricalAuthentication = initialAllowBiometricalAuthentication,
     disableExchange = initialExchangeEnabled,
     currentTheme = initialTheme,
@@ -92,10 +94,9 @@ abstract class SettingsStoreBase with Store {
             shouldSaveRecipientAddress));
 
     reaction(
-            (_) => shouldDisableFiat,
+            (_) => fiatApiMode,
-            (bool shouldDisableFiat) => sharedPreferences.setBool(
+            (FiatApiMode mode) => sharedPreferences.setInt(
-            PreferencesKey.shouldDisableFiatKey,
+            PreferencesKey.currentFiatApiModeKey, mode.serialize()));
-            shouldDisableFiat));
 
     reaction(
         (_) => currentTheme,
@@ -148,10 +149,10 @@ abstract class SettingsStoreBase with Store {
   BalanceDisplayMode balanceDisplayMode;
 
   @observable
-  bool shouldSaveRecipientAddress;
+  FiatApiMode fiatApiMode;
 
   @observable
-  bool shouldDisableFiat;
+  bool shouldSaveRecipientAddress;
 
   @observable
   bool allowBiometricalAuthentication;
@@ -234,8 +235,9 @@ abstract class SettingsStoreBase with Store {
     // FIX-ME: Check for which default value we should have here
     final shouldSaveRecipientAddress =
         sharedPreferences.getBool(PreferencesKey.shouldSaveRecipientAddressKey) ?? false;
-    final shouldDisableFiat =
+    final currentFiatApiMode = FiatApiMode.deserialize(
-    sharedPreferences.getBool(PreferencesKey.shouldDisableFiatKey) ?? false;
+        raw: sharedPreferences
+            .getInt(PreferencesKey.currentFiatApiModeKey)!);
     final allowBiometricalAuthentication = sharedPreferences
             .getBool(PreferencesKey.allowBiometricalAuthenticationKey) ??
         false;
@@ -303,7 +305,7 @@ abstract class SettingsStoreBase with Store {
         initialFiatCurrency: currentFiatCurrency,
         initialBalanceDisplayMode: currentBalanceDisplayMode,
         initialSaveRecipientAddress: shouldSaveRecipientAddress,
-        initialDisableFiat: shouldDisableFiat,
+        initialFiatMode: currentFiatApiMode,
         initialAllowBiometricalAuthentication: allowBiometricalAuthentication,
         initialExchangeEnabled: disableExchange,
         initialTheme: savedTheme,

lib/view_model/dashboard/balance_view_model.dart

@@ -1,3 +1,4 @@
+import 'package:cake_wallet/entities/fiat_api_mode.dart';
 import 'package:cw_core/transaction_history.dart';
 import 'package:cw_core/wallet_base.dart';
 import 'package:cw_core/balance.dart';
@@ -10,7 +11,6 @@ import 'package:cake_wallet/entities/calculate_fiat_amount.dart';
 import 'package:cake_wallet/store/app_store.dart';
 import 'package:cake_wallet/store/settings_store.dart';
 import 'package:cake_wallet/store/dashboard/fiat_conversion_store.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:mobx/mobx.dart';
 
 part 'balance_view_model.g.dart';
@@ -72,7 +72,7 @@ abstract class BalanceViewModelBase with Store {
   BalanceDisplayMode get savedDisplayMode => settingsStore.balanceDisplayMode;
 
   @computed
-  bool get disableFiat => settingsStore.shouldDisableFiat;
+  bool get disableFiat => settingsStore.fiatApiMode == FiatApiMode.disabled;
 
   @computed
   String get asset {

lib/view_model/settings/privacy_settings_view_model.dart

@@ -1,5 +1,6 @@
 import 'package:cake_wallet/store/settings_store.dart';
 import 'package:mobx/mobx.dart';
+import 'package:cake_wallet/entities/fiat_api_mode.dart';
 
 part 'privacy_settings_view_model.g.dart';
 
@@ -16,9 +17,15 @@ abstract class PrivacySettingsViewModelBase with Store {
   @computed
   bool get shouldSaveRecipientAddress => _settingsStore.shouldSaveRecipientAddress;
 
+  @computed
+  FiatApiMode get fiatApiMode => _settingsStore.fiatApiMode;
+
   @action
   void setShouldSaveRecipientAddress(bool value) => _settingsStore.shouldSaveRecipientAddress = value;
 
   @action
   void setEnableExchange(bool value) => _settingsStore.disableExchange = value;
+
+  @action
+  void setFiatMode(FiatApiMode mode) => _settingsStore.fiatApiMode = mode;
 }