CAKE-92 | fixed templates saving bug on send and exchange pages; added comma for keyboard on templates pages; added fiat amount controller to send page; added crypto amount and fiat amount controllers to send template pages; added send template store to send view model; added updateTemplate(), addTemplate(), removeTemplate() to send view model and exchange view model; fixed remove template alert on send and exchange pages

lib/view_model/exchange/exchange_view_model.dart

@@ -27,10 +27,10 @@ class ExchangeViewModel = ExchangeViewModelBase with _$ExchangeViewModel;
 
 abstract class ExchangeViewModelBase with Store {
   ExchangeViewModelBase(
-      {this.wallet,
+      this.wallet,
       this.trades,
-      this.exchangeTemplateStore,
-      this.tradesStore}) {
+      this._exchangeTemplateStore,
+      this.tradesStore) {
     providerList = [
       XMRTOExchangeProvider(),
       ChangeNowExchangeProvider(),
@@ -54,7 +54,7 @@ abstract class ExchangeViewModelBase with Store {
 
   final WalletBase wallet;
   final Box<Trade> trades;
-  final ExchangeTemplateStore exchangeTemplateStore;
+  final ExchangeTemplateStore _exchangeTemplateStore;
   final TradesStore tradesStore;
 
   @observable
@@ -101,7 +101,7 @@ abstract class ExchangeViewModelBase with Store {
 
   @computed
   ObservableList<ExchangeTemplate> get templates =>
-      exchangeTemplateStore.templates;
+      _exchangeTemplateStore.templates;
 
   @action
   void changeProvider({ExchangeProvider provider}) {
@@ -267,6 +267,22 @@ abstract class ExchangeViewModelBase with Store {
     _onPairChange();
   }
 
+  void updateTemplate() => _exchangeTemplateStore.update();
+
+  void addTemplate({String amount, String depositCurrency, String receiveCurrency,
+    String provider, String depositAddress, String receiveAddress}) =>
+    _exchangeTemplateStore.addTemplate(
+      amount: amount,
+      depositCurrency: depositCurrency,
+      receiveCurrency: receiveCurrency,
+      provider: provider,
+      depositAddress: depositAddress,
+      receiveAddress: receiveAddress
+    );
+
+  void removeTemplate({ExchangeTemplate template}) =>
+    _exchangeTemplateStore.remove(template: template);
+
   List<ExchangeProvider> providersForCurrentPair() {
     return _providersForPair(from: depositCurrency, to: receiveCurrency);
   }

lib/view_model/send/send_view_model.dart

@@ -1,4 +1,6 @@
 import 'package:cake_wallet/entities/openalias_record.dart';
+import 'package:cake_wallet/entities/template.dart';
+import 'package:cake_wallet/store/templates/send_template_store.dart';
 import 'package:intl/intl.dart';
 import 'package:mobx/mobx.dart';
 import 'package:cake_wallet/core/template_validator.dart';
@@ -29,7 +31,8 @@ class SendViewModel = SendViewModelBase with _$SendViewModel;
 
 abstract class SendViewModelBase with Store {
   SendViewModelBase(
-      this._wallet, this._settingsStore, this._fiatConversationStore)
+      this._wallet, this._settingsStore, this._sendTemplateStore,
+      this._fiatConversationStore)
       : state = InitialExecutionState(),
         _cryptoNumberFormat = NumberFormat(),
         sendAll = false {
@@ -88,8 +91,12 @@ abstract class SendViewModelBase with Store {
   @computed
   bool get isReadyForSend => _wallet.syncStatus is SyncedSyncStatus;
 
+  @computed
+  ObservableList<Template> get templates => _sendTemplateStore.templates;
+
   final WalletBase _wallet;
   final SettingsStore _settingsStore;
+  final SendTemplateStore _sendTemplateStore;
   final FiatConversionStore _fiatConversationStore;
   final NumberFormat _cryptoNumberFormat;
 
@@ -219,4 +226,17 @@ abstract class SendViewModelBase with Store {
 
     _cryptoNumberFormat.maximumFractionDigits = maximumFractionDigits;
   }
+
+  void updateTemplate() => _sendTemplateStore.update();
+
+  void addTemplate({String name, String address, String cryptoCurrency,
+    String amount}) => _sendTemplateStore
+      .addTemplate(
+         name: name,
+         address: address,
+         cryptoCurrency: cryptoCurrency,
+         amount: amount);
+
+  void removeTemplate({Template template}) =>
+      _sendTemplateStore.remove(template: template);
 }