From 7ce30e08b0286b151bdec31c0a24b885787333ab Mon Sep 17 00:00:00 2001
From: OleksandrSobol <dr.alexander.sobol@gmail.com>
Date: Mon, 2 Nov 2020 13:33:45 +0200
Subject: [PATCH] CAKE-143 | added status parameter to
 exchange_view_model.dart; called alert when user tries exchange deposit xmr
 currency but wallet is not synchronized

---
 lib/src/screens/exchange/exchange_page.dart   | 38 ++++++++++++-------
 .../exchange/exchange_view_model.dart         |  4 ++
 2 files changed, 29 insertions(+), 13 deletions(-)

diff --git a/lib/src/screens/exchange/exchange_page.dart b/lib/src/screens/exchange/exchange_page.dart
index bc9accb14..4b0e0a21e 100644
--- a/lib/src/screens/exchange/exchange_page.dart
+++ b/lib/src/screens/exchange/exchange_page.dart
@@ -1,4 +1,5 @@
 import 'dart:ui';
+import 'package:cake_wallet/entities/sync_status.dart';
 import 'package:dotted_border/dotted_border.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
@@ -394,19 +395,30 @@ class ExchangePage extends BasePage {
                     }),
                   ),
                   Observer(
-                      builder: (_) => LoadingPrimaryButton(
-                            text: S.of(context).exchange,
-                            onPressed: () {
-                              if (_formKey.currentState.validate()) {
-                                exchangeViewModel.createTrade();
-                              }
-                            },
-                            color:
-                                Theme.of(context).accentTextTheme.body2.color,
-                            textColor: Colors.white,
-                            isLoading: exchangeViewModel.tradeState
-                                is TradeIsCreating,
-                          )),
+                    builder: (_) => LoadingPrimaryButton(
+                      text: S.of(context).exchange,
+                      onPressed: () {
+                        if (_formKey.currentState.validate()) {
+                          if ((exchangeViewModel.depositCurrency == CryptoCurrency.xmr)
+                          &&(!(exchangeViewModel.status is SyncedSyncStatus))) {
+                            showPopUp<void>(
+                              context: context,
+                              builder: (BuildContext context) {
+                                return AlertWithOneAction(
+                                  alertTitle: S.of(context).exchange,
+                                  alertContent: 'Please wait until your wallet is synchronized',
+                                  buttonText: S.of(context).ok,
+                                  buttonAction: () => Navigator.of(context).pop());
+                              });
+                          } else {
+                            exchangeViewModel.createTrade();
+                          }
+                        }
+                      },
+                      color: Theme.of(context).accentTextTheme.body2.color,
+                      textColor: Colors.white,
+                      isLoading: exchangeViewModel.tradeState
+                                 is TradeIsCreating)),
                 ]),
               )),
         ));
diff --git a/lib/view_model/exchange/exchange_view_model.dart b/lib/view_model/exchange/exchange_view_model.dart
index 2f8d28cd4..199ae016f 100644
--- a/lib/view_model/exchange/exchange_view_model.dart
+++ b/lib/view_model/exchange/exchange_view_model.dart
@@ -1,5 +1,6 @@
 import 'package:cake_wallet/core/wallet_base.dart';
 import 'package:cake_wallet/entities/crypto_currency.dart';
+import 'package:cake_wallet/entities/sync_status.dart';
 import 'package:cake_wallet/entities/wallet_type.dart';
 import 'package:cake_wallet/exchange/exchange_provider.dart';
 import 'package:cake_wallet/exchange/limits.dart';
@@ -100,6 +101,9 @@ abstract class ExchangeViewModelBase with Store {
 
   NumberFormat _cryptoNumberFormat;
 
+  @computed
+  SyncStatus get status => wallet.syncStatus;
+
   @computed
   ObservableList<ExchangeTemplate> get templates =>
       _exchangeTemplateStore.templates;