sendflow service integrated into flow

src/js/controllers/walletSelectorController.js

@@ -191,6 +191,7 @@ angular.module('copayApp.controllers').controller('walletSelectorController', fu
   };
 
   $scope.goBack = function() {
+    sendFlowService.previousState();
     $ionicHistory.goBack();
   }
 

src/js/services/sendFlowService.js

@@ -4,13 +4,15 @@ angular.module('copayApp.services').factory('sendFlowService', function ($log) {
   var vm = this;
 
   vm.amount = false;
+
   vm.fromWalletId = false;
+  vm.previousStates = [];
   vm.thirdParty = false;
   vm.sendMax = false;
   vm.toAddress = false;
   vm.toWalletId = false;
 
-  vm.initialize = function() {
+  vm.clear = function() {
     $log.debug("Reinitialize Send Flow variables");
     vm.amount = false;
     vm.fromWalletId = false;
@@ -18,13 +20,28 @@ angular.module('copayApp.services').factory('sendFlowService', function ($log) {
     vm.sendMax = false;
     vm.toAddress = false;
     vm.toWalletId = false;
+    vm.previousStates = [];
   };
 
   vm.map = function(params) {
+
+    var tempState = {};
+    Object.keys(vm).map(function(key, index) {
+      if (typeof vm[key] !== 'function' && key !== 'previousStates') {
+        tempState[key] = vm[key];
+      }
+    });
+    vm.previousStates.push(tempState);
+
     Object.keys(params).map(function(key, index) {
       vm[key] = params[key];
     });
-    console.log(vm);
+  };
+
+  vm.previousState = function() {
+    if (vm.previousStates.length) {
+      vm.map(vm.previousStates.pop());
+    }
   };
 
   return vm;