Add ionia sign in.

lib/di.dart

@@ -705,9 +705,9 @@ Future setup(
 
   getIt.registerFactoryParam<IoniaVerifyIoniaOtp, List, void>((List args, _) {
     final email = args.first as String;
-    final ioniaAuthViewModel = args[1] as IoniaAuthViewModel;
+    final isSignIn = args[1] as bool;
 
-    return IoniaVerifyIoniaOtp(ioniaAuthViewModel, email);
+    return IoniaVerifyIoniaOtp(getIt.get<IoniaAuthViewModel>(), email, isSignIn);
   });
 
   getIt.registerFactory(() => IoniaWelcomePage(getIt.get<IoniaGiftCardsListViewModel>()));

lib/ionia/ionia_api.dart

@@ -13,6 +13,7 @@ class IoniaApi {
 	static const pathPrefix = 'cake';
 	static final createUserUri = Uri.https(baseUri, '/$pathPrefix/CreateUser');
 	static final verifyEmailUri = Uri.https(baseUri, '/$pathPrefix/VerifyEmail');
+	static final signInUri = Uri.https(baseUri, '/$pathPrefix/SignIn');
 	static final createCardUri = Uri.https(baseUri, '/$pathPrefix/CreateCard');
 	static final getCardsUri = Uri.https(baseUri, '/$pathPrefix/GetCards');
 	static final getMerchantsUrl = Uri.https(baseUri, '/$pathPrefix/GetMerchants');
@@ -51,11 +52,13 @@ class IoniaApi {
 
 	Future<IoniaUserCredentials> verifyEmail({
 		@required String username,
+		@required String email,
 		@required String code,
 		@required String clientId}) async {
 		final headers = <String, String>{
 			'clientId': clientId,
-			'username': username};
+			'username': username,
+			'EmailAddress': email};
 		final query = <String, String>{'verificationCode': code};
 		final uri = verifyEmailUri.replace(queryParameters: query);
 		final response = await put(uri, headers: headers);
@@ -70,13 +73,38 @@ class IoniaApi {
 		final isSuccessful = bodyJson['Successful'] as bool;
 
 		if (!isSuccessful) {
-			throw Exception(data['ErrorMessage'] as String);
+			throw Exception(bodyJson['ErrorMessage'] as String);
 		}
 		
 		final password = data['password'] as String;
+		username = data['username'] as String;
 		return IoniaUserCredentials(username, password);
 	}
 
+	// Sign In
+
+	Future<String> signIn(String email, {@required String clientId}) async {
+		final headers = <String, String>{'clientId': clientId};
+		final query = <String, String>{'emailAddress': email};
+		final uri = signInUri.replace(queryParameters: query);
+		final response = await put(uri, headers: headers);
+		
+		if (response.statusCode != 200) {
+			// throw exception
+			return null;
+		}
+
+		final bodyJson = json.decode(response.body) as Map<String, Object>;
+		final data = bodyJson['Data'] as Map<String, Object>;
+		final isSuccessful = bodyJson['Successful'] as bool;
+
+		if (!isSuccessful) {
+			throw Exception(data['ErrorMessage'] as String);
+		}
+
+		return data['username'] as String;
+	}
+
 	// Get virtual card
 
 	Future<IoniaVirtualCard> getCards({

lib/ionia/ionia_create_state.dart

@@ -3,6 +3,8 @@ import 'package:flutter/material.dart';
 
 abstract class IoniaCreateAccountState {}
 
+class IoniaInitialCreateState extends IoniaCreateAccountState {}
+
 class IoniaCreateStateSuccess extends IoniaCreateAccountState {}
 
 class IoniaCreateStateLoading extends IoniaCreateAccountState {}

lib/ionia/ionia_service.dart

@@ -32,8 +32,18 @@ class IoniaService {
 
 	Future<void> verifyEmail(String code) async {
 		final username = await secureStorage.read(key: ioniaUsernameStorageKey);
-		final credentials = await ioniaApi.verifyEmail(username: username, code: code, clientId: clientId);
+		final email = await secureStorage.read(key: ioniaEmailStorageKey);
+		final credentials = await ioniaApi.verifyEmail(email: email, username: username, code: code, clientId: clientId);
 		await secureStorage.write(key: ioniaPasswordStorageKey, value: credentials.password);
+		await secureStorage.write(key: ioniaUsernameStorageKey, value: credentials.username);
+	}
+
+	// Sign In
+
+	Future<void> signIn(String email) async {
+		final username = await ioniaApi.signIn(email, clientId: clientId);
+		await secureStorage.write(key: ioniaEmailStorageKey, value: email);
+		await secureStorage.write(key: ioniaUsernameStorageKey, value: username);
 	}
 
 	Future<String> getUserEmail() async {

lib/src/screens/ionia/auth/ionia_create_account_page.dart

@@ -149,6 +149,6 @@ class IoniaCreateAccountPage extends BasePage {
   void _onCreateSuccessful(BuildContext context, IoniaAuthViewModel authViewModel) => Navigator.pushNamed(
         context,
         Routes.ioniaVerifyIoniaOtpPage,
-        arguments: [authViewModel.email, authViewModel],
+        arguments: [authViewModel.email, false],
       );
 }

lib/src/screens/ionia/auth/ionia_login_page.dart

@@ -43,7 +43,7 @@ class IoniaLoginPage extends BasePage {
 
   @override
   Widget body(BuildContext context) {
-    reaction((_) => _authViewModel.createUserState, (IoniaCreateAccountState state) {
+    reaction((_) => _authViewModel.signInState, (IoniaCreateAccountState state) {
       if (state is IoniaCreateStateFailure) {
         _onLoginUserFailure(context, state.error);
       }
@@ -75,9 +75,9 @@ class IoniaLoginPage extends BasePage {
                     if (!_formKey.currentState.validate()) {
                       return;
                     }
-                    await _authViewModel.createUser(_emailController.text);
+                    await _authViewModel.signIn(_emailController.text);
                   },
-                  isLoading: _authViewModel.createUserState is IoniaCreateStateLoading,
+                  isLoading: _authViewModel.signInState is IoniaCreateStateLoading,
                   color: Theme.of(context).accentTextTheme.body2.color,
                   textColor: Colors.white,
                 ),
@@ -107,6 +107,6 @@ class IoniaLoginPage extends BasePage {
   void _onLoginSuccessful(BuildContext context, IoniaAuthViewModel authViewModel) => Navigator.pushNamed(
         context,
         Routes.ioniaVerifyIoniaOtpPage,
-        arguments: [authViewModel.email, authViewModel],
+        arguments: [authViewModel.email, true],
       );
 }

lib/src/screens/ionia/auth/ionia_verify_otp_page.dart

@@ -17,7 +17,7 @@ import 'package:keyboard_actions/keyboard_actions.dart';
 import 'package:mobx/mobx.dart';
 
 class IoniaVerifyIoniaOtp extends BasePage {
-  IoniaVerifyIoniaOtp(this._authViewModel, this._email)
+  IoniaVerifyIoniaOtp(this._authViewModel, this._email, this.isSignIn)
       : _codeController = TextEditingController(),
         _codeFocus = FocusNode() {
     _codeController.addListener(() {
@@ -32,6 +32,7 @@ class IoniaVerifyIoniaOtp extends BasePage {
   }
 
   final IoniaAuthViewModel _authViewModel;
+  final bool isSignIn;
 
   final String _email;
 
@@ -94,7 +95,9 @@ class IoniaVerifyIoniaOtp extends BasePage {
                   Text(S.of(context).dont_get_code),
                   SizedBox(width: 20),
                   InkWell(
-                    onTap: () => _authViewModel.createUser(_email),
+                    onTap: () => isSignIn
+                      ? _authViewModel.signIn(_email)
+                      : _authViewModel.createUser(_email),
                     child: Text(
                       S.of(context).resend_code,
                       style: textSmallSemiBold(color: Palette.blueCraiola),

lib/view_model/ionia/ionia_auth_view_model.dart

@@ -9,17 +9,18 @@ class IoniaAuthViewModel  = IoniaAuthViewModelBase with _$IoniaAuthViewModel;
 abstract class IoniaAuthViewModelBase with Store {
 
   IoniaAuthViewModelBase({this.ioniaService}):
-  createUserState = IoniaCreateStateSuccess(),
+    createUserState = IoniaInitialCreateState(),
-        otpState = IoniaOtpSendDisabled(){
+    signInState = IoniaInitialCreateState(),
-    
+    otpState = IoniaOtpSendDisabled();
-
-  }
 
   final IoniaService ioniaService;
 
   @observable
   IoniaCreateAccountState createUserState;
 
+  @observable
+  IoniaCreateAccountState signInState;
+
   @observable
   IoniaOtpState otpState;
 
@@ -42,14 +43,25 @@ abstract class IoniaAuthViewModelBase with Store {
 
   @action
   Future<void> createUser(String email) async {
-    createUserState = IoniaCreateStateLoading();
     try {
+      createUserState = IoniaCreateStateLoading();
       await ioniaService.createUser(email);
-
       createUserState = IoniaCreateStateSuccess();
-    } on Exception catch (e) {
+    } catch (e) {
       createUserState = IoniaCreateStateFailure(error: e.toString());
     }
   }
 
+
+  @action
+  Future<void> signIn(String email) async {
+    try {
+      signInState = IoniaCreateStateLoading();
+      await ioniaService.signIn(email);
+      signInState = IoniaCreateStateSuccess();
+    } catch (e) {
+      signInState = IoniaCreateStateFailure(error: e.toString());
+    }
+  }
+
 }