add authentication logic

lib/core/email_validator.dart

@@ -0,0 +1,11 @@
+import 'package:cake_wallet/core/validator.dart';
+import 'package:cake_wallet/generated/i18n.dart';
+
+class EmailValidator extends TextValidator {
+  EmailValidator()
+      : super(
+          errorMessage: 'Invalid email address',
+          pattern:
+              '^[^@]+@[^@]+\.[^@]+',
+        );
+}

lib/di.dart

@@ -1,6 +1,8 @@
 import 'package:cake_wallet/core/yat_service.dart';
 import 'package:cake_wallet/entities/parse_address_from_domain.dart';
 import 'package:cake_wallet/entities/wake_lock.dart';
+import 'package:cake_wallet/ionia/ionia.dart';
+import 'package:cake_wallet/ionia/ionia_api.dart';
 import 'package:cake_wallet/monero/monero.dart';
 import 'package:cake_wallet/haven/haven.dart';
 import 'package:cake_wallet/haven/haven.dart';
@@ -8,8 +10,10 @@ import 'package:cake_wallet/bitcoin/bitcoin.dart';
 import 'package:cake_wallet/src/screens/cake_pay/auth/create_account_page.dart';
 import 'package:cake_wallet/src/screens/cake_pay/auth/forgot_password_page.dart';
 import 'package:cake_wallet/src/screens/cake_pay/auth/login_page.dart';
+import 'package:cake_wallet/src/screens/cake_pay/auth/verify_otp_page.dart';
 import 'package:cake_wallet/src/screens/cake_pay/cake_pay.dart';
 import 'package:cake_wallet/src/screens/dashboard/widgets/balance_page.dart';
+import 'package:cake_wallet/view_model/ionia/ionia_view_model.dart';
 import 'package:cw_core/unspent_coins_info.dart';
 import 'package:cake_wallet/core/backup_service.dart';
 import 'package:cw_core/wallet_service.dart';
@@ -645,13 +649,23 @@ Future setup(
 
   getIt.registerFactory(() => AddressResolver(yatService: getIt.get<YatService>()));
   
-  getIt.registerFactory(() => WelcomePage());
-
-  getIt.registerFactory(() => LoginPage());
-
-  getIt.registerFactory(() => CreateAccountPage());
-
   getIt.registerFactory(() => ForgotPassword());
 
+  getIt.registerFactory(() => IoniaApi());
+
+  getIt.registerFactory<IoniaService>(
+      () => IoniaService(getIt.get<FlutterSecureStorage>(), getIt.get<IoniaApi>()));
+
+  getIt.registerFactory(() => IoniaViewModel(ioniaService: getIt.get<IoniaService>()));
+
+  getIt.registerFactory(() => CreateAccountPage(getIt.get<IoniaViewModel>()));
+
+  getIt.registerFactory(() => LoginPage(getIt.get<IoniaViewModel>()));
+
+  getIt.registerFactory(() => VerifyIoniaOtp(getIt.get<IoniaViewModel>()));
+
+  getIt.registerFactory(() => WelcomePage(getIt.get<IoniaViewModel>()));
+
+
   _isSetupFinished = true;
 }

lib/ionia/ionia_create_state.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+abstract class IoniaCreateState {}
+
+class IoniaCreateStateSuccess extends IoniaCreateState {}
+
+class IoniaCreateStateLoading extends IoniaCreateState {}
+
+class IoniaCreateStateFailure extends IoniaCreateState {
+  IoniaCreateStateFailure({@required this.error});
+
+  final String error;
+}
+
+abstract class IoniaOtpState {}
+
+class IoniaOtpValidating extends IoniaOtpState {}
+
+class IoniaOtpSuccess extends IoniaOtpState {}
+
+class IoniaOtpSendDisabled extends IoniaOtpState {}
+
+class IoniaOtpSendEnabled extends IoniaOtpState {}
+
+class IoniaOtpFailure extends IoniaOtpState {
+  IoniaOtpFailure({@required this.error});
+
+  final String error;
+}

lib/router.dart

@@ -8,6 +8,7 @@ import 'package:cake_wallet/src/screens/buy/pre_order_page.dart';
 import 'package:cake_wallet/src/screens/cake_pay/auth/create_account_page.dart';
 import 'package:cake_wallet/src/screens/cake_pay/auth/forgot_password_page.dart';
 import 'package:cake_wallet/src/screens/cake_pay/auth/login_page.dart';
+import 'package:cake_wallet/src/screens/cake_pay/auth/verify_otp_page.dart';
 import 'package:cake_wallet/src/screens/cake_pay/cake_pay.dart';
 import 'package:cake_wallet/src/screens/order_details/order_details_page.dart';
 import 'package:cake_wallet/src/screens/pin_code/pin_code_widget.dart';
@@ -417,6 +418,9 @@ Route<dynamic> createRoute(RouteSettings settings) {
 
     case Routes.cakePayForgotPasswordPage:
       return CupertinoPageRoute<void>(builder: (_) => getIt.get<ForgotPassword>());
+    
+    case Routes.verifyIoniaOtpPage:
+    return CupertinoPageRoute<void>(builder: (_) => getIt.get<VerifyIoniaOtp>());
 
     default:
       return MaterialPageRoute<void>(

lib/routes.dart

@@ -64,4 +64,5 @@ class Routes {
   static const cakePayCreateAccountPage = '/cake_pay_create_account_page';
   static const cakePayLoginPage = '/cake_pay_login_page';
   static const cakePayForgotPasswordPage = '/cake_pay_forgot_password_page';
+  static const verifyIoniaOtpPage = '/cake_pay_verify_otp_page';
 }

lib/src/screens/cake_pay/auth/create_account_page.dart

@@ -1,15 +1,34 @@
+import 'package:cake_wallet/core/email_validator.dart';
+import 'package:cake_wallet/ionia/ionia_create_state.dart';
+import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/src/screens/base_page.dart';
+import 'package:cake_wallet/src/widgets/alert_with_one_action.dart';
 import 'package:cake_wallet/src/widgets/base_text_form_field.dart';
 import 'package:cake_wallet/src/widgets/primary_button.dart';
 import 'package:cake_wallet/src/widgets/scollable_with_bottom_section.dart';
+import 'package:cake_wallet/utils/show_pop_up.dart';
+import 'package:cake_wallet/view_model/ionia/ionia_view_model.dart';
 import 'package:flutter/material.dart';
 import 'package:cake_wallet/generated/i18n.dart';
+import 'package:flutter_mobx/flutter_mobx.dart';
+import 'package:mobx/mobx.dart';
 
 class CreateAccountPage extends BasePage {
-  CreateAccountPage() : _formKey = GlobalKey<FormState>();
+  final IoniaViewModel _ioniaViewModel;
+
+  CreateAccountPage(this._ioniaViewModel)
+      : _emailFocus = FocusNode(),
+        _emailController = TextEditingController(),
+        _formKey = GlobalKey<FormState>() {
+    _emailController.text = _ioniaViewModel.email;
+    _emailController.addListener(() => _ioniaViewModel.email = _emailController.text);
+  }
 
   final GlobalKey<FormState> _formKey;
 
+  final FocusNode _emailFocus;
+  final TextEditingController _emailController;
+
   @override
   Widget middle(BuildContext context) {
     return Text(
@@ -24,21 +43,24 @@ class CreateAccountPage extends BasePage {
 
   @override
   Widget body(BuildContext context) {
+    reaction((_) => _ioniaViewModel.createUserState, (IoniaCreateState state) {
+      if (state is IoniaCreateStateFailure) {
+        _onCreateUserFailure(context, state.error);
+      }
+      if (state is IoniaCreateStateSuccess) {
+        _onCreateSuccessful(context);
+      }
+    });
+
     return ScrollableWithBottomSection(
       contentPadding: EdgeInsets.all(24),
       content: Form(
         key: _formKey,
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: <Widget>[
-            BaseTextFormField(
-              hintText: 'Email Address *',
-            ),
-            SizedBox(height: 20),
-            BaseTextFormField(
-              hintText: 'Password *',
-            ),
-          ],
+        child: BaseTextFormField(
+          hintText: 'Email Address',
+          focusNode: _emailFocus,
+          validator: EmailValidator(),
+          controller: _emailController,
         ),
       ),
       bottomSectionPadding: EdgeInsets.symmetric(vertical: 36, horizontal: 24),
@@ -47,11 +69,19 @@ class CreateAccountPage extends BasePage {
           Column(
             mainAxisAlignment: MainAxisAlignment.end,
             children: <Widget>[
-              PrimaryButton(
-                text: S.of(context).create_account,
-                onPressed: () {},
-                color: Theme.of(context).accentTextTheme.body2.color,
-                textColor: Colors.white,
+              Observer(
+                builder: (_) => LoadingPrimaryButton(
+                  text: S.of(context).create_account,
+                  onPressed: () async {
+                    if (!_formKey.currentState.validate()) {
+                      return;
+                    }
+                    await _ioniaViewModel.createUser(_emailController.text);
+                  },
+                  isLoading: _ioniaViewModel.createUserState is IoniaCreateStateLoading,
+                  color: Theme.of(context).accentTextTheme.body2.color,
+                  textColor: Colors.white,
+                ),
               ),
               SizedBox(
                 height: 20,
@@ -92,3 +122,17 @@ class CreateAccountPage extends BasePage {
     );
   }
 }
+
+void _onCreateUserFailure(BuildContext context, String error) {
+  showPopUp<void>(
+      context: context,
+      builder: (BuildContext context) {
+        return AlertWithOneAction(
+            alertTitle: S.current.create_account,
+            alertContent: error,
+            buttonText: S.of(context).ok,
+            buttonAction: () => Navigator.of(context).pop());
+      });
+}
+
+void _onCreateSuccessful(BuildContext context) => Navigator.pushNamed(context, Routes.verifyIoniaOtpPage);

lib/src/screens/cake_pay/auth/login_page.dart

@@ -1,19 +1,36 @@
+import 'package:cake_wallet/core/email_validator.dart';
+import 'package:cake_wallet/ionia/ionia_create_state.dart';
 import 'package:cake_wallet/palette.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/src/screens/base_page.dart';
+import 'package:cake_wallet/src/widgets/alert_with_one_action.dart';
 import 'package:cake_wallet/src/widgets/base_text_form_field.dart';
 import 'package:cake_wallet/src/widgets/primary_button.dart';
 import 'package:cake_wallet/src/widgets/scollable_with_bottom_section.dart';
+import 'package:cake_wallet/utils/show_pop_up.dart';
+import 'package:cake_wallet/view_model/ionia/ionia_view_model.dart';
 import 'package:flutter/material.dart';
 import 'package:cake_wallet/generated/i18n.dart';
+import 'package:flutter_mobx/flutter_mobx.dart';
+import 'package:mobx/mobx.dart';
 
 class LoginPage extends BasePage {
-  LoginPage() : _formKey = GlobalKey<FormState>();
+  final IoniaViewModel _ioniaViewModel;
+  LoginPage(this._ioniaViewModel)
+      : _formKey = GlobalKey<FormState>(),
+        _emailFocus = FocusNode(),
+        _emailController = TextEditingController() {
+    _emailController.text = _ioniaViewModel.email;
+    _emailController.addListener(() => _ioniaViewModel.email = _emailController.text);
+  }
 
   final GlobalKey<FormState> _formKey;
   @override
   Color get titleColor => Colors.black;
 
+  final FocusNode _emailFocus;
+  final TextEditingController _emailController;
+
   @override
   Widget middle(BuildContext context) {
     return Text(
@@ -28,21 +45,22 @@ class LoginPage extends BasePage {
 
   @override
   Widget body(BuildContext context) {
+    reaction((_) => _ioniaViewModel.createUserState, (IoniaCreateState state) {
+      if (state is IoniaCreateStateFailure) {
+        _onLoginUserFailure(context, state.error);
+      }
+      if (state is IoniaCreateStateSuccess) {
+        _onLoginSuccessful(context);
+      }
+    });
     return ScrollableWithBottomSection(
       contentPadding: EdgeInsets.all(24),
       content: Form(
         key: _formKey,
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: <Widget>[
-            BaseTextFormField(
-              hintText: 'Email Address',
-            ),
-            SizedBox(height: 20),
-            BaseTextFormField(
-              hintText: 'Password',
-            ),
-          ],
+        child: BaseTextFormField(
+          hintText: 'Email Address',
+          validator: EmailValidator(),
+          controller: _emailController,
         ),
       ),
       bottomSectionPadding: EdgeInsets.symmetric(vertical: 36, horizontal: 24),
@@ -51,11 +69,19 @@ class LoginPage extends BasePage {
           Column(
             mainAxisAlignment: MainAxisAlignment.end,
             children: <Widget>[
-              PrimaryButton(
-                text: S.of(context).login,
-                onPressed: () {},
-                color: Theme.of(context).accentTextTheme.body2.color,
-                textColor: Colors.white,
+              Observer(
+                builder: (_) => LoadingPrimaryButton(
+                  text: S.of(context).login,
+                  onPressed: () async {
+                    if (!_formKey.currentState.validate()) {
+                      return;
+                    }
+                    await _ioniaViewModel.createUser(_emailController.text);
+                  },
+                  isLoading: _ioniaViewModel.createUserState is IoniaCreateStateLoading,
+                  color: Theme.of(context).accentTextTheme.body2.color,
+                  textColor: Colors.white,
+                ),
               ),
               SizedBox(
                 height: 20,
@@ -78,3 +104,17 @@ class LoginPage extends BasePage {
     );
   }
 }
+
+void _onLoginUserFailure(BuildContext context, String error) {
+  showPopUp<void>(
+      context: context,
+      builder: (BuildContext context) {
+        return AlertWithOneAction(
+            alertTitle: S.current.login,
+            alertContent: error,
+            buttonText: S.of(context).ok,
+            buttonAction: () => Navigator.of(context).pop());
+      });
+}
+
+void _onLoginSuccessful(BuildContext context) => Navigator.pushNamed(context, Routes.verifyIoniaOtpPage);

lib/src/screens/cake_pay/auth/verify_otp_page.dart

@@ -0,0 +1,103 @@
+import 'package:cake_wallet/ionia/ionia_create_state.dart';
+import 'package:cake_wallet/palette.dart';
+import 'package:cake_wallet/src/screens/base_page.dart';
+import 'package:cake_wallet/src/widgets/base_text_form_field.dart';
+import 'package:cake_wallet/src/widgets/primary_button.dart';
+import 'package:cake_wallet/src/widgets/scollable_with_bottom_section.dart';
+import 'package:cake_wallet/view_model/ionia/ionia_view_model.dart';
+import 'package:flutter/material.dart';
+import 'package:cake_wallet/generated/i18n.dart';
+import 'package:flutter_mobx/flutter_mobx.dart';
+
+class VerifyIoniaOtp extends BasePage {
+  final IoniaViewModel _ioniaViewModel;
+
+  VerifyIoniaOtp(this._ioniaViewModel)
+      : _codeController = TextEditingController(),
+        _codeFocus = FocusNode() {
+    _codeController.addListener(() {
+      final otp = _codeController.text;
+      _ioniaViewModel.otp = otp;
+      if (otp.length > 3) {
+        _ioniaViewModel.otpState = IoniaOtpSendEnabled();
+      } else {
+        _ioniaViewModel.otpState = IoniaOtpSendDisabled();
+      }
+    });
+  }
+
+  @override
+  Widget middle(BuildContext context) {
+    return Text(
+      S.current.verification,
+      style: TextStyle(
+        fontSize: 22,
+        fontFamily: 'Lato',
+        fontWeight: FontWeight.w900,
+      ),
+    );
+  }
+
+  final TextEditingController _codeController;
+  final FocusNode _codeFocus;
+
+  @override
+  Widget body(BuildContext context) {
+    return ScrollableWithBottomSection(
+      contentPadding: EdgeInsets.all(24),
+      content: Column(
+        children: [
+          BaseTextFormField(
+            hintText: 'Enter code',
+            focusNode: _codeFocus,
+            controller: _codeController,
+          ),
+          SizedBox(height: 14),
+          Text(
+            S.of(context).fill_code,
+            style: TextStyle(color: Color(0xff7A93BA), fontSize: 12),
+          ),
+          SizedBox(height: 34),
+          Row(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              Text(S.of(context).dont_get_code),
+              SizedBox(width: 20),
+              Text(
+                S.of(context).resend_code,
+                style: TextStyle(
+                  color: Palette.blueCraiola,
+                  fontSize: 14,
+                  fontWeight: FontWeight.w400,
+                ),
+              ),
+            ],
+          ),
+        ],
+      ),
+      bottomSectionPadding: EdgeInsets.symmetric(vertical: 36, horizontal: 24),
+      bottomSection: Column(
+        children: [
+          Column(
+            mainAxisAlignment: MainAxisAlignment.end,
+            children: <Widget>[
+              Observer(
+                builder: (_) => LoadingPrimaryButton(
+                  text: S.of(context).continue_text,
+                  onPressed: () async => await _ioniaViewModel.verifyEmail(_codeController.text),
+                  isDisabled: _ioniaViewModel.otpState is IoniaOtpSendDisabled,
+                  isLoading: _ioniaViewModel.otpState is IoniaOtpValidating,
+                  color: Theme.of(context).accentTextTheme.body2.color,
+                  textColor: Colors.white,
+                ),
+              ),
+              SizedBox(
+                height: 20,
+              ),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/src/screens/cake_pay/auth/welcome_page.dart

@@ -2,11 +2,17 @@ import 'package:cake_wallet/palette.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/src/screens/base_page.dart';
 import 'package:cake_wallet/src/widgets/primary_button.dart';
+import 'package:cake_wallet/view_model/ionia/ionia_view_model.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/src/widgets/framework.dart';
 import 'package:cake_wallet/generated/i18n.dart';
+import 'package:mobx/mobx.dart';
 
 class WelcomePage extends BasePage {
+  final IoniaViewModel _ioniaViewModel;
+
+  WelcomePage(this._ioniaViewModel);
+
   @override
   Color get titleColor => Colors.black;
 
@@ -24,6 +30,11 @@ class WelcomePage extends BasePage {
 
   @override
   Widget body(BuildContext context) {
+    reaction((_) => _ioniaViewModel.isLoggedIn, (bool state) {
+      if (state) {
+        // TODO:: Navigate to main page
+      }
+    });
     return Padding(
       padding: const EdgeInsets.all(24.0),
       child: Column(

lib/view_model/ionia/ionia_view_model.dart

@@ -0,0 +1,58 @@
+import 'package:cake_wallet/ionia/ionia.dart';
+import 'package:cake_wallet/ionia/ionia_create_state.dart';
+import 'package:mobx/mobx.dart';
+part 'ionia_view_model.g.dart';
+
+class IoniaViewModel = IoniaViewModelBase with _$IoniaViewModel;
+
+abstract class IoniaViewModelBase with Store {
+  IoniaViewModelBase({this.ioniaService})
+      : createUserState = IoniaCreateStateSuccess(),
+        otpState = IoniaOtpSendDisabled() {
+    _getAuthStatus().then((value) => isLoggedIn = value);
+  }
+
+  final IoniaService ioniaService;
+
+  @observable
+  IoniaCreateState createUserState;
+
+  @observable
+  IoniaOtpState otpState;
+
+  @observable
+  String email;
+
+  @observable
+  String otp;
+
+  @observable
+  bool isLoggedIn;
+
+  @action
+  Future<void> createUser(String email) async {
+    createUserState = IoniaCreateStateLoading();
+    try {
+      await ioniaService.createUser(email);
+
+      createUserState = IoniaCreateStateSuccess();
+    } catch (e) {
+      createUserState = IoniaCreateStateFailure(error: 'Something went wrong!');
+    }
+  }
+
+  @action
+  Future<void> verifyEmail(String code) async {
+    try {
+      otpState = IoniaOtpValidating();
+      await ioniaService.verifyEmail(code);
+      otpState = IoniaOtpSuccess();
+    } catch (_) {
+      otpState = IoniaOtpFailure(error: 'Invalid OTP. Try again');
+    }
+  }
+
+  Future<bool> _getAuthStatus() async {
+    return await ioniaService.isLogined();
+  }
+}

res/values/strings_en.arb

@@ -546,5 +546,9 @@
   "manage_cards": "Manage Cards",
   "setup_your_debit_card": "Set up your debit card",
   "no_id_required": "No ID required. Top up and spend anywhere",
-  "how_to_use_card": "How to use this card"
+  "how_to_use_card": "How to use this card",
+  "verification": "Verification",
+  "fill_code": "Please fill in the verification code provided to your email",
+  "dont_get_code": "Don't get code",
+  "resend_code": "Please resend it"
 }