Init login feature add presentation layer

lib/features/login/presentation/login_bindings.dart

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+import 'package:core/core.dart';
+import 'package:get/get.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:tmail_ui_user/features/login/data/datasource/atuthentitcation_datasource.dart';
+import 'package:tmail_ui_user/features/login/data/datasource_impl/authentication_datasource_impl.dart';
+import 'package:tmail_ui_user/features/login/data/network/login_api.dart';
+import 'package:tmail_ui_user/features/login/data/repository/authentication_repository_impl.dart';
+import 'package:tmail_ui_user/features/login/data/repository/credential_repository_impl.dart';
+import 'package:tmail_ui_user/features/login/domain/repository/authentication_repository.dart';
+import 'package:tmail_ui_user/features/login/domain/repository/credential_repository.dart';
+import 'package:tmail_ui_user/features/login/domain/usecases/authentication_user_interactor.dart';
+import 'package:tmail_ui_user/features/login/presentation/login_controller.dart';
+
+class LoginBindings extends Bindings {
+  @override
+  void dependencies() {
+    Get.lazyPut(() => AuthenticationDataSourceImpl(Get.find<LoginAPI>()));
+    Get.lazyPut<AuthenticationDataSource>(() => Get.find<AuthenticationDataSourceImpl>());
+
+    Get.lazyPut(() => CredentialRepositoryImpl(Get.find<SharedPreferences>()));
+    Get.lazyPut<CredentialRepository>(() => Get.find<CredentialRepositoryImpl>());
+
+    Get.lazyPut(() => AuthenticationRepositoryImpl(Get.find<AuthenticationDataSource>()));
+    Get.lazyPut<AuthenticationRepository>(() => Get.find<AuthenticationRepositoryImpl>());
+
+    Get.lazyPut(() => AuthenticationInteractor(Get.find<AuthenticationRepository>(), Get.find<CredentialRepository>()));
+
+    Get.lazyPut(() => LoginController(
+      Get.find<AuthenticationInteractor>(),
+      Get.find<DynamicUrlInterceptors>(),
+      Get.find<AuthorizationInterceptors>())
+    );
+  }
+}

lib/features/login/presentation/login_controller.dart

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+import 'package:core/core.dart';
+import 'package:dartz/dartz.dart';
+import 'package:get/get.dart';
+import 'package:model/model.dart';
+import 'package:tmail_ui_user/features/login/domain/state/authentication_user_state.dart';
+import 'package:tmail_ui_user/features/login/domain/usecases/authentication_user_interactor.dart';
+import 'package:tmail_ui_user/features/login/presentation/state/login_state.dart';
+import 'package:tmail_ui_user/main/routes/app_routes.dart';
+
+class LoginController extends GetxController {
+
+  final AuthenticationInteractor _authenticationInteractor;
+  final DynamicUrlInterceptors _dynamicUrlInterceptors;
+  final AuthorizationInterceptors _authorizationInterceptors;
+
+  LoginController(
+    this._authenticationInteractor,
+    this._dynamicUrlInterceptors,
+    this._authorizationInterceptors,
+  );
+
+  var loginState = LoginState(Right(LoginInitAction())).obs;
+
+  String? _urlText;
+  String? _userNameText;
+  String? _passwordText;
+
+  void setUrlText(String url) => _urlText = url.formatURLValid();
+
+  void setUserNameText(String userName) => _userNameText = userName;
+
+  void setPasswordText(String password) => _passwordText = password;
+
+  Uri? _parseUri(String? url) => url != null ? Uri.parse(url) : null;
+
+  UserName? _parseUserName(String? userName) => userName != null ? UserName(userName) : null;
+
+  Password? _parsePassword(String? password) => password != null ? Password(password) : null;
+
+  void handleLoginPressed() {
+    final baseUri = _parseUri(_urlText);
+    final userName = _parseUserName(_userNameText);
+    final password = _parsePassword(_passwordText);
+    if (baseUri != null && userName != null && password != null) {
+      _loginAction(baseUri, userName, password);
+    } else {
+      loginState.value = LoginState(Left(LoginMissPropertiesAction()));
+    }
+  }
+
+  void _loginAction(Uri baseUrl, UserName userName, Password password) async {
+    loginState.value = LoginState(Right(LoginLoadingAction()));
+    await _authenticationInteractor.execute(baseUrl, userName, password)
+      .then((response) => response.fold(
+        (failure) => failure is AuthenticationUserFailure ? _loginFailureAction(failure) : null,
+        (success) => success is AuthenticationUserViewState ? _loginSuccessAction(success) : null));
+  }
+
+  void _loginSuccessAction(AuthenticationUserViewState success) {
+    loginState.value = LoginState(Right(success));
+    _dynamicUrlInterceptors.changeBaseUrl(_urlText);
+    _authorizationInterceptors.changeAuthorization(_userNameText, _passwordText);
+    Get.offNamed(AppRoutes.MAILBOX);
+  }
+
+  void _loginFailureAction(AuthenticationUserFailure failure) {
+    loginState.value = LoginState(Left(failure));
+  }
+}

lib/features/login/presentation/login_view.dart

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+import 'package:core/core.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+import 'package:get/get.dart';
+import 'package:tmail_ui_user/features/login/domain/state/authentication_user_state.dart';
+import 'package:tmail_ui_user/features/login/presentation/login_controller.dart';
+import 'package:tmail_ui_user/features/login/presentation/state/login_state.dart';
+import 'package:tmail_ui_user/features/login/presentation/widgets/login_input_decoration_builder.dart';
+import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
+
+class LoginView extends GetWidget<LoginController> {
+
+  final loginController = Get.find<LoginController>();
+  final imagePaths = Get.find<ImagePaths>();
+  final responsiveUtils = Get.find<ResponsiveUtils>();
+  final keyboardUtils = Get.find<KeyboardUtils>();
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      resizeToAvoidBottomInset: false,
+      backgroundColor: AppColor.primaryLightColor,
+      body: GestureDetector(
+        onTap: () => FocusScope.of(context).unfocus(),
+        child: SafeArea(
+          child: Center(
+            child: SingleChildScrollView(
+              reverse: true,
+              child: Padding(
+                padding: EdgeInsets.only(bottom: MediaQuery.of(context).viewInsets.bottom),
+                child: Container(
+                  alignment: Alignment.center,
+                  padding: EdgeInsets.only(top: 40),
+                  child: Column(
+                    mainAxisAlignment: MainAxisAlignment.center,
+                    crossAxisAlignment: CrossAxisAlignment.center,
+                    children: [
+                      _buildSlogan(context),
+                      Obx(() => _buildLoginMessage(context, loginController.loginState.value)),
+                      _buildUrlInput(context),
+                      _buildUserNameInput(context),
+                      _buildPasswordInput(context),
+                      Obx(() => loginController.loginState.value.viewState.fold(
+                        (failure) => _buildLoginButton(context),
+                        (success) => success is LoginLoadingAction ? _buildLoadingCircularProgress() : _buildLoginButton(context))),
+                    ],
+                  ),
+                ),
+              )
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildSlogan(BuildContext context) {
+    return SloganBuilder()
+      .setSloganText(AppLocalizations.of(context).login_text_slogan)
+      .setSloganTextAlign(TextAlign.center)
+      .setSloganTextStyle(TextStyle(color: AppColor.primaryColor, fontSize: 16, fontWeight: FontWeight.w700))
+      .setLogo(imagePaths.icTMailLogo)
+      .build();
+  }
+
+  Widget _buildLoginMessage(BuildContext context, LoginState loginState) {
+    return Padding(
+      padding: EdgeInsets.only(bottom: 24, top: 60),
+      child: Container(
+        width: responsiveUtils.getWidthLoginTextField(context),
+        child: CenterTextBuilder()
+          .key(Key('login_message'))
+          .text(loginState.viewState.fold(
+            (failure) => failure is AuthenticationUserFailure
+              ? AppLocalizations.of(context).unknown_error_login_message
+              : AppLocalizations.of(context).login_text_login_to_continue,
+            (success) => AppLocalizations.of(context).login_text_login_to_continue))
+          .textStyle(TextStyle(
+            color: loginState.viewState.fold(
+              (failure) => failure is AuthenticationUserFailure
+                ? AppColor.textFieldErrorBorderColor
+                : AppColor.appColor,
+              (success) => AppColor.appColor)))
+          .build()
+      )
+    );
+  }
+
+  Widget _buildUrlInput(BuildContext context) {
+    return Padding(
+      padding: EdgeInsets.only(bottom: 16),
+      child: Container(
+        width: responsiveUtils.getWidthLoginTextField(context),
+        child: TextFieldBuilder()
+          .key(Key('login_url_input'))
+          .onChange((value) => loginController.setUrlText(value))
+          .textInputAction(TextInputAction.next)
+          .textDecoration(LoginInputDecorationBuilder()
+            .setLabelText(AppLocalizations.of(context).prefix_https)
+            .setPrefixText(AppLocalizations.of(context).prefix_https)
+            .build())
+          .build()));
+  }
+
+  Widget _buildUserNameInput(BuildContext context) {
+    return Padding(
+      padding: EdgeInsets.only(bottom: 16),
+      child: Container(
+        width: responsiveUtils.getWidthLoginTextField(context),
+        child: TextFieldBuilder()
+          .key(Key('login_username_input'))
+          .onChange((value) => loginController.setUserNameText(value))
+          .textInputAction(TextInputAction.next)
+          .textDecoration(LoginInputDecorationBuilder()
+            .setLabelText(AppLocalizations.of(context).username)
+            .setHintText(AppLocalizations.of(context).username)
+            .build())
+          .build()));
+  }
+
+  Widget _buildPasswordInput(BuildContext context) {
+    return Padding(
+      padding: EdgeInsets.only(bottom: 40),
+      child: Container(
+        width: responsiveUtils.getWidthLoginTextField(context),
+        child: TextFieldBuilder()
+          .key(Key('login_password_input'))
+          .obscureText(true)
+          .onChange((value) => loginController.setPasswordText(value))
+          .textInputAction(TextInputAction.done)
+          .textDecoration(LoginInputDecorationBuilder()
+            .setLabelText(AppLocalizations.of(context).password)
+            .setHintText(AppLocalizations.of(context).password)
+            .build())
+          .build()));
+  }
+
+  Widget _buildLoginButton(BuildContext context) {
+    return Padding(
+      padding: EdgeInsets.only(bottom: 16),
+      child: SizedBox(
+        key: Key('login_confirm_button'),
+        width: responsiveUtils.getWidthLoginButton(),
+        height: 48,
+        child: ElevatedButton(
+          style: ButtonStyle(
+            foregroundColor: MaterialStateProperty.resolveWith<Color>((Set<MaterialState> states) => Colors.white),
+            backgroundColor: MaterialStateProperty.resolveWith<Color>((Set<MaterialState> states) => AppColor.buttonColor),
+            shape: MaterialStateProperty.all(RoundedRectangleBorder(
+              borderRadius: BorderRadius.circular(80),
+              side: BorderSide(width: 0, color: AppColor.buttonColor)))),
+          child: Text(AppLocalizations.of(context).login, style: TextStyle(fontSize: 16, color: Colors.white)),
+          onPressed: () {
+            keyboardUtils.hideKeyboard(context);
+            loginController.handleLoginPressed();
+          }),
+      )
+    );
+  }
+
+  Widget _buildLoadingCircularProgress() {
+    return SizedBox(
+      key: Key('login_loading_icon'),
+      width: 40,
+      height: 40,
+      child: CircularProgressIndicator(color: AppColor.primaryColor));
+  }
+}

lib/features/login/presentation/state/login_state.dart

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+import 'package:core/core.dart';
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:dartz/dartz.dart';
+import 'package:flutter/material.dart';
+
+@immutable
+class LoginState extends AppState {
+  LoginState(Either<Failure, Success> viewState) : super(viewState);
+}
+
+@immutable
+class LoginLoadingAction extends ViewState {
+  @override
+  List<Object?> get props => [];
+}
+
+@immutable
+class LoginInitAction extends ViewState {
+  @override
+  List<Object?> get props => [];
+}
+
+@immutable
+class LoginMissPropertiesAction extends Failure {
+  @override
+  List<Object?> get props => [];
+}

lib/features/login/presentation/widgets/login_input_decoration_builder.dart

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+// LinShare is an open source filesharing software, part of the LinPKI software
+// suite, developed by Linagora.
+//
+// Copyright (C) 2020 LINAGORA
+//
+// This program is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Affero General Public License as published by the Free Software
+// Foundation, either version 3 of the License, or (at your option) any later version,
+// provided you comply with the Additional Terms applicable for LinShare software by
+// Linagora pursuant to Section 7 of the GNU Affero General Public License,
+// subsections (b), (c), and (e), pursuant to which you must notably (i) retain the
+// display in the interface of the “LinShare™” trademark/logo, the "Libre & Free" mention,
+// the words “You are using the Free and Open Source version of LinShare™, powered by
+// Linagora © 2009–2020. Contribute to Linshare R&D by subscribing to an Enterprise
+// offer!”. You must also retain the latter notice in all asynchronous messages such as
+// e-mails sent with the Program, (ii) retain all hypertext links between LinShare and
+// http://www.linshare.org, between linagora.com and Linagora, and (iii) refrain from
+// infringing Linagora intellectual property rights over its trademarks and commercial
+// brands. Other Additional Terms apply, see
+// <http://www.linshare.org/licenses/LinShare-License_AfferoGPL-v3.pdf
+//
+// for more details.
+// This program is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
+// more details.
+// You should have received a copy of the GNU Affero General Public License and its
+// applicable Additional Terms for LinShare along with this program. If not, see
+// <http://www.gnu.org/licenses
+// for the GNU Affero General Public License version
+//
+// 3 and <http://www.linshare.org/licenses/LinShare-License_AfferoGPL-v3.pdf
+// for
+//
+// the Additional Terms applicable to LinShare software.
+
+import 'package:core/core.dart';
+import 'package:flutter/material.dart';
+
+class LoginInputDecorationBuilder extends InputDecorationBuilder {
+
+  @override
+  InputDecoration build() {
+    return InputDecoration(
+      enabledBorder: enabledBorder ?? OutlineInputBorder(
+        borderRadius: BorderRadius.all(Radius.circular(29)),
+        borderSide: BorderSide(width: 1, color: AppColor.textFieldBorderColor)),
+      focusedBorder: enabledBorder ?? OutlineInputBorder(
+        borderRadius: BorderRadius.all(Radius.circular(29)),
+        borderSide: BorderSide(width: 2, color: AppColor.textFieldFocusedBorderColor)),
+      errorBorder: OutlineInputBorder(
+        borderRadius: BorderRadius.all(Radius.circular(29)),
+        borderSide: BorderSide(width: 1, color: AppColor.textFieldErrorBorderColor)),
+      prefixText: prefixText,
+      labelText: labelText,
+      floatingLabelBehavior: FloatingLabelBehavior.never,
+      labelStyle: labelStyle ?? TextStyle(color: AppColor.textFieldLabelColor, fontSize: 16),
+      hintText: hintText,
+      hintStyle: hintStyle ?? TextStyle(color: AppColor.textFieldHintColor, fontSize: 16),
+      contentPadding: contentPadding ?? EdgeInsets.only(left: 25, top: 15, bottom: 15, right: 25),
+      filled: true,
+      fillColor: AppColor.textFieldBorderColor);
+  }
+}