TF-624 Check and get oidc configuration on browser

lib/features/login/presentation/base_login_view.dart

@@ -37,6 +37,8 @@ abstract class BaseLoginView extends GetWidget<LoginController> {
                 return AppLocalizations.of(context).requiredEmail;
               } else if (failure is LoginMissPasswordAction) {
                 return AppLocalizations.of(context).requiredPassword;
+              } else if (failure is LoginSSONotAvailableAction) {
+                return AppLocalizations.of(context).ssoNotAvailable;
               } else if (failure is GetOIDCConfigurationFailure
                 || failure is LoginCanNotVerifySSOConfigurationAction) {
                 return AppLocalizations.of(context).canNotVerifySSOConfiguration;

lib/features/login/presentation/login_controller.dart

@@ -123,6 +123,28 @@ class LoginController extends GetxController {
     }
   }
 
+  void handleSSOPressed() async {
+    final baseUri = _parseUri(AppConfig.baseUrl);
+
+    if (baseUri != null) {
+      log('LoginController::handleSSOPressed(): baseUri: ${baseUri.toString()}');
+      loginState.value = LoginState(Right(LoginLoadingAction()));
+      await _checkOIDCIsAvailableInteractor
+        .execute(OIDCRequest(baseUrl: baseUri.toString(), resourceUrl: baseUri.origin))
+        .then((response) => response.fold(
+          (failure) => loginState.value = LoginState(Left(LoginSSONotAvailableAction())),
+          (success) {
+            if (success is CheckOIDCIsAvailableSuccess) {
+              loginState.value = LoginState(Right(success));
+              _oidcResponse = success.oidcResponse;
+              _getOIDCConfiguration();
+            } else {
+              loginState.value = LoginState(Left(LoginSSONotAvailableAction()));
+            }
+          }));
+    }
+  }
+
   void _getOIDCConfiguration() async {
     loginState.value = LoginState(Right(LoginLoadingAction()));
     if (_oidcResponse != null) {

lib/features/login/presentation/login_view_web.dart

@@ -46,7 +46,8 @@ class LoginView extends BaseLoginView {
               ),
               Obx(() => buildLoginMessage(context, loginController.loginState.value)),
               buildInputCredentialForm(context),
-              buildLoginButton(context)
+              buildLoginButton(context),
+              buildSSOButton(context),
             ],
           )
         ),
@@ -161,7 +162,8 @@ class LoginView extends BaseLoginView {
                         ),
                         Obx(() => buildLoginMessage(context, loginController.loginState.value)),
                         buildInputCredentialForm(context),
-                        buildLoginButton(context)
+                        buildLoginButton(context),
+                        buildSSOButton(context),
                       ],
                     )
                   )
@@ -198,4 +200,28 @@ class LoginView extends BaseLoginView {
       ]
     );
   }
+
+  Widget buildSSOButton(BuildContext context) {
+    return Container(
+        margin:  const EdgeInsets.only(bottom: 16, left: 24, right: 24),
+        width: responsiveUtils.getDeviceWidth(context),height: 48,
+        child: ElevatedButton(
+            key: const Key('ssoSubmitForm'),
+            style: ButtonStyle(
+                foregroundColor: MaterialStateProperty.resolveWith<Color>((Set<MaterialState> states) => Colors.white),
+                backgroundColor: MaterialStateProperty.resolveWith<Color>((Set<MaterialState> states) => AppColor.textFieldErrorBorderColor),
+                shape: MaterialStateProperty.all(RoundedRectangleBorder(
+                    borderRadius: BorderRadius.circular(10),
+                    side: const BorderSide(width: 0, color: AppColor.textFieldErrorBorderColor)
+                ))
+            ),
+            child: Text(AppLocalizations.of(context).singleSignOn,
+                style: const TextStyle(fontSize: 16, color: Colors.white)
+            ),
+            onPressed: () {
+              loginController.handleSSOPressed();
+            }
+        )
+    );
+  }
 }

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

@@ -53,4 +53,9 @@ class LoginCanNotVerifySSOConfigurationAction extends Failure {
 class LoginCanNotGetTokenAction extends Failure {
   @override
   List<Object?> get props => [];
+}
+
+class LoginSSONotAvailableAction extends Failure {
+  @override
+  List<Object?> get props => [];
 }