FEAT: adiciona o command ao login (#58)

lib/ui/login/view/login_view.dart

@@ -1,5 +1,6 @@
 import 'package:aranduapp/core/log/Log.dart';
 import 'package:aranduapp/ui/shared/TextAndLink.dart';
+import 'package:aranduapp/ui/shared/requestbutton.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
@@ -185,25 +186,22 @@ class _LoginScreenState extends State<LoginScreen> {
   Widget _loginButtonSection() {
     LoginViewModel viewModel = Provider.of<LoginViewModel>(context);
 
-    return SizedBox(
-      width: 291,
-      height: 64,
-      child: ElevatedButton(
-          onPressed: () {
-            viewModel.loginWithEmailAndPassword().then((_) {
-              viewModel.goToHome();
-            }).catchError((e) => showDialog<Object>(
-                  context: context,
-                  builder: (BuildContext context) =>
-                      ErrorPopUp(content: Text('$e')),
-                ));
-          },
-          child: Consumer<LoginViewModel>(
-            builder: (context, value, child) => value.isLoading
-                ? const CircularProgressIndicator(value: null)
-                : const Text('Entrar'),
-          )),
-    );
+    return Requestbutton(
+        command: viewModel.loginCommand,
+        onErrorCallback: (String e) {
+          showDialog<Object>(
+            context: context,
+            builder: (BuildContext context) => ErrorPopUp(content: Text(e)),
+          );
+        },
+        onSuccessCallback: () {
+          ScaffoldMessenger.of(context).showSnackBar(
+            const SnackBar(
+                content: Text(
+                    'Bem-vindo(a) a bordo! Seu login foi feito com sucesso!')),
+          );
+        },
+        nameButton: 'Entrar');
   }
 
   Widget _loggingInWithOther() {

lib/ui/login/viewModel/login_view_model.dart

@@ -1,12 +1,15 @@
 import 'package:aranduapp/core/log/Log.dart';
+import 'package:aranduapp/core/state/command.dart';
 import 'package:aranduapp/ui/navbar/view/navBarView.dart';
+import 'package:async/async.dart';
 import 'package:flutter/material.dart';
 import 'package:local_auth/local_auth.dart';
 import 'package:aranduapp/ui/login/service/LoginService.dart';
 import 'package:aranduapp/ui/login/model/LoginRequest.dart';
 
 class LoginViewModel extends ChangeNotifier {
   final BuildContext context;
+  late Command0<void> loginCommand;
 
   bool isLoading;
 
@@ -18,26 +21,28 @@ class LoginViewModel extends ChangeNotifier {
       : isLoading = false,
         formKey = GlobalKey<FormState>(),
         emailController = TextEditingController(),
-        passwordController = TextEditingController();
+        passwordController = TextEditingController() {
+    loginCommand = Command0<void>(loginWithEmailAndPassword);
+  }
 
-  Future<void> loginWithEmailAndPassword() async {
-    // TODO use mutex to make this
+  Future<Result<void>> loginWithEmailAndPassword() async {
     if (isLoading) {
-      return;
+      return Result.value(null);
     }
 
     try {
       isLoading = true;
-      super.notifyListeners();
+      notifyListeners();
 
       if (!formKey.currentState!.validate()) {
-        throw Exception('Valores inválidos');
+        return Result.error(Exception('Valores inválidos'));
       }
 
       await LoginService.login(
           LoginRequest(emailController.text, passwordController.text));
+      return Result.value(null);
     } catch (e) {
-      rethrow;
+      return Result.error(e);
     } finally {
       isLoading = false;
       notifyListeners();

test/ui/login/view/login_view_test.mocks.dart

@@ -8,6 +8,7 @@ import 'dart:async' as _i4;
 import 'package:aranduapp/ui/login/viewModel/login_view_model.dart' as _i3;
 import 'package:flutter/material.dart' as _i2;
 import 'package:mockito/mockito.dart' as _i1;
+import 'package:async/async.dart' as _i5;
 
 // ignore_for_file: type=lint
 // ignore_for_file: avoid_redundant_argument_values
@@ -134,14 +135,17 @@ class MockLoginViewModel extends _i1.Mock implements _i3.LoginViewModel {
       ) as bool);
 
   @override
-  _i4.Future<void> loginWithEmailAndPassword() => (super.noSuchMethod(
+  _i4.Future<_i5.Result<void>> loginWithEmailAndPassword() =>
+      (super.noSuchMethod(
         Invocation.method(
           #loginWithEmailAndPassword,
           [],
         ),
-        returnValue: _i4.Future<void>.value(),
-        returnValueForMissingStub: _i4.Future<void>.value(),
-      ) as _i4.Future<void>);
+        returnValue:
+            _i4.Future<_i5.Result<void>>.value(_i5.Result<void>.value(null)),
+        returnValueForMissingStub:
+            _i4.Future<_i5.Result<void>>.value(_i5.Result<void>.value(null)),
+      ) as _i4.Future<_i5.Result<void>>);
 
   @override
   _i4.Future<void> validateToken() => (super.noSuchMethod(