feat: implement login and verify otp page

Author: mahmoud-eslami

.gitignore

@@ -46,4 +46,6 @@ app.*.map.json
 /android/app/release
 
 
-.fvm/flutter_sdk
+.fvm/flutter_sdk
+
+*.env

lib/core/resources/enums/api_path_enums.dart

@@ -0,0 +1,11 @@
+enum ApiPath {
+  generateOtp("/auth/generate-otp"),
+  verifyOtp("/auth/verify-otp"),
+  refreshToken("/auth/refresh-token"),
+  googleAuth("/auth/google/login"),
+  googleAuthCallback("/auth/google/callback"),
+  ;
+
+  final String value;
+  const ApiPath(this.value);
+}

lib/core/router/router.dart

@@ -1,4 +1,6 @@
 import "package:flutter/material.dart";
+import "package:pomodore/features/authentication/views/login_page.dart";
+import "package:pomodore/features/authentication/views/verify_otp_page.dart";
 import "package:pomodore/features/habit_tracking/presentation/pages/add_habit_page.dart";
 import "package:pomodore/features/notification_management/presentation/pages/notifications_page.dart";
 import "package:pomodore/features/task_management/domain/entities/task_entity.dart";
@@ -13,6 +15,14 @@ import "../../features/configuration/presentation/pages/splash_page.dart";
 class AppRouter {
   static Route<dynamic> onGenerationRouter(RouteSettings routeSettings) {
     switch (routeSettings.name) {
+      case VerifyOtpPage.routeName:
+        return MaterialPageRoute(
+          builder: (context) => VerifyOtpPage(
+            email: routeSettings.arguments as String,
+          ),
+        );
+      case LoginPage.routeName:
+        return MaterialPageRoute(builder: (context) => const LoginPage());
       case BasePage.routeName:
         return MaterialPageRoute(builder: (context) => BasePage());
       case NotificationsPage.routeName:

lib/core/services/rest_api/rest_api.dart

@@ -0,0 +1,62 @@
+import "package:dio/dio.dart";
+import "package:flutter_dotenv/flutter_dotenv.dart";
+import "package:flutter_riverpod/flutter_riverpod.dart";
+import "package:riverpod_annotation/riverpod_annotation.dart";
+
+part "rest_api.g.dart";
+
+@riverpod
+RestApi restApi(Ref ref) {
+  final baseUrl = dotenv.env["API"] ?? "";
+  return RestApi(baseUrl);
+}
+
+class RestApi {
+  final Dio _dio;
+
+  RestApi(String baseUrl) : _dio = Dio(BaseOptions(baseUrl: baseUrl));
+
+  Future<Response<T>> get<T>(String endpoint,
+      {Map<String, dynamic>? queryParameters}) async {
+    try {
+      final response =
+          await _dio.get<T>(endpoint, queryParameters: queryParameters);
+      return response;
+    } on DioException catch (e) {
+      throw Exception("Failed to GET data: ${e.message}");
+    }
+  }
+
+  Future<Response<T>> post<T>(String endpoint,
+      {dynamic data, Map<String, dynamic>? queryParameters}) async {
+    try {
+      final response = await _dio.post<T>(endpoint,
+          data: data, queryParameters: queryParameters);
+      return response;
+    } on DioException catch (e) {
+      throw Exception("Failed to POST data: ${e.message}");
+    }
+  }
+
+  Future<Response<T>> put<T>(String endpoint,
+      {dynamic data, Map<String, dynamic>? queryParameters}) async {
+    try {
+      final response = await _dio.put<T>(endpoint,
+          data: data, queryParameters: queryParameters);
+      return response;
+    } on DioException catch (e) {
+      throw Exception("Failed to PUT data: ${e.message}");
+    }
+  }
+
+  Future<Response<T>> delete<T>(String endpoint,
+      {dynamic data, Map<String, dynamic>? queryParameters}) async {
+    try {
+      final response = await _dio.delete<T>(endpoint,
+          data: data, queryParameters: queryParameters);
+      return response;
+    } on DioException catch (e) {
+      throw Exception("Failed to DELETE data: ${e.message}");
+    }
+  }
+}

lib/core/services/rest_api/rest_api.g.dart

@@ -0,0 +1,10 @@
+import "package:flutter_riverpod/flutter_riverpod.dart";
+import "package:pomodore/features/authentication/authentication_repository.dart";
+import "package:riverpod_annotation/riverpod_annotation.dart";
+
+part "authentication_providers.g.dart";
+
+@riverpod
+FutureOr<void> generateOTP(Ref ref, String email) {
+  return ref.read(authenticationRepositoryProvider).generateOTP(email);
+}

lib/features/authentication/authentication_providers.dart

@@ -0,0 +1,20 @@
+import "package:flutter_riverpod/flutter_riverpod.dart";
+import "package:pomodore/core/services/rest_api/rest_api.dart";
+import "package:riverpod_annotation/riverpod_annotation.dart";
+part "authentication_repository.g.dart";
+
+@riverpod
+AuthenticationRepository authenticationRepository(Ref ref) {
+  return AuthenticationRepository(
+    restApi: ref.read(restApiProvider),
+  );
+}
+
+class AuthenticationRepository {
+  final RestApi restApi;
+
+  AuthenticationRepository({required this.restApi});
+
+  Future<void> generateOTP(String email) async {}
+  Future<void> verifyOTP(String email, String otp) async {}
+}