feature: added providers for the presentation layer (news feed feature)

lib/features/news_feed/presentation/providers/chosen_category_provider.dart

@@ -0,0 +1,14 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+class ChosenCategoryNotifier extends StateNotifier<String> {
+  ChosenCategoryNotifier(super.state);
+
+  void changeState(String value) {
+    state = value;
+  }
+}
+
+final chosenCategoryProvider =
+    StateNotifierProvider<ChosenCategoryNotifier, String>((ref) {
+  return ChosenCategoryNotifier("health");
+});

lib/features/news_feed/presentation/providers/news_feed_providers.dart

@@ -0,0 +1,58 @@
+import 'package:connectivity_plus/connectivity_plus.dart';
+import 'package:dartz/dartz.dart';
+import 'package:dio/dio.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:news_app/core/error/failures.dart';
+import 'package:news_app/core/platform/network_info.dart';
+import 'package:news_app/features/news_feed/data/data_sources/news_feed_remote_data_source.dart';
+import 'package:news_app/features/news_feed/data/repositories/news_feed_repository_impl.dart';
+import 'package:news_app/features/news_feed/domain/entities/news_feed_entity.dart';
+import 'package:news_app/features/news_feed/domain/repositories/news_feed_repository.dart';
+import 'package:news_app/features/news_feed/domain/use_cases/get_news_feed_for_a_category.dart';
+import 'package:news_app/features/news_feed/presentation/providers/chosen_category_provider.dart';
+
+// CORE - PLATFORM
+final connectivityProvider = Provider<Connectivity>((ref) {
+  return Connectivity();
+});
+
+final networkInfoProvider = Provider<NetworkInfo>((ref) {
+  final connectivity = ref.read(connectivityProvider);
+  return NetworkInfoImplementation(connectivity);
+});
+
+// DATA - DATA SOURCES
+final dioProvider = Provider<Dio>((ref) {
+  return Dio();
+});
+
+final remoteDataSourceProvider = Provider<NewsFeedRemoteDataSource>((ref) {
+  final dio = ref.read(dioProvider);
+  return NewsFeedRemoteDataSourceImpl(dio);
+});
+
+// DATA x DOMAIN - REPOSITORIES
+final repositoryProvider = Provider<NewsFeedRepository>((ref) {
+  final remoteDataSource = ref.read(remoteDataSourceProvider);
+  final networkInfo = ref.read(networkInfoProvider);
+  return NewsFeedRepositoryImpl(
+    networkInfo: networkInfo,
+    remoteDataSource: remoteDataSource,
+  );
+});
+
+// DOMAIN - USE CASES
+final useCaseProvider = Provider<GetNewsFeedForACategory>((ref) {
+  final repository = ref.read(repositoryProvider);
+  return GetNewsFeedForACategory(repository);
+});
+
+// PRESENTATION
+
+final newsFeedProvider = FutureProvider<Either<Failure, NewsFeedEntity>>((ref) {
+  final category = ref.read(chosenCategoryProvider);
+  final params = Params(
+    category: category,
+  );
+  return ref.read(useCaseProvider).call(params);
+});

pubspec.lock

@@ -270,6 +270,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.3"
+  flutter_riverpod:
+    dependency: "direct main"
+    description:
+      name: flutter_riverpod
+      sha256: fcea39b84b666649280f6f678bc0bb479253bf865abc0387a8b11dac6477bf92
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -464,6 +472,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.3"
+  riverpod:
+    dependency: transitive
+    description:
+      name: riverpod
+      sha256: ff676bd8a715c7085692fe4919564f78fb90d33b10a1c5c14e740581857cc914
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
   shelf:
     dependency: transitive
     description:
@@ -509,6 +525,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.11.0"
+  state_notifier:
+    dependency: transitive
+    description:
+      name: state_notifier
+      sha256: b8677376aa54f2d7c58280d5a007f9e8774f1968d1fb1c096adcb4792fba29bb
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   stream_channel:
     dependency: transitive
     description:

pubspec.yaml

@@ -43,6 +43,8 @@ dependencies:
   connectivity_plus: ^4.0.2
   # network requests
   dio: ^5.3.3
+  # state management
+  flutter_riverpod: ^2.4.0
 
 dev_dependencies:
   flutter_test: