remove post cubit and flutter bloc from bond

lib/features/main/routes.dart

@@ -2,11 +2,8 @@ library main_routes;
 
 import 'package:bond/features/main/presentation/main_page.dart';
 import 'package:bond/features/more/presentation/more_page.dart';
-import 'package:bond_core/bond_core.dart';
-import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:go_router/go_router.dart';
 
-import '../post/presentations/cubit/post_cubit.dart';
 import '../post/presentations/posts_page.dart';
 
 final mainRoutes = [
@@ -19,14 +16,7 @@ final mainRoutes = [
         routes: [
           GoRoute(
             path: '/home',
-            builder: (context, state) => MultiBlocProvider(
-              providers: [
-                BlocProvider<PostCubit>(
-                  create: (context) => sl<PostCubit>()..loadAllPosts(),
-                ),
-              ],
-              child: const PostsPage(),
-            ),
+            builder: (context, state) => const PostsPage(),
           ),
         ],
       ),

lib/features/post/post_service_provider.dart

@@ -3,13 +3,11 @@ import 'package:get_it/get_it.dart';
 
 import 'data/api.dart';
 import 'data/models/post.dart';
-import 'presentations/cubit/post_cubit.dart';
 
 class PostServiceProvider extends ServiceProvider with ResponseDecoding {
   @override
   Future<void> register(GetIt it) async {
     it.registerFactory(() => PostsApi(it()));
-    it.registerFactory(() => PostCubit(it()));
   }
 
   @override

lib/features/post/presentations/posts_page.dart

@@ -1,22 +1,23 @@
+import 'package:bond/features/post/presentations/providers/posts_provider.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
 
-import 'cubit/post_cubit.dart';
 import 'views/home_app_bar.dart';
 import 'views/post_item.dart';
 
-class PostsPage extends StatelessWidget {
+class PostsPage extends ConsumerWidget {
   const PostsPage({Key? key}) : super(key: key);
 
   @override
-  Widget build(BuildContext context) {
-    final postCubit = context.watch<PostCubit>();
+  Widget build(BuildContext context, WidgetRef ref) {
+    final postsState = ref.watch(postsProvider);
+    final postsController = ref.read(postsProvider.notifier);
     return Scaffold(
       appBar: const HomeAppBar(),
-      body: postCubit.state.when(
-        initial: () => const Center(child: CircularProgressIndicator()),
-        success: (posts, loading) => SingleChildScrollView(
-          controller: postCubit.scrollController,
+      body: postsState.when(
+        loading: () => const Center(child: CircularProgressIndicator()),
+        data: (posts) => SingleChildScrollView(
+          controller: postsController.scrollController,
           child: Column(
             children: [
               GridView.count(
@@ -27,16 +28,16 @@ class PostsPage extends StatelessWidget {
                 childAspectRatio: 0.6,
                 mainAxisSpacing: 6.0,
                 crossAxisSpacing: 6.0,
-                children: posts.map((post) {
+                children: posts.data.data.map((post) {
                   return PostItem(post: post);
                 }).toList(),
               ),
-              if (loading) const CircularProgressIndicator.adaptive(),
+              if (posts.isLoading) const CircularProgressIndicator.adaptive(),
             ],
           ),
         ),
-        failed: (error) => Center(
-          child: Text(error),
+        error: (error, _) => Center(
+          child: Text(error.toString()),
         ),
       ),
     );

lib/features/post/presentations/cubit/post_state.dart → lib/features/post/presentations/providers/list_state.dart

@@ -1,4 +1,7 @@
-part of 'post_cubit.dart';
+// extract to bond network package
+import 'package:bond_network/bond_network.dart';
+import 'package:equatable/equatable.dart';
+import 'package:flutter/widgets.dart';
 
 enum ListStatus { initial, loading, success, failed }
 
@@ -11,12 +14,20 @@ class ListState<T extends Model> extends Equatable {
 
   final String? error;
 
+  bool get isLoading => status == ListStatus.loading;
+
   factory ListState.initial() => ListState<T>(
         ListResponse<T>(data: List<T>.empty(growable: true)),
         ListStatus.initial,
         null,
       );
 
+  factory ListState.data(ListResponse<T> data) => ListState<T>(
+        data,
+        ListStatus.success,
+        null,
+      );
+
   ListState<T> loading() => copyWith(status: ListStatus.loading);
 
   ListState<T> success(ListResponse<T> newData) => copyWith(

lib/features/post/presentations/providers/posts_provider.dart

@@ -0,0 +1,55 @@
+import 'package:bond/features/post/data/api.dart';
+import 'package:bond/features/post/data/models/post.dart';
+import 'package:bond_core/bond_core.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import 'list_state.dart';
+
+final postsProvider =
+    AsyncNotifierProvider.autoDispose<PostController, ListState<Post>>(
+  () {
+    final scrollController = ScrollController();
+
+    return PostController(sl(), scrollController);
+  },
+);
+
+class PostController extends AutoDisposeAsyncNotifier<ListState<Post>> {
+  PostController(this._api, this.scrollController) : super() {
+    scrollController.addListener(_scrollControllerListener);
+    ref.onDispose(
+      () {
+        scrollController.dispose();
+        scrollController.removeListener(_scrollControllerListener);
+      },
+    );
+  }
+
+  final PostsApi _api;
+  final ScrollController scrollController;
+
+  @override
+  Future<ListState<Post>> build() async {
+    final response = await _api.posts();
+    return ListState.data(response);
+  }
+
+  void loadMore() async {
+    state = AsyncData(state.requireValue.loading());
+    state = await AsyncValue.guard(() async {
+      final response = await _api.posts();
+      return state.requireValue.success(response);
+    });
+  }
+
+  void _scrollControllerListener() {
+    final maxScroll = scrollController.position.maxScrollExtent;
+    final currentScroll = scrollController.position.pixels;
+    const delta = 200.0;
+    if (maxScroll - currentScroll <= delta &&
+        state.value?.status != ListStatus.loading) {
+      loadMore();
+    }
+  }
+}

pubspec.lock

@@ -49,14 +49,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.11.0"
-  bloc:
-    dependency: "direct main"
-    description:
-      name: bloc
-      sha256: "106842ad6569f0b60297619e9e0b1885c2fb9bf84812935490e6c5275777804e"
-      url: "https://pub.dev"
-    source: hosted
-    version: "8.1.4"
   bond_app_analytics:
     dependency: "direct main"
     description:
@@ -478,14 +470,6 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  flutter_bloc:
-    dependency: "direct main"
-    description:
-      name: flutter_bloc
-      sha256: f0ecf6e6eb955193ca60af2d5ca39565a86b8a142452c5b24d96fb477428f4d2
-      url: "https://pub.dev"
-    source: hosted
-    version: "8.1.5"
   flutter_launcher_icons:
     dependency: "direct dev"
     description:
@@ -829,14 +813,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.4"
-  nested:
-    dependency: transitive
-    description:
-      name: nested
-      sha256: "03bac4c528c64c95c722ec99280375a6f2fc708eec17c7b3f07253b626cd2a20"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.0.0"
   open_store:
     dependency: "direct main"
     description:
@@ -997,14 +973,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.2.4"
-  provider:
-    dependency: transitive
-    description:
-      name: provider
-      sha256: c8a055ee5ce3fd98d6fc872478b03823ffdb448699c6ebdbbc71d59b596fd48c
-      url: "https://pub.dev"
-    source: hosted
-    version: "6.1.2"
   pub_semver:
     dependency: transitive
     description:

pubspec.yaml

@@ -41,8 +41,6 @@ dependencies:
   google_fonts: ^5.0.0
 
   # state management
-  bloc: ^8.0.2
-  flutter_bloc: ^8.0.1
   flutter_riverpod: ^2.5.1
   equatable: ^2.0.5