Сделано

devtools_options.yaml

@@ -0,0 +1,3 @@
+description: This file stores settings for Dart & Flutter DevTools.
+documentation: https://docs.flutter.dev/tools/devtools/extensions#configure-extension-enablement-states
+extensions:

lib/components/utils/debounce.dart

@@ -0,0 +1,20 @@
+import 'dart:async';
+import 'dart:ui';
+
+class Debounce {
+  factory Debounce() => _instance;
+
+  Debounce._();
+
+  static final Debounce _instance = Debounce._();
+
+  static Timer? _timer;
+
+  static void run(
+    VoidCallback action, {
+    Duration delay = const Duration(milliseconds: 500),
+  }) {
+    _timer?.cancel();
+    _timer = Timer(delay, action);
+  }
+}

lib/data/repositories/api_interface.dart

@@ -1,5 +1,7 @@
 import 'package:pmu_labs/domain/models/card.dart';
 
+typedef OnErrorCallback = void Function(String? error);
+
 abstract class ApiInterface{
   Future<List<CardData>?> loadData();
 }

lib/data/repositories/bosses_repository.dart

@@ -49,7 +49,7 @@ class BossesRepository extends ApiInterface {
   static const String _baseUrl = 'https://sekiro.fandom.com/ru/api.php';
 
   @override
-  Future<List<CardData>?> loadData({String? q}) async {
+  Future<List<CardData>?> loadData({OnErrorCallback? onError,String? q,}) async {
     try {
       String url = '';
       if(q != null && q != ""){
@@ -94,6 +94,7 @@ class BossesRepository extends ApiInterface {
       final List<CardData>? data = dto.data?.map((e) => e.toDomain()).toList();
       return data;
     } on DioException catch (e) {
+      onError?.call(e.error?.toString());
       return null;
     }
   }

lib/presentation/home_page/bloc/bloc.dart

@@ -10,7 +10,21 @@ class HomeBloc extends Bloc<HomeEvent, HomeState>{
     on<HomeLoadDataEvent>(_onLoadData);
   }
 
-  void _onLoadData(HomeLoadDataEvent event, Emitter<HomeState> emit){
-    emit(state.copyWith(data: rep.loadData()));
+  Future<void> _onLoadData(
+      HomeLoadDataEvent event, Emitter<HomeState> emit) async {
+    emit(state.copyWith(isLoading: true));
+
+    String? error;
+
+    final data = await rep.loadData(
+      q: event.search,
+      onError: (e) => error = e,
+    );
+
+    emit(state.copyWith(
+      isLoading: false,
+      data: data,
+      error: error,
+    ));
   }
 }

lib/presentation/home_page/bloc/events.dart

@@ -3,5 +3,7 @@ abstract class HomeEvent{
 }
 
 class HomeLoadDataEvent extends HomeEvent{
-  const HomeLoadDataEvent();
+  final String? search;
+
+  const HomeLoadDataEvent({this.search});
 }

lib/presentation/home_page/bloc/state.dart

@@ -2,12 +2,31 @@ import 'package:equatable/equatable.dart';
 import 'package:pmu_labs/domain/models/card.dart';
 
 class HomeState extends Equatable {
-  final Future<List<CardData>?>? data;
+  final List<CardData>? data;
+  final bool isLoading;
+  final String? error;
 
-  const HomeState({this.data});
+  const HomeState({
+    this.data,
+    this.isLoading = false,
+    this.error,
+  });
 
-  HomeState copyWith({Future<List<CardData>?>? data}) => HomeState(data:  data ?? this.data);
+  HomeState copyWith({
+    List<CardData>? data,
+    bool? isLoading,
+    String? error,
+  }) =>
+      HomeState(
+        data: data ?? this.data,
+        isLoading: isLoading ?? this.isLoading,
+        error: error ?? this.error,
+      );
 
   @override
-  List<Object?> get props => [data];
+  List<Object?> get props => [
+        data,
+        isLoading,
+        error,
+      ];
 }

lib/presentation/home_page/home_page.dart

@@ -1,8 +1,12 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
-import 'package:pmu_labs/data/repositories/bosses_repository.dart';
+import 'package:flutter_bloc/flutter_bloc.dart%20%20';
 import 'package:pmu_labs/presentation/details_page/details_page.dart';
+import 'package:pmu_labs/presentation/home_page/bloc/bloc.dart';
+import 'package:pmu_labs/presentation/home_page/bloc/events.dart';
+import 'package:pmu_labs/presentation/home_page/bloc/state.dart';
 
+import '../../components/utils/debounce.dart';
 import '../../domain/models/card.dart';
 
 part 'card.dart';
@@ -40,53 +44,77 @@ class Body extends StatefulWidget {
 
 class _BodyState extends State<Body> {
   final searchController = TextEditingController();
-  late Future<List<CardData>?> data;
-  final repo = BossesRepository();
+
   @override
   void initState() {
-    data = repo.loadData();
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      context.read<HomeBloc>().add(const HomeLoadDataEvent());
+    });
     super.initState();
   }
+
+  @override
+  void dispose() {
+    searchController.dispose();
+    super.dispose();
+  }
+
+  Future<void> _onRefresh() {
+    context
+        .read<HomeBloc>()
+        .add(HomeLoadDataEvent(search: searchController.text));
+    return Future.value(null);
+  }
+
   @override
   Widget build(BuildContext context) {
-    return Padding(
-        padding: EdgeInsets.only(top: MediaQuery.of(context).padding.top),
-        child: Column(children: [
+    return Column(
+      children: [
         Padding(
           padding: const EdgeInsets.all(12),
           child: CupertinoSearchTextField(
             controller: searchController,
-              onSubmitted: (search) {
-                setState(() {
-                  data = repo.loadData(q: search);
-                });
+            onChanged: (search ) {
+              Debounce.run(() => context
+                  .read<HomeBloc>()
+                  .add(HomeLoadDataEvent(search: search)));
             },
           ),
         ),
-          Expanded(
-            child: Center(
-              child: FutureBuilder<List<CardData>?>(
-                future: data,
-                builder: (context, snapshot) => SingleChildScrollView(
-                  child: snapshot.hasData
-                      ? Column(
-                    mainAxisAlignment: MainAxisAlignment.center,
-                    children: snapshot.data?.map((data) {
-                      return _Card.fromData(
+        BlocBuilder<HomeBloc, HomeState>(
+          builder: (context, state) => state.error != null
+              ? Text(
+                  state.error ?? '',
+                  style: Theme.of(context)
+                      .textTheme
+                      .headlineSmall
+                      ?.copyWith(color: Colors.red),
+                )
+              : state.isLoading
+                  ? const CircularProgressIndicator()
+                  : Expanded(
+                      child: RefreshIndicator(
+                        onRefresh: _onRefresh,
+                        child: ListView.builder(
+                          padding: EdgeInsets.zero,
+                          itemCount: state.data?.length ?? 0,
+                          itemBuilder: (context, index) {
+                            final data = state.data?[index];
+                            return data != null
+                                ? _Card.fromData(
                                     data,
                                     onLike: (String title, bool isLiked) =>
                                         _showSnackBar(context, title, isLiked),
                                     onTap: () => _navToDetails(context, data),
-                      );
-                    }).toList() ??
-                        [],
                                   )
-                      : const CircularProgressIndicator(),
+                                : const SizedBox.shrink();
+                          },
                         ),
                       ),
                     ),
         ),
-        ]));
+      ],
+    );
   }
 
   void _navToDetails(BuildContext context, CardData data) {