forked from eatvio/eatvio_app
549 lines
19 KiB
Dart
549 lines
19 KiB
Dart
import 'package:easy_debounce/easy_debounce.dart';
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import 'package:eatvio_app/features/create_diet/presentation/create_diet_screen.dart';
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import 'package:eatvio_app/core/widgets/loader.dart';
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import 'package:eatvio_app/features/create_plan/presentation/create_plan_screen.dart';
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import 'package:eatvio_app/features/feed/presentation/bloc/diets_cubit/diets_cubit.dart';
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import 'package:eatvio_app/features/feed/presentation/bloc/diets_cubit/diets_state.dart';
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import 'package:eatvio_app/features/feed/presentation/bloc/feed_cubit/feed_cubit.dart';
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import 'package:eatvio_app/features/feed/presentation/bloc/feed_cubit/feed_state.dart';
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import 'package:eatvio_app/features/feed/presentation/bloc/recipes_cubit/recipes_cubit.dart';
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import 'package:eatvio_app/features/feed/presentation/bloc/recipes_cubit/recipes_state.dart';
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import 'package:eatvio_app/features/feed/presentation/widgets/blog_post_widget.dart';
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import 'package:eatvio_app/features/feed/presentation/widgets/choice_chip_widget.dart';
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import 'package:eatvio_app/features/feed/presentation/widgets/diet_filter_bottom_sheet.dart';
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import 'package:eatvio_app/features/feed/presentation/widgets/diets_widget.dart';
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import 'package:eatvio_app/features/feed/presentation/widgets/filter_badge.dart';
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import 'package:eatvio_app/features/feed/presentation/widgets/plan_widget.dart';
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import 'package:eatvio_app/features/feed/presentation/widgets/recipes_widget.dart';
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import 'package:eatvio_app/features/feed/presentation/widgets/tags_modal_widget.dart';
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import 'package:eatvio_app/features/plans/presentation/bloc/plans_cubit/plans_cubit.dart';
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import 'package:eatvio_app/features/plans/presentation/bloc/plans_cubit/plans_state.dart';
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import 'package:eatvio_app/core/locator_service.dart';
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import 'package:eatvio_app/core/theme/theme_helper.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:go_router/go_router.dart';
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final bucket = PageStorageBucket();
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class FeedScreen extends StatefulWidget {
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const FeedScreen({super.key});
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@override
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State<FeedScreen> createState() => _FeedScreenState();
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}
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class _FeedScreenState extends State<FeedScreen> {
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final FeedCubit feedCubit = sl<FeedCubit>();
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final RecipesCubit recipesCubit = sl<RecipesCubit>()..loadRecipesList();
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final DietsCubit dietsCubit = sl<DietsCubit>()..loadDiets();
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final PlansCubit plansCubit = sl<PlansCubit>()..loadPlans();
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final searchController = TextEditingController();
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final List<String> chipsLabelList = ['Все', 'Рецепты', 'Диеты', 'Планы питания', 'Консультанты'];
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int _selectedChipIndex = 0;
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final blogPostsScrollController = ScrollController();
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final recipesScrollController = ScrollController();
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final dietsScrollController = ScrollController();
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final plansScrollController = ScrollController();
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@override
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void initState() {
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feedCubit.loadFeedBlogPostList();
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blogPostsScrollController.addListener(_onScrollBlogPosts);
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recipesScrollController.addListener(_onScrollRecipes);
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dietsScrollController.addListener(_onScrollDiets);
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plansScrollController.addListener(_onScrollPlans);
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super.initState();
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}
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_onScrollBlogPosts() {
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if (blogPostsScrollController.offset >= blogPostsScrollController.position.maxScrollExtent && !blogPostsScrollController.position.outOfRange) {
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feedCubit.loadNextPage();
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}
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}
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_onScrollRecipes() {
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if (recipesScrollController.offset >= recipesScrollController.position.maxScrollExtent && !recipesScrollController.position.outOfRange) {
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recipesCubit.loadNextPage();
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}
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}
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_onScrollDiets() {
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if (dietsScrollController.offset >= dietsScrollController.position.maxScrollExtent && !dietsScrollController.position.outOfRange) {
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dietsCubit.loadNextPage();
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}
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}
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_onScrollPlans() {
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if (plansScrollController.offset >= plansScrollController.position.maxScrollExtent && !plansScrollController.position.outOfRange) {
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// plansCubit.loadNextPage();
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}
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}
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@override
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void dispose() {
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blogPostsScrollController.dispose();
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recipesScrollController.dispose();
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dietsScrollController.dispose();
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plansScrollController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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floatingActionButton: _selectedChipIndex == 1
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? FloatingActionButton.small(
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heroTag: 'recipesTagsFilter',
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backgroundColor: appTheme.blueA400,
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shape: CircleBorder(),
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child: Icon(
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Icons.filter_list_rounded,
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color: Colors.white,
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),
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onPressed: () async {
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await showModalBottomSheet(
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useRootNavigator: true,
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context: context,
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builder: (context) => TagsModalWidget(
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recipesCubit: recipesCubit,
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),
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);
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recipesCubit.loadRecipesList();
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},
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)
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: null,
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appBar: AppBar(
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backgroundColor: Colors.white,
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toolbarHeight: 0,
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),
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backgroundColor: Colors.grey.shade200,
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body: NestedScrollView(
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controller: _selectedChipIndex == 0
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? blogPostsScrollController
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: _selectedChipIndex == 1
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? recipesScrollController
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: dietsScrollController,
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headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
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return [
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SliverAppBar(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.vertical(bottom: Radius.circular(12)),
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),
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backgroundColor: Colors.white,
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foregroundColor: Colors.white,
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automaticallyImplyLeading: false,
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stretchTriggerOffset: 1,
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floating: true,
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snap: true,
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scrolledUnderElevation: 0,
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bottom: _chipGroup(),
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title: Row(
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children: [
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_searchBar(),
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SizedBox(width: 12),
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_addItemButton(feedCubit),
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],
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),
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),
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];
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},
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body: Builder(
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builder: (BuildContext context) {
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if (_selectedChipIndex == 0) {
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return _buildAllBlogPosts();
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} else if (_selectedChipIndex == 1) {
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return _buildAllRecipes();
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} else if (_selectedChipIndex == 2) {
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return _buildDiets();
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} else if (_selectedChipIndex == 3) {
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return _buildPlans();
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} else {
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return Center(child: Text(chipsLabelList[_selectedChipIndex]));
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}
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},
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),
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),
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);
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}
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_buildAllBlogPosts() {
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return BlocProvider<FeedCubit>(
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create: (context) => feedCubit,
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child: RefreshIndicator(
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onRefresh: () => feedCubit.loadFeedBlogPostList(),
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child: BlocBuilder<FeedCubit, FeedState>(
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builder: (BuildContext context, FeedState state) {
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if (state is FeedStateLoaded) {
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return ListView.separated(
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padding: EdgeInsets.symmetric(vertical: 8),
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shrinkWrap: true,
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physics: BouncingScrollPhysics(),
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itemBuilder: (context, index) {
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if (index == state.feedBlogPostList.length) {
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return const Loader();
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}
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return BlogPostWidget(index: index);
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},
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separatorBuilder: (context, index) {
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return SizedBox(height: 8);
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},
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itemCount: state.isLoading ? state.feedBlogPostList.length + 1 : state.feedBlogPostList.length,
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);
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} else if (state is FeedStateError) {
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return Scaffold(
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backgroundColor: Colors.grey.shade200,
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body: Padding(
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padding: const EdgeInsets.all(16),
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child: Center(
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child: Text(state.errorMessage),
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),
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),
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);
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} else {
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return Scaffold(
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backgroundColor: Colors.grey.shade200,
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body: const Loader(),
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);
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}
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},
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),
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),
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);
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}
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_buildAllRecipes() {
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return BlocProvider<RecipesCubit>(
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create: (context) => recipesCubit,
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child: RefreshIndicator(
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onRefresh: () => recipesCubit.loadRecipesList(),
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child: BlocBuilder<RecipesCubit, RecipesState>(
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builder: (BuildContext context, RecipesState state) {
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if (state is RecipesStateLoaded) {
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return ListView.separated(
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padding: EdgeInsets.symmetric(vertical: 8),
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shrinkWrap: true,
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physics: BouncingScrollPhysics(),
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itemBuilder: (context, index) {
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return RecipesWidget(recipes: state.recipesList[index]);
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},
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separatorBuilder: (context, index) {
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return SizedBox(height: 8);
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},
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itemCount: state.recipesList.length,
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);
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} else if (state is RecipesStateError) {
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return Scaffold(
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backgroundColor: Colors.grey.shade200,
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body: Padding(
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padding: const EdgeInsets.all(16),
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child: Center(
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child: Text(state.errorMessage),
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),
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),
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);
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} else {
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return Scaffold(
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backgroundColor: Colors.grey.shade200,
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body: const Loader(),
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);
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}
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},
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),
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),
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);
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}
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_buildDiets() {
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return BlocProvider<DietsCubit>(
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create: (context) => dietsCubit,
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child: RefreshIndicator(
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onRefresh: () => dietsCubit.loadDiets(),
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child: BlocBuilder<DietsCubit, DietsState>(
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builder: (BuildContext context, DietsState state) {
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if (state.isLoading) {
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return Scaffold(
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backgroundColor: Colors.grey.shade200,
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body: const Loader(),
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);
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} else if (state.errorMessage != null) {
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return Scaffold(
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backgroundColor: Colors.grey.shade200,
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body: Padding(
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padding: const EdgeInsets.all(16),
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child: Center(
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child: Text(state.errorMessage ?? ''),
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),
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),
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);
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} else {
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return Stack(
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children: [
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SizedBox.expand(),
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ListView.separated(
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padding: EdgeInsets.symmetric(vertical: 8),
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shrinkWrap: true,
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physics: BouncingScrollPhysics(),
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itemBuilder: (context, index) {
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return DietsWidget(diet: state.dietsList[index], index: index);
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},
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separatorBuilder: (context, index) {
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return SizedBox(height: 8);
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},
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itemCount: state.dietsList.length,
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),
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Positioned(
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right: 0,
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bottom: 74,
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child: FilterBadge(
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filterBottomSheet: DietFilterBottomSheet(
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dietsCubit: dietsCubit,
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),
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),
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),
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],
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);
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}
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},
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),
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),
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);
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}
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_buildPlans() {
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return BlocProvider<PlansCubit>(
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create: (context) => plansCubit,
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child: RefreshIndicator(
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onRefresh: () => plansCubit.loadPlans(),
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child: BlocBuilder<PlansCubit, PlansState>(
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builder: (BuildContext context, PlansState state) {
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if (state is PlansStateLoaded) {
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return ListView.separated(
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padding: EdgeInsets.symmetric(vertical: 8),
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shrinkWrap: true,
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physics: BouncingScrollPhysics(),
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itemBuilder: (context, index) {
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return PlanWidget(planModel: state.plansModel.data[index]);
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},
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separatorBuilder: (context, index) {
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return SizedBox(height: 8);
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},
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itemCount: state.plansModel.data.length,
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);
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} else if (state is PlansStateError) {
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return Scaffold(
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backgroundColor: Colors.grey.shade200,
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body: Padding(
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padding: const EdgeInsets.all(16),
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child: Center(
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child: Text(state.errorMessage),
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),
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),
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);
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} else {
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return Scaffold(
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backgroundColor: Colors.grey.shade200,
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body: const Loader(),
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);
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}
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},
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),
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),
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);
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}
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_chipGroup() {
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return PreferredSize(
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preferredSize: Size(MediaQuery.of(context).size.width, 32),
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child: Align(
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alignment: Alignment.centerLeft,
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child: SingleChildScrollView(
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padding: EdgeInsets.symmetric(horizontal: 16),
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scrollDirection: Axis.horizontal,
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child: Row(
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children: [
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ChoiceChipWidget(
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index: 0,
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selectedChipIndex: _selectedChipIndex,
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chipsLabelList: chipsLabelList,
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onSelected: (bool selected) {
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setState(() {
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_selectedChipIndex = 0;
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searchController.clear();
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FocusScope.of(context).requestFocus(new FocusNode());
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});
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},
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),
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SizedBox(width: 8),
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ChoiceChipWidget(
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index: 1,
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selectedChipIndex: _selectedChipIndex,
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chipsLabelList: chipsLabelList,
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onSelected: (bool selected) {
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setState(() {
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_selectedChipIndex = 1;
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searchController.clear();
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FocusScope.of(context).requestFocus(new FocusNode());
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});
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},
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),
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SizedBox(width: 8),
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ChoiceChipWidget(
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index: 2,
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selectedChipIndex: _selectedChipIndex,
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chipsLabelList: chipsLabelList,
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onSelected: (bool selected) {
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setState(() {
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_selectedChipIndex = 2;
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searchController.clear();
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FocusScope.of(context).requestFocus(new FocusNode());
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});
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},
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),
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SizedBox(width: 8),
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ChoiceChipWidget(
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index: 3,
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selectedChipIndex: _selectedChipIndex,
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chipsLabelList: chipsLabelList,
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onSelected: (bool selected) {
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setState(() {
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_selectedChipIndex = 3;
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searchController.clear();
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FocusScope.of(context).requestFocus(new FocusNode());
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});
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},
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),
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SizedBox(width: 8),
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ChoiceChipWidget(
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index: 4,
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selectedChipIndex: _selectedChipIndex,
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chipsLabelList: chipsLabelList,
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onSelected: (bool selected) {
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setState(() {
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_selectedChipIndex = 4;
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searchController.clear();
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FocusScope.of(context).requestFocus(new FocusNode());
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});
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},
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),
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],
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),
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),
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),
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);
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}
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_addItemButton(FeedCubit feedCubit) {
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return InkWell(
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onTap: () {
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switch (_selectedChipIndex) {
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case 2:
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GoRouter.of(context).pushNamed(CreateDietScreen.name);
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break;
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case 3:
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GoRouter.of(context).pushNamed(CreatePlanScreen.name);
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break;
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default:
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GoRouter.of(context).pushNamed('blogPostCreateScreen');
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}
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},
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borderRadius: BorderRadius.circular(64),
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child: Ink(
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decoration: BoxDecoration(
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color: appTheme.blueA400,
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shape: BoxShape.circle,
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),
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child: Icon(
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Icons.add_rounded,
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color: appTheme.gray100,
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),
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width: 40,
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height: 40,
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),
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);
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}
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_searchBar() {
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return SizedBox(
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height: 40,
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width: MediaQuery.of(context).size.width - 84,
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child: TextFormField(
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controller: searchController,
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autofocus: false,
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style: TextStyle(
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fontSize: 12,
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),
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onChanged: (query) {
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if (query.length > 2) {
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EasyDebounce.debounce(
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'searchFeed',
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Duration(milliseconds: 500),
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() {
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switch (_selectedChipIndex) {
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case 0:
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feedCubit.loadFeedBlogPostList(query: query);
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break;
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case 1:
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recipesCubit.loadRecipesList(query: query);
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break;
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case 2:
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dietsCubit.loadDiets(query: query);
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break;
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}
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},
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);
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} else {
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EasyDebounce.debounce(
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'searchFeed',
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Duration(milliseconds: 500),
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() {
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switch (_selectedChipIndex) {
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case 0:
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feedCubit.loadFeedBlogPostList();
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break;
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case 1:
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recipesCubit.loadRecipesList();
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break;
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case 2:
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dietsCubit.loadDiets(query: query == '' ? null : query);
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break;
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}
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},
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);
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}
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},
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decoration: InputDecoration(
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hintText: 'Поиск',
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hintStyle: TextStyle(
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fontSize: 12,
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color: appTheme.gray600,
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fontWeight: FontWeight.w400,
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),
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prefixIcon: Icon(
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Icons.search,
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color: appTheme.gray600,
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size: 16,
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),
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isDense: false,
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contentPadding: EdgeInsets.all(8),
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fillColor: appTheme.gray100,
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filled: true,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(16),
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borderSide: BorderSide.none,
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(16),
|
||
borderSide: BorderSide.none,
|
||
),
|
||
focusedBorder: OutlineInputBorder(
|
||
borderRadius: BorderRadius.circular(16),
|
||
borderSide: BorderSide.none,
|
||
),
|
||
),
|
||
),
|
||
);
|
||
}
|
||
}
|