94 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Dart
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Dart
		
	
	
	
	
	
| import 'package:flutter/material.dart';
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| import 'package:gap/gap.dart';
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| import 'package:hooks_riverpod/hooks_riverpod.dart';
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| import 'package:island/models/realm.dart';
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| import 'package:island/pods/network.dart';
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| import 'package:island/widgets/realm/realm_card.dart';
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| import 'package:riverpod_annotation/riverpod_annotation.dart';
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| import 'package:riverpod_paging_utils/riverpod_paging_utils.dart';
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| import 'package:styled_widget/styled_widget.dart';
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| 
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| part 'realm_list.g.dart';
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| 
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| @riverpod
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| class RealmListNotifier extends _$RealmListNotifier
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|     with CursorPagingNotifierMixin<SnRealm> {
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|   static const int _pageSize = 20;
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| 
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|   @override
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|   Future<CursorPagingData<SnRealm>> build(String? query) {
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|     return fetch(cursor: null, query: query);
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|   }
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| 
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|   @override
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|   Future<CursorPagingData<SnRealm>> fetch({
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|     required String? cursor,
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|     String? query,
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|   }) async {
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|     final client = ref.read(apiClientProvider);
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|     final offset = cursor == null ? 0 : int.parse(cursor);
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| 
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|     final queryParams = {
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|       'offset': offset,
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|       'take': _pageSize,
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|       if (query != null && query.isNotEmpty) 'query': query,
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|     };
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| 
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|     final response = await client.get(
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|       '/sphere/discovery/realms',
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|       queryParameters: queryParams,
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|     );
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|     final total = int.parse(response.headers.value('X-Total') ?? '0');
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|     final List<dynamic> data = response.data;
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|     final realms = data.map((json) => SnRealm.fromJson(json)).toList();
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| 
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|     final hasMore = offset + realms.length < total;
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|     final nextCursor = hasMore ? (offset + realms.length).toString() : null;
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| 
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|     return CursorPagingData(
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|       items: realms,
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|       hasMore: hasMore,
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|       nextCursor: nextCursor,
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|     );
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|   }
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| }
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| 
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| class SliverRealmList extends HookConsumerWidget {
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|   const SliverRealmList({super.key, this.query});
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| 
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|   final String? query;
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| 
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|   @override
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|   Widget build(BuildContext context, WidgetRef ref) {
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|     return PagingHelperSliverView(
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|       provider: realmListNotifierProvider(query),
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|       futureRefreshable: realmListNotifierProvider(query).future,
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|       notifierRefreshable: realmListNotifierProvider(query).notifier,
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|       contentBuilder:
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|           (data, widgetCount, endItemView) => SliverList.separated(
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|             itemCount: widgetCount,
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|             itemBuilder: (context, index) {
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|               if (index == widgetCount - 1) {
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|                 return endItemView;
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|               }
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| 
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|               final realm = data.items[index];
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| 
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|               return Padding(
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|                 padding: const EdgeInsets.symmetric(
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|                   horizontal: 16,
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|                   vertical: 8,
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|                 ),
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|                 child:
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|                     ConstrainedBox(
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|                       constraints: const BoxConstraints(maxWidth: 540),
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|                       child: RealmCard(realm: realm),
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|                     ).center(),
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|               );
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|             },
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|             separatorBuilder: (_, _) => const Gap(8),
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|           ),
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|     );
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|   }
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| }
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