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## Description Add fetch followers count ## Type of Change - [ ] Bug fix - [x] New feature - [ ] Breaking change - [ ] Refactoring - [ ] Documentation - [ ] Chore --------- Co-authored-by: ion-endymion <[email protected]>
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110 changes: 84 additions & 26 deletions
110
lib/app/features/user/providers/followers_count_provider.c.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,43 +1,101 @@ | ||
| // SPDX-License-Identifier: ice License 1.0 | ||
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| import 'dart:math'; | ||
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| import 'package:hooks_riverpod/hooks_riverpod.dart'; | ||
| import 'package:ion/app/exceptions/exceptions.dart'; | ||
| import 'package:ion/app/extensions/extensions.dart'; | ||
| import 'package:ion/app/features/feed/data/models/entities/event_count_request_data.c.dart'; | ||
| import 'package:ion/app/features/feed/data/models/entities/event_count_result_data.c.dart'; | ||
| import 'package:ion/app/features/ion_connect/model/action_source.dart'; | ||
| import 'package:ion/app/features/ion_connect/providers/ion_connect_cache.c.dart'; | ||
| import 'package:ion/app/features/ion_connect/providers/ion_connect_notifier.c.dart'; | ||
| import 'package:ion/app/features/ion_connect/providers/relays_provider.c.dart'; | ||
| import 'package:ion/app/features/user/model/follow_list.c.dart'; | ||
| import 'package:ion/app/features/user/providers/user_relays_manager.c.dart'; | ||
| import 'package:nostr_dart/nostr_dart.dart'; | ||
| import 'package:riverpod_annotation/riverpod_annotation.dart'; | ||
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| part 'followers_count_provider.c.g.dart'; | ||
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| @Riverpod(keepAlive: true) | ||
| Future<int?> followersCount(Ref ref, String pubkey) async { | ||
| final followersCountEntity = ref.watch( | ||
| ionConnectCacheProvider.select( | ||
| cacheSelector<EventCountResultEntity>( | ||
| EventCountResultEntity.cacheKeyBuilder( | ||
| key: pubkey, | ||
| type: EventCountResultType.followers, | ||
| class FollowersCount extends _$FollowersCount { | ||
| @override | ||
| Future<int> build(String pubkey) async { | ||
| final followersCountEntity = ref.watch( | ||
| ionConnectCacheProvider.select( | ||
| cacheSelector<EventCountResultEntity>( | ||
| EventCountResultEntity.cacheKeyBuilder( | ||
| key: pubkey, | ||
| type: EventCountResultType.followers, | ||
| ), | ||
| ), | ||
| ), | ||
| ), | ||
| ); | ||
| ); | ||
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| if (followersCountEntity != null) { | ||
| return followersCountEntity.data.content as int; | ||
| } | ||
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| if (followersCountEntity != null) { | ||
| return 0; | ||
| return _fetchFollowersCount(pubkey); | ||
| } | ||
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| // TODO:uncomment when impl | ||
| // final followersCountRequest = EventCountRequestData( | ||
| // params: const EventCountRequestParams(group: 'p'), | ||
| // filters: [ | ||
| // RequestFilter(kinds: const [FollowListEntity.kind], p: [pubkey]), | ||
| // ], | ||
| // ); | ||
| Future<int> _fetchFollowersCount(String pubkey) async { | ||
| final relay = await _getRandomUserRelay(); | ||
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| final requestEvent = await _buildRequestEvent(relayUrl: relay.url); | ||
| final subscriptionMessage = RequestMessage() | ||
| ..addFilter( | ||
| RequestFilter( | ||
| kinds: const [EventCountResultEntity.kind, 7400], | ||
| tags: { | ||
| '#p': [pubkey], | ||
| }, | ||
| ), | ||
| ); | ||
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| final subscription = relay.subscribe(subscriptionMessage); | ||
| EventMessage? responseMessage; | ||
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| try { | ||
| await ref.read(ionConnectNotifierProvider.notifier).sendEvent( | ||
| requestEvent, | ||
| actionSource: ActionSourceRelayUrl(relay.url), | ||
| cache: false, | ||
| ); | ||
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| // final response = await ref.read(ionConnectNotifierProvider.notifier).requestCount( | ||
| // followersCountRequest, | ||
| // actionSource: ActionSourceUser(pubkey), | ||
| // ); | ||
| responseMessage = await subscription.messages | ||
| .firstWhere((message) => message is EventMessage) | ||
| .timeout(const Duration(seconds: 10)) as EventMessage; | ||
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| return Random().nextInt(100); | ||
| final eventCountResultEntity = | ||
| EventCountResultEntity.fromEventMessage(responseMessage, key: pubkey); | ||
| ref.read(ionConnectCacheProvider.notifier).cache(eventCountResultEntity); | ||
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| return eventCountResultEntity.data.content as int; | ||
| } finally { | ||
| relay.unsubscribe(subscription.id); | ||
| } | ||
| } | ||
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| Future<NostrRelay> _getRandomUserRelay() async { | ||
| final userRelays = await ref.read(currentUserRelayProvider.future); | ||
| if (userRelays == null) { | ||
| throw UserRelaysNotFoundException(); | ||
| } | ||
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| final relayUrl = userRelays.data.list.random.url; | ||
| return await ref.read(relayProvider(relayUrl).future); | ||
| } | ||
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| Future<EventMessage> _buildRequestEvent({required String relayUrl}) async { | ||
| final followersCountRequest = EventCountRequestData( | ||
| relays: [relayUrl], | ||
| filters: [ | ||
| RequestFilter( | ||
| kinds: const [FollowListEntity.kind], | ||
| authors: [pubkey], | ||
| ), | ||
| ], | ||
| ); | ||
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| return ref.read(ionConnectNotifierProvider.notifier).sign(followersCountRequest); | ||
| } | ||
| } |