⚗️ Testing out new own pagination utils

lib/pods/timeline.dart

@@ -0,0 +1,65 @@
+import 'package:flutter/foundation.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:island/models/activity.dart';
+import 'package:island/pods/network.dart';
+import 'package:island/pods/paging.dart';
+
+final activityListNotifierProvider =
+    AsyncNotifierProvider<ActivityListNotifier, List<SnTimelineEvent>>(
+      ActivityListNotifier.new,
+    );
+
+class ActivityListNotifier extends AsyncNotifier<List<SnTimelineEvent>>
+    with
+        AsyncPaginationController<SnTimelineEvent>,
+        AsyncPaginationFilter<String?, SnTimelineEvent> {
+  static const int pageSize = 20;
+
+  @override
+  String? currentFilter;
+
+  @override
+  Future<List<SnTimelineEvent>> fetch() async {
+    final client = ref.read(apiClientProvider);
+
+    final cursor =
+        state.valueOrNull?.lastOrNull?.createdAt.toUtc().toIso8601String();
+
+    final queryParameters = {
+      if (cursor != null) 'cursor': cursor,
+      'take': pageSize,
+      if (currentFilter != null) 'filter': currentFilter,
+      if (kDebugMode)
+        'debugInclude': 'realms,publishers,articles,shuffledPosts',
+    };
+
+    final response = await client.get(
+      '/sphere/timeline',
+      queryParameters: queryParameters,
+    );
+
+    final List<SnTimelineEvent> items =
+        (response.data as List)
+            .map((e) => SnTimelineEvent.fromJson(e as Map<String, dynamic>))
+            .toList();
+
+    final hasMore = (items.firstOrNull?.type ?? 'empty') != 'empty';
+
+    totalCount =
+        (state.valueOrNull?.length ?? 0) +
+        items.length +
+        (hasMore ? pageSize : 0);
+
+    return items;
+  }
+
+  void updateOne(int index, SnTimelineEvent activity) {
+    final currentState = state.valueOrNull;
+    if (currentState == null) return;
+
+    final updatedItems = [...currentState];
+    updatedItems[index] = activity;
+
+    state = AsyncData(updatedItems);
+  }
+}