Source Code added

mobile/lib/presentation/pages/search/paginated_search.provider.dart

@@ -0,0 +1,60 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/domain/models/search_result.model.dart';
+import 'package:immich_mobile/domain/services/search.service.dart';
+import 'package:immich_mobile/models/search/search_filter.model.dart';
+import 'package:immich_mobile/providers/infrastructure/search.provider.dart';
+
+final searchPreFilterProvider = NotifierProvider<SearchFilterProvider, SearchFilter?>(SearchFilterProvider.new);
+
+class SearchFilterProvider extends Notifier<SearchFilter?> {
+  @override
+  SearchFilter? build() {
+    return null;
+  }
+
+  void setFilter(SearchFilter? filter) {
+    state = filter;
+  }
+
+  void clear() {
+    state = null;
+  }
+}
+
+final paginatedSearchProvider = StateNotifierProvider<PaginatedSearchNotifier, SearchResult>(
+  (ref) => PaginatedSearchNotifier(ref.watch(searchServiceProvider)),
+);
+
+class PaginatedSearchNotifier extends StateNotifier<SearchResult> {
+  final SearchService _searchService;
+
+  PaginatedSearchNotifier(this._searchService) : super(const SearchResult(assets: [], nextPage: 1));
+
+  Future<bool> search(SearchFilter filter) async {
+    if (state.nextPage == null) {
+      return false;
+    }
+
+    final result = await _searchService.search(filter, state.nextPage!);
+
+    if (result == null) {
+      return false;
+    }
+
+    state = SearchResult(
+      assets: [...state.assets, ...result.assets],
+      nextPage: result.nextPage,
+      scrollOffset: state.scrollOffset,
+    );
+
+    return true;
+  }
+
+  void setScrollOffset(double offset) {
+    state = state.copyWith(scrollOffset: offset);
+  }
+
+  clear() {
+    state = const SearchResult(assets: [], nextPage: 1, scrollOffset: 0.0);
+  }
+}