TW-1923: Improve search screen

lib/pages/new_private_chat/widget/no_contacts_found.dart

@@ -10,59 +10,9 @@ class NoContactsFound extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return keyword != null
-        ? Padding(
-            padding: const EdgeInsets.only(left: 8.0),
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              children: [
-                Text(
-                  L10n.of(context)!.noResultForKeyword(keyword!),
-                  style: Theme.of(context).textTheme.titleLarge,
-                ),
-                const SizedBox(
-                  height: 8.0,
-                ),
-                Text.rich(
-                  TextSpan(
-                    style: Theme.of(context).textTheme.bodyMedium,
-                    children: [
-                      TextSpan(
-                        children: [
-                          TextSpan(
-                            text: L10n.of(context)!.searchResultNotFound1,
-                          ),
-                          TextSpan(
-                            text: L10n.of(context)!.searchResultNotFound2,
-                          ),
-                          TextSpan(
-                            text: L10n.of(context)!.searchResultNotFound3,
-                          ),
-                          TextSpan(
-                            text: L10n.of(context)!.searchResultNotFound4,
-                          ),
-                          TextSpan(
-                            text: L10n.of(context)!.searchResultNotFound5,
-                            style: Theme.of(context)
-                                .textTheme
-                                .bodyMedium
-                                ?.copyWith(
-                                  color: Theme.of(context).colorScheme.primary,
-                                ),
-                          ),
-                        ],
-                      ),
-                    ],
-                  ),
-                ),
-                const SizedBox(
-                  height: 8.0,
-                ),
-                const Align(
-                  alignment: Alignment.center,
-                  child: EmptySearchWidget(),
-                ),
-              ],
-            ),
+        ? const Align(
+            alignment: Alignment.center,
+            child: EmptySearchWidget(),
           )
         : SizedBox(
             height: MediaQuery.sizeOf(context).height * 0.7,

lib/pages/search/search.dart

@@ -58,6 +58,9 @@ class SearchController extends State<Search> {
 
   String get searchWord => textEditingController.text;
 
+  bool get isSearchWordUserId =>
+      searchWord.isValidMatrixId && searchWord.startsWith('@');
+
   String getBodyText(Event event, String searchWord) {
     final senderName = event.senderFromMemoryOrFallback.calcDisplayname(
       i18n: MatrixLocals(L10n.of(context)!),

lib/pages/search/search_view.dart

@@ -13,7 +13,6 @@ import 'package:fluffychat/widgets/twake_components/twake_loading/center_loading
 import 'package:flutter/material.dart' hide SearchController;
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:linagora_design_flutter/colors/linagora_sys_colors.dart';
-import 'package:matrix/matrix.dart';
 
 class SearchView extends StatelessWidget {
   final SearchController searchController;
@@ -73,15 +72,7 @@ class SearchView extends StatelessWidget {
                 searchController.serverSearchController.searchResultsNotifier,
             builder: ((context, searchResults, child) {
               if (searchResults is PresentationServerSideEmptySearch) {
-                if (searchController.searchContactAndRecentChatController!
-                    .recentAndContactsNotifier.value.isNotEmpty) {
-                  return child!;
-                }
-                return _SearchHeader(
-                  header: L10n.of(context)!.messages,
-                  searchController: searchController,
-                  needShowMore: false,
-                );
+                return child!;
               }
 
               if (searchResults is PresentationServerSideSearch) {
@@ -128,7 +119,7 @@ class SearchView extends StatelessWidget {
             builder: (context, contacts, emptyChild) {
               if (contacts.isEmpty) {
                 final keyword = searchController.textEditingController.text;
-                if (keyword.isValidMatrixId && keyword.startsWith("@")) {
+                if (searchController.isSearchWordUserId) {
                   return SearchExternalContactWidget(
                     keyword: keyword,
                     searchController: searchController,

lib/pages/search/server_search_view.dart

@@ -29,10 +29,11 @@ class ServerSearchMessagesList extends StatelessWidget {
         builder: (context, serverSearchNotifier, child) {
           if (serverSearchNotifier is PresentationServerSideEmptySearch) {
             if (searchController.searchContactAndRecentChatController!
-                .recentAndContactsNotifier.value.isNotEmpty) {
-              return const SizedBox.shrink();
+                    .recentAndContactsNotifier.value.isEmpty &&
+                !(searchController.isSearchWordUserId)) {
+              return child!;
             }
-            return child!;
+            return const SizedBox.shrink();
           }
 
           if (serverSearchNotifier is PresentationServerSideSearch) {

test/pages/search/server_search_view_test.dart

@@ -0,0 +1,154 @@
+import 'package:fluffychat/config/localizations/localization_service.dart';
+import 'package:fluffychat/config/themes.dart';
+import 'package:fluffychat/pages/search/search.dart';
+import 'package:fluffychat/pages/search/search_contacts_and_chats_controller.dart';
+import 'package:fluffychat/pages/search/server_search_controller.dart';
+import 'package:fluffychat/pages/search/server_search_view.dart';
+import 'package:fluffychat/presentation/model/search/presentation_search.dart';
+import 'package:fluffychat/presentation/model/search/presentation_server_side_empty_search.dart';
+import 'package:fluffychat/presentation/model/search/presentation_server_side_state.dart';
+import 'package:fluffychat/utils/custom_scroll_behaviour.dart';
+import 'package:fluffychat/utils/responsive/responsive_utils.dart';
+import 'package:fluffychat/widgets/search/empty_search_widget.dart';
+import 'package:fluffychat/widgets/theme_builder.dart';
+import 'package:flutter/material.dart' hide SearchController;
+import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:flutter_localized_locales/flutter_localized_locales.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:get_it/get_it.dart';
+import 'package:linagora_design_flutter/linagora_design_flutter.dart';
+import 'package:mockito/annotations.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+import 'package:mockito/mockito.dart';
+import 'server_search_view_test.mocks.dart';
+
+@GenerateNiceMocks([
+  MockSpec<SearchController>(),
+  MockSpec<ServerSearchController>(),
+  MockSpec<TextEditingController>(),
+  MockSpec<SearchContactsAndChatsController>(),
+])
+void main() {
+  late final SearchController mockSearchController;
+  late final ServerSearchController mockServerSearchController;
+  late final TextEditingController mockTextEditingController;
+  late final SearchContactsAndChatsController
+      mockSearchContactAndRecentChatController;
+
+  setUpAll(() {
+    final getIt = GetIt.instance;
+    getIt.registerSingleton(ResponsiveUtils());
+    mockSearchController = MockSearchController();
+    mockServerSearchController = MockServerSearchController();
+    mockTextEditingController = MockTextEditingController();
+    mockSearchContactAndRecentChatController =
+        MockSearchContactsAndChatsController();
+  });
+
+  Future<void> makeTestable(WidgetTester tester) async {
+    await tester.pumpWidget(
+      ThemeBuilder(
+        builder: (context, themeMode, primaryColor) => MaterialApp(
+          locale: const Locale('en'),
+          scrollBehavior: CustomScrollBehavior(),
+          localizationsDelegates: const [
+            LocaleNamesLocalizationsDelegate(),
+            L10n.delegate,
+            GlobalMaterialLocalizations.delegate,
+            GlobalCupertinoLocalizations.delegate,
+            GlobalWidgetsLocalizations.delegate,
+          ],
+          supportedLocales: LocalizationService.supportedLocales,
+          theme: TwakeThemes.buildTheme(
+            context,
+            Brightness.light,
+            primaryColor,
+          ),
+          home: Scaffold(
+            backgroundColor: LinagoraSysColors.material().onPrimary,
+            body: CustomScrollView(
+              physics: const ClampingScrollPhysics(),
+              slivers: [
+                ServerSearchMessagesList(
+                  searchController: mockSearchController,
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  group('[ServerSearchMessagesList] TEST', () {
+    group('GIVEN searchResultsNotifier is PresentationServerSideEmptySearch',
+        () {
+      testWidgets(
+        'GIVEN notifier value is empty\n'
+        'AND recentAndContactsNotifier value is empty\n'
+        'AND keyword is a Matrix ID\n'
+        'THEN should display SizedBox.shrink\n',
+        (WidgetTester tester) async {
+          when(mockSearchController.serverSearchController)
+              .thenReturn(mockServerSearchController);
+          when(mockSearchController.textEditingController)
+              .thenReturn(mockTextEditingController);
+          when(mockSearchController.searchContactAndRecentChatController)
+              .thenReturn(
+            mockSearchContactAndRecentChatController,
+          );
+          when(mockTextEditingController.text).thenReturn('@test:domain.com');
+          when(mockServerSearchController.searchResultsNotifier).thenReturn(
+            ValueNotifier<PresentationServerSideUIState>(
+              PresentationServerSideEmptySearch(),
+            ),
+          );
+          when(
+            mockSearchContactAndRecentChatController.recentAndContactsNotifier,
+          ).thenReturn(ValueNotifier<List<PresentationSearch>>([]));
+
+          await makeTestable(tester);
+
+          expect(find.byType(SizedBox), findsOneWidget);
+
+          final SizedBox foundSizedBox =
+              tester.firstWidget(find.byType(SizedBox));
+          expect(foundSizedBox.child, isNull);
+          expect(foundSizedBox.width, equals(0));
+          expect(foundSizedBox.height, equals(0));
+        },
+      );
+
+      testWidgets(
+        'GIVEN searchResultsNotifier value is empty\n'
+        'AND recentAndContactsNotifier value is empty\n'
+        'AND keyword is not a Matrix ID\n'
+        'THEN should display EmptySearchWidget\n',
+        (WidgetTester tester) async {
+          when(mockSearchController.serverSearchController)
+              .thenReturn(mockServerSearchController);
+          when(mockSearchController.textEditingController)
+              .thenReturn(mockTextEditingController);
+          when(mockSearchController.searchContactAndRecentChatController)
+              .thenReturn(
+            mockSearchContactAndRecentChatController,
+          );
+          when(mockTextEditingController.text).thenReturn('test');
+          when(mockServerSearchController.searchResultsNotifier).thenReturn(
+            ValueNotifier<PresentationServerSideUIState>(
+              PresentationServerSideEmptySearch(),
+            ),
+          );
+          when(
+            mockSearchContactAndRecentChatController.recentAndContactsNotifier,
+          ).thenReturn(ValueNotifier<List<PresentationSearch>>([]));
+
+          await makeTestable(tester);
+          await tester.pumpAndSettle();
+
+          expect(find.byType(EmptySearchWidget), findsOneWidget);
+        },
+      );
+    });
+  });
+}