Merge branch 'henri2h/search-remove-diacritics' into 'main'

Search: remove diacritics

See merge request famedly/fluffychat!809

lib/pages/search/search_view.dart

@@ -6,6 +6,7 @@ import 'package:matrix/matrix.dart';
 import 'package:vrouter/vrouter.dart';
 
 import 'package:fluffychat/pages/chat_list/chat_list_item.dart';
+import 'package:fluffychat/utils/string_extension.dart';
 import 'package:fluffychat/widgets/avatar.dart';
 import 'package:fluffychat/widgets/contacts_list.dart';
 import 'package:fluffychat/widgets/default_app_bar_search_field.dart';
@@ -68,9 +69,8 @@ class SearchView extends StatelessWidget {
     rooms.removeWhere(
       (room) =>
           room.lastEvent == null ||
-          !room.displayname
-              .toLowerCase()
-              .contains(controller.controller.text.toLowerCase()),
+          !room.displayname.toLowerCase().removeDiacritics().contains(
+              controller.controller.text.toLowerCase().removeDiacritics()),
     );
     const tabCount = 3;
     return DefaultTabController(

lib/utils/string_extension.dart

@@ -0,0 +1,15 @@
+extension StringCasingExtension on String {
+  String removeDiacritics() {
+    const withDia =
+        'ÀÁÂÃÄÅàáâãäåÒÓÔÕÕÖØòóôõöøÈÉÊËèéêëðÇçÐÌÍÎÏìíîïÙÚÛÜùúûüÑñŠšŸÿýŽž';
+    const withoutDia =
+        'AAAAAAaaaaaaOOOOOOOooooooEEEEeeeeeCcDIIIIiiiiUUUUuuuuNnSsYyyZz';
+
+    String str = this;
+    for (int i = 0; i < withDia.length; i++) {
+      str = str.replaceAll(withDia[i], withoutDia[i]);
+    }
+
+    return str;
+  }
+}