sorted participants list alphabetically

lib/view/pages/talk/chatDetails/participants/participantsListView.dart

@@ -13,16 +13,23 @@ class ParticipantsListView extends StatefulWidget {
 
 class _ParticipantsListViewState extends State<ParticipantsListView> {
   @override
-  Widget build(BuildContext context) => Scaffold(
+  Widget build(BuildContext context) {
+    final participants = widget.participantsResponse.data.map((participant) => ListTile(
+      leading: UserAvatar(id: participant.actorId),
+      title: Text(participant.displayName),
+      subtitle: participant.statusMessage != null ? Text(participant.statusMessage!) : null,
+    )).toList();
+
+    lastname(participant) => participant.title.toString().split(' ').last;
+    participants.sort((a, b) => lastname(a).compareTo(lastname(b)));
+
+    return Scaffold(
       appBar: AppBar(
         title: const Text('Teilnehmende'),
       ),
       body: ListView(
-        children: widget.participantsResponse.data.map((participant) => ListTile(
+        children: participants,
-            leading: UserAvatar(id: participant.actorId),
-            title: Text(participant.displayName),
-            subtitle: participant.statusMessage != null ? Text(participant.statusMessage!) : null,
-          )).toList(),
       ),
     );
+  }
 }

lib/view/pages/talk/components/chatMessage.dart

@@ -21,47 +21,39 @@ class ChatMessage {
   ChatMessage({required this.originalMessage, this.originalData}) {
     if(originalData?.containsKey('file') ?? false) {
       file = originalData?['file'];
+      content = file?.name ?? 'Datei';
+    } else {
+      content = RichObjectStringProcessor.parseToString(originalMessage, originalData);
     }
-    content = RichObjectStringProcessor.parseToString(originalMessage, originalData);
   }
 
   Widget getWidget() {
 
-    var contentWidget = Linkify(
+    if(file == null) {
-      text: content,
+      return Linkify(
-      onOpen: onOpen,
+        text: content,
-    );
+        onOpen: onOpen,
+      );
+    }
 
-    if(file == null) return contentWidget;
+    return Padding(padding: const EdgeInsets.only(top: 5), child: CachedNetworkImage(
-
+      errorWidget: (context, url, error) => Row(
-    return Padding(
+          mainAxisSize: MainAxisSize.min,
-        padding: const EdgeInsets.only(top: 5),
+          crossAxisAlignment: CrossAxisAlignment.center,
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            CachedNetworkImage(
+            const Icon(Icons.file_open_outlined, size: 35),
-              errorWidget: (context, url, error) => Row(
+            const SizedBox(width: 10),
-                mainAxisSize: MainAxisSize.min,
+            Flexible(child: Text(file!.name, maxLines: 2, overflow: TextOverflow.ellipsis, style: const TextStyle(fontWeight: FontWeight.bold))),
-                crossAxisAlignment: CrossAxisAlignment.center,
+            const SizedBox(width: 10),
-                children: [
-                  const Icon(Icons.file_open_outlined, size: 35),
-                  const SizedBox(width: 10),
-                  Flexible(child: Text(file!.name, maxLines: 2, overflow: TextOverflow.ellipsis, style: const TextStyle(fontWeight: FontWeight.bold))),
-                  const SizedBox(width: 10),
-                ],
-              ),
-              alignment: Alignment.center,
-              placeholder: (context, url) => const Padding(padding: EdgeInsets.all(15), child: SizedBox(width: 50, child: LinearProgressIndicator())),
-              fadeInDuration: Duration.zero,
-              fadeOutDuration: Duration.zero,
-              errorListener: (value) {},
-              imageUrl: 'https://${AccountData().buildHttpAuthString()}@${EndpointData().nextcloud().full()}/index.php/core/preview?fileId=${file!.id}&x=100&y=-1&a=1',
-            ),
-            SizedBox(height: 5),
-            contentWidget
           ],
-        )
+        ),
-    );
+      alignment: Alignment.center,
+      placeholder: (context, url) => const Padding(padding: EdgeInsets.all(15), child: SizedBox(width: 50, child: LinearProgressIndicator())),
+      fadeInDuration: Duration.zero,
+      fadeOutDuration: Duration.zero,
+      errorListener: (value) {},
+      imageUrl: 'https://${AccountData().buildHttpAuthString()}@${EndpointData().nextcloud().full()}/index.php/core/preview?fileId=${file!.id}&x=100&y=-1&a=1',
+    ));
   }
 
   Future<void> onOpen(LinkableElement link) async {