fix(chat): fix failed to redirect to user space page

Use uid as parameter, if present.

Fixes #174

Author: realth000

lib/features/chat/models/chat_message.dart

@@ -12,6 +12,7 @@ final class ChatMessage with ChatMessageMappable {
   /// Constructor.
   const ChatMessage({
     required this.author,
+    required this.authorUid,
     required this.authorAvatarUrl,
     required this.message,
     required this.dateTime,
@@ -22,6 +23,11 @@ final class ChatMessage with ChatMessageMappable {
   /// Optional because it's null when current sent the message.
   final String? author;
 
+  /// Uid of message author.
+  ///
+  /// Required as it is used to visit user space page.
+  final String? authorUid;
+
   /// Avatar url of author.
   final String? authorAvatarUrl;
 
@@ -38,15 +44,16 @@ final class ChatMessage with ChatMessageMappable {
   /// Build from node `<dl>` with id starts with "pmlist_".
   static ChatMessage? fromDl(uh.Element element) {
     // Not null when another user sent the message.
-    final username =
-        element.querySelector('dd.ptm > a')?.innerText ?? element.querySelector('dd.ptm > span.xi2')?.innerText;
+    final username = element.querySelector('dd.ptm > a')?.innerText.trim();
     // Not null when current logged user sent the message.
-    final currentUserNode = element.querySelector('dd.ptm > span.xi2');
-    if (username == null && currentUserNode == null) {
+    final currentUsername = element.querySelector('dd.ptm > span.xi2')?.innerText.trim();
+    if (username == null && currentUsername == null) {
       talker.error('failed to build chat message: author not found');
       return null;
     }
 
+    final uid = element.querySelector('dd.m.avt > a')?.attributes['href']?.tryParseAsUri()?.queryParameters['uid'];
+
     final message = element.querySelector('dd:nth-child(4)')?.innerHtml;
     if (message == null) {
       talker.error('failed to build chat message: message not found');
@@ -57,10 +64,20 @@ final class ChatMessage with ChatMessageMappable {
 
     final authorAvatarUrl = element.querySelector('dd.m.avt > a > img')?.imageUrl();
 
-    return ChatMessage(author: username, authorAvatarUrl: authorAvatarUrl, message: message, dateTime: dateTime);
+    return ChatMessage(
+      author: username ?? currentUsername,
+      authorUid: uid,
+      authorAvatarUrl: authorAvatarUrl,
+      message: message,
+      dateTime: dateTime,
+    );
   }
 
   /// Build from node `<li class="cl pmm">`.
+  ///
+  /// Chat page, not chat history page.
+  ///
+  /// With username, without avatar and uid.
   static ChatMessage? fromLi(uh.Element element) {
     final username = element.querySelector('div.pmt')?.innerText.split(':').first;
     final message = element.querySelector('div.pmd')?.innerHtml;
@@ -72,6 +89,6 @@ final class ChatMessage with ChatMessageMappable {
       return null;
     }
 
-    return ChatMessage(author: username, authorAvatarUrl: null, message: message, dateTime: null);
+    return ChatMessage(author: username, authorUid: null, authorAvatarUrl: null, message: message, dateTime: null);
   }
 }

lib/features/chat/models/models.dart

@@ -1,12 +1,10 @@
 import 'package:dart_mappable/dart_mappable.dart';
+import 'package:tsdm_client/extensions/string.dart';
 import 'package:tsdm_client/extensions/universal_html.dart';
 import 'package:tsdm_client/instance.dart';
 import 'package:universal_html/html.dart' as uh;
 
 part 'chat_history_send_target.dart';
-
 part 'chat_message.dart';
-
 part 'chat_send_target.dart';
-
 part 'models.mapper.dart';

lib/features/chat/widgets/chat_message_card.dart

@@ -28,8 +28,10 @@ final class ChatMessageCard extends StatelessWidget {
           ListTile(
             leading: GestureDetector(
               onTap: chatMessage.author != null
-                  ? () async =>
-                        context.pushNamed(ScreenPaths.profile, queryParameters: {'username': chatMessage.author})
+                  ? () async => context.pushNamed(
+                      ScreenPaths.profile,
+                      queryParameters: {'uid': ?chatMessage.authorUid, 'username': ?chatMessage.author},
+                    )
                   : null,
               child: HeroUserAvatar(
                 username: chatMessage.author ?? '',