Minor fixes for file download handling

lib/screen/pages/talk/chatBubble.dart

@@ -1,8 +1,10 @@
+import 'package:better_open_file/better_open_file.dart';
 import 'package:bubble/bubble.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:jiffy/jiffy.dart';
 import 'package:marianum_mobile/api/marianumcloud/talk/chat/getChatResponse.dart';
+import 'package:marianum_mobile/screen/pages/files/fileElement.dart';
 import 'package:marianum_mobile/screen/pages/talk/chatMessage.dart';
 
 import '../../../api/marianumcloud/talk/room/getRoomResponse.dart';
@@ -43,6 +45,7 @@ class ChatBubble {
   bool isSender;
   GetChatResponseObject bubbleData;
   GetRoomResponseObject chatData;
+  double downloadProgress = 0;
   late ChatMessage message;
 
   ChatBubble({
@@ -109,11 +112,19 @@ class ChatBubble {
                 child: Positioned(
                   bottom: 0,
                   right: 0,
-                  child: Text(
-                    Jiffy.unixFromSecondsSinceEpoch(bubbleData.timestamp).format("HH:mm"),
-                    textAlign: TextAlign.end,
-                    style: const TextStyle(color: Colors.grey, fontSize: 12),
-                  ),
+                  child: Row(
+                    children: [
+                      Visibility(
+                        visible: downloadProgress > 0,
+                        child: LinearProgressIndicator(value: downloadProgress),
+                      ),
+                      Text(
+                        Jiffy.unixFromSecondsSinceEpoch(bubbleData.timestamp).format("HH:mm"),
+                        textAlign: TextAlign.end,
+                        style: const TextStyle(color: Colors.grey, fontSize: 12),
+                      ),
+                    ],
+                  )
                 ),
               ),
             ],
@@ -135,10 +146,13 @@ class ChatBubble {
                   },
                 ),
               ),
-              ListTile(
-                leading: const Icon(Icons.person),
-                title: Text("Zu '${bubbleData.actorDisplayName}' wechseln"),
-                onTap: () => {},
+              Visibility(
+                visible: !isSender && chatData.type != GetRoomResponseObjectConversationType.oneToOne,
+                child: ListTile(
+                  leading: const Icon(Icons.person),
+                  title: Text("Private Nachricht an '${bubbleData.actorDisplayName}'"),
+                  onTap: () => {},
+                ),
               ),
               ListTile(
                 leading: const Icon(Icons.bug_report_outlined),
@@ -149,10 +163,24 @@ class ChatBubble {
           );
         });
       },
+      onTap: () {
+        FileElement.download(message.file!.path!, message.file?.name ?? "Datei", (progress) => {
+          downloadProgress = progress,
+        }, (result) => {
+          downloadProgress = 0,
+          if(result.type != ResultType.done) {
+            showDialog(context: context, builder: (context) {
+              return AlertDialog(
+                content: Text(result.message),
+              );
+            })
+          }
+        });
+
+      },
     );
   }
 
-
   Size _textSize(String text, TextStyle style) {
     final TextPainter textPainter = TextPainter(
         text: TextSpan(text: text, style: style),

lib/screen/pages/talk/chatMessage.dart

@@ -53,7 +53,7 @@ class ChatMessage {
       fadeInDuration: const Duration(seconds: 1),
       imageUrl: "https://cloud.marianum-fulda.de/core/preview?fileId=${file!.id}&x=100&y=-1&a=1",
       httpHeaders: {
-        "Authorization": "Basic ${base64.encode(utf8.encode("${preferences.getString("username")}:${preferences.getString("password")}"))}"
+        "Authorization": "Basic ${base64.encode(utf8.encode("${preferences.getString("username")}:${preferences.getString("password")}"))}" // TODO move authentication
       },
     );
   }