feat: Try again uploading file events for one minute

This also refactors the code for
sending events with the same
Duration of one minute.

lib/src/client.dart

@@ -102,6 +102,8 @@ class Client extends MatrixApi {
     return await function(arg);
   }
 
+  final Duration sendTimelineEventTimeout;
+
   /// Create a client
   /// [clientName] = unique identifier of this client
   /// [databaseBuilder]: A function that creates the database instance, that will be used.
@@ -137,6 +139,8 @@ class Client extends MatrixApi {
   /// will use lazy_load_members.
   /// Set [compute] to the Flutter compute method to enable the SDK to run some
   /// code in background.
+  /// Set [timelineEventTimeout] to the preferred time the Client should retry
+  /// sending events on connection problems or to `Duration.zero` to disable it.
   Client(
     this.clientName, {
     this.databaseBuilder,
@@ -158,6 +162,7 @@ class Client extends MatrixApi {
     this.formatLocalpart = true,
     this.compute,
     Filter? syncFilter,
+    this.sendTimelineEventTimeout = const Duration(minutes: 1),
     @deprecated bool? debug,
   })  : syncFilter = syncFilter ??
             Filter(

lib/src/room.dart

@@ -718,18 +718,34 @@ class Room {
         uploadThumbnail = encryptedThumbnail.toMatrixFile();
       }
     }
-    final uploadResp = await client.uploadContent(
+    Uri? uploadResp, thumbnailUploadResp;
+
+    final timeoutDate = DateTime.now().add(client.sendTimelineEventTimeout);
+    while (uploadResp == null ||
+        (uploadThumbnail != null && thumbnailUploadResp == null)) {
+      try {
+        uploadResp = await client.uploadContent(
           uploadFile.bytes,
           filename: uploadFile.name,
           contentType: uploadFile.mimeType,
         );
-    final thumbnailUploadResp = uploadThumbnail != null
+        thumbnailUploadResp = uploadThumbnail != null
             ? await client.uploadContent(
                 uploadThumbnail.bytes,
                 filename: uploadThumbnail.name,
                 contentType: uploadThumbnail.mimeType,
               )
             : null;
+      } on MatrixException catch (_) {
+        rethrow;
+      } catch (_) {
+        if (DateTime.now().isAfter(timeoutDate)) {
+          rethrow;
+        }
+        Logs().v('Send File into room failed. Try again...');
+        await Future.delayed(Duration(seconds: 1));
+      }
+    }
 
     // Send event
     final content = <String, dynamic>{
@@ -916,6 +932,7 @@ class Room {
     );
     await _handleFakeSync(syncUpdate);
 
+    final timeoutDate = DateTime.now().add(client.sendTimelineEventTimeout);
     // Send the text and on success, store and display a *sent* event.
     String? res;
     while (res == null) {
@@ -926,20 +943,15 @@ class Room {
           txid: messageID,
         );
       } catch (e, s) {
-        if ((DateTime.now().millisecondsSinceEpoch -
-                sentDate.millisecondsSinceEpoch) <
-            (1000 * client.sendMessageTimeoutSeconds)) {
-          Logs().w('[Client] Problem while sending message because of "' +
-              e.toString() +
-              '". Try again in 1 seconds...');
-          await Future.delayed(Duration(seconds: 1));
-        } else {
-          Logs().w('[Client] Problem while sending message', e, s);
+        if (e is MatrixException || DateTime.now().isAfter(timeoutDate)) {
+          Logs().w('Problem while sending message', e, s);
           syncUpdate.rooms!.join!.values.first.timeline!.events!.first
               .unsigned![messageSendingStatusKey] = EventStatus.error.intValue;
           await _handleFakeSync(syncUpdate);
           return null;
         }
+        Logs().w('Problem while sending message: $e Try again in 1 seconds...');
+        await Future.delayed(Duration(seconds: 1));
       }
     }
     syncUpdate.rooms!.join!.values.first.timeline!.events!.first