fix file attachment in messageinput

packages/stream_chat_flutter/lib/src/attachment/file_attachment.dart

@@ -159,6 +159,7 @@ class FileAttachment extends AttachmentWidget {
         shape: _getDefaultShape(context),
         child: source.when(
           local: () => VideoThumbnailImage(
+            fit: BoxFit.cover,
             video: attachment.file!.path!,
             placeholderBuilder: (_) => const Center(
               child: SizedBox(
@@ -169,6 +170,7 @@ class FileAttachment extends AttachmentWidget {
             ),
           ),
           network: () => VideoThumbnailImage(
+            fit: BoxFit.cover,
             video: attachment.assetUrl!,
             placeholderBuilder: (_) => const Center(
               child: SizedBox(
@@ -247,14 +249,6 @@ class FileAttachment extends AttachmentWidget {
           ),
         ),
       ),
-        ) ??
-        IconButton(
-          icon: StreamSvgIcon.cloudDownload(color: theme.colorTheme.black),
-          visualDensity: VisualDensity.compact,
-          splashRadius: 16,
-          onPressed: () {
-            launchURL(context, attachment.assetUrl);
-          },
     );
 
     if (message.status == MessageSendingStatus.sent) {
@@ -281,14 +275,7 @@ class FileAttachment extends AttachmentWidget {
       color: theme.colorTheme.grey,
     );
     return attachment.uploadState.when(
-          preparing: () => UploadProgressIndicator(
+      preparing: () => Text(fileSize(size), style: textStyle),
-            uploaded: 0,
-            total: double.maxFinite.toInt(),
-            showBackground: false,
-            padding: EdgeInsets.zero,
-            textStyle: textStyle,
-            progressIndicatorColor: theme.colorTheme.accentBlue,
-          ),
       inProgress: (sent, total) => UploadProgressIndicator(
         uploaded: sent,
         total: total,
@@ -299,7 +286,6 @@ class FileAttachment extends AttachmentWidget {
       ),
       success: () => Text(fileSize(size), style: textStyle),
       failed: (_) => Text('UPLOAD ERROR', style: textStyle),
-        ) ??
+    );
-        Text(fileSize(size), style: textStyle);
   }
 }

packages/stream_chat_flutter/lib/src/message_input.dart

@@ -1114,8 +1114,8 @@ class MessageInputState extends State<MessageInput> {
     );
 
     if (file.size! > widget.maxAttachmentSize) {
-      if (medium.type == AssetType.video) {
+      if (medium.type == AssetType.video && file.path != null) {
-        final mediaInfo = await (VideoService.compressVideo(file.path)
+        final mediaInfo = await (VideoService.compressVideo(file.path!)
             as FutureOr<MediaInfo>);
 
         if (mediaInfo.filesize! > widget.maxAttachmentSize) {
@@ -1510,7 +1510,9 @@ class MessageInputState extends State<MessageInput> {
                       (e) => ClipRRect(
                         borderRadius: BorderRadius.circular(10),
                         child: FileAttachment(
-                          message: Message(), // dummy message
+                          message: Message(
+                            status: MessageSendingStatus.sending,
+                          ), // dummy message
                           attachment: e,
                           size: Size(
                             MediaQuery.of(context).size.width * 0.65,
@@ -1898,12 +1900,13 @@ class MessageInputState extends State<MessageInput> {
     final attachment = Attachment(
       file: file,
       type: attachmentType,
+      uploadState: const UploadState.preparing(),
       extraData: extraDataMap,
     );
 
     if (file.size! > widget.maxAttachmentSize) {
-      if (attachmentType == 'Video') {
+      if (attachmentType == 'video' && file.path != null) {
-        final mediaInfo = await (VideoService.compressVideo(file.path)
+        final mediaInfo = await (VideoService.compressVideo(file.path!)
             as FutureOr<MediaInfo>);
 
         if (mediaInfo.filesize! > widget.maxAttachmentSize) {

packages/stream_chat_flutter/lib/src/video_service.dart

@@ -28,9 +28,9 @@ class IVideoService {
   /// );
   /// debugPrint(info.toJson());
   /// ```
-  Future<MediaInfo?> compressVideo(String? path) async => _lock.synchronized(
+  Future<MediaInfo?> compressVideo(String path) async => _lock.synchronized(
         () => VideoCompress.compressVideo(
-          path!,
+          path,
         ),
       );