chat support download updated

lib/services/chat_service.dart

@@ -24,27 +24,25 @@ class ChatService {
   Future<void> sendMessage(
       int ticketId, {
         String? message,
-        String? filePath,
+        String? clientId,
       }) async {
     final form = FormData();
 
     if (message != null) form.fields.add(MapEntry('message', message));
-    if (filePath != null) {
-      form.files.add(
-        MapEntry(
-          'file',
-          await MultipartFile.fromFile(filePath),
-        ),
-      );
-    }
+    if (clientId != null) form.fields.add(MapEntry('client_id', clientId));
 
     await dio.post('/user/chat/send/$ticketId', data: form);
   }
 
+
   // ---------------------------
   // SEND FILE (image/video/pdf/excel)
   // ---------------------------
-  Future<void> sendFile(int ticketId, File file) async {
+  Future<Map<String, dynamic>> sendFile(
+      int ticketId,
+      File file, {
+        required Function(double) onProgress,
+      }) async {
     final formData = FormData.fromMap({
       'file': await MultipartFile.fromFile(
         file.path,
@@ -52,13 +50,20 @@ class ChatService {
       ),
     });
 
-    await dio.post(
+    final res = await dio.post(
       "/user/chat/send/$ticketId",
-
       data: formData,
       options: Options(
         headers: {'Content-Type': 'multipart/form-data'},
       ),
+      onSendProgress: (sent, total) {
+        if (total > 0) {
+          onProgress(sent / total);
+        }
+      },
     );
+
+    return Map<String, dynamic>.from(res.data['message']);
   }
+
 }