Can send comments

lib/models/new_comment.dart

@@ -0,0 +1,23 @@
+import 'dart:io';
+
+import 'package:meta/meta.dart';
+
+/// New comment information
+///
+/// @author Pierre HUBERT
+
+class NewComment {
+  final int postID;
+  final String content;
+  final File image;
+
+  const NewComment({
+    @required this.postID,
+    @required this.content,
+    @required this.image,
+  }) : assert(postID != null);
+
+  bool get hasContent => content != null && content.length > 0;
+
+  bool get hasImage => image != null;
+}