Can create posts

lib/models/advanced_user_info.dart

@@ -8,6 +8,7 @@ import 'package:meta/meta.dart';
 
 class AdvancedUserInfo extends User {
   final String publicNote;
+  final bool canPostTexts;
 
   const AdvancedUserInfo({
     @required int id,
@@ -17,7 +18,9 @@ class AdvancedUserInfo extends User {
     @required String virtualDirectory,
     @required String accountImageURL,
     @required this.publicNote,
+    @required this.canPostTexts,
   })  : assert(publicNote != null),
+        assert(canPostTexts != null),
         super(
             id: id,
             firstName: firstName,

lib/models/new_post.dart

@@ -0,0 +1,33 @@
+import 'dart:io';
+
+import 'package:comunic/enums/post_kind.dart';
+import 'package:comunic/enums/post_target.dart';
+import 'package:comunic/enums/post_visibility_level.dart';
+import 'package:meta/meta.dart';
+
+/// New post information
+///
+/// @author Pierre HUBERT
+
+class NewPost {
+  final PostTarget target;
+  final int targetID;
+  final PostVisibilityLevel visibility;
+  final String content;
+  final File image;
+  final PostKind kind;
+
+  NewPost({
+    @required this.target,
+    @required this.targetID,
+    @required this.visibility,
+    @required this.content,
+    @required this.kind,
+    @required this.image,
+  })  : assert(target != null),
+        assert(targetID != null),
+        assert(visibility != null),
+        assert(content != null),
+        assert(kind != PostKind.TEXT || content.length > 3),
+        assert(kind != PostKind.IMAGE || image != null);
+}