POST CREATE::
                var message = new ForumMessage
                {
                    TopicId = topic.Id,
                    CreatorId = user.Id,
                    Created = now,
                    Modified = now,
                    Text = model.Text,
                    Buttons = model.Buttons
                };

GET EDIT::
            var model = new ForumMessageEditModel
            {
                Text = message.Text,
                Buttons = message.Buttons
            };

POST EDIT::
            if (this.ModelState.IsValid)
            {
                message.Text = model.Text;
                message.Buttons = model.Buttons;
                message.Modified = DateTime.UtcNow;
                await this.context.SaveChangesAsync();
                return this.RedirectToAction("Details", "ForumTopics", new { id = message.TopicId });
            }