MessageFrame.cs

namespace NeuroAccessMaui.UI.Pages.Contacts.Chat.Controls
{
    public abstract class MessageFrame : Frame
    {
        public MessageFrame()
            : base()
        {
            this.Messages = [];
            this.Content = this.Messages;
        }
 
        public abstract MessageType MessageType { get; }
 
        public VerticalStackLayout Messages { get; }
 
        public static MessageFrame Create(ChatMessage Message)
        {
            return Message.MessageType switch
            {
                MessageType.Sent => new SendFrame(),
                MessageType.Received => new ReceiveFrame(),
                _ => throw new InvalidOperationException("Unhandled message type: " + Message.MessageType.ToString()),
            };
        }
 
        private static IView GetView(ChatMessage Message)
        {
            if (Message.ParsedXaml is not IView View)
            {
                View = new Label()
                {
                    Text = Message.PlainText
                };
            }
 
            return View;
        }
 
        public IView AddLast(ChatMessage Message)
        {
            IView View = GetView(Message);
            this.Messages.Add(View);
            return View;
        }
 
        public IView AddFirst(ChatMessage Message)
        {
            IView View = GetView(Message);
            this.Messages.Insert(0, View);
            return View;
        }
 
    }
}