Tech stack stub page and changing project to be just one Web Assembly project for now

WebAssembly/Services/ToastService.cs

@@ -0,0 +1,60 @@
+using WebAssembly.Data;
+
+namespace WebAssembly.Services;
+
+public class ToastService : IToastService
+{
+    private readonly List<ToastModel> _toasts = [];
+
+    public void Subscribe(Action action)
+    {
+        OnChange += action;
+    }
+
+    public void Unsubscribe(Action action)
+    {
+        OnChange += action;
+    }
+
+    public void AddToast(ToastModel toast)
+    {
+        _toasts.Insert(0, toast);
+
+        NotifyDataChanged();
+    }
+
+    public void RemoveToast(ToastModel toast)
+    {
+        _toasts.Remove(toast);
+    }
+
+    public bool HasToasts()
+    {
+        return _toasts.Count > 0;
+    }
+
+    public List<ToastModel> GetToasts()
+    {
+        return _toasts;
+    }
+
+    public void AgeToasts()
+    {
+        foreach (var toast in _toasts) toast.Age++;
+
+        NotifyDataChanged();
+    }
+
+    public void ClearAllToasts()
+    {
+        _toasts.Clear();
+        NotifyDataChanged();
+    }
+
+    private event Action OnChange = null!;
+
+    private void NotifyDataChanged()
+    {
+        OnChange();
+    }
+}