✨ Activity-based browsing

DysonNetwork.Sphere/Activity/Activity.cs

@@ -0,0 +1,21 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace DysonNetwork.Sphere.Activity;
+
+public enum ActivityVisibility
+{
+    Public,
+    Friends,
+}
+
+public class Activity : ModelBase
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+    [MaxLength(1024)] public string Type { get; set; } = null!;
+    [MaxLength(4096)] public string ResourceIdentifier { get; set; } = null!;
+    public ActivityVisibility Visibility { get; set; } = ActivityVisibility.Public;
+    public Dictionary<string, object> Meta =  new();
+    
+    public long AccountId { get; set; }
+    public Account.Account Account { get; set; } = null!;
+}