status: fix status events not expiring locally

Changelog-Fixed: Fix status events not expiring locally

damus/Components/Status/UserStatus.swift

@@ -19,15 +19,22 @@ struct UserStatus {
     let type: UserStatusType
     let expires_at: Date?
     let content: String
+    let created_at: UInt32
 
     func to_note(keypair: FullKeypair) -> NostrEvent? {
         return make_user_status_note(status: self, keypair: keypair)
     }
 
-    init(type: UserStatusType, expires_at: Date?, content: String) {
+    init(type: UserStatusType, expires_at: Date?, content: String, created_at: UInt32) {
         self.type = type
         self.expires_at = expires_at
         self.content = content
+        self.created_at = created_at
+    }
+
+    func expired() -> Bool {
+        guard let expires_at else { return false }
+        return Date.now >= expires_at
     }
 
     init?(ev: NostrEvent) {
@@ -54,6 +61,7 @@ struct UserStatus {
         }
 
         self.content = ev.content
+        self.created_at = ev.created_at
     }
 
 }
@@ -77,6 +85,16 @@ class UserStatusModel: ObservableObject {
         }
     }
 
+    func try_expire() {
+        if let general, general.expired() {
+            self.general = nil
+        }
+
+        if let music, music.expired() {
+            self.music = nil
+        }
+    }
+
     var _playing_enabled: Bool
     var playing_enabled: Bool {
         set {

damus/Components/Status/UserStatusSheet.swift

@@ -45,7 +45,7 @@ struct UserStatusSheet: View {
         Binding(get: {
             status.general?.content ?? ""
         }, set: { v in
-            status.general = UserStatus(type: .general, expires_at: duration.expiration, content: v)
+            status.general = UserStatus(type: .general, expires_at: duration.expiration, content: v, created_at: UInt32(Date.now.timeIntervalSince1970))
         })
     }