Thread Caching

Changelog-Added: Threads now load instantly and are cached

damus/Nostr/NostrEvent.swift

@@ -215,6 +215,16 @@ class NostrEvent: Codable, Identifiable, CustomStringConvertible, Equatable, Has
             }
         }
     }
+    
+    public func thread_id(privkey: String?) -> String {
+        for ref in event_refs(privkey) {
+            if let thread_id = ref.is_thread_id {
+                return thread_id.ref_id
+            }
+        }
+        
+        return self.id
+    }
 
     public func last_refid() -> ReferencedId? {
         var mlast: Int? = nil

damus/Nostr/NostrFilter.swift

@@ -43,7 +43,11 @@ struct NostrFilter: Codable, Equatable {
     public static var filter_text: NostrFilter {
         return filter_kinds([1])
     }
-
+    
+    public static func filter_ids(_ ids: [String]) -> NostrFilter {
+        return NostrFilter(ids: ids, kinds: nil, referenced_ids: nil, pubkeys: nil, since: nil, until: nil, authors: nil, hashtag: nil)
+    }
+    
     public static var filter_profiles: NostrFilter {
         return filter_kinds([0])
     }