From 909701ce7b29eae173b02cac2b89e23104e5a756 Mon Sep 17 00:00:00 2001
From: William Casarin <jb55@jb55.com>
Date: Wed, 10 Jan 2024 11:32:38 -0800
Subject: [PATCH] profile: partially fix performance regression

This will be completely fixed once we switch to stored note blocks
---
 damus/Models/ContentFilters.swift |  3 ++-
 nostrdb/NdbNote+.swift            | 15 +++++++++++++--
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/damus/Models/ContentFilters.swift b/damus/Models/ContentFilters.swift
index 67c2b4a8..da3c6ba5 100644
--- a/damus/Models/ContentFilters.swift
+++ b/damus/Models/ContentFilters.swift
@@ -31,7 +31,8 @@ func nsfw_tag_filter(ev: NostrEvent) -> Bool {
 func get_repost_of_muted_user_filter(damus_state: DamusState) -> ((_ ev: NostrEvent) -> Bool) {
     return { ev in
         guard ev.known_kind == .boost else { return true }
-        guard let inner_ev = ev.get_inner_event(cache: damus_state.events) else { return true }
+        // This needs to use cached because it can be way too slow otherwise
+        guard let inner_ev = ev.get_cached_inner_event(cache: damus_state.events) else { return true }
         return should_show_event(keypair: damus_state.keypair, hellthreads: damus_state.muted_threads, contacts: damus_state.contacts, ev: inner_ev)
     }
 }
diff --git a/nostrdb/NdbNote+.swift b/nostrdb/NdbNote+.swift
index ea925f91..79b2d4c7 100644
--- a/nostrdb/NdbNote+.swift
+++ b/nostrdb/NdbNote+.swift
@@ -9,7 +9,11 @@ import Foundation
 
 // Extension to make NdbNote compatible with NostrEvent's original API
 extension NdbNote {
-    func get_inner_event(cache: EventCache) -> NdbNote? {
+    func parse_inner_event() -> NdbNote? {
+        return NdbNote.owned_from_json_cstr(json: content_raw, json_len: content_len)
+    }
+
+    func get_cached_inner_event(cache: EventCache) -> NdbNote? {
         guard self.known_kind == .boost else {
             return nil
         }
@@ -19,6 +23,13 @@ extension NdbNote {
             return cache.lookup(id)
         }
 
-        return self.get_inner_event()
+        return nil
+    }
+
+    func get_inner_event(cache: EventCache) -> NdbNote? {
+        if let ev = get_cached_inner_event(cache: cache) {
+            return ev
+        }
+        return self.parse_inner_event()
     }
 }