From 697040d862213b195964be197a2d636faf8537e9 Mon Sep 17 00:00:00 2001
From: kernelkind <kernelkind@gmail.com>
Date: Mon, 25 Aug 2025 09:52:42 -0400
Subject: [PATCH] make since optimize accept Option<&NoteRef> instead of notes

Signed-off-by: kernelkind <kernelkind@gmail.com>
---
 crates/notedeck/src/filter.rs               | 15 +++++++++------
 crates/notedeck_columns/src/timeline/mod.rs |  2 +-
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/crates/notedeck/src/filter.rs b/crates/notedeck/src/filter.rs
index 6a57f768..073b25ef 100644
--- a/crates/notedeck/src/filter.rs
+++ b/crates/notedeck/src/filter.rs
@@ -183,21 +183,24 @@ pub fn should_since_optimize(limit: u64, num_notes: usize) -> bool {
     limit as usize <= num_notes
 }
 
-pub fn since_optimize_filter_with(filter: Filter, notes: &[NoteRef], since_gap: u64) -> Filter {
+pub fn since_optimize_filter_with(
+    filter: Filter,
+    latest_note: Option<&NoteRef>,
+    since_gap: u64,
+) -> Filter {
     // Get the latest entry in the events
-    if notes.is_empty() {
+    let Some(latest) = latest_note else {
         return filter;
-    }
+    };
 
     // get the latest note
-    let latest = notes[0];
     let since = latest.created_at - since_gap;
 
     filter.since_mut(since)
 }
 
-pub fn since_optimize_filter(filter: Filter, notes: &[NoteRef]) -> Filter {
-    since_optimize_filter_with(filter, notes, 60)
+pub fn since_optimize_filter(filter: Filter, latest: Option<&NoteRef>) -> Filter {
+    since_optimize_filter_with(filter, latest, 60)
 }
 
 pub fn default_limit() -> u64 {
diff --git a/crates/notedeck_columns/src/timeline/mod.rs b/crates/notedeck_columns/src/timeline/mod.rs
index 7118814a..df2587c8 100644
--- a/crates/notedeck_columns/src/timeline/mod.rs
+++ b/crates/notedeck_columns/src/timeline/mod.rs
@@ -552,7 +552,7 @@ pub fn send_initial_timeline_filter(
                 // notes than the limit, we might want to backfill
                 // older notes
                 if can_since_optimize && filter::should_since_optimize(lim, notes.len()) {
-                    filter = filter::since_optimize_filter(filter, notes);
+                    filter = filter::since_optimize_filter(filter, Some(&notes[0]));
                 } else {
                     warn!("Skipping since optimization for {:?}: number of local notes is less than limit, attempting to backfill.", &timeline.kind);
                 }