From 1a9e9e858e465633763537c0cff4b91261bf5879 Mon Sep 17 00:00:00 2001
From: BtbN <btbn@btbn.de>
Date: Sat, 28 Dec 2024 22:03:35 +0100
Subject: [PATCH] RFC: FSRS: ignore initial reviews until first longer break

---
 rslib/src/scheduler/fsrs/params.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/rslib/src/scheduler/fsrs/params.rs b/rslib/src/scheduler/fsrs/params.rs
index 84fbed48b8a..04c92b35b85 100644
--- a/rslib/src/scheduler/fsrs/params.rs
+++ b/rslib/src/scheduler/fsrs/params.rs
@@ -331,6 +331,12 @@ pub(crate) fn reviews_for_fsrs(
         if idx > 0 {
             entries.drain(..idx);
         }
+        for i in 1..entries.len() {
+            if entries[i].id.0 - entries[i - 1].id.0 >= 2*60*60*1000 { //TODO: make the 2h offset configurable via deck options
+                entries.drain(..i);
+                break;
+            }
+        }
     } else if training {
         // when training, we ignore cards that don't have any learning steps
         return None;