From 156cbfe2b0383521f540109682d98d35c88d65f8 Mon Sep 17 00:00:00 2001
From: tslil <tslil@posteo.de>
Date: Tue, 14 Jul 2026 12:20:44 +0100
Subject: don't cache album list, use compression only on json for ease of
 inspection

---
 src/trajectory.rs | 19 ++++---------------
 1 file changed, 4 insertions(+), 15 deletions(-)

(limited to 'src/trajectory.rs')

diff --git a/src/trajectory.rs b/src/trajectory.rs
index cbb0661..7f41a65 100644
--- a/src/trajectory.rs
+++ b/src/trajectory.rs
@@ -1,5 +1,5 @@
 use serde::{Deserialize, Serialize};
-use std::{collections::HashSet, time::SystemTime};
+use std::time::SystemTime;
 
 use crate::learner::Learning;
 
@@ -36,16 +36,6 @@ impl From<Option<&Learning>> for Action {
 }
 
 impl Trajectory {
-    pub fn prune(&mut self, valid: &HashSet<String>) {
-        self.history.retain_mut(|x| valid.contains(x));
-
-        if let Some(ref last_data) = self.last_data
-            && !valid.contains(&last_data.album)
-        {
-            self.last_data = None
-        }
-    }
-
     pub fn slice(&self) -> &[String] {
         &self.history
     }
@@ -54,7 +44,7 @@ impl Trajectory {
         self.last_data = Some(LastData {
             timestamp: SystemTime::now(),
             album: new_album.to_string(),
-        })
+        });
     }
 
     pub fn step(&mut self, skip_window_secs: u64) -> Option<Learning> {
@@ -74,8 +64,7 @@ impl Trajectory {
             let learnt_nothing = self
                 .streak_kind
                 .as_ref()
-                .map(|kind| *kind == action)
-                .unwrap_or(false);
+                .is_some_and(|kind| *kind == action);
 
             let learning = match (learnt_nothing, &action) {
                 (false, Action::Skip) => {
@@ -89,7 +78,7 @@ impl Trajectory {
 
             if !learnt_nothing {
                 self.history.clear();
-            };
+            }
             self.history.push(last_album);
 
             self.streak_kind = Some(action);
-- 
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