From 62bff27d50b1103f518116602697949bf7ed2f82 Mon Sep 17 00:00:00 2001
From: Lambda <csgl@xiretza.xyz>
Date: Mon, 20 May 2024 16:13:58 +0000
Subject: [PATCH] Remove unused cache

---
 src/service.rs                | 7 -------
 src/service/rooms/timeline.rs | 9 +++------
 2 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/src/service.rs b/src/service.rs
index 65548616..b610f6fc 100644
--- a/src/service.rs
+++ b/src/service.rs
@@ -124,7 +124,6 @@ impl Services {
                 },
                 timeline: rooms::timeline::Service {
                     db,
-                    lasttimelinecount_cache: Mutex::new(HashMap::new()),
                 },
                 threads: rooms::threads::Service {
                     db,
@@ -173,8 +172,6 @@ impl Services {
             .len();
         let stateinfo_cache =
             self.rooms.state_compressor.stateinfo_cache.lock().unwrap().len();
-        let lasttimelinecount_cache =
-            self.rooms.timeline.lasttimelinecount_cache.lock().await.len();
         let roomid_spacechunk_cache =
             self.rooms.spaces.roomid_spacechunk_cache.lock().await.len();
 
@@ -184,7 +181,6 @@ lazy_load_waiting: {lazy_load_waiting}
 server_visibility_cache: {server_visibility_cache}
 user_visibility_cache: {user_visibility_cache}
 stateinfo_cache: {stateinfo_cache}
-lasttimelinecount_cache: {lasttimelinecount_cache}
 roomid_spacechunk_cache: {roomid_spacechunk_cache}"
         )
     }
@@ -212,9 +208,6 @@ roomid_spacechunk_cache: {roomid_spacechunk_cache}"
         if amount > 3 {
             self.rooms.state_compressor.stateinfo_cache.lock().unwrap().clear();
         }
-        if amount > 4 {
-            self.rooms.timeline.lasttimelinecount_cache.lock().await.clear();
-        }
         if amount > 5 {
             self.rooms.spaces.roomid_spacechunk_cache.lock().await.clear();
         }
diff --git a/src/service/rooms/timeline.rs b/src/service/rooms/timeline.rs
index 1cc479fc..9ef5758b 100644
--- a/src/service/rooms/timeline.rs
+++ b/src/service/rooms/timeline.rs
@@ -2,7 +2,7 @@ mod data;
 
 use std::{
     cmp::Ordering,
-    collections::{BTreeMap, HashMap, HashSet},
+    collections::{BTreeMap, HashSet},
     sync::Arc,
 };
 
@@ -23,12 +23,11 @@ use ruma::{
     serde::Base64,
     state_res::{self, Event, RoomVersion},
     uint, user_id, CanonicalJsonObject, CanonicalJsonValue, EventId,
-    OwnedEventId, OwnedRoomId, OwnedServerName, RoomId, RoomVersionId,
-    ServerName, UserId,
+    OwnedEventId, OwnedServerName, RoomId, RoomVersionId, ServerName, UserId,
 };
 use serde::Deserialize;
 use serde_json::value::{to_raw_value, RawValue as RawJsonValue};
-use tokio::sync::{Mutex, MutexGuard, RwLock};
+use tokio::sync::{MutexGuard, RwLock};
 use tracing::{error, info, warn};
 
 use super::state_compressor::CompressedStateEvent;
@@ -92,8 +91,6 @@ impl Ord for PduCount {
 
 pub(crate) struct Service {
     pub(crate) db: &'static dyn Data,
-
-    pub(crate) lasttimelinecount_cache: Mutex<HashMap<OwnedRoomId, PduCount>>,
 }
 
 impl Service {