From 09aabcf1e59955960249e402ea1f32558abb2a05 Mon Sep 17 00:00:00 2001
From: Arkadiusz Fal <arek@arekf.net>
Date: Mon, 14 Nov 2022 18:46:50 +0100
Subject: [PATCH] Preload history videos on home appear

---
 Shared/Home/HistoryView.swift | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/Shared/Home/HistoryView.swift b/Shared/Home/HistoryView.swift
index 1969ad32..ef969242 100644
--- a/Shared/Home/HistoryView.swift
+++ b/Shared/Home/HistoryView.swift
@@ -1,6 +1,8 @@
 import SwiftUI
 
 struct HistoryView: View {
+    static let detailsPreloadLimit = 50
+
     @FetchRequest(sortDescriptors: [.init(key: "watchedAt", ascending: false)])
     var watches: FetchedResults<Watch>
 
@@ -15,7 +17,6 @@ struct HistoryView: View {
                     HStack {
                         Image(systemName: "clock")
                         Text("Playback history is empty")
-
                     }.foregroundColor(.secondary)
                 }
             } else {
@@ -24,15 +25,18 @@ struct HistoryView: View {
                         item: PlayerQueueItem.from(watch, video: player.historyVideo(watch.videoID)),
                         history: true
                     )
-                    .onAppear {
-                        player.loadHistoryVideoDetails(watch.videoID)
-                    }
                     .contextMenu {
                         VideoContextMenuView(video: player.historyVideo(watch.videoID) ?? watch.video)
                     }
                 }
             }
         }
+        .onAppear {
+            visibleWatches
+                .prefix(Self.detailsPreloadLimit)
+                .map(\.videoID)
+                .forEach(player.loadHistoryVideoDetails)
+        }
         #if os(tvOS)
         .padding(.horizontal, 40)
         #else