From e9914e317b7fd78863cfd8549bad65da9292b7ca Mon Sep 17 00:00:00 2001
From: Nicolai Ort <info@nicolai-ort.com>
Date: Sat, 15 Apr 2023 21:08:08 +0200
Subject: [PATCH] Faster trackscan creation by only loading the latest scan

---
 src/models/actions/create/CreateTrackScan.ts | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/models/actions/create/CreateTrackScan.ts b/src/models/actions/create/CreateTrackScan.ts
index a17ab12..96e82b7 100644
--- a/src/models/actions/create/CreateTrackScan.ts
+++ b/src/models/actions/create/CreateTrackScan.ts
@@ -86,14 +86,13 @@ export class CreateTrackScan {
      * @returns The validated scan with it's laptime set.
      */
     public async validateScan(scan: TrackScan): Promise<TrackScan> {
-        const scans = await getConnection().getRepository(TrackScan).find({ where: { runner: scan.runner, valid: true }, relations: ["track"] });
-        if (scans.length == 0) {
+        const latestScan = await getConnection().getRepository(TrackScan).findOne({ where: { runner: scan.runner, valid: true }, relations: ["track"], order: { id: 'DESC' } });
+        if (!latestScan) {
             scan.lapTime = 0;
             scan.valid = true;
         }
         else {
-            const newestScan = scans[scans.length - 1];
-            scan.lapTime = scan.timestamp - newestScan.timestamp;
+            scan.lapTime = scan.timestamp - latestScan.timestamp;
             scan.valid = (scan.lapTime > scan.track.minimumLapTime);
         }
         return scan;