From 152894146b72830e48e800721ea6160228a9bdc1 Mon Sep 17 00:00:00 2001
From: Pinapelz <yukais@pinapelz.com>
Date: Mon, 7 Jul 2025 00:00:22 -0700
Subject: generate sha-1 hash for chart on score import

---
 backend/src/routes/score.ts | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'backend/src')

diff --git a/backend/src/routes/score.ts b/backend/src/routes/score.ts
index e0f2281..d0fdc56 100644
--- a/backend/src/routes/score.ts
+++ b/backend/src/routes/score.ts
@@ -1,6 +1,7 @@
 import express from "express";
 import { prisma } from "../config/db";
 import { PAGE_SIZE } from "../config/constants";
+import crypto from "crypto";
 
 export const handleScoreUpload = async (
   req: express.Request,
@@ -42,6 +43,10 @@ export const handleScoreUpload = async (
     let skippedCount = 0;
 
     for (const scoreData of scoresArray) {
+      const chartIdHash = crypto
+        .createHash("sha1")
+        .update(`${internalGameName}${scoreData.title}${scoreData.artist}`)
+        .digest("hex");
       // Check if exact same score data already exists
       const existingScore = await prisma.score.findFirst({
         where: {
@@ -56,9 +61,26 @@ export const handleScoreUpload = async (
       if (existingScore) {
         skippedCount++;
       } else {
+        const chartExists = await prisma.charts.findFirst({
+          where: {
+            gameInternalName: internalGameName,
+            chartId: chartIdHash,
+          },
+        });
+        if(!chartExists){
+          await prisma.charts.create({
+            data: {
+              gameInternalName: internalGameName,
+              chartId: chartIdHash,
+              title: scoreData.title,
+              artist: scoreData.artist,
+            },
+          });
+        }
         scoresToCreate.push({
           gameInternalName: internalGameName,
           userId: userId,
+          chartId: chartIdHash,
           timestamp: scoreData.timestamp,
           data: scoreData,
         });
-- 
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