fix(lr2hook): reject BP if user failed

LR2Hook sends invalid BP if the user ends up exiting the song early.
We need to handle this, and not accept it.

server/src/lib/migration/migrations.ts

@@ -1,5 +1,6 @@
 import UGPTAddPreferredRanking from "./migrations/add-preferredRanking-to-ugpt";
 import UGPTRivalsMigration from "./migrations/add-rivals-to-ugpt";
+import NullLR2HookFailedBPs from "./migrations/null-lr2hook-failed-bps";
 import RecalcBrokenIIDXNotecounts from "./migrations/recalc-broken-iidx-notecounts";
 import RemoveIIDXBeginners from "./migrations/remove-iidx-beginners";
 import RemoveMultifolderStats from "./migrations/remove-multifolder-stats";
@@ -44,7 +45,7 @@ if (Environment.nodeEnv !== "test") {
 
 	// bokutachi specific migrations
 	if (TachiConfig.TYPE !== "ktchi") {
-		// none, currently
+		REGISTERED_MIGRATIONS.push(NullLR2HookFailedBPs);
 	}
 }
 

server/src/lib/migration/migrations/null-lr2hook-failed-bps.ts

@@ -0,0 +1,31 @@
+import db from "external/mongo/db";
+import { UpdateAllPBs } from "utils/calculations/recalc-scores";
+import type { Migration } from "utils/types";
+
+const migration: Migration = {
+	id: "null-lr2hook-failed-bps",
+	up: async () => {
+		await db.scores.update(
+			{
+				importType: "ir/lr2hook",
+				"scoreMeta.gauge": "HARD",
+				lamp: { $in: ["FAILED", "NO PLAY"] },
+			},
+			{
+				$set: {
+					"scoreData.hitMeta.bp": null,
+				},
+			},
+			{
+				multi: true,
+			}
+		);
+
+		await UpdateAllPBs(undefined, { game: "bms" });
+	},
+	down: () => {
+		throw new Error(`Unable to revert transaction, some scores may have been nulled.`);
+	},
+};
+
+export default migration;