add leaderboard embed image

projects/backend/src/service/replay.service.ts

@@ -0,0 +1,27 @@
+import ky from "ky";
+import { NotFoundError } from "../error/not-found-error";
+
+const SCORESABER_REPLAY_ENDPOINT = "https://scoresaber.com/api/game/telemetry/downloadReplay";
+
+export class ReplayService {
+  /**
+   * Gets the app statistics.
+   */
+  public static async getReplay(playerId: string, leaderboardId: string) {
+    const response = await ky.get(SCORESABER_REPLAY_ENDPOINT, {
+      searchParams: {
+        playerId,
+        leaderboardId,
+      },
+      headers: {
+        "User-Agent": "ScoreSaber-PC/3.3.13",
+      },
+    });
+    const replayData = await response.arrayBuffer();
+    if (replayData === undefined) {
+      throw new NotFoundError(`Replay for player "${playerId}" and leaderboard "${leaderboardId}" not found`);
+    }
+
+    return replayData;
+  }
+}