Nick: fixed more stuff

apps/api/src/controllers/v1/concurrency-check.ts

@@ -0,0 +1,25 @@
+import { authenticateUser } from "../auth";
+import {
+  ConcurrencyCheckParams,
+  ConcurrencyCheckResponse,
+  RequestWithAuth,
+} from "./types";
+import { RateLimiterMode } from "../../types";
+import { Response } from "express";
+import { redisConnection } from "../../services/queue-service";
+// Basically just middleware and error wrapping
+export async function concurrencyCheckController(
+  req: RequestWithAuth<ConcurrencyCheckParams, undefined, undefined>,
+  res: Response<ConcurrencyCheckResponse>
+) {
+  const concurrencyLimiterKey = "concurrency-limiter:" + req.params.teamId;
+  const now = Date.now();
+  const activeJobsOfTeam = await redisConnection.zrangebyscore(
+    concurrencyLimiterKey,
+    now,
+    Infinity
+  );
+  return res
+    .status(200)
+    .json({ success: true, concurrency: activeJobsOfTeam.length });
+}