MNTOR-1859 - expose stats API, starting with scans (#3280)

* MNTOR-1859 - expose stats API, starting with scans

- monthly quota
- current scan count

.env-dist

@@ -138,3 +138,6 @@ PREMIUM_ENABLED=
 # Link to start user on the subscription process. PREMIUM_ENABLED must be set to `true`.
 PREMIUM_PRODUCT_ID=prod_NErZh679W62lai
 PREMIUM_PLAN_ID_US=price_1MUNq0Kb9q6OnNsL4BoJgepf
+
+MONTHLY_SCANS_QUOTA=
+STATS_TOKEN=

src/app/api/v1/stats/route.ts

@@ -0,0 +1,32 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import { NextRequest, NextResponse } from "next/server";
+import { getScansCount } from "../../../../db/tables/onerep_scans";
+import { bearerToken } from "../../utils/auth";
+
+export async function GET(req: NextRequest) {
+  const headerToken = bearerToken(req);
+  if (headerToken !== process.env.STATS_TOKEN) {
+    return NextResponse.json({ success: "false" }, { status: 401 });
+  }
+
+  const monthlyQuota = process.env.MONTHLY_SCANS_QUOTA;
+
+  const now = new Date();
+  const firstDayOfMonth = new Date(now.getFullYear(), now.getMonth(), 1);
+
+  const result = await getScansCount(
+    firstDayOfMonth.toDateString(),
+    now.toDateString()
+  );
+  const scansCount = result[0]["count"];
+
+  const message = {
+    monthlyQuota,
+    scansCount,
+  };
+
+  return NextResponse.json({ success: true, message }, { status: 200 });
+}

src/db/tables/onerep_scans.ts

@@ -83,10 +83,17 @@ async function setOnerepScanResults(
     });
 }
 
+async function getScansCount(startDate: string, endDate: string) {
+  return await knex("onerep_scans")
+    .count("id")
+    .whereBetween("created_at", [startDate, endDate]);
+}
+
 export {
   getLatestOnerepScan,
   getOnerepScanResults,
   setOnerepProfileId,
   setOnerepScan,
   setOnerepScanResults,
+  getScansCount,
 };