addition of new dashboard

backend/modules/dashboard/usage.js

@@ -0,0 +1,25 @@
+import { getPool } from "../../db/index.js";
+
+// The 'archive' module is surfaced to the UI as "audit".
+
+export async function getApiUsage(userId, { from, to }) {
+  const client = await getPool();
+  try {
+    const r = (
+      await client.query(
+        `SELECT
+           COALESCE(SUM(CASE WHEN uu.module = 'core'    THEN 1 END), 0)::int AS core,
+           COALESCE(SUM(CASE WHEN uu.module = 'archive' THEN 1 END), 0)::int AS audit
+         FROM usage u
+         JOIN usage_url uu ON uu.id = u.usage_url_id
+         WHERE u.user_id = $1
+           AND u.created_ts >= $2::date
+           AND u.created_ts < ($3::date + 1)`,
+        [userId, from, to],
+      )
+    ).rows[0];
+    return { core: r.core, audit: r.audit, total: r.core + r.audit };
+  } finally {
+    await client.release();
+  }
+}