addition of new dashboard

backend/modules/dashboard/series.js

@@ -0,0 +1,61 @@
+import { getPool } from "../../db/index.js";
+
+// Usage counts are per-day; storage totals are running cumulatives.
+export async function getSeries(userId, { from, to }) {
+  const client = await getPool();
+  try {
+    const res = await client.query(
+      `SELECT
+         to_char(d, 'YYYY-MM-DD') AS date,
+         (
+           SELECT COUNT(*)::int FROM usage u
+           JOIN usage_url uu ON uu.id = u.usage_url_id
+           WHERE u.user_id = $1 AND uu.module = 'core'
+             AND u.created_ts >= d AND u.created_ts < d + interval '1 day'
+         ) AS core,
+         (
+           SELECT COUNT(*)::int FROM usage u
+           JOIN usage_url uu ON uu.id = u.usage_url_id
+           WHERE u.user_id = $1 AND uu.module = 'archive'
+             AND u.created_ts >= d AND u.created_ts < d + interval '1 day'
+         ) AS audit,
+         (
+           SELECT COALESCE(SUM(pg_column_size(ed.data)), 0)::bigint
+           FROM event e
+           JOIN event_data ed ON ed.event_id = e.id
+           WHERE e.user_id = $1 AND e.created_as_ts < d + interval '1 day'
+         ) AS core_disk,
+         (
+           (
+             SELECT COALESCE(SUM(pg_column_size(a.digest)), 0)::bigint
+             FROM audit a
+             JOIN event e ON e.event_id_uuid = a.event_id AND e.user_id = $1
+             WHERE a.created_ts < d + interval '1 day'
+           )
+           +
+           (
+             SELECT COALESCE(SUM(pg_column_size(s.jws)), 0)::bigint
+             FROM audit_signature s
+             JOIN audit a ON a.audit_id = s.audit_id
+             JOIN event e ON e.event_id_uuid = a.event_id AND e.user_id = $1
+             WHERE a.created_ts < d + interval '1 day'
+           )
+         ) AS audit_disk
+       FROM generate_series($2::date, $3::date, interval '1 day') AS d
+       ORDER BY d`,
+      [userId, from, to],
+    );
+
+    const usage = [];
+    const storage = [];
+    for (const r of res.rows) {
+      const core = r.core, audit = r.audit;
+      usage.push({ date: r.date, core, audit, total: core + audit });
+      const coreDisk = Number(r.core_disk), auditDisk = Number(r.audit_disk);
+      storage.push({ date: r.date, coreDisk, auditDisk, totalDisk: coreDisk + auditDisk });
+    }
+    return { usage, storage };
+  } finally {
+    await client.release();
+  }
+}