fix: update stripe team member billing (#2991)

packages/lib/jobs/definitions/internal/alert-organisation-seat-drift.handler.ts

@@ -0,0 +1,67 @@
+import { mailer } from '@documenso/email/mailer';
+import { prisma } from '@documenso/prisma';
+import { IS_BILLING_ENABLED, SUPPORT_EMAIL } from '../../../constants/app';
+import { DOCUMENSO_INTERNAL_EMAIL } from '../../../constants/email';
+import type { JobRunIO } from '../../client/_internal/job';
+import type { TAlertOrganisationSeatDriftJobDefinition } from './alert-organisation-seat-drift';
+
+/**
+ * Daily check for organisations whose member count exceeds their paid seat
+ * count (`organisationClaim.memberCount`, where `0` means unlimited).
+ */
+export const run = async ({ io }: { payload: TAlertOrganisationSeatDriftJobDefinition; io: JobRunIO }) => {
+  if (!IS_BILLING_ENABLED()) {
+    return;
+  }
+
+  const organisations = await prisma.organisation.findMany({
+    where: {
+      // Exclude unlimited-seat plans (memberCount === 0).
+      organisationClaim: {
+        memberCount: {
+          not: 0,
+        },
+      },
+    },
+    select: {
+      id: true,
+      name: true,
+      organisationClaim: {
+        select: {
+          memberCount: true,
+        },
+      },
+      _count: {
+        select: {
+          members: true,
+        },
+      },
+    },
+  });
+
+  const driftedOrganisations = organisations.filter(
+    (organisation) =>
+      organisation.organisationClaim !== null &&
+      organisation._count.members > organisation.organisationClaim.memberCount,
+  );
+
+  if (driftedOrganisations.length === 0) {
+    io.logger.info('No organisations exceed their paid seat count');
+
+    return;
+  }
+
+  await mailer.sendMail({
+    to: SUPPORT_EMAIL,
+    from: DOCUMENSO_INTERNAL_EMAIL,
+    subject: `[Billing] ${driftedOrganisations.length} organisation(s) exceed their paid seat count`,
+    text: [
+      `${driftedOrganisations.length} organisation(s) have more members than their paid seat count:`,
+      '',
+      ...driftedOrganisations.map(
+        (organisation) =>
+          `- ${organisation.name} (${organisation.id}): ${organisation._count.members} members vs ${organisation.organisationClaim?.memberCount ?? 0} paid seats`,
+      ),
+    ].join('\n'),
+  });
+};