Initial import: property management SaaS + security hardening + admin dashboard

Property Management Network — Next.js 16 (App Router), Better Auth, Drizzle ORM over PostgreSQL, Stripe, OpenAI, Resend. Includes: - Security hardening: access-control/IDOR fixes, TLS-by-default DB layer, constant-time cron auth, strict security headers, atomic AI quota gating, HTML/email output encoding, demo-backdoor disabled in production. - Superadmin dashboard at /admin (overview/MRR, server-paginated users with ban/impersonate/plan/delete, billing, platform activity + admin audit log, AI usage, system health) via the Better Auth admin plugin. - Seed/migration utility scripts under scripts/. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-23 20:36:07 -04:00
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+import { NextResponse } from "next/server"
+import { and, eq, lt, lte } from "drizzle-orm"
+import { db } from "@/lib/db"
+import { rent_payments, leases } from "@/lib/db/schema"
+import { sendEmail, rentDueReminderHtml, rentOverdueHtml, leaseExpiryHtml } from "@/lib/email/send"
+import { formatCurrency, formatDate, daysUntil } from "@/lib/utils"
+import { isAuthorizedCron } from "@/lib/cron-auth"
+
+// Combined daily cron: rent reminders + overdue marking + lease expiry emails
+// Runs daily at 9am (see vercel.json)
+export async function GET(request: Request) {
+  if (!isAuthorizedCron(request)) {
+    return NextResponse.json({ error: "Unauthorized" }, { status: 401 })
+  }
+
+  const today = new Date().toISOString().slice(0, 10)
+
+  // ──────────────────────────────────────
+  // 1. RENT REMINDERS (due in 3 days)
+  // ──────────────────────────────────────
+  const in3Days = new Date()
+  in3Days.setDate(in3Days.getDate() + 3)
+  const in3DaysStr = in3Days.toISOString().slice(0, 10)
+
+  const upcoming = await db.query.rent_payments.findMany({
+    where: and(eq(rent_payments.status, "pending"), eq(rent_payments.due_date, in3DaysStr)),
+    with: {
+      tenant: { columns: { first_name: true, last_name: true, email: true } },
+      property: { columns: { name: true } },
+      unit: { columns: { unit_number: true } },
+    },
+  })
+
+  for (const payment of upcoming) {
+    if (!payment.tenant?.email) continue
+    await sendEmail({
+      to: payment.tenant.email,
+      subject: `Rent Due in 3 Days — ${payment.property?.name}`,
+      html: rentDueReminderHtml({
+        tenantName: `${payment.tenant.first_name} ${payment.tenant.last_name}`,
+        propertyName: payment.property?.name ?? "",
+        unitNumber: payment.unit?.unit_number ?? "—",
+        amount: formatCurrency(payment.amount),
+        dueDate: formatDate(payment.due_date),
+      }),
+    })
+  }
+
+  // ──────────────────────────────────────
+  // 2. MARK OVERDUE + SEND NOTICE
+  // ──────────────────────────────────────
+  const pastDue = await db.query.rent_payments.findMany({
+    where: and(eq(rent_payments.status, "pending"), lt(rent_payments.due_date, today)),
+    with: {
+      tenant: { columns: { first_name: true, last_name: true, email: true } },
+      property: { columns: { name: true } },
+      unit: { columns: { unit_number: true } },
+    },
+  })
+
+  for (const payment of pastDue) {
+    await db
+      .update(rent_payments)
+      .set({ status: "overdue" })
+      .where(eq(rent_payments.id, payment.id))
+
+    if (!payment.tenant?.email) continue
+    await sendEmail({
+      to: payment.tenant.email,
+      subject: `Rent Overdue — ${payment.property?.name}`,
+      html: rentOverdueHtml({
+        tenantName: `${payment.tenant.first_name} ${payment.tenant.last_name}`,
+        propertyName: payment.property?.name ?? "",
+        unitNumber: payment.unit?.unit_number ?? "—",
+        amount: formatCurrency(payment.amount),
+        dueDate: formatDate(payment.due_date),
+      }),
+    })
+  }
+
+  // ──────────────────────────────────────
+  // 3. LEASE EXPIRY REMINDERS (60/30/7 days)
+  // ──────────────────────────────────────
+  const checkpoints = [
+    { days: 60, field: "reminder_60_sent" as const },
+    { days: 30, field: "reminder_30_sent" as const },
+    { days: 7,  field: "reminder_7_sent"  as const },
+  ]
+
+  let leaseRemindersSent = 0
+
+  for (const { days, field } of checkpoints) {
+    const target = new Date()
+    target.setDate(target.getDate() + days)
+    const targetStr = target.toISOString().slice(0, 10)
+
+    const expiringLeases = await db.query.leases.findMany({
+      where: and(
+        eq(leases.status, "active"),
+        eq(leases[field], false),
+        lte(leases.lease_end, targetStr)
+      ),
+      with: {
+        tenant: { columns: { first_name: true, last_name: true, email: true } },
+        property: { columns: { name: true } },
+        unit: { columns: { unit_number: true } },
+      },
+    })
+
+    for (const lease of expiringLeases) {
+      if (!lease.tenant?.email) continue
+
+      const daysLeft = daysUntil(lease.lease_end)
+
+      await sendEmail({
+        to: lease.tenant.email,
+        subject: `Your lease expires in ${daysLeft} days — ${lease.property?.name}`,
+        html: leaseExpiryHtml({
+          tenantName: `${lease.tenant.first_name} ${lease.tenant.last_name}`,
+          propertyName: lease.property?.name ?? "",
+          unitNumber: lease.unit?.unit_number ?? "—",
+          leaseEnd: formatDate(lease.lease_end),
+          daysLeft,
+        }),
+      })
+
+      await db
+        .update(leases)
+        .set({ [field]: true })
+        .where(eq(leases.id, lease.id))
+
+      leaseRemindersSent++
+    }
+  }
+
+  return NextResponse.json({
+    rent_reminders_sent: upcoming.length,
+    marked_overdue: pastDue.length,
+    lease_reminders_sent: leaseRemindersSent,
+  })
+}