Initial commit: Craft2Prints with Stages 1-3

src/app/actions.ts

@@ -0,0 +1,32 @@
+'use server';
+
+import { headers } from 'next/headers';
+import { prisma } from '@/lib/prisma';
+import { upsertMailingListEntry } from '@/lib/mailingList';
+import { verifyTurnstileToken } from '@/lib/turnstile';
+import { getClientIp } from '@/lib/rateLimit';
+
+const EMAIL_RE = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+
+export async function subscribeToNewsletter(email: string, turnstileToken: string) {
+  const trimmed = email.trim().toLowerCase();
+  if (!EMAIL_RE.test(trimmed)) {
+    return { ok: false, message: 'Enter a valid email address.' };
+  }
+
+  const ip = getClientIp(headers());
+  const { success } = await verifyTurnstileToken(turnstileToken, ip);
+  if (!success) {
+    return { ok: false, message: 'CAPTCHA verification failed — please try again.' };
+  }
+
+  await prisma.newsletterSubscriber.upsert({
+    where: { email: trimmed },
+    create: { email: trimmed },
+    update: {},
+  });
+
+  await upsertMailingListEntry({ email: trimmed, source: 'NEWSLETTER' });
+
+  return { ok: true, message: "Thanks — you're on the list." };
+}