Revise landing messaging and add news feed

server/utils/subscribers.ts

@@ -0,0 +1,38 @@
+import { UpdateSubscriber, UpdateSubscriberDocument } from '../models/UpdateSubscriber'
+
+interface RegisterSubscriberOptions {
+  email: string
+  name?: string
+  source?: string
+  consentPrivacy: boolean
+  consentMarketing: boolean
+}
+
+export async function registerUpdateSubscriber(options: RegisterSubscriberOptions) {
+  const { email, name, source = 'landing-updates', consentPrivacy, consentMarketing } = options
+  const now = new Date()
+
+  const existing = await UpdateSubscriber.findOne({ email })
+
+  if (existing) {
+    existing.name = name || existing.name
+    existing.source = source || existing.source
+    existing.consentPrivacy = existing.consentPrivacy || consentPrivacy
+    existing.consentMarketing = existing.consentMarketing || consentMarketing
+    existing.lastUpdatedAt = now
+    await existing.save()
+    return { created: false, document: existing as UpdateSubscriberDocument }
+  }
+
+  const document = await UpdateSubscriber.create({
+    email,
+    name,
+    source,
+    consentPrivacy,
+    consentMarketing,
+    subscribedAt: now,
+    lastUpdatedAt: now,
+  })
+
+  return { created: true, document }
+}