BREAKING: postgres + saas

app/landing/actions.ts

@@ -0,0 +1,36 @@
+"use server"
+
+import { resend, sendNewsletterWelcomeEmail } from "@/lib/email"
+
+export async function subscribeToNewsletterAction(email: string) {
+  try {
+    if (!email || !email.includes("@")) {
+      return { success: false, error: "Invalid email address" }
+    }
+
+    const existingContacts = await resend.contacts.list({
+      audienceId: process.env.RESEND_AUDIENCE_ID as string,
+    })
+
+    if (existingContacts.data) {
+      const existingContact = existingContacts.data.data.find((contact: any) => contact.email === email)
+
+      if (existingContact) {
+        return { success: false, error: "You are already subscribed to the newsletter" }
+      }
+    }
+
+    await resend.contacts.create({
+      email,
+      audienceId: process.env.RESEND_AUDIENCE_ID as string,
+      unsubscribed: false,
+    })
+
+    await sendNewsletterWelcomeEmail(email)
+
+    return { success: true }
+  } catch (error) {
+    console.error("Newsletter subscription error:", error)
+    return { error: "Failed to subscribe. Please try again later." }
+  }
+}