4 files changed, 114 insertions, 0 deletions
diff --git a/api/_ContactFormSubmission.ts b/api/_ContactFormSubmission.ts
new file mode 100644
index 0000000..a6cc535
--- /dev/null
+++ b/api/_ContactFormSubmission.ts
@@ -0,0 +1,9 @@
+type ContactFormSubmission = {
+	recipient: string,
+	name: string,
+	email: string,
+	subject: string,
+	message: string,
+};
+
+export default ContactFormSubmission;
diff --git a/api/_contactDetails.ts b/api/_contactDetails.ts
new file mode 100644
index 0000000..dae3968
--- /dev/null
+++ b/api/_contactDetails.ts
@@ -0,0 +1,14 @@
+export default {
+	general: {
+		displayName: 'Scots Leid Associe',
+		email: 'lallans@hotmail.co.uk',
+	},
+	'membership-secretary': {
+		displayName: 'Memmership Secretar, Scots Leid Associe',
+		email: 'lallans@hotmail.co.uk',
+	},
+	'lallans-editor': {
+		displayName: 'Eiditor, Lallans magazine',
+		email: 'w.hershaw678@btinternet.com',
+	},
+};
diff --git a/api/_send-email.ts b/api/_send-email.ts
new file mode 100644
index 0000000..73f0bc3
--- /dev/null
+++ b/api/_send-email.ts
@@ -0,0 +1,41 @@
+import nodemailer from 'nodemailer';
+import CONTACT_DETAILS from '_contactDetails';
+
+const transporter = nodemailer.createTransport({
+  host: TODO,
+  port: 587,
+  secure: false, // Use `true` for port 465, `false` for all other ports
+  auth: {
+    user: TODO,
+    pass: TODO,
+  },
+});
+
+export async function sendEmail({ recipient, senderName, senderEmail, subject, body }: SendEmailArgs) {
+	const validRecipients = Object.keys(CONTACT_DETAILS);
+	if (!validRecipients.includes(recipient)) {
+		throw new Error(
+			'Invalid recipient. Recipient must be one of: '
+			+ validRecipients.join(', ')
+			+ '.'
+		);
+	}
+	const contactDetails = CONTACT_DETAILS[recipient];
+
+  const info = await transporter.sendMail({
+    from: `"${senderName}" <${senderEmail}>`,
+    to: contactDetails.email,
+    subject,
+    text: body,
+  });
+
+  console.log("Message sent: %s", info.messageId);
+}
+
+type SendEmailArgs = {
+	recipient: string,
+	senderName: string,
+	senderEmail: string,
+	subject: string,
+	body: string,
+};
diff --git a/api/contact-form.ts b/api/contact-form.ts
new file mode 100644
index 0000000..a171020
--- /dev/null
+++ b/api/contact-form.ts
@@ -0,0 +1,50 @@
+import type { VercelRequest, VercelResponse } from '@vercel/node';
+import ContactFormSubmission from '_ContactFormSubmission';
+import CONTACT_DETAILS from '_contactDetails';
+import { sendEmail } from '_send-email';
+
+export default async function handler(request: VercelRequest, response: VercelResponse) {
+  if (request.method !== 'POST') {
+		response.status(405).send('To send an enquiry, use the POST method.');
+		return;
+	}
+
+	const { recipient, name, email, subject, message }: Partial<ContactFormSubmission> = request.body;
+
+	if (!recipient || recipient === '') {
+		response.status(400).send('Expected body to identify the recipient, but none was provided.');
+	} else if (!name || name === '') {
+		response.status(400).send('Expected body to contain the name of the sender, but none was provided.');
+	} else if (!email || email === '') {
+		response.status(400).send('Expected body to contain the email of the sender, but none was provided.');
+	} else if (!subject || subject === '') {
+		response.status(400).send('Expected body to contain the subject of the enquiry, but none was provided.');
+	} else if (!message || message === '') {
+		response.status(400).send('Expected body to contain the message body, but none was provided.');
+	}
+
+	const validRecipients = Object.keys(CONTACT_DETAILS);
+	if (!validRecipients.includes(recipient)) {
+		response.status(400).send(
+			'Invalid recipient. Recipient must be one of: '
+			+ validRecipients.join(', ')
+			+ '.'
+		);
+	}
+
+	try {
+		sendEmail({
+			recipient,
+			senderName: name,
+			senderEmail: email,
+			subject,
+			body: message,
+		});
+	} catch (err) {
+		response.status(500).send('Failed to send email: ' + err.toString());
+		return;
+	}
+
+	response.status(201).send(`Sent email to ${CONTACT_DETAILS[recipient].displayName}.`)
+}
+