Add waitlist invitation sending from admin

2026-08-10 03:16:10 +08:00 · 2025-10-07 12:29:21 +02:00
parent fd642ebad1
commit 0bcaf85c23
9 changed files with 303 additions and 14 deletions
--- a/server/utils/invitations.ts
+++ b/server/utils/invitations.ts
@@ -0,0 +1,50 @@
+import { randomBytes } from 'node:crypto'
+import { readFile } from 'node:fs/promises'
+import { join } from 'node:path'
+
+let cachedHtmlTemplate: string | null = null
+
+export function generateInvitationCode() {
+  return randomBytes(4).toString('hex').toUpperCase()
+}
+
+async function loadInvitationTemplate() {
+  if (cachedHtmlTemplate) {
+    return cachedHtmlTemplate
+  }
+
+  const templatePath = join(process.cwd(), 'public', 'docs', 'invites.html')
+
+  try {
+    const file = await readFile(templatePath, 'utf8')
+    cachedHtmlTemplate = file
+    return file
+  } catch (error) {
+    console.warn('Could not load invitation email template, falling back to plain HTML.', error)
+    const fallback = `<!DOCTYPE html><html><body><p>Your OpenSquawk invite code: <strong>{{INVITE_CODE}}</strong></p></body></html>`
+    cachedHtmlTemplate = fallback
+    return fallback
+  }
+}
+
+export async function renderInvitationEmail(code: string) {
+  const template = await loadInvitationTemplate()
+  return template.replace(/{{INVITE_CODE}}/g, code)
+}
+
+export function renderInvitationText(code: string) {
+  const lines = [
+    'Welcome to OpenSquawk!',
+    '',
+    'Thanks for joining the waitlist — here is your personal invite code:',
+    code,
+    '',
+    'Use it to register your account:',
+    'https://opensquawk.de/login?mode=register',
+    '',
+    'Blue skies,',
+    'Your OpenSquawk crew',
+  ]
+
+  return lines.join('\n')
+}