Style feedback drip email like invites

server/api/service/cron/waitlist-drip.get.ts

@@ -0,0 +1,114 @@
+import { defineEventHandler } from 'h3'
+import { InvitationCode } from '../../../models/InvitationCode'
+import { WaitlistEntry } from '../../../models/WaitlistEntry'
+import { sendMail } from '../../../utils/notifications'
+import {
+  generateInvitationCode,
+  renderFeedbackEmail,
+  renderFeedbackText,
+  renderInvitationEmail,
+  renderInvitationText,
+} from '../../../utils/invitations'
+
+const DAY_MS = 1000 * 60 * 60 * 24
+const INVITATION_DELAY_DAYS = 5
+const FEEDBACK_DELAY_DAYS = 14
+
+export default defineEventHandler(async () => {
+  const now = new Date()
+  const invitationCutoff = new Date(now.getTime() - INVITATION_DELAY_DAYS * DAY_MS)
+  const feedbackCutoff = new Date(now.getTime() - FEEDBACK_DELAY_DAYS * DAY_MS)
+
+  const invitationCandidates = await WaitlistEntry.find({
+    joinedAt: { $lte: invitationCutoff },
+    $and: [
+      { $or: [{ invitationSentAt: { $exists: false } }, { invitationSentAt: null }] },
+      { $or: [{ activatedAt: { $exists: false } }, { activatedAt: null }] },
+    ],
+  }).exec()
+
+  let invitationsSent = 0
+
+  for (const entry of invitationCandidates) {
+    const email = entry.email?.trim()
+    if (!email) {
+      continue
+    }
+
+    let invitation = entry.invitationCode ? await InvitationCode.findById(entry.invitationCode) : null
+
+    if (invitation?.usedAt) {
+      continue
+    }
+
+    const sentAt = new Date()
+
+    if (!invitation) {
+      const code = generateInvitationCode()
+      invitation = await InvitationCode.create({
+        code,
+        createdAt: sentAt,
+        channel: 'admin',
+        label: `Waitlist: ${email}`,
+      })
+      entry.invitationCode = invitation._id
+    }
+
+    entry.invitationSentAt = sentAt
+    await entry.save()
+
+    const html = await renderInvitationEmail(invitation.code)
+    const text = renderInvitationText(invitation.code)
+
+    await sendMail({
+      to: email,
+      subject: 'Your OpenSquawk invite code',
+      text,
+      html,
+    })
+
+    invitationsSent += 1
+  }
+
+  const feedbackCandidates = await WaitlistEntry.find({
+    invitationSentAt: { $lte: feedbackCutoff },
+    $or: [
+      { feedbackRequestedAt: { $exists: false } },
+      { feedbackRequestedAt: null },
+    ],
+  }).exec()
+
+  let feedbackRequests = 0
+
+  for (const entry of feedbackCandidates) {
+    const email = entry.email?.trim()
+    if (!email) {
+      continue
+    }
+
+    const requestedAt = new Date()
+
+    const text = renderFeedbackText()
+    const html = await renderFeedbackEmail()
+
+    await sendMail({
+      to: email,
+      subject: 'How is your OpenSquawk experience?',
+      text,
+      html,
+    })
+
+    entry.feedbackRequestedAt = requestedAt
+    await entry.save()
+
+    feedbackRequests += 1
+  }
+
+  console.log(`[waitlist-drip] invitations sent: ${invitationsSent}`)
+  console.log(`[waitlist-drip] feedback requests sent: ${feedbackRequests}`)
+
+  return {
+    invitationsSent,
+    feedbackRequests,
+  }
+})