fix(whatsapp): preserve history across reauthorization

2026-08-01 23:13:28 +08:00
parent 785a5b196c
commit 00b0ebb775
5 changed files with 210 additions and 12 deletions
@@ -0,0 +1,32 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+import {
+  isWeakWhatsAppDisplayName,
+  reusableWhatsAppConversations,
+  whatsappCustomerStableId,
+} from '../src/whatsapp-identity.js'
+
+test('WhatsApp customer id remains stable after gateway reauthorization', () => {
+  assert.equal(
+    whatsappCustomerStableId('15551234567@s.whatsapp.net'),
+    whatsappCustomerStableId('15551234567@s.whatsapp.net'),
+  )
+  assert.match(whatsappCustomerStableId('15551234567@s.whatsapp.net'), /^wa-customer-[a-f0-9]{24}$/)
+})
+
+test('the latest inactive conversation is reused while another active account stays isolated', () => {
+  const jid = '15551234567@s.whatsapp.net'
+  const conversations = [
+    { id: 'old:newest', channel: 'whatsapp', channelId: 'old', whatsappJid: jid, customerId: 'abigail', lastMessage: { createdAt: '2026-07-31T07:51:37.000Z' } },
+    { id: 'older:history', channel: 'whatsapp', channelId: 'older', whatsappJid: jid, customerId: 'legacy', lastMessage: { createdAt: '2026-07-29T17:25:42.000Z' } },
+    { id: 'other:active', channel: 'whatsapp', channelId: 'other', whatsappJid: jid, customerId: 'other-account', lastMessage: { createdAt: '2026-08-01T00:00:00.000Z' } },
+  ]
+  const result = reusableWhatsAppConversations(conversations, new Set(['current', 'other']), 'current', jid)
+  assert.deepEqual(result.map((item) => item.customerId), ['abigail', 'legacy'])
+})
+
+test('a saved contact name is not replaced by a phone-number fallback', () => {
+  const jid = '15551234567@s.whatsapp.net'
+  assert.equal(isWeakWhatsAppDisplayName('Abigail', jid), false)
+  assert.equal(isWeakWhatsAppDisplayName('+1 555 123 4567', jid), true)
+})