set state to 'open' when receiving reply on a ticket that is not in state 'new'

core/mail/protocol.py

@@ -180,12 +180,18 @@ def receive_email(envelope, log=None):
 
     reply = None
     if new:
+        # auto reply if new issue
         references = collect_references(active_issue_thread)
 
         reply_email = Email.objects.create(
             sender=recipient, recipient=sender, body="Thank you for your message.", subject="Message received",
             in_reply_to=header_message_id, event=target_event, issue_thread=active_issue_thread)
         reply = make_reply(reply_email, references)
+    else:
+        #change state if not new
+        if active_issue_thread.state != 'pending_new':
+            active_issue_thread.state = 'pending_open'
+            active_issue_thread.save()
 
     return email, new, reply
 

core/mail/tests/v2/test_mails.py

@@ -215,6 +215,58 @@ class LMTPHandlerTestCase(TestCase):  # TODO replace with less hacky test
         self.assertEqual(IssueThread.objects.all()[0].state, 'pending_new')
         self.assertEqual(IssueThread.objects.all()[0].assigned_to, None)
 
+    def test_handle_client_reply_2(self):
+        issue_thread = IssueThread.objects.create(
+            name="test",
+        )
+        mail1 = Email.objects.create(
+            subject='test subject',
+            body='test',
+            sender='test1@test',
+            recipient='test2@test',
+            issue_thread=issue_thread,
+        )
+        mail1_reply = Email.objects.create(
+            subject='Message received',
+            body='Thank you for your message.',
+            sender='test2@test',
+            recipient='test1@test',
+            in_reply_to=mail1.reference,
+            issue_thread=issue_thread,
+        )
+        StateChange.objects.create(
+            issue_thread=issue_thread,
+            state='waiting_details',
+        )
+        self.assertEqual(IssueThread.objects.all()[0].state, 'waiting_details')
+        from aiosmtpd.smtp import Envelope
+        from asgiref.sync import async_to_sync
+        import aiosmtplib
+        aiosmtplib.send = make_mocked_coro()
+        handler = LMTPHandler()
+        server = mock.Mock()
+        session = mock.Mock()
+        envelope = Envelope()
+        envelope.mail_from = 'test1@test'
+        envelope.rcpt_tos = ['test2@test']
+        envelope.content = (f'Subject: Re: test\nFrom: test3@test\nTo: test4@test\nMessage-ID: <3@test>\n'
+                            f'In-Reply-To: {mail1_reply.reference}'.encode('utf-8') + b'\n\ntest')
+        result = async_to_sync(handler.handle_DATA)(server, session, envelope)
+        self.assertEqual(result, '250 Message accepted for delivery')
+        self.assertEqual(len(Email.objects.all()), 3)
+        self.assertEqual(len(IssueThread.objects.all()), 1)
+        aiosmtplib.send.assert_not_called()
+        self.assertEqual(Email.objects.all()[2].subject, 'Re: test')
+        self.assertEqual(Email.objects.all()[2].sender, 'test1@test')
+        self.assertEqual(Email.objects.all()[2].recipient, 'test2@test')
+        self.assertEqual(Email.objects.all()[2].body, 'test')
+        self.assertEqual(Email.objects.all()[2].issue_thread, issue_thread)
+        self.assertEqual(Email.objects.all()[2].reference, '<3@test>')
+        self.assertEqual(Email.objects.all()[2].in_reply_to, mail1_reply.reference)
+        self.assertEqual(IssueThread.objects.all()[0].name, 'test')
+        self.assertEqual(IssueThread.objects.all()[0].state, 'pending_open')
+        self.assertEqual(IssueThread.objects.all()[0].assigned_to, None)
+
     def test_mail_reply(self):
         issue_thread = IssueThread.objects.create(
             name="test",