From cfe173321dfcf55da571d0e42f93680e4452b5c1 Mon Sep 17 00:00:00 2001
From: Kali Kaneko <kali@leap.se>
Date: Thu, 16 Jan 2014 17:18:11 -0400
Subject: reset last uid on expunge

---
 mail/src/leap/mail/imap/mailbox.py  |  1 +
 mail/src/leap/mail/imap/messages.py | 12 ++++++++++++
 2 files changed, 13 insertions(+)

(limited to 'mail/src/leap')

diff --git a/mail/src/leap/mail/imap/mailbox.py b/mail/src/leap/mail/imap/mailbox.py
index 94070ac..86dac77 100644
--- a/mail/src/leap/mail/imap/mailbox.py
+++ b/mail/src/leap/mail/imap/mailbox.py
@@ -463,6 +463,7 @@ class SoledadMailbox(WithMsgFields, MBoxParser):
         if not self.isWriteable():
             raise imap4.ReadOnlyMailbox
         d = self.messages.remove_all_deleted()
+        d.addCallback(self.messages.reset_last_uid)
         d.addCallback(self._expunge_cb)
         return d
 
diff --git a/mail/src/leap/mail/imap/messages.py b/mail/src/leap/mail/imap/messages.py
index 22de356..02df38e 100644
--- a/mail/src/leap/mail/imap/messages.py
+++ b/mail/src/leap/mail/imap/messages.py
@@ -1337,6 +1337,18 @@ class MessageCollection(WithMsgFields, IndexedDB, MailParser, MBoxParser,
                         fields.TYPE_FLAGS_VAL, self.mbox))
         return (u for u in sorted(all_uids))
 
+    def reset_last_uid(self, param):
+        """
+        Set the last uid to the highest uid found.
+        Used while expunging, passed as a callback.
+        """
+        try:
+            self.last_uid = max(self.all_uid_iter()) + 1
+        except ValueError:
+            # empty sequence
+            pass
+        return param
+
     def all_flags(self):
         """
         Return a dict with all flags documents for this mailbox.
-- 
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