private void SyncExistingMessageHeaders(Account account, string mailboxName, ImapClient imapClientOnSelectedStatus, int firstUid, int lastUid)
{
Trace.WriteLine("SyncExistingMessageHeaders: Mailbox(" + mailboxName + "), UIDs(" + firstUid + ", " + lastUid + ")");
// Decrement this at every exit point.
openSyncOps.AddOrUpdate(account.AccountName, 1, (k, v) => v + 1);
// Delete all messages that have been deleted from server.
List <int> serverUids = new List <int>();
bool searchSuccess = imapClientOnSelectedStatus.SearchUids("ALL", serverUids);
if (searchSuccess)
{
List <string> keysToDelete = new List <string>();
foreach (KeyValuePair <string, Message> entry in MessagesDico)
{
Message msg = entry.Value;
if (msg.AccountName == account.AccountName &&
msg.MailboxPath == mailboxName &&
!serverUids.Contains(msg.Uid))
{
keysToDelete.Add(entry.Key);
}
}
List <Message> msgsDeleted = new List <Message>();
foreach (string key in keysToDelete)
{
Message msg = MessagesDico[key];
MessagesDico.Remove(key);
OnMessageRemoved(msg);
msgsDeleted.Add(msg);
}
DatabaseManager.DeleteMessages(msgsDeleted);
}
// Now synchronize the remaining messages.
int messagesCount = lastUid - firstUid + 1;
int downloadChunk = this.downloadChunkSize;
int startUid = lastUid - downloadChunk + 1;
int endUid = lastUid;
while (endUid >= firstUid)
{
int abort = 0;
if (abortLatches.TryGetValue(account.AccountName, out abort) && abort == 1)
{
Trace.WriteLine("Aborting sync...");
openSyncOps.AddOrUpdate(account.AccountName, 0, (k, v) => v - 1);
return;
}
if (startUid < firstUid)
{
startUid = firstUid;
}
List <Message> serverMsgs = imapClientOnSelectedStatus.FetchHeaders(startUid, endUid - startUid + 1, true);
if (serverMsgs.Count > 0)
{
List <Message> messagesAdded = new List <Message>();
foreach (Message serverMsg in serverMsgs)
{
Message localMsg;
if (MessagesDico.TryGetValue(serverMsg.UniqueKeyString, out localMsg))
{
// A local copy exists. Update its flags.
if (localMsg.FlagString != serverMsg.FlagString)
{
localMsg.FlagString = serverMsg.FlagString;
OnMessageModified(localMsg);
}
}
else
{
MessagesDico.Add(serverMsg.UniqueKeyString, serverMsg);
OnMessageAdded(serverMsg);
messagesAdded.Add(serverMsg);
}
}
DatabaseManager.StoreMessages(messagesAdded);
}
endUid = startUid - 1;
startUid = endUid - downloadChunk + 1;
}
openSyncOps.AddOrUpdate(account.AccountName, 0, (k, v) => v - 1);
}
private void SyncExistingMessageHeaders(Account account, string mailboxName, ImapClient imapClientOnSelectedStatus, int firstUid, int lastUid)
{
Trace.WriteLine("SyncExistingMessageHeaders: Mailbox(" + mailboxName + "), UIDs(" + firstUid + ", " + lastUid + ")");
// Decrement this at every exit point.
openSyncOps.AddOrUpdate(account.AccountName, 1, (k, v) => v + 1);
// Delete all messages that have been deleted from server.
List<int> serverUids = new List<int>();
bool searchSuccess = imapClientOnSelectedStatus.SearchUids("ALL", serverUids);
if (searchSuccess)
{
List<string> keysToDelete = new List<string>();
foreach (KeyValuePair<string, Message> entry in MessagesDico)
{
Message msg = entry.Value;
if (msg.AccountName == account.AccountName &&
msg.MailboxPath == mailboxName &&
!serverUids.Contains(msg.Uid))
{
keysToDelete.Add(entry.Key);
}
}
List<Message> msgsDeleted = new List<Message>();
foreach (string key in keysToDelete)
{
Message msg = MessagesDico[key];
MessagesDico.Remove(key);
OnMessageRemoved(msg);
msgsDeleted.Add(msg);
}
DatabaseManager.DeleteMessages(msgsDeleted);
}
// Now synchronize the remaining messages.
int messagesCount = lastUid - firstUid + 1;
int downloadChunk = this.downloadChunkSize;
int startUid = lastUid - downloadChunk + 1;
int endUid = lastUid;
while (endUid >= firstUid)
{
int abort = 0;
if (abortLatches.TryGetValue(account.AccountName, out abort) && abort == 1)
{
Trace.WriteLine("Aborting sync...");
openSyncOps.AddOrUpdate(account.AccountName, 0, (k, v) => v - 1);
return;
}
if (startUid < firstUid)
{
startUid = firstUid;
}
List<Message> serverMsgs = imapClientOnSelectedStatus.FetchHeaders(startUid, endUid - startUid + 1, true);
if (serverMsgs.Count > 0)
{
List<Message> messagesAdded = new List<Message>();
foreach (Message serverMsg in serverMsgs)
{
Message localMsg;
if (MessagesDico.TryGetValue(serverMsg.UniqueKeyString, out localMsg))
{
// A local copy exists. Update its flags.
if (localMsg.FlagString != serverMsg.FlagString)
{
localMsg.FlagString = serverMsg.FlagString;
OnMessageModified(localMsg);
}
}
else
{
MessagesDico.Add(serverMsg.UniqueKeyString, serverMsg);
OnMessageAdded(serverMsg);
messagesAdded.Add(serverMsg);
}
}
DatabaseManager.StoreMessages(messagesAdded);
}
endUid = startUid - 1;
startUid = endUid - downloadChunk + 1;
}
openSyncOps.AddOrUpdate(account.AccountName, 0, (k, v) => v - 1);
}
