FolderChangesManifest ISourceFolder.EnumerateChanges(EnumerateContentChangesFlags flags, int maxChanges)
{
FolderChangesManifest folderChangesManifest = new FolderChangesManifest(base.FolderId);
folderChangesManifest.ChangedMessages = new List <MessageRec>();
folderChangesManifest.ReadMessages = new List <byte[]>();
folderChangesManifest.UnreadMessages = new List <byte[]>();
SyncContentsManifestState syncContentsManifestState = base.Mailbox.SyncState[base.FolderId];
PopFolderState lastSyncedState;
if (syncContentsManifestState.Data != null)
{
lastSyncedState = PopFolderState.Deserialize(syncContentsManifestState.Data);
}
else
{
lastSyncedState = PopFolderState.CreateNew();
}
List <MessageRec> messages = base.EnumerateMessagesOnPopConnection(maxChanges);
PopFolderState popFolderState = PopFolderState.Create(messages);
this.EnumerateIncrementalChanges(popFolderState, lastSyncedState, folderChangesManifest, messages);
syncContentsManifestState.Data = popFolderState.Serialize();
return(folderChangesManifest);
}
internal static PopFolderState Create(List <MessageRec> messages)
{
PopFolderState popFolderState = new PopFolderState();
foreach (MessageRec messageRec in messages)
{
popFolderState.MessageList.Add(Encoding.UTF8.GetString(messageRec.EntryId));
}
return(popFolderState);
}
private void EnumerateMessageDeletes(PopFolderState currentState, PopFolderState lastSyncedState, FolderChangesManifest changes, Dictionary <string, MessageRec> lookup)
{
foreach (string text in lastSyncedState.MessageList.Values)
{
if (!currentState.MessageList.Contains(text))
{
MessageRec messageRec = base.CreateMessageRec(text, 0L);
messageRec.Flags |= MsgRecFlags.Deleted;
changes.ChangedMessages.Add(messageRec);
}
}
}
private void EnumerateIncrementalChanges(PopFolderState currentState, PopFolderState lastSyncedState, FolderChangesManifest changes, IEnumerable <MessageRec> messages)
{
Dictionary <string, MessageRec> dictionary = new Dictionary <string, MessageRec>();
foreach (MessageRec messageRec in messages)
{
string key = PopEntryId.ParseUid(messageRec.EntryId);
dictionary.Add(key, messageRec);
}
this.EnumerateNewMessages(currentState, lastSyncedState, changes, dictionary);
this.EnumerateMessageDeletes(currentState, lastSyncedState, changes, dictionary);
}
public static PopFolderState Deserialize(byte[] compressedXml)
{
byte[] bytes = CommonUtils.DecompressData(compressedXml);
string @string = Encoding.UTF7.GetString(bytes);
if (string.IsNullOrEmpty(@string))
{
throw new CorruptSyncStateException(new ArgumentNullException("data", "Cannot deserialize null or empty data"));
}
PopFolderState popFolderState = XMLSerializableBase.Deserialize <PopFolderState>(@string, true);
popFolderState.MessageList = PopBookmark.Parse(popFolderState.MessageListString);
return(popFolderState);
}
private void EnumerateNewMessages(PopFolderState currentState, PopFolderState lastSyncedState, FolderChangesManifest changes, Dictionary <string, MessageRec> lookup)
{
foreach (string text in currentState.MessageList.Values)
{
if (!lastSyncedState.MessageList.Contains(text))
{
MessageRec messageRec = null;
if (lookup.TryGetValue(text, out messageRec))
{
messageRec.Flags |= MsgRecFlags.New;
changes.ChangedMessages.Add(messageRec);
}
}
}
}
List <MessageRec> ISourceFolder.EnumerateMessagesPaged(int maxPageSize)
{
SyncContentsManifestState syncContentsManifestState = base.Mailbox.SyncState[base.FolderId];
PopFolderState popFolderState = (syncContentsManifestState.Data != null) ? PopFolderState.Deserialize(syncContentsManifestState.Data) : PopFolderState.CreateNew();
foreach (string item in this.crawlerCopiedMessages.Values)
{
popFolderState.MessageList.Add(item);
this.crawlerCopiedMessages.Remove(item);
}
syncContentsManifestState.Data = popFolderState.Serialize();
List <MessageRec> list = base.EnumerateMessagesOnPopConnection(0);
List <MessageRec> list2 = new List <MessageRec>();
foreach (MessageRec messageRec in list)
{
string item2 = PopEntryId.ParseUid(messageRec.EntryId);
if (!popFolderState.MessageList.Contains(item2))
{
list2.Add(messageRec);
if (list2.Count == maxPageSize)
{
break;
}
}
}
if (list2.Count == 0)
{
return(null);
}
foreach (MessageRec messageRec2 in list2)
{
string item3 = PopEntryId.ParseUid(messageRec2.EntryId);
this.crawlerCopiedMessages.Add(item3);
}
return(list2);
}