public static List <History> ListHistory(GmailService service, String userId, ulong startHistoryId, List <Message> messages)
{
List <History> result = new List <History>();
UsersResource.HistoryResource.ListRequest request = service.Users.History.List(userId);
request.HistoryTypes = UsersResource.HistoryResource.ListRequest.HistoryTypesEnum.MessageAdded;
request.StartHistoryId = startHistoryId;
request.LabelId = "INBOX";
do
{
try
{
ListHistoryResponse response = request.Execute();
if (response.History != null)
{
result.AddRange(response.History);
//foreach (History history in response.History)
//{
// foreach (HistoryMessageAdded messagesadded in history.MessagesAdded)
// messages.Add(messagesadded.Message);
//}
foreach (HistoryMessageAdded messageadded in response.History.SelectMany(i => i.MessagesAdded))
{
if (!messageadded.Message.LabelIds.Contains("SENT"))
{
messages.Add(messageadded.Message);
}
}
}
request.PageToken = response.NextPageToken;
}
catch (Exception e)
{
Console.WriteLine("An error occurred: " + e.Message);
}
} while (!String.IsNullOrEmpty(request.PageToken));
return(result);
}
/* Returns the list of messagesId since startHistoryId. Used in partial sync */
public static List <string> ListHistory(GmailService service, String userId, ulong startHistoryId)
{
List <string> messageIdList = null;
UsersResource.HistoryResource.ListRequest request = service.Users.History.List(userId);
request.StartHistoryId = startHistoryId;
request.HistoryTypes = HistoryTypesEnum.MessageAdded;
do
{
try {
ListHistoryResponse response = request.Execute();
//If there's a list of history records, then we need to store the messageId of each new record
if (response.History != null)
{
messageIdList = new List <string>();
foreach (var historyRecord in response.History)
{
string newMessageId = historyRecord.MessagesAdded[0].Message.Id;
messageIdList.Add(newMessageId);
}
}
//Then we update the historyId with the latest one
ulong retrievedHistId = (ulong)response.HistoryId;
UpdateHistoryId(retrievedHistId.ToString());
request.PageToken = response.NextPageToken;
} catch (Exception e) {
Debug.WriteLine("An error occurred: " + e.Message);
}
} while (!String.IsNullOrEmpty(request.PageToken));
return(messageIdList);
}
