/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel IRC Team *
+ * Copyright (C) 2005-2015 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "corebacklogmanager.h"
#include <QDebug>
+INIT_SYNCABLE_OBJECT(CoreBacklogManager)
CoreBacklogManager::CoreBacklogManager(CoreSession *coreSession)
- : BacklogManager(coreSession),
+ : BacklogManager(coreSession),
_coreSession(coreSession)
{
}
-QVariantList CoreBacklogManager::requestBacklog(BufferId bufferId, int lastMsgs, int offset) {
- QVariantList backlog;
- QList<Message> msgList;
- msgList = Core::requestMsgs(coreSession()->user(), bufferId, lastMsgs, offset);
-
- QList<Message>::const_iterator msgIter = msgList.constBegin();
- QList<Message>::const_iterator msgListEnd = msgList.constEnd();
- while(msgIter != msgListEnd) {
- backlog << qVariantFromValue(*msgIter);
- msgIter++;
- }
- return backlog;
+
+QVariantList CoreBacklogManager::requestBacklog(BufferId bufferId, MsgId first, MsgId last, int limit, int additional)
+{
+ QVariantList backlog;
+ QList<Message> msgList;
+ msgList = Core::requestMsgs(coreSession()->user(), bufferId, first, last, limit);
+
+ QList<Message>::const_iterator msgIter = msgList.constBegin();
+ QList<Message>::const_iterator msgListEnd = msgList.constEnd();
+ while (msgIter != msgListEnd) {
+ backlog << qVariantFromValue(*msgIter);
+ msgIter++;
+ }
+
+ if (additional && limit != 0) {
+ MsgId oldestMessage = first;
+ if (!msgList.isEmpty()) {
+ if (msgList.first().msgId() < msgList.last().msgId())
+ oldestMessage = msgList.first().msgId();
+ else
+ oldestMessage = msgList.last().msgId();
+ }
+
+ if (first != -1) {
+ last = first;
+ }
+ else {
+ last = oldestMessage;
+ }
+
+ // only fetch additional messages if they continue seemlessly
+ // that is, if the list of messages is not truncated by the limit
+ if (last == oldestMessage) {
+ msgList = Core::requestMsgs(coreSession()->user(), bufferId, -1, last, additional);
+ msgIter = msgList.constBegin();
+ msgListEnd = msgList.constEnd();
+ while (msgIter != msgListEnd) {
+ backlog << qVariantFromValue(*msgIter);
+ msgIter++;
+ }
+ }
+ }
+
+ return backlog;
+}
+
+
+QVariantList CoreBacklogManager::requestBacklogAll(MsgId first, MsgId last, int limit, int additional)
+{
+ QVariantList backlog;
+ QList<Message> msgList;
+ msgList = Core::requestAllMsgs(coreSession()->user(), first, last, limit);
+
+ QList<Message>::const_iterator msgIter = msgList.constBegin();
+ QList<Message>::const_iterator msgListEnd = msgList.constEnd();
+ while (msgIter != msgListEnd) {
+ backlog << qVariantFromValue(*msgIter);
+ msgIter++;
+ }
+
+ if (additional) {
+ if (first != -1) {
+ last = first;
+ }
+ else {
+ last = -1;
+ if (!msgList.isEmpty()) {
+ if (msgList.first().msgId() < msgList.last().msgId())
+ last = msgList.first().msgId();
+ else
+ last = msgList.last().msgId();
+ }
+ }
+ msgList = Core::requestAllMsgs(coreSession()->user(), -1, last, additional);
+ msgIter = msgList.constBegin();
+ msgListEnd = msgList.constEnd();
+ while (msgIter != msgListEnd) {
+ backlog << qVariantFromValue(*msgIter);
+ msgIter++;
+ }
+ }
+
+ return backlog;
}