-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) {
- 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();
- }
+
+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::requestBacklogFiltered(BufferId bufferId, MsgId first, MsgId last, int limit, int additional, int type, int flags)
+{
+ QVariantList backlog;
+ QList<Message> msgList;
+ msgList = Core::requestMsgsFiltered(coreSession()->user(), bufferId, first, last, limit, Message::Types{type}, Message::Flags{flags});
+
+ 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::requestMsgsFiltered(coreSession()->user(), bufferId, -1, last, additional, Message::Types{type}, Message::Flags{flags});
+ msgIter = msgList.constBegin();
+ msgListEnd = msgList.constEnd();
+ while (msgIter != msgListEnd) {
+ backlog << qVariantFromValue(*msgIter);
+ ++msgIter;
+ }
+ }