552 lines
17 KiB
C++
552 lines
17 KiB
C++
/*
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* Squawk messenger.
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* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "rosteritem.h"
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#include "account.h"
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#include <QDebug>
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Core::RosterItem::RosterItem(const QString& pJid, const QString& pAccount, QObject* parent):
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QObject(parent),
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jid(pJid),
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account(pAccount),
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name(),
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archiveState(empty),
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archive(new Archive(jid)),
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syncronizing(false),
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requestedCount(0),
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requestedBefore(),
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hisoryCache(),
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appendCache(),
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responseCache(),
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requestCache(),
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toCorrect(),
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muc(false)
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{
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archive->open(account);
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if (archive->size() != 0) {
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if (archive->isFromTheBeginning()) {
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archiveState = beginning;
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} else {
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archiveState = chunk;
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}
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}
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}
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Core::RosterItem::~RosterItem()
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{
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delete archive;
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}
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Core::RosterItem::ArchiveState Core::RosterItem::getArchiveState() const
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{
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return archiveState;
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}
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QString Core::RosterItem::getName() const
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{
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return name;
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}
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void Core::RosterItem::setName(const QString& n)
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{
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if (name != n) {
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name = n;
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emit nameChanged(name);
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}
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}
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void Core::RosterItem::addMessageToArchive(const Shared::Message& msg)
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{
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if (msg.storable()) {
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hisoryCache.push_back(msg);
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std::map<QString, Shared::Message>::iterator itr = toCorrect.find(msg.getId());
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if (itr != toCorrect.end()) {
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hisoryCache.back().change({
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{"body", itr->second.getBody()},
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{"stamp", itr->second.getTime()}
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});
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toCorrect.erase(itr);
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}
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}
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}
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void Core::RosterItem::correctMessageInArchive(const QString& originalId, const Shared::Message& msg)
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{
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if (msg.storable()) {
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QDateTime thisTime = msg.getTime();
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std::map<QString, Shared::Message>::iterator itr = toCorrect.find(originalId);
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if (itr != toCorrect.end()) {
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if (itr->second.getTime() < thisTime) {
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itr->second = msg;
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}
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return;
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}
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bool found = changeMessage(originalId, {
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{"body", msg.getBody()},
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{"stamp", thisTime}
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});
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if (!found) {
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toCorrect.insert(std::make_pair(originalId, msg));
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}
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}
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}
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void Core::RosterItem::requestHistory(int count, const QString& before)
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{
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if (syncronizing) {
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requestCache.emplace_back(count, before);
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} else {
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performRequest(count, before);
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}
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}
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void Core::RosterItem::nextRequest()
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{
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if (syncronizing) {
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if (requestedCount != -1) {
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emit historyResponse(responseCache);
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}
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}
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if (requestCache.size() > 0) {
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std::pair<int, QString> request = requestCache.front();
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requestCache.pop_front();
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performRequest(request.first, request.second);
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} else {
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syncronizing = false;
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requestedCount = 0;
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requestedBefore = "";
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hisoryCache.clear();
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responseCache.clear();
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}
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}
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void Core::RosterItem::performRequest(int count, const QString& before)
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{
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syncronizing = true;
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requestedCount = count;
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requestedBefore = before;
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hisoryCache.clear();
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responseCache.clear();
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switch (archiveState) {
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case empty:
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emit needHistory(before, "");
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break;
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case chunk:
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case beginning: {
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if (count != -1) {
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requestCache.emplace_back(requestedCount, before);
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requestedCount = -1;
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}
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Shared::Message msg = archive->newest();
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emit needHistory("", getId(msg), msg.getTime());
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}
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break;
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case end:
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if (count != -1) {
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QString lBefore;
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if (responseCache.size() > 0) {
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lBefore = responseCache.front().getId();
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} else {
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lBefore = before;
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}
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bool found = false;
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try {
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std::list<Shared::Message> arc = archive->getBefore(requestedCount - responseCache.size(), lBefore);
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responseCache.insert(responseCache.begin(), arc.begin(), arc.end());
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found = true;
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} catch (const Archive::NotFound& e) {
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requestCache.emplace_back(requestedCount, before);
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requestedCount = -1;
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emit needHistory(getId(archive->oldest()), "");
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} catch (const Archive::Empty& e) {
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requestCache.emplace_back(requestedCount, before);
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requestedCount = -1;
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emit needHistory(getId(archive->oldest()), "");
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}
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if (found) {
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int rSize = responseCache.size();
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if (rSize < count) {
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if (rSize != 0) {
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emit needHistory(getId(responseCache.front()), "");
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} else {
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QString bf;
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if (muc) {
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bf = archive->stanzaIdById(before);
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if (bf.size() < 0) {
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qDebug() << "Didn't find stanzaId for id requesting history for" << jid << ", falling back to requesting by id";
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bf = before;
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}
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} else {
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bf = before;
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}
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emit needHistory(bf, "");
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}
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} else {
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nextRequest();
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}
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}
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} else {
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emit needHistory(getId(archive->oldest()), "");
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}
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break;
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case complete:
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try {
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std::list<Shared::Message> arc = archive->getBefore(requestedCount - responseCache.size(), before);
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responseCache.insert(responseCache.begin(), arc.begin(), arc.end());
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} catch (const Archive::NotFound& e) {
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qDebug("requesting id hasn't been found in archive, skipping");
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} catch (const Archive::Empty& e) {
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qDebug("requesting id hasn't been found in archive, skipping");
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}
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nextRequest();
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break;
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}
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}
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QString Core::RosterItem::getId(const Shared::Message& msg)
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{
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QString id;
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if (muc) {
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id = msg.getStanzaId();
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} else {
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id = msg.getId();
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}
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return id;
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}
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void Core::RosterItem::appendMessageToArchive(const Shared::Message& msg)
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{
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if (msg.getId().size() > 0) {
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if (msg.storable()) {
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switch (archiveState) {
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case empty:
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if (archive->addElement(msg)) {
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archiveState = end;
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}
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if (!syncronizing) {
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requestHistory(-1, getId(msg));
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}
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break;
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case beginning:
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if (!archive->hasElement(msg.getId())) {
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appendCache.push_back(msg);
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if (!syncronizing) {
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requestHistory(-1, getId(msg));
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}
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}
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break;
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case end:
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archive->addElement(msg);
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break;
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case chunk:
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if (!archive->hasElement(msg.getId())) {
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appendCache.push_back(msg);
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if (!syncronizing) {
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requestHistory(-1, getId(msg));
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}
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}
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break;
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case complete:
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archive->addElement(msg);
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break;
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}
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} else if (!syncronizing && archiveState == empty) {
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requestHistory(-1, getId(msg));
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}
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}
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}
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bool Core::RosterItem::changeMessage(const QString& id, const QMap<QString, QVariant>& data)
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{
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bool found = false;
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for (Shared::Message& msg : appendCache) {
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if (msg.getId() == id) {
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msg.change(data);
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found = true;
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break;
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}
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}
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if (!found) {
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for (Shared::Message& msg : hisoryCache) {
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if (msg.getId() == id) {
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msg.change(data);
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found = true;
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break;
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}
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}
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}
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if (!found) {
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try {
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archive->changeMessage(id, data);
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found = true;
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} catch (const Archive::NotFound& e) {
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qDebug() << "An attempt to change state to the message" << id << "but it couldn't be found";
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}
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}
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if (found) {
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for (Shared::Message& msg : responseCache) {
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if (msg.getId() == id) {
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msg.change(data);
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break;
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}
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}
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}
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return found;
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}
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void Core::RosterItem::flushMessagesToArchive(bool finished, const QString& firstId, const QString& lastId)
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{
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unsigned int added(0);
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if (hisoryCache.size() > 0) {
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added = archive->addElements(hisoryCache);
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qDebug() << "Added" << added << "messages to the archive";
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hisoryCache.clear();
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}
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bool wasEmpty = false;
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switch (archiveState) {
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case beginning:
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if (finished) {
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archiveState = complete;
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added += archive->addElements(appendCache);
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appendCache.clear();
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nextRequest();
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} else {
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emit needHistory("", lastId);
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}
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break;
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case chunk:
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if (finished) {
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archiveState = end;
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added += archive->addElements(appendCache);
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appendCache.clear();
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nextRequest();
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} else {
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emit needHistory("", lastId);
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}
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break;
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case empty:
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wasEmpty = true;
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archiveState = end;
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[[fallthrough]];
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case end:
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added += archive->addElements(appendCache);
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appendCache.clear();
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if (finished && (added > 0 || !wasEmpty)) {
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archiveState = complete;
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archive->setFromTheBeginning(true);
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}
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if (requestedCount != -1) {
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QString before;
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if (responseCache.size() > 0) {
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before = responseCache.front().getId();
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} else {
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before = requestedBefore;
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}
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bool found = false;
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try {
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std::list<Shared::Message> arc = archive->getBefore(requestedCount - responseCache.size(), before);
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responseCache.insert(responseCache.begin(), arc.begin(), arc.end());
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found = true;
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} catch (const Archive::NotFound& e) {
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} catch (const Archive::Empty& e) {
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}
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if (!found || requestedCount > responseCache.size()) {
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if (archiveState == complete) {
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nextRequest();
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} else {
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emit needHistory(firstId, "");
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}
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} else {
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nextRequest();
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}
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} else {
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if (added != 0) {
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nextRequest();
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} else {
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emit needHistory(firstId, "");
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}
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}
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break;
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case complete:
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nextRequest();
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break;
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}
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}
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QString Core::RosterItem::getServer() const
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{
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QStringList lst = jid.split("@");
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return lst.back();
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}
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bool Core::RosterItem::isMuc() const
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{
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return muc;
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}
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QString Core::RosterItem::avatarPath(const QString& resource) const
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{
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QString path = folderPath() + "/" + (resource.size() == 0 ? jid : resource);
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return path;
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}
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QString Core::RosterItem::folderPath() const
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{
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QString path(QStandardPaths::writableLocation(QStandardPaths::CacheLocation));
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path += "/" + account + "/" + jid;
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return path;
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}
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bool Core::RosterItem::setAvatar(const QByteArray& data, Archive::AvatarInfo& info, const QString& resource)
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{
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bool result = archive->setAvatar(data, info, false, resource);
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if (resource.size() == 0 && result) {
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if (data.size() == 0) {
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emit avatarChanged(Shared::Avatar::empty, "");
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} else {
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emit avatarChanged(Shared::Avatar::valid, avatarPath(resource) + "." + info.type);
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}
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}
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return result;
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}
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bool Core::RosterItem::setAutoGeneratedAvatar(const QString& resource)
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{
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Archive::AvatarInfo info;
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return setAutoGeneratedAvatar(info, resource);
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}
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bool Core::RosterItem::setAutoGeneratedAvatar(Archive::AvatarInfo& info, const QString& resource)
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{
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QImage image(96, 96, QImage::Format_ARGB32_Premultiplied);
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QPainter painter(&image);
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quint8 colorIndex = rand() % Shared::colorPalette.size();
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const QColor& bg = Shared::colorPalette[colorIndex];
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painter.fillRect(image.rect(), bg);
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QFont f;
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f.setBold(true);
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f.setPixelSize(72);
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painter.setFont(f);
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if (bg.lightnessF() > 0.5) {
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painter.setPen(Qt::black);
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} else {
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painter.setPen(Qt::white);
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}
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painter.drawText(image.rect(), Qt::AlignCenter | Qt::AlignVCenter, resource.size() == 0 ? jid.at(0).toUpper() : resource.at(0).toUpper());
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QByteArray arr;
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QBuffer stream(&arr);
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stream.open(QBuffer::WriteOnly);
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image.save(&stream, "PNG");
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stream.close();
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bool result = archive->setAvatar(arr, info, true, resource);
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if (resource.size() == 0 && result) {
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emit avatarChanged(Shared::Avatar::autocreated, avatarPath(resource) + ".png");
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}
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return result;
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}
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bool Core::RosterItem::readAvatarInfo(Archive::AvatarInfo& target, const QString& resource) const
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{
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return archive->readAvatarInfo(target, resource);
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}
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Shared::VCard Core::RosterItem::handleResponseVCard(const QXmppVCardIq& card, const QString& resource)
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{
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Archive::AvatarInfo info;
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Archive::AvatarInfo newInfo;
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bool hasAvatar = readAvatarInfo(info, resource);
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QByteArray ava = card.photo();
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Shared::VCard vCard;
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initializeVCard(vCard, card);
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Shared::Avatar type = Shared::Avatar::empty;
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QString path = "";
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if (ava.size() > 0) {
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bool changed = setAvatar(ava, newInfo, resource);
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if (changed) {
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type = Shared::Avatar::valid;
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path = avatarPath(resource) + "." + newInfo.type;
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} else if (hasAvatar) {
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if (info.autogenerated) {
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type = Shared::Avatar::autocreated;
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path = avatarPath(resource) + ".png";
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} else {
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type = Shared::Avatar::valid;
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path = avatarPath(resource) + "." + info.type;
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}
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}
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} else {
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if (!hasAvatar || !info.autogenerated) {
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setAutoGeneratedAvatar(resource);
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}
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type = Shared::Avatar::autocreated;
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path = avatarPath(resource) + ".png";
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}
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vCard.setAvatarType(type);
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vCard.setAvatarPath(path);
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if (resource.size() == 0) {
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emit avatarChanged(vCard.getAvatarType(), vCard.getAvatarPath());
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}
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return vCard;
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}
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void Core::RosterItem::clearArchiveRequests()
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{
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syncronizing = false;
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requestedCount = 0;
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requestedBefore = "";
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for (const std::pair<int, QString>& pair : requestCache) {
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if (pair.first != -1) {
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emit historyResponse(responseCache); //just to notify those who still waits with whatever happened to be left in caches yet
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}
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responseCache.clear();
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}
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hisoryCache.clear();
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responseCache.clear(); //in case the cycle never runned
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appendCache.clear();
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requestCache.clear();
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}
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void Core::RosterItem::downgradeDatabaseState()
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{
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if (archiveState == ArchiveState::complete) {
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archiveState = ArchiveState::beginning;
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}
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if (archiveState == ArchiveState::end) {
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archiveState = ArchiveState::chunk;
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}
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}
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