290 lines
7.9 KiB
C++
290 lines
7.9 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 <QStandardPaths>
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#include <QDir>
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#include <QDebug>
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#include "urlstorage.h"
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Core::UrlStorage::UrlStorage(const QString& p_name):
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base(p_name),
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urlToInfo(base.addStorage<QString, UrlInfo>("urlToInfo")),
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pathToUrl(base.addStorage<QString, QString>("pathToUrl"))
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{}
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Core::UrlStorage::~UrlStorage() {
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close();
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}
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void Core::UrlStorage::open() {
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base.open();
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}
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void Core::UrlStorage::close() {
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base.close();
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}
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void Core::UrlStorage::writeInfo(const QString& key, const Core::UrlStorage::UrlInfo& info, bool overwrite) {
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LMDBAL::TransactionID txn = base.beginTransaction();
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try {
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writeInfo(key, info, txn, overwrite);
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base.commitTransaction(txn);
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} catch (...) {
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base.abortTransaction(txn);
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throw;
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}
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}
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void Core::UrlStorage::writeInfo(const QString& key, const Core::UrlStorage::UrlInfo& info, MDB_txn* txn, bool overwrite) {
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if (overwrite)
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urlToInfo->forceRecord(key, info, txn);
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else
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urlToInfo->addRecord(key, info, txn);
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if (info.hasPath())
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pathToUrl->forceRecord(info.getPath(), key, txn);
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}
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void Core::UrlStorage::addFile(const QString& url) {
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addToInfo(url, "", "", "");
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}
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void Core::UrlStorage::addFile(const QString& url, const QString& path) {
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addToInfo(url, "", "", "", path);
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}
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void Core::UrlStorage::addFile(const QString& url, const QString& account, const QString& jid, const QString& id) {
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addToInfo(url, account, jid, id);
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}
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void Core::UrlStorage::addFile(const QString& url, const QString& path, const QString& account, const QString& jid, const QString& id) {
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addToInfo(url, account, jid, id, path);
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}
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void Core::UrlStorage::addFile(const std::list<Shared::MessageInfo>& msgs, const QString& url, const QString& path) {
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UrlInfo info (path, msgs);
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writeInfo(url, info, true);
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}
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QString Core::UrlStorage::addMessageAndCheckForPath(const QString& url, const QString& account, const QString& jid, const QString& id){
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return addToInfo(url, account, jid, id).getPath();
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}
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Core::UrlStorage::UrlInfo Core::UrlStorage::addToInfo(
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const QString& url,
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const QString& account,
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const QString& jid,
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const QString& id,
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const QString& path
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) {
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UrlInfo info;
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LMDBAL::TransactionID txn = base.beginTransaction();
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try {
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urlToInfo->getRecord(url, info, txn);
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} catch (const LMDBAL::NotFound& e) {
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} catch (...) {
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base.abortTransaction(txn);
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throw;
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}
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bool pathChange = false;
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bool listChange = false;
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if (path != "-s") {
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if (info.getPath() != path) {
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info.setPath(path);
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pathChange = true;
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}
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}
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if (account.size() > 0 && jid.size() > 0 && id.size() > 0)
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listChange = info.addMessage(account, jid, id);
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if (pathChange || listChange) {
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try {
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writeInfo(url, info, txn, true);
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base.commitTransaction(txn);
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} catch (...) {
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base.abortTransaction(txn);
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throw;
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}
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} else {
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base.abortTransaction(txn);
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}
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return info;
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}
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std::list<Shared::MessageInfo> Core::UrlStorage::setPath(const QString& url, const QString& path) {
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std::list<Shared::MessageInfo> list;
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LMDBAL::TransactionID txn = base.beginTransaction();
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UrlInfo info;
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try {
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urlToInfo->getRecord(url, info, txn);
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info.getMessages(list);
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} catch (const LMDBAL::NotFound& e) {
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} catch (...) {
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base.abortTransaction(txn);
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throw;
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}
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info.setPath(path);
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try {
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writeInfo(url, info, txn, true);
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base.commitTransaction(txn);
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} catch (...) {
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base.abortTransaction(txn);
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throw;
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}
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return list;
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}
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std::list<Shared::MessageInfo> Core::UrlStorage::removeFile(const QString& url) {
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std::list<Shared::MessageInfo> list;
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LMDBAL::TransactionID txn = base.beginTransaction();
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UrlInfo info;
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try {
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urlToInfo->getRecord(url, info, txn);
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urlToInfo->removeRecord(url);
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info.getMessages(list);
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if (info.hasPath())
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pathToUrl->removeRecord(info.getPath());
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base.commitTransaction(txn);
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} catch (...) {
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base.abortTransaction(txn);
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throw;
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}
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return list;
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}
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std::list<Shared::MessageInfo> Core::UrlStorage::deletedFile(const QString& path) {
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std::list<Shared::MessageInfo> list;
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LMDBAL::TransactionID txn = base.beginTransaction();
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try {
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QString url = pathToUrl->getRecord(path, txn);
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pathToUrl->removeRecord(path);
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UrlInfo info = urlToInfo->getRecord(url, txn);
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info.getMessages(list);
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info.setPath(QString());
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urlToInfo->changeRecord(url, info, txn);
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base.commitTransaction(txn);
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} catch (...) {
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base.abortTransaction(txn);
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throw;
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}
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return list;
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}
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QString Core::UrlStorage::getUrl(const QString& path) {
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return pathToUrl->getRecord(path);
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}
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std::pair<QString, std::list<Shared::MessageInfo>> Core::UrlStorage::getPath(const QString& url) {
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UrlInfo info = urlToInfo->getRecord(url);
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std::list<Shared::MessageInfo> container;
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info.getMessages(container);
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return std::make_pair(info.getPath(), container);
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}
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Core::UrlStorage::UrlInfo::UrlInfo():
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localPath(),
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messages() {}
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Core::UrlStorage::UrlInfo::UrlInfo(const QString& path):
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localPath(path),
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messages() {}
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Core::UrlStorage::UrlInfo::UrlInfo(const QString& path, const std::list<Shared::MessageInfo>& msgs):
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localPath(path),
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messages(msgs) {}
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Core::UrlStorage::UrlInfo::~UrlInfo() {}
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bool Core::UrlStorage::UrlInfo::addMessage(const QString& acc, const QString& jid, const QString& id) {
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for (const Shared::MessageInfo& info : messages) {
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if (info.account == acc && info.jid == jid && info.messageId == id) {
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return false;
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}
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}
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messages.emplace_back(acc, jid, id);
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return true;
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}
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void Core::UrlStorage::UrlInfo::serialize(QDataStream& data) const {
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data << localPath;
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std::list<Shared::MessageInfo>::size_type size = messages.size();
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data << quint32(size);
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for (const Shared::MessageInfo& info : messages) {
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data << info.account;
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data << info.jid;
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data << info.messageId;
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}
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}
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QDataStream & operator << (QDataStream& in, const Core::UrlStorage::UrlInfo& info) {
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info.serialize(in);
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return in;
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}
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QDataStream & operator >> (QDataStream& out, Core::UrlStorage::UrlInfo& info) {
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info.deserialize(out);
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return out;
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}
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void Core::UrlStorage::UrlInfo::deserialize(QDataStream& data) {
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data >> localPath;
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quint32 size;
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data >> size;
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for (quint32 i = 0; i < size; ++i) {
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messages.emplace_back();
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Shared::MessageInfo& info = messages.back();
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data >> info.account;
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data >> info.jid;
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data >> info.messageId;
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}
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}
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void Core::UrlStorage::UrlInfo::getMessages(std::list<Shared::MessageInfo>& container) const {
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for (const Shared::MessageInfo& info : messages)
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container.emplace_back(info);
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}
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QString Core::UrlStorage::UrlInfo::getPath() const {
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return localPath;
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}
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bool Core::UrlStorage::UrlInfo::hasPath() const {
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return localPath.size() > 0;
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}
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void Core::UrlStorage::UrlInfo::setPath(const QString& path) {
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localPath = path;
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}
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