forked from blue/squawk
103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
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/*
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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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#ifndef CORE_URLSTORAGE_H
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#define CORE_URLSTORAGE_H
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#include <QString>
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#include <QDataStream>
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#include <lmdb.h>
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#include <list>
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#include "archive.h"
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namespace Core {
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/**
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* @todo write docs
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*/
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class UrlStorage
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{
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class UrlInfo;
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public:
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struct MessageInfo {
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MessageInfo();
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MessageInfo(const QString& acc, const QString& j, const QString& id);
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QString account;
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QString jid;
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QString messageId;
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};
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UrlStorage(const QString& name);
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~UrlStorage();
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void open();
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void close();
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void addFile(const QString& url);
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void addFile(const QString& url, const QString& path);
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void addFile(const QString& url, const QString& account, const QString& jid, const QString& id);
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void addFile(const QString& url, const QString& path, const QString& account, const QString& jid, const QString& id);
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std::list<MessageInfo> removeFile(const QString& url); //removes entry like it never was in the database, returns affected message infos
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std::list<MessageInfo> deletedFile(const QString& path); //empties the localPath of the entry, returns affected message infos
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std::list<MessageInfo> setPath(const QString& url, const QString& path);
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QString addMessageAndCheckForPath(const QString& url, const QString& account, const QString& jid, const QString& id);
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private:
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QString name;
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bool opened;
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MDB_env* environment;
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MDB_dbi base;
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MDB_dbi map;
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private:
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void writeInfo(const QString& key, const UrlInfo& info, bool overwrite = false);
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void writeInfo(const QString& key, const UrlInfo& info, MDB_txn* txn, bool overwrite = false);
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void readInfo(const QString& key, UrlInfo& info);
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void readInfo(const QString& key, UrlInfo& info, MDB_txn* txn);
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private:
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class UrlInfo {
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public:
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UrlInfo(const QString& path);
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UrlInfo();
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~UrlInfo();
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void serialize(QDataStream& data) const;
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void deserialize(QDataStream& data);
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QString getPath() const;
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bool hasPath() const;
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void setPath(const QString& path);
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void addMessage(const QString& acc, const QString& jid, const QString& id);
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void getMessages(std::list<MessageInfo>& container) const;
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private:
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QString localPath;
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std::list<MessageInfo> messages;
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};
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};
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}
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#endif // CORE_URLSTORAGE_H
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