better notification sending, edited message now modifies notification (or sends), little structure change

This commit is contained in:
Blue 2022-04-19 20:24:41 +03:00
parent 18859cb960
commit 83cb220175
Signed by untrusted user: blue
GPG key ID: 9B203B252A63EE38
13 changed files with 31 additions and 16 deletions

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target_sources(squawk PRIVATE
archive.cpp
archive.h
storage.cpp
storage.h
urlstorage.cpp
urlstorage.h
)

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core/storage/archive.cpp Normal file

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/*
* Squawk messenger.
* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CORE_ARCHIVE_H
#define CORE_ARCHIVE_H
#include <QObject>
#include <QCryptographicHash>
#include <QMimeDatabase>
#include <QMimeType>
#include "shared/message.h"
#include "shared/exception.h"
#include <lmdb.h>
#include <list>
namespace Core {
class Archive : public QObject
{
Q_OBJECT
public:
class AvatarInfo;
Archive(const QString& jid, QObject* parent = 0);
~Archive();
void open(const QString& account);
void close();
bool addElement(const Shared::Message& message);
unsigned int addElements(const std::list<Shared::Message>& messages);
Shared::Message getElement(const QString& id) const;
bool hasElement(const QString& id) const;
void changeMessage(const QString& id, const QMap<QString, QVariant>& data);
Shared::Message oldest();
QString oldestId();
Shared::Message newest();
QString newestId();
void clear();
long unsigned int size() const;
std::list<Shared::Message> getBefore(int count, const QString& id);
bool isFromTheBeginning();
void setFromTheBeginning(bool is);
bool setAvatar(const QByteArray& data, AvatarInfo& info, bool generated = false, const QString& resource = "");
AvatarInfo getAvatarInfo(const QString& resource = "") const;
bool readAvatarInfo(AvatarInfo& target, const QString& resource = "") const;
void readAllResourcesAvatars(std::map<QString, AvatarInfo>& data) const;
QString idByStanzaId(const QString& stanzaId) const;
QString stanzaIdById(const QString& id) const;
public:
const QString jid;
public:
class Directory:
public Utils::Exception
{
public:
Directory(const std::string& p_path):Exception(), path(p_path){}
std::string getMessage() const{return "Can't create directory for database at " + path;}
private:
std::string path;
};
class Closed:
public Utils::Exception
{
public:
Closed(const std::string& op, const std::string& acc):Exception(), operation(op), account(acc){}
std::string getMessage() const{return "An attempt to perform operation " + operation + " on closed archive for " + account;}
private:
std::string operation;
std::string account;
};
class NotFound:
public Utils::Exception
{
public:
NotFound(const std::string& k, const std::string& acc):Exception(), key(k), account(acc){}
std::string getMessage() const{return "Element for id " + key + " wasn't found in database " + account;}
private:
std::string key;
std::string account;
};
class Empty:
public Utils::Exception
{
public:
Empty(const std::string& acc):Exception(), account(acc){}
std::string getMessage() const{return "An attempt to read ordered elements from database " + account + " but it's empty";}
private:
std::string account;
};
class Exist:
public Utils::Exception
{
public:
Exist(const std::string& acc, const std::string& p_key):Exception(), account(acc), key(p_key){}
std::string getMessage() const{return "An attempt to insert element " + key + " to database " + account + " but it already has an element with given id";}
private:
std::string account;
std::string key;
};
class NoAvatar:
public Utils::Exception
{
public:
NoAvatar(const std::string& el, const std::string& res):Exception(), element(el), resource(res){
if (resource.size() == 0) {
resource = "for himself";
}
}
std::string getMessage() const{return "Element " + element + " has no avatar for " + resource ;}
private:
std::string element;
std::string resource;
};
class Unknown:
public Utils::Exception
{
public:
Unknown(const std::string& acc, const std::string& message):Exception(), account(acc), msg(message){}
std::string getMessage() const{return "Unknown error on database " + account + ": " + msg;}
private:
std::string account;
std::string msg;
};
class AvatarInfo {
public:
AvatarInfo();
AvatarInfo(const QString& type, const QByteArray& hash, bool autogenerated);
void deserialize(char* pointer, uint32_t size);
void serialize(QByteArray* ba) const;
QString type;
QByteArray hash;
bool autogenerated;
};
private:
bool opened;
bool fromTheBeginning;
MDB_env* environment;
MDB_dbi main; //id to message
MDB_dbi order; //time to id
MDB_dbi stats;
MDB_dbi avatars;
MDB_dbi sid; //stanzaId to id
bool getStatBoolValue(const std::string& id, MDB_txn* txn);
std::string getStatStringValue(const std::string& id, MDB_txn* txn);
bool setStatValue(const std::string& id, bool value, MDB_txn* txn);
bool setStatValue(const std::string& id, const std::string& value, MDB_txn* txn);
bool readAvatarInfo(AvatarInfo& target, const std::string& res, MDB_txn* txn) const;
void printOrder();
void printKeys();
bool dropAvatar(const std::string& resource);
Shared::Message getMessage(const std::string& id, MDB_txn* txn) const;
Shared::Message getStoredMessage(MDB_txn *txn, MDB_cursor* cursor, MDB_cursor_op op, MDB_val* key, MDB_val* value, int& rc);
Shared::Message edge(bool end);
};
}
#endif // CORE_ARCHIVE_H

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/*
* Squawk messenger.
* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QStandardPaths>
#include <QDir>
#include "storage.h"
Core::Storage::Storage(const QString& p_name):
name(p_name),
opened(false),
environment(),
base()
{
}
Core::Storage::~Storage()
{
close();
}
void Core::Storage::open()
{
if (!opened) {
mdb_env_create(&environment);
QString path(QStandardPaths::writableLocation(QStandardPaths::CacheLocation));
path += "/" + name;
QDir cache(path);
if (!cache.exists()) {
bool res = cache.mkpath(path);
if (!res) {
throw Archive::Directory(path.toStdString());
}
}
mdb_env_set_maxdbs(environment, 1);
mdb_env_set_mapsize(environment, 10UL * 1024UL * 1024UL);
mdb_env_open(environment, path.toStdString().c_str(), 0, 0664);
MDB_txn *txn;
mdb_txn_begin(environment, NULL, 0, &txn);
mdb_dbi_open(txn, "base", MDB_CREATE, &base);
mdb_txn_commit(txn);
opened = true;
}
}
void Core::Storage::close()
{
if (opened) {
mdb_dbi_close(environment, base);
mdb_env_close(environment);
opened = false;
}
}
void Core::Storage::addRecord(const QString& key, const QString& value)
{
if (!opened) {
throw Archive::Closed("addRecord", name.toStdString());
}
const std::string& id = key.toStdString();
const std::string& val = value.toStdString();
MDB_val lmdbKey, lmdbData;
lmdbKey.mv_size = id.size();
lmdbKey.mv_data = (char*)id.c_str();
lmdbData.mv_size = val.size();
lmdbData.mv_data = (char*)val.c_str();
MDB_txn *txn;
mdb_txn_begin(environment, NULL, 0, &txn);
int rc;
rc = mdb_put(txn, base, &lmdbKey, &lmdbData, MDB_NOOVERWRITE);
if (rc != 0) {
mdb_txn_abort(txn);
if (rc == MDB_KEYEXIST) {
throw Archive::Exist(name.toStdString(), id);
} else {
throw Archive::Unknown(name.toStdString(), mdb_strerror(rc));
}
} else {
mdb_txn_commit(txn);
}
}
void Core::Storage::changeRecord(const QString& key, const QString& value)
{
if (!opened) {
throw Archive::Closed("changeRecord", name.toStdString());
}
const std::string& id = key.toStdString();
const std::string& val = value.toStdString();
MDB_val lmdbKey, lmdbData;
lmdbKey.mv_size = id.size();
lmdbKey.mv_data = (char*)id.c_str();
lmdbData.mv_size = val.size();
lmdbData.mv_data = (char*)val.c_str();
MDB_txn *txn;
mdb_txn_begin(environment, NULL, 0, &txn);
int rc;
rc = mdb_put(txn, base, &lmdbKey, &lmdbData, 0);
if (rc != 0) {
mdb_txn_abort(txn);
if (rc) {
throw Archive::Unknown(name.toStdString(), mdb_strerror(rc));
}
} else {
mdb_txn_commit(txn);
}
}
QString Core::Storage::getRecord(const QString& key) const
{
if (!opened) {
throw Archive::Closed("addElement", name.toStdString());
}
const std::string& id = key.toStdString();
MDB_val lmdbKey, lmdbData;
lmdbKey.mv_size = id.size();
lmdbKey.mv_data = (char*)id.c_str();
MDB_txn *txn;
int rc;
mdb_txn_begin(environment, NULL, MDB_RDONLY, &txn);
rc = mdb_get(txn, base, &lmdbKey, &lmdbData);
if (rc) {
mdb_txn_abort(txn);
if (rc == MDB_NOTFOUND) {
throw Archive::NotFound(id, name.toStdString());
} else {
throw Archive::Unknown(name.toStdString(), mdb_strerror(rc));
}
} else {
std::string sId((char*)lmdbData.mv_data, lmdbData.mv_size);
QString value(sId.c_str());
mdb_txn_abort(txn);
return value;
}
}
void Core::Storage::removeRecord(const QString& key)
{
if (!opened) {
throw Archive::Closed("addElement", name.toStdString());
}
const std::string& id = key.toStdString();
MDB_val lmdbKey;
lmdbKey.mv_size = id.size();
lmdbKey.mv_data = (char*)id.c_str();
MDB_txn *txn;
int rc;
mdb_txn_begin(environment, NULL, 0, &txn);
rc = mdb_del(txn, base, &lmdbKey, NULL);
if (rc) {
mdb_txn_abort(txn);
if (rc == MDB_NOTFOUND) {
throw Archive::NotFound(id, name.toStdString());
} else {
throw Archive::Unknown(name.toStdString(), mdb_strerror(rc));
}
} else {
mdb_txn_commit(txn);
}
}

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/*
* Squawk messenger.
* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CORE_STORAGE_H
#define CORE_STORAGE_H
#include <QString>
#include <lmdb.h>
#include "archive.h"
namespace Core {
/**
* @todo write docs
*/
class Storage
{
public:
Storage(const QString& name);
~Storage();
void open();
void close();
void addRecord(const QString& key, const QString& value);
void changeRecord(const QString& key, const QString& value);
void removeRecord(const QString& key);
QString getRecord(const QString& key) const;
private:
QString name;
bool opened;
MDB_env* environment;
MDB_dbi base;
};
}
#endif // CORE_STORAGE_H

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/*
* Squawk messenger.
* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QStandardPaths>
#include <QDir>
#include <QDebug>
#include "urlstorage.h"
Core::UrlStorage::UrlStorage(const QString& p_name):
name(p_name),
opened(false),
environment(),
base(),
map()
{
}
Core::UrlStorage::~UrlStorage()
{
close();
}
void Core::UrlStorage::open()
{
if (!opened) {
mdb_env_create(&environment);
QString path(QStandardPaths::writableLocation(QStandardPaths::CacheLocation));
path += "/" + name;
QDir cache(path);
if (!cache.exists()) {
bool res = cache.mkpath(path);
if (!res) {
throw Archive::Directory(path.toStdString());
}
}
mdb_env_set_maxdbs(environment, 2);
mdb_env_set_mapsize(environment, 10UL * 1024UL * 1024UL);
mdb_env_open(environment, path.toStdString().c_str(), 0, 0664);
MDB_txn *txn;
mdb_txn_begin(environment, NULL, 0, &txn);
mdb_dbi_open(txn, "base", MDB_CREATE, &base);
mdb_dbi_open(txn, "map", MDB_CREATE, &map);
mdb_txn_commit(txn);
opened = true;
}
}
void Core::UrlStorage::close()
{
if (opened) {
mdb_dbi_close(environment, map);
mdb_dbi_close(environment, base);
mdb_env_close(environment);
opened = false;
}
}
void Core::UrlStorage::writeInfo(const QString& key, const Core::UrlStorage::UrlInfo& info, bool overwrite)
{
MDB_txn *txn;
mdb_txn_begin(environment, NULL, 0, &txn);
try {
writeInfo(key, info, txn, overwrite);
mdb_txn_commit(txn);
} catch (...) {
mdb_txn_abort(txn);
throw;
}
}
void Core::UrlStorage::writeInfo(const QString& key, const Core::UrlStorage::UrlInfo& info, MDB_txn* txn, bool overwrite)
{
QByteArray ba;
QDataStream ds(&ba, QIODevice::WriteOnly);
info.serialize(ds);
const std::string& id = key.toStdString();
MDB_val lmdbKey, lmdbData;
lmdbKey.mv_size = id.size();
lmdbKey.mv_data = (char*)id.c_str();
lmdbData.mv_size = ba.size();
lmdbData.mv_data = (uint8_t*)ba.data();
int rc;
rc = mdb_put(txn, base, &lmdbKey, &lmdbData, overwrite ? 0 : MDB_NOOVERWRITE);
if (rc != 0) {
if (rc == MDB_KEYEXIST) {
if (!overwrite) {
throw Archive::Exist(name.toStdString(), id);
}
} else {
throw Archive::Unknown(name.toStdString(), mdb_strerror(rc));
}
}
if (info.hasPath()) {
std::string sp = info.getPath().toStdString();
lmdbData.mv_size = sp.size();
lmdbData.mv_data = (char*)sp.c_str();
rc = mdb_put(txn, map, &lmdbData, &lmdbKey, 0);
if (rc != 0) {
throw Archive::Unknown(name.toStdString(), mdb_strerror(rc));
}
}
}
void Core::UrlStorage::readInfo(const QString& key, Core::UrlStorage::UrlInfo& info, MDB_txn* txn)
{
const std::string& id = key.toStdString();
MDB_val lmdbKey, lmdbData;
lmdbKey.mv_size = id.size();
lmdbKey.mv_data = (char*)id.c_str();
int rc = mdb_get(txn, base, &lmdbKey, &lmdbData);
if (rc == 0) {
QByteArray ba((char*)lmdbData.mv_data, lmdbData.mv_size);
QDataStream ds(&ba, QIODevice::ReadOnly);
info.deserialize(ds);
} else if (rc == MDB_NOTFOUND) {
throw Archive::NotFound(id, name.toStdString());
} else {
throw Archive::Unknown(name.toStdString(), mdb_strerror(rc));
}
}
void Core::UrlStorage::readInfo(const QString& key, Core::UrlStorage::UrlInfo& info)
{
MDB_txn *txn;
mdb_txn_begin(environment, NULL, MDB_RDONLY, &txn);
try {
readInfo(key, info, txn);
mdb_txn_commit(txn);
} catch (...) {
mdb_txn_abort(txn);
throw;
}
}
void Core::UrlStorage::addFile(const QString& url)
{
if (!opened) {
throw Archive::Closed("addFile(no message, no path)", name.toStdString());
}
addToInfo(url, "", "", "");
}
void Core::UrlStorage::addFile(const QString& url, const QString& path)
{
if (!opened) {
throw Archive::Closed("addFile(no message, with path)", name.toStdString());
}
addToInfo(url, "", "", "", path);
}
void Core::UrlStorage::addFile(const QString& url, const QString& account, const QString& jid, const QString& id)
{
if (!opened) {
throw Archive::Closed("addFile(with message, no path)", name.toStdString());
}
addToInfo(url, account, jid, id);
}
void Core::UrlStorage::addFile(const QString& url, const QString& path, const QString& account, const QString& jid, const QString& id)
{
if (!opened) {
throw Archive::Closed("addFile(with message, with path)", name.toStdString());
}
addToInfo(url, account, jid, id, path);
}
void Core::UrlStorage::addFile(const std::list<Shared::MessageInfo>& msgs, const QString& url, const QString& path)
{
if (!opened) {
throw Archive::Closed("addFile(with list)", name.toStdString());
}
UrlInfo info (path, msgs);
writeInfo(url, info, true);;
}
QString Core::UrlStorage::addMessageAndCheckForPath(const QString& url, const QString& account, const QString& jid, const QString& id)
{
if (!opened) {
throw Archive::Closed("addMessageAndCheckForPath", name.toStdString());
}
return addToInfo(url, account, jid, id).getPath();
}
Core::UrlStorage::UrlInfo Core::UrlStorage::addToInfo(const QString& url, const QString& account, const QString& jid, const QString& id, const QString& path)
{
UrlInfo info;
MDB_txn *txn;
mdb_txn_begin(environment, NULL, 0, &txn);
try {
readInfo(url, info, txn);
} catch (const Archive::NotFound& e) {
} catch (...) {
mdb_txn_abort(txn);
throw;
}
bool pathChange = false;
bool listChange = false;
if (path != "-s") {
if (info.getPath() != path) {
info.setPath(path);
pathChange = true;
}
}
if (account.size() > 0 && jid.size() > 0 && id.size() > 0) {
listChange = info.addMessage(account, jid, id);
}
if (pathChange || listChange) {
try {
writeInfo(url, info, txn, true);
mdb_txn_commit(txn);
} catch (...) {
mdb_txn_abort(txn);
throw;
}
} else {
mdb_txn_abort(txn);
}
return info;
}
std::list<Shared::MessageInfo> Core::UrlStorage::setPath(const QString& url, const QString& path)
{
std::list<Shared::MessageInfo> list;
MDB_txn *txn;
mdb_txn_begin(environment, NULL, 0, &txn);
UrlInfo info;
try {
readInfo(url, info, txn);
info.getMessages(list);
} catch (const Archive::NotFound& e) {
} catch (...) {
mdb_txn_abort(txn);
throw;
}
info.setPath(path);
try {
writeInfo(url, info, txn, true);
mdb_txn_commit(txn);
} catch (...) {
mdb_txn_abort(txn);
throw;
}
return list;
}
std::list<Shared::MessageInfo> Core::UrlStorage::removeFile(const QString& url)
{
std::list<Shared::MessageInfo> list;
MDB_txn *txn;
mdb_txn_begin(environment, NULL, 0, &txn);
UrlInfo info;
try {
std::string id = url.toStdString();
readInfo(url, info, txn);
info.getMessages(list);
MDB_val lmdbKey;
lmdbKey.mv_size = id.size();
lmdbKey.mv_data = (char*)id.c_str();
int rc = mdb_del(txn, base, &lmdbKey, NULL);
if (rc != 0) {
throw Archive::Unknown(name.toStdString(), mdb_strerror(rc));
}
if (info.hasPath()) {
std::string path = info.getPath().toStdString();
lmdbKey.mv_size = path.size();
lmdbKey.mv_data = (char*)path.c_str();
int rc = mdb_del(txn, map, &lmdbKey, NULL);
if (rc != 0) {
throw Archive::Unknown(name.toStdString(), mdb_strerror(rc));
}
}
mdb_txn_commit(txn);
} catch (...) {
mdb_txn_abort(txn);
throw;
}
return list;
}
std::list<Shared::MessageInfo> Core::UrlStorage::deletedFile(const QString& path)
{
std::list<Shared::MessageInfo> list;
MDB_txn *txn;
mdb_txn_begin(environment, NULL, 0, &txn);
try {
std::string spath = path.toStdString();
MDB_val lmdbKey, lmdbData;
lmdbKey.mv_size = spath.size();
lmdbKey.mv_data = (char*)spath.c_str();
QString url;
int rc = mdb_get(txn, map, &lmdbKey, &lmdbData);
if (rc == 0) {
std::string surl((char*)lmdbData.mv_data, lmdbData.mv_size);
url = QString(surl.c_str());
} else if (rc == MDB_NOTFOUND) {
qDebug() << "Have been asked to remove file" << path << ", which isn't in the database, skipping";
mdb_txn_abort(txn);
return list;
} else {
throw Archive::Unknown(name.toStdString(), mdb_strerror(rc));
}
UrlInfo info;
std::string id = url.toStdString();
readInfo(url, info, txn);
info.getMessages(list);
info.setPath(QString());
writeInfo(url, info, txn, true);
rc = mdb_del(txn, map, &lmdbKey, NULL);
if (rc != 0) {
throw Archive::Unknown(name.toStdString(), mdb_strerror(rc));
}
mdb_txn_commit(txn);
} catch (...) {
mdb_txn_abort(txn);
throw;
}
return list;
}
QString Core::UrlStorage::getUrl(const QString& path)
{
std::list<Shared::MessageInfo> list;
MDB_txn *txn;
mdb_txn_begin(environment, NULL, MDB_RDONLY, &txn);
std::string spath = path.toStdString();
MDB_val lmdbKey, lmdbData;
lmdbKey.mv_size = spath.size();
lmdbKey.mv_data = (char*)spath.c_str();
QString url;
int rc = mdb_get(txn, map, &lmdbKey, &lmdbData);
if (rc == 0) {
std::string surl((char*)lmdbData.mv_data, lmdbData.mv_size);
url = QString(surl.c_str());
mdb_txn_abort(txn);
return url;
} else if (rc == MDB_NOTFOUND) {
mdb_txn_abort(txn);
throw Archive::NotFound(spath, name.toStdString());
} else {
mdb_txn_abort(txn);
throw Archive::Unknown(name.toStdString(), mdb_strerror(rc));
}
}
std::pair<QString, std::list<Shared::MessageInfo>> Core::UrlStorage::getPath(const QString& url)
{
UrlInfo info;
readInfo(url, info);
std::list<Shared::MessageInfo> container;
info.getMessages(container);
return std::make_pair(info.getPath(), container);
}
Core::UrlStorage::UrlInfo::UrlInfo():
localPath(),
messages() {}
Core::UrlStorage::UrlInfo::UrlInfo(const QString& path):
localPath(path),
messages() {}
Core::UrlStorage::UrlInfo::UrlInfo(const QString& path, const std::list<Shared::MessageInfo>& msgs):
localPath(path),
messages(msgs) {}
Core::UrlStorage::UrlInfo::~UrlInfo() {}
bool Core::UrlStorage::UrlInfo::addMessage(const QString& acc, const QString& jid, const QString& id)
{
for (const Shared::MessageInfo& info : messages) {
if (info.account == acc && info.jid == jid && info.messageId == id) {
return false;
}
}
messages.emplace_back(acc, jid, id);
return true;
}
void Core::UrlStorage::UrlInfo::serialize(QDataStream& data) const
{
data << localPath;
std::list<Shared::MessageInfo>::size_type size = messages.size();
data << quint32(size);
for (const Shared::MessageInfo& info : messages) {
data << info.account;
data << info.jid;
data << info.messageId;
}
}
void Core::UrlStorage::UrlInfo::deserialize(QDataStream& data)
{
data >> localPath;
quint32 size;
data >> size;
for (quint32 i = 0; i < size; ++i) {
messages.emplace_back();
Shared::MessageInfo& info = messages.back();
data >> info.account;
data >> info.jid;
data >> info.messageId;
}
}
void Core::UrlStorage::UrlInfo::getMessages(std::list<Shared::MessageInfo>& container) const
{
for (const Shared::MessageInfo& info : messages) {
container.emplace_back(info);
}
}
QString Core::UrlStorage::UrlInfo::getPath() const
{
return localPath;
}
bool Core::UrlStorage::UrlInfo::hasPath() const
{
return localPath.size() > 0;
}
void Core::UrlStorage::UrlInfo::setPath(const QString& path)
{
localPath = path;
}

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/*
* Squawk messenger.
* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CORE_URLSTORAGE_H
#define CORE_URLSTORAGE_H
#include <QString>
#include <QDataStream>
#include <lmdb.h>
#include <list>
#include "archive.h"
#include <shared/messageinfo.h>
namespace Core {
/**
* @todo write docs
*/
class UrlStorage
{
class UrlInfo;
public:
UrlStorage(const QString& name);
~UrlStorage();
void open();
void close();
void addFile(const QString& url);
void addFile(const QString& url, const QString& path);
void addFile(const QString& url, const QString& account, const QString& jid, const QString& id);
void addFile(const QString& url, const QString& path, const QString& account, const QString& jid, const QString& id);
void addFile(const std::list<Shared::MessageInfo>& msgs, const QString& url, const QString& path); //this one overwrites all that was
std::list<Shared::MessageInfo> removeFile(const QString& url); //removes entry like it never was in the database, returns affected message infos
std::list<Shared::MessageInfo> deletedFile(const QString& path); //empties the localPath of the entry, returns affected message infos
std::list<Shared::MessageInfo> setPath(const QString& url, const QString& path);
QString getUrl(const QString& path);
QString addMessageAndCheckForPath(const QString& url, const QString& account, const QString& jid, const QString& id);
std::pair<QString, std::list<Shared::MessageInfo>> getPath(const QString& url);
private:
QString name;
bool opened;
MDB_env* environment;
MDB_dbi base;
MDB_dbi map;
private:
void writeInfo(const QString& key, const UrlInfo& info, bool overwrite = false);
void writeInfo(const QString& key, const UrlInfo& info, MDB_txn* txn, bool overwrite = false);
void readInfo(const QString& key, UrlInfo& info);
void readInfo(const QString& key, UrlInfo& info, MDB_txn* txn);
UrlInfo addToInfo(const QString& url, const QString& account, const QString& jid, const QString& id, const QString& path = "-s");
private:
class UrlInfo {
public:
UrlInfo(const QString& path);
UrlInfo(const QString& path, const std::list<Shared::MessageInfo>& msgs);
UrlInfo();
~UrlInfo();
void serialize(QDataStream& data) const;
void deserialize(QDataStream& data);
QString getPath() const;
bool hasPath() const;
void setPath(const QString& path);
bool addMessage(const QString& acc, const QString& jid, const QString& id);
void getMessages(std::list<Shared::MessageInfo>& container) const;
private:
QString localPath;
std::list<Shared::MessageInfo> messages;
};
};
}
#endif // CORE_URLSTORAGE_H