colnod-connector/src/colnod/syncmanager.cpp

338 lines
13 KiB
C++

#include "syncmanager.h"
Q_LOGGING_CATEGORY(syncmanager, "sync.manager");
SyncManager::SyncManager(bool dryMode)
:mDryMode(dryMode)
{
}
bool SyncManager::databaseInitialization()
{
database = std::make_shared<DatabaseAPI>(&dbMan, mDryMode);
// Open database
if (!database->open()) {
qCritical(syncmanager) << "Not possible to open database:" << dbMan.database().hostName();
return false;
}
// Get last synchronizaiton date
qint64 lastsync_in_ms = database->getLastSync();
if (lastsync_in_ms == -1) {
qCritical(syncmanager) << "Not possible to get last synchronization date";
return false;
}
// here -> nothing can fail
mlastSync.setTimestamp(database->getLastSync());
colnod = std::make_shared<ColnodAPI>(&reqMan, mDryMode);
return true;
}
bool SyncManager::startSynchronization()
{
// I have to current time from database
qint64 syncBegin = database->getNow();
if (syncBegin == -1) {
qCritical(syncmanager) << "Not possible to get last sync date";
return false;
}
qInfo(syncmanager) << equals;
qInfo(syncmanager) << "SYNCHRONIZATION BEGIN";
qInfo(syncmanager) << equals;
qInfo(syncmanager) << "DOWNLOADING DATA -> BEGIN";
qInfo(syncmanager) << dash;
qInfo(syncmanager).noquote() << "Modified data since last synchronization (" << mlastSync.toDateString() << "):";
qInfo(syncmanager) << dash;
// GETTING DATA FROM DATABASE
auto databaseData = database->downloadData();
if (!databaseData) {
qCritical(syncmanager) << "not possible to get data from database";
return false;
}
// NOW I HAVE DATA FROM DATABASE
colnod->downloadData(syncBegin);
connect(colnod.get(), &ColnodAPI::downloadDataFinished, [=](std::shared_ptr<Data> colnodData) {
qInfo(syncmanager) << "DOWNLOADING DATA -> FINISHED";
qInfo(syncmanager) << equals;
if (!colnodData) {
qCritical(syncmanager) << "Not possible to get correct data from colnod";
QCoreApplication::exit(-1);
return;
}
// NOW I SHOULD HAVE VALID DATA FROM COLNOD
std::unique_ptr<PreparedData> preparedData = prepareDataNew(databaseData, colnodData);
if (!preparedData) {
qCritical(syncmanager) << "Not possible to get correct data from colnod";
QCoreApplication::exit(-1);
return;
}
qInfo(syncmanager) << equals;
qInfo(syncmanager) << "PROCESSING DATA -> BEGIN";
qInfo(syncmanager) << dash;
qInfo(syncmanager) << "Push changes to both Colnod and Database:";
qInfo(syncmanager) << dash;
if (!database->processData(preparedData->databaseData)) {
qCritical(syncmanager) << "Not possible to upload data to database";
}
// data is processed to other sides
connect(colnod.get(), &ColnodAPI::dataProcessFinished, [&](){
qInfo(syncmanager) << "PROCESSING DATA -> FINISHED";
qInfo(syncmanager) << equals;
// REUPDATE tokens pushed from database to colnod (cause of lastUpdate time)
Timestamp time;
time.setTimestamp(syncBegin);
database->reupdateDeleted(preparedData->databaseData->deletedTokens);
// download data changes in this sync
colnod->getTokensUpdated(time);
// updated data are ready
connect(colnod.get(), &ColnodAPI::partOfDataReady, [=](const std::shared_ptr<Data> &uploadedData){
if (!uploadedData) {
qCritical(syncmanager) << "Not possible to get correct data from colnod";
QCoreApplication::exit(-1);
return;
}
if (!database->uploadTokens(uploadedData->updatedTokens)) {
qCritical(syncmanager) << "Not possible to upload data to database";
}
database->reupdateDeleted(uploadedData->deletedTokens);
if (!database->isValid() || !colnod->isValid()) {
qWarning(syncmanager) << "Synchronization was unsuccessful, next run of sync will be with same last sync time, check warnings";
}
else {
database->setLastSync(syncBegin);
qInfo(syncmanager).noquote() << "Update last synchronization time to time of this sync ("
<< QDateTime::fromMSecsSinceEpoch(syncBegin).toString("yyyy-MM-dd hh:mm:ss.zzz")
<< ")";
}
qInfo(syncmanager) << equals;
qInfo(syncmanager) << "SYNCHRONIZATION FINISHED";
qInfo(syncmanager) << equals;
QCoreApplication::exit();
});
});
colnod->processData(preparedData->colnodData);
//qCritical(syncmanager) << "Not possible to upload data to colnod";
});
return true;
}
std::unique_ptr<PreparedData> SyncManager::prepareDataNew(const std::shared_ptr<Data> &databaseData, const std::shared_ptr<Data> &colnodData)
{
auto preparedColnodData = std::make_shared<Data>();
auto preparedDatabaseData = std::make_shared<Data>();
QList<QString> conflicts;
QList<QString> alreadySynced;
qInfo(syncmanager) << equals;
qInfo(syncmanager) << "PREPARING DATA -> BEGIN";
qInfo(syncmanager) << dash;
qInfo(syncmanager) << "Resolve conflicts ( changes on same item on both Colnod and DB ):";
qInfo(syncmanager) << dash;
for (const auto &colnodToken : colnodData->updatedTokens) {
// not conflict so add to prepered tokens
if (!databaseData->updatedTokens.contains(colnodToken->id())) {
preparedColnodData->updatedTokens.insert(colnodToken->id(), colnodToken);
continue;
}
// change in colnod is newer
if (databaseData->updatedTokens.value(colnodToken->id()) < colnodToken) {
preparedColnodData->updatedTokens.insert(colnodToken->id(), colnodToken);
}
else {
conflicts.append(colnodToken->id());
}
auto token = database->getToken(colnodToken->id());
if ( token )
// alredy synced ( tokens are same )
if (token == colnodToken)
alreadySynced.append(colnodToken->id());
}
for (const auto &id : colnodData->deletedTokens) {
if (!database->isAlreadyDeleted(id)) {
preparedColnodData->deletedTokens.append(id);
}
}
qInfo(syncmanager) << tab << "-> COLNOD DATA - CHANGES:";
qInfo(syncmanager) << tab << tab << conflicts.size() << "TOKENS WERE ADDED/UPDATED IN DATABASE AFTER";
qInfo(syncmanager) << tab << tab << alreadySynced.size() << "TOKENS WERE ALREADY SYNCED";
qInfo(syncmanager) << tab << tab << colnodData->deletedTokens.size() - preparedColnodData->deletedTokens.size() << "TOKENS WERE ALREADY DELETED";
qInfo(syncmanager) << dash;
for (const auto &databaseToken : databaseData->updatedTokens) {
if (databaseToken->name().isEmpty()) {
initNewToken(databaseToken);
}
// restriction cauesed by colnod rest api
if (databaseToken->description() != "mobile") {
qCritical(syncmanager) << "Token:" << databaseToken->id() << "doesn't have 'mobile' in description, can't be ";
continue;
}
// no conflict
if (!colnodData->updatedTokens.contains(databaseToken->id())) {
preparedDatabaseData->updatedTokens.insert(databaseToken->id(), databaseToken);
continue;
}
// database change is newer
if (databaseToken > colnodData->updatedTokens.value(databaseToken->id())) {
preparedDatabaseData->updatedTokens.insert(databaseToken->id(), databaseToken);
}
}
qInfo(syncmanager) << tab << "-> DATABASE DATA - CHANGES:";
qInfo(syncmanager) << tab << tab << databaseData->updatedTokens.size() - preparedColnodData->updatedTokens.size() << "TOKENS WERE ADDED/UPDATED IN COLNOD AFTER";
qInfo(syncmanager) << dash;
qInfo(syncmanager) << "PREPARING DATA -> FINISHED";
qInfo(syncmanager) << equals;
auto preparedData = std::make_unique<PreparedData>(preparedDatabaseData, preparedColnodData);
return preparedData;
}
void SyncManager::initNewToken(const std::shared_ptr<Token>& token)
{
Q_ASSERT(database);
Q_ASSERT(token);
qint16 num = database->getNumOfTokensOfSubject(token->subjectId());
token->setName(database->getSubjectNameByTokenId(token->id()) + "_mobile_" + QString::number(num + 1));
token->setDescription("mobile");
token->setTokenData(token->tokenData().toUpper());
qInfo(syncmanager).noquote() << Message::massageTemplate("Inicializing new", "token", "sync manager", token->name());
}
std::unique_ptr<PreparedData> SyncManager::prepareDataUsindOld(const std::shared_ptr<Data> &databaseData, const std::shared_ptr<Data> &colnodData)
{
qInfo(syncmanager) << equals;
qInfo(syncmanager) << "PREPARING DATA -> BEGIN";
qInfo(syncmanager) << dash;
qInfo(syncmanager) << "Resolve conflicts ( changes on same item on both Colnod and DB ):";
qInfo(syncmanager) << dash;
Q_ASSERT(colnodData);
Q_ASSERT(databaseData);
// TODO: why copy data?
std::shared_ptr<Data> cloneColnodDataToProcess = std::make_shared<Data>(*colnodData);
std::shared_ptr<Data> cloneDatabaseDataToProcess = std::make_shared<Data>(*databaseData);
QList<QString> conflicts;
QList<QString> alreadySynced;
// check modifed tokens from colnod, dont want update token, if it was edited in db after or has been already synced
for (const auto &colnodToken : cloneColnodDataToProcess->updatedTokens) {
if (cloneDatabaseDataToProcess->updatedTokens.contains(colnodToken->id())) {
// updated in db later
if (cloneDatabaseDataToProcess->updatedTokens.value(colnodToken->id()) > colnodToken) {
conflicts.append(colnodToken->id());
}
continue;
}
auto token = database->getToken(colnodToken->id());
if ( token )
// alredy synced ( tokens are same )
if (token == colnodToken)
alreadySynced.append(colnodToken->id());
}
// remove tokens which should be not updated
for (const auto &id : conflicts)
cloneColnodDataToProcess->updatedTokens.remove(id);
for (const auto &id : alreadySynced)
cloneColnodDataToProcess->updatedTokens.remove(id);
qInfo(syncmanager) << tab << "-> COLNOD DATA - CHANGES:";
qInfo(syncmanager) << tab << tab << conflicts.size() << "TOKENS WERE ADDED/UPDATED IN DATABASE TOO";
qInfo(syncmanager) << tab << tab << alreadySynced.size() << "TOKENS WERE ALREADY SYNCED";
conflicts.clear();
// chech for already deleted ( in previous synced tokens were deleted from colnod, so it come to this sync but we dont want to sync it again
for (const auto &id : cloneColnodDataToProcess->deletedTokens) {
if (database->isAlreadyDeleted(id)) {
conflicts.append(id);
}
}
for (const auto &id : conflicts) {
cloneColnodDataToProcess->deletedTokens.removeOne(id);
}
qInfo(syncmanager) << tab << tab << conflicts.size() << "TOKENS WERE ALREADY DELETED";
qInfo(syncmanager) << dash;
conflicts.clear();
// chech modified from db, remove token if it was edited in colnod later
for (const auto &databaseToken : cloneDatabaseDataToProcess->updatedTokens) {
if (cloneColnodDataToProcess->updatedTokens.contains(databaseToken->id())) {
if (databaseToken < cloneColnodDataToProcess->updatedTokens.value(databaseToken->id()))
conflicts.append(databaseToken->id());
}
else {
// restriction cauesed by colnod rest api
if (databaseToken->description() != "mobile") {
qCritical(syncmanager) << "Token:" << databaseToken->id() << "doesn't have 'mobile' in description, can't be ";
conflicts.append(databaseToken->id());
}
}
}
for (const auto &id : conflicts)
cloneColnodDataToProcess->updatedTokens.remove(id);
qInfo(syncmanager) << tab << "-> DATABASE DATA - CHANGES:";
qInfo(syncmanager) << tab << tab << conflicts.size() << "TOKENS WERE ADDED/UPDATED IN IN COLNOD TOO";
qInfo(syncmanager) << dash;
qInfo(syncmanager) << "PREPARING DATA -> FINISHED";
qInfo(syncmanager) << equals;
// Prepare data
auto preparedData = std::make_unique<PreparedData>();
preparedData->colnodData = cloneColnodDataToProcess;
preparedData->databaseData = cloneDatabaseDataToProcess;
return preparedData;
}