//-----------------------------------------------------------------------------
void
QGCCacheWorker::_exportSets(QGCMapTask* mtask)
{
if(!_testTask(mtask)) {
return;
}
QGCExportTileTask* task = static_cast<QGCExportTileTask*>(mtask);
//-- Delete target if it exists
QFile file(task->path());
file.remove();
//-- Create exported database
QSqlDatabase *dbExport = new QSqlDatabase(QSqlDatabase::addDatabase("QSQLITE", kExportSession));
dbExport->setDatabaseName(task->path());
dbExport->setConnectOptions("QSQLITE_ENABLE_SHARED_CACHE");
if (dbExport->open()) {
if(_createDB(dbExport, false)) {
//-- Prepare progress report
quint64 tileCount = 0;
quint64 currentCount = 0;
for(int i = 0; i < task->sets().count(); i++) {
QGCCachedTileSet* set = task->sets()[i];
//-- Default set has no unique tiles
if(set->defaultSet()) {
tileCount += set->totalTileCount();
} else {
tileCount += set->uniqueTileCount();
}
}
if(!tileCount) {
tileCount = 1;
}
//-- Iterate sets to save
for(int i = 0; i < task->sets().count(); i++) {
QGCCachedTileSet* set = task->sets()[i];
//-- Create Tile Exported Set
QSqlQuery exportQuery(*dbExport);
exportQuery.prepare("INSERT INTO TileSets("
"name, typeStr, topleftLat, topleftLon, bottomRightLat, bottomRightLon, minZoom, maxZoom, type, numTiles, defaultSet, date"
") VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)");
exportQuery.addBindValue(set->name());
exportQuery.addBindValue(set->mapTypeStr());
exportQuery.addBindValue(set->topleftLat());
exportQuery.addBindValue(set->topleftLon());
exportQuery.addBindValue(set->bottomRightLat());
exportQuery.addBindValue(set->bottomRightLon());
exportQuery.addBindValue(set->minZoom());
exportQuery.addBindValue(set->maxZoom());
exportQuery.addBindValue(set->type());
exportQuery.addBindValue(set->totalTileCount());
exportQuery.addBindValue(set->defaultSet());
exportQuery.addBindValue(QDateTime::currentDateTime().toTime_t());
if(!exportQuery.exec()) {
task->setError("Error adding tile set to exported database");
break;
} else {
//-- Get just created (auto-incremented) setID
quint64 exportSetID = exportQuery.lastInsertId().toULongLong();
//-- Find set tiles
QString s = QString("SELECT * FROM SetTiles WHERE setID = %1").arg(set->id());
QSqlQuery query(*_db);
if(query.exec(s)) {
dbExport->transaction();
while(query.next()) {
quint64 tileID = query.value("tileID").toULongLong();
//-- Get tile
QString s = QString("SELECT * FROM Tiles WHERE tileID = \"%1\"").arg(tileID);
QSqlQuery subQuery(*_db);
if(subQuery.exec(s)) {
if(subQuery.next()) {
QString hash = subQuery.value("hash").toString();
QString format = subQuery.value("format").toString();
QByteArray img = subQuery.value("tile").toByteArray();
int type = subQuery.value("type").toInt();
//-- Save tile
exportQuery.prepare("INSERT INTO Tiles(hash, format, tile, size, type, date) VALUES(?, ?, ?, ?, ?, ?)");
exportQuery.addBindValue(hash);
exportQuery.addBindValue(format);
exportQuery.addBindValue(img);
exportQuery.addBindValue(img.size());
exportQuery.addBindValue(type);
exportQuery.addBindValue(QDateTime::currentDateTime().toTime_t());
if(exportQuery.exec()) {
quint64 exportTileID = exportQuery.lastInsertId().toULongLong();
QString s = QString("INSERT INTO SetTiles(tileID, setID) VALUES(%1, %2)").arg(exportTileID).arg(exportSetID);
exportQuery.prepare(s);
exportQuery.exec();
currentCount++;
task->setProgress((int)((double)currentCount / (double)tileCount * 100.0));
}
}
}
}
}
dbExport->commit();
}
}
} else {
task->setError("Error creating export database");
}
} else {
qCritical() << "Map Cache SQL error (create export database):" << dbExport->lastError();
task->setError("Error opening export database");
}
delete dbExport;
QSqlDatabase::removeDatabase(kExportSession);
task->setExportCompleted();
}
//-----------------------------------------------------------------------------
void
QGCCacheWorker::_getTileSets(QGCMapTask* mtask)
{
if(!_valid) {
mtask->setError("No Cache Database");
return;
}
QGCFetchTileSetTask* task = static_cast<QGCFetchTileSetTask*>(mtask);
QSqlQuery query(*_db);
QString s = QString("SELECT * FROM TileSets ORDER BY defaultSet DESC, name ASC");
if(query.exec(s)) {
while(query.next()) {
QString name = query.value("name").toString();
QString desc = query.value("description").toString();
QGCCachedTileSet* set = new QGCCachedTileSet(name, desc);
set->setId(query.value("setID").toULongLong());
set->setMapTypeStr(query.value("typeStr").toString());
set->setTopleftLat(query.value("topleftLat").toDouble());
set->setTopleftLon(query.value("topleftLon").toDouble());
set->setBottomRightLat(query.value("bottomRightLat").toDouble());
set->setBottomRightLon(query.value("bottomRightLon").toDouble());
set->setMinZoom(query.value("minZoom").toInt());
set->setMaxZoom(query.value("maxZoom").toInt());
set->setType((UrlFactory::MapType)query.value("type").toInt());
set->setNumTiles(query.value("numTiles").toUInt());
set->setTilesSize(query.value("tilesSize").toULongLong());
set->setDefaultSet(query.value("defaultSet").toInt() != 0);
set->setCreationDate(QDateTime::fromTime_t(query.value("date").toUInt()));
//-- Load thumbnail (if not default set)
if(!set->defaultSet()) {
int w = query.value("thumbW").toInt();
int h = query.value("thumbH").toInt();
if(w && h) {
QByteArray ba = query.value("thumbNail").toByteArray();
set->setThumbNail(QImage((uchar*)(void*)ba.data(), w, h, QImage::Format_RGB32));
}
}
_updateSetTotals(set);
//-- Object created here must be moved to app thread to be used there
set->moveToThread(QApplication::instance()->thread());
task->tileSetFetched(set);
}
} else {
task->setError("No tile set in database");
}
}
//-----------------------------------------------------------------------------
void
QGCCacheWorker::_getTileSets(QGCMapTask* mtask)
{
if(!_testTask(mtask)) {
return;
}
QGCFetchTileSetTask* task = static_cast<QGCFetchTileSetTask*>(mtask);
QSqlQuery query(*_db);
QString s = QString("SELECT * FROM TileSets ORDER BY defaultSet DESC, name ASC");
qCDebug(QGCTileCacheLog) << "_getTileSets(): " << s;
if(query.exec(s)) {
while(query.next()) {
QString name = query.value("name").toString();
QGCCachedTileSet* set = new QGCCachedTileSet(name);
set->setId(query.value("setID").toULongLong());
set->setMapTypeStr(query.value("typeStr").toString());
set->setTopleftLat(query.value("topleftLat").toDouble());
set->setTopleftLon(query.value("topleftLon").toDouble());
set->setBottomRightLat(query.value("bottomRightLat").toDouble());
set->setBottomRightLon(query.value("bottomRightLon").toDouble());
set->setMinZoom(query.value("minZoom").toInt());
set->setMaxZoom(query.value("maxZoom").toInt());
set->setType((UrlFactory::MapType)query.value("type").toInt());
set->setTotalTileCount(query.value("numTiles").toUInt());
set->setDefaultSet(query.value("defaultSet").toInt() != 0);
set->setCreationDate(QDateTime::fromTime_t(query.value("date").toUInt()));
_updateSetTotals(set);
//-- Object created here must be moved to app thread to be used there
set->moveToThread(QApplication::instance()->thread());
task->tileSetFetched(set);
}
} else {
task->setError("No tile set in database");
}
}
