SqLiteStorage::SqLiteStorage()
: SqlStorage()
, m_database( QSqlDatabase::addDatabase( DriverName, DatabaseName ) )
{
if ( ! QSqlDatabase::isDriverAvailable( DriverName ) ) {
throw CharmException( QObject::tr( "QSQLITE driver not available" ) );
}
}
void Controller::stateChanged( State previous, State next )
{
Q_UNUSED( previous );
switch( next ) {
case Connected:
{ // yes, it is that simple:
TaskList tasks = m_storage->getAllTasks();
// tell the view about the existing tasks;
if ( ! Task::checkForUniqueTaskIds( tasks ) ) {
throw CharmException( tr( "The Charm database is corrupted, it contains duplicate task ids. "
"Please have it looked after by a professional." ) );
}
if ( ! Task::checkForTreeness( tasks ) ) {
throw CharmException( tr( "The Charm database is corrupted, the tasks do not form a tree. "
"Please have it looked after by a professional." ) );
}
emit definedTasks( tasks );
EventList events = m_storage->getAllEvents();
emit allEvents( events );
}
break;
case Disconnecting:
{
emit readyToQuit();
if ( m_storage ) {
// this will still leave Qt complaining about a repeated connection
// qDebug() << "Application::enterConnectingState: closing existing storage interface";
m_storage->disconnect();
delete m_storage;
m_storage = nullptr;
}
}
break;
default:
break;
};
if ( m_storage ) {
emit currentBackendStatus( m_storage->description() );
m_storage->stateChanged( previous );
}
}
