pgLab/pglab/OpenDatabase.cpp

#include "OpenDatabase.h"
#include "PgDatabaseCatalog.h"
#include "Pgsql_Connection.h"
#include "TypeSelectionItemModel.h"

Expected<OpenDatabase*> OpenDatabase::createOpenDatabase(const ConnectionConfig &cfg)
{
	OpenDatabase *odb = new OpenDatabase(cfg, nullptr);
	if (odb->Init()) {

        return odb;

	}
	//return Expected<ConnectionConfig>::fromException(std::out_of_range("Invalid row"));
    return Expected<OpenDatabase*>::fromException(
        std::runtime_error("Failed to get database information"));
}

OpenDatabase::OpenDatabase(const ConnectionConfig& cfg, QObject *parent)
	: QObject(parent)
	, m_config(cfg)
	, m_catalogue(std::make_shared<PgDatabaseCatalog>())
{
}

OpenDatabase::~OpenDatabase()
{
}

bool OpenDatabase::Init()
{
	Pgsql::Connection conn;
	auto kw = m_config.getKeywords();
	auto vals = m_config.getValues();
	if (conn.connect(kw, vals, 0)) {
		m_catalogue->loadAll(conn);
        return true;
	}
	return false;
}

std::shared_ptr<PgDatabaseCatalog> OpenDatabase::catalogue()
{
	return m_catalogue;
}


TypeSelectionItemModel* OpenDatabase::typeSelectionModel()
{
	if (m_typeSelectionModel == nullptr) {
		m_typeSelectionModel = new TypeSelectionItemModel(nullptr);
		m_typeSelectionModel->setTypeList(m_catalogue->types());
	}
	return m_typeSelectionModel;
}