void ComputerRepository::add(Computer &comp) {
auto query = SQLConnection::getInstance()->getQuery();
query->prepare("INSERT INTO computers (name, type, build_year, built) VALUES (?,?,?,?)");
query->addBindValue(QString::fromStdString(comp.getName()));
query->addBindValue(QString::fromStdString(comp.getType()));
query->addBindValue(comp.getBuildYear());
query->addBindValue(comp.getBuilt());
if(!query->exec())
throw std::runtime_error(query->lastError().text().toStdString());
}
void ComputerRepository::update(Computer &comp, Computer &replace) {
auto query = SQLConnection::getInstance()->getQuery();
query->prepare("UPDATE computers SET name = ?, type = ?, build_year = ?, built = ? WHERE id = ?");
query->addBindValue(QString::fromStdString(replace.getName()));
query->addBindValue(QString::fromStdString(replace.getType()));
query->addBindValue(replace.getBuildYear());
query->addBindValue(replace.getBuilt());
query->addBindValue(comp.getID());
if(!query->exec())
throw std::runtime_error(query->lastError().text().toStdString());
}
void ComputerRepository::remove(Computer &comp) {
auto query = SQLConnection::getInstance()->getQuery();
query->prepare("DELETE FROM computers WHERE id = ?");
query->addBindValue(comp.getID());
if(!query->exec())
throw std::runtime_error(query->lastError().text().toStdString());
query->clear();
// Also clean all relations to other computers
query->prepare("DELETE FROM scientist_computer WHERE computer_id = ?");
query->addBindValue(comp.getID());
if(!query->exec())
throw std::runtime_error(query->lastError().text().toStdString());
}
int QSqlQuery_addBindValue(lua_State* const state)
{
auto self = lua::get<QSqlQuery*>(state, 1);
if (lua_gettop(state) == 2) {
// void addBindValue(const QVariant & val)
self->addBindValue(
lua::get<const QVariant&>(state, 2)
);
} else {
// void addBindValue(const QVariant & val, QSql::ParamType paramType = QSql::In)
self->addBindValue(
lua::get<const QVariant&>(state, 2),
lua::get<QSql::ParamType>(state, 3)
);
}
return 0;
}
void ComputerRepository::unlink(Computer &c, Scientist &s) {
auto query = SQLConnection::getInstance()->getQuery();
query->prepare("DELETE FROM scientist_computer WHERE scientist_id = ? AND computer_id = ?");
query->addBindValue(s.getID());
query->addBindValue(c.getID());
if(!query->exec())
throw std::runtime_error(query->lastError().text().toStdString());
}
void ComputerRepository::link(Computer &c, Scientist &s) {
auto query = SQLConnection::getInstance()->getQuery();
query->prepare("INSERT INTO scientist_computer (scientist_id, computer_id) VALUES (?,?)");
query->addBindValue(s.getID());
query->addBindValue(c.getID());
if(!query->exec())
throw std::runtime_error(query->lastError().text().toStdString());
}
//Searches for Computers after the parameters selected
vector<Computer> ComputerRepository::search(ComputerFields::Field field, size_t rows, string search) {
vector<Computer> ret;
auto query = SQLConnection::getInstance()->getQuery();
QString search_field = ComputerFields::toField(field);
query->prepare("SELECT * FROM computers WHERE " + search_field + " LIKE '%'|| ? ||'%' LIMIT " + QString::fromStdString(to_string(rows)));
query->addBindValue(QString::fromStdString(search));
if(!query->exec())
throw std::runtime_error(query->lastError().text().toStdString());
while(query->next()) {
ret.push_back(getComputer(query));
}
return ret;
}
vector<Computer> ComputerRepository::byScientist(Scientist &s) {
vector<Computer> ret;
auto query = SQLConnection::getInstance()->getQuery();
// Select just the scientists.* to not get id conflicts. TODO: rename the id
query->prepare("SELECT computers.* FROM scientist_computer "
"INNER JOIN computers ON computers.id = scientist_computer.computer_id "
"WHERE scientist_id = ?");
query->addBindValue(s.getID());
if(!query->exec())
throw std::runtime_error(query->lastError().text().toStdString());
while(query->next()) {
ret.push_back(getComputer(query));
}
return ret;
}
/*!
\overload
Binds the placeholder with type \c QSql::In.
*/
void QSqlQuery::addBindValue( const QVariant& val )
{
addBindValue( val, QSql::In );
}