fork download

copy

class IEmployee
{
public:
	virtual double salary() const = 0;
};
 
class Employee : public IEmployee
{
public:
	Employee(unsigned id);
	double salary() const override;
 
private:
	double baseRate() const;
	double workExperience() const;
	double extraPercents() const;
	double percentsPerYear() const;
	double extraPay(double base, double percents) const;
 
	unsigned id;
};
 
 
Employee::Employee(unsigned id)
	: id(id)
{
 
}
 
double Employee::extraPay(double baseRate, double extraPayPercents) const
{
	static const double EXTRA_PAY_LIMIT = 0.3;
 
	if (extraPayPercents < EXTRA_PAY_LIMIT)
		return baseRate * extraPayPercents;
	else
		return baseRate * EXTRA_PAY_LIMIT;
}
 
double Employee::percentsPerYear() const
{
	return 0.03;
}
 
double Employee::extraPercents() const
{
	return percentsPerYear() * workExperience();
}
 
double Employee::salary() const
{
	double rate = baseRate();
	return rate + extraPay(rate, extraPercents());
}
 
double Employee::baseRate() const
{
	QSqlQuery q("SELECT base_rate FROM employee WHERE id = " + QString::number(id));
	if (q.next())
	{
		return q.value(0).toInt();
	}
	return 0.0;
}
 
double Employee::workExperience() const
{
	QSqlQuery q("SELECT DATE('now') - (SELECT hire_date FROM employee " \
		" WHERE id = " + QString::number(id) + ")");
	if (q.next())
	{
		return q.value(0).toInt();
	}
	return 0.0;
}

prog.cpp: In member function ‘double Employee::baseRate() const’:
prog.cpp:58:2: error: ‘QSqlQuery’ was not declared in this scope
  QSqlQuery q("SELECT base_rate FROM employee WHERE id = " + QString::number(id));
  ^~~~~~~~~
prog.cpp:59:6: error: ‘q’ was not declared in this scope
  if (q.next())
      ^
prog.cpp: In member function ‘double Employee::workExperience() const’:
prog.cpp:68:2: error: ‘QSqlQuery’ was not declared in this scope
  QSqlQuery q("SELECT DATE('now') - (SELECT hire_date FROM employee " \
  ^~~~~~~~~
prog.cpp:70:6: error: ‘q’ was not declared in this scope
  if (q.next())
      ^

Standard output is empty