// Fig. 10.1: commis1.cpp
// Member function definitions for class CommissionWorker
#include "Commis1.h"

using namespace std;

// Constructor for class CommissionWorker
CommissionWorker::CommissionWorker(string first, string last, double salary, 
    		     	double commission, int quantity) : Employee(first, last)  
    			// called base-class constructor
{  setSalary(salary);
   setCommission(commission);
   setQuantity(quantity);
}

// Set CommissionWorker's weekly base salary
void CommissionWorker::setSalary(double s) 
{ salary = s > 0 ? s : 0; }

// Set CommissionWorker's commission
void CommissionWorker::setCommission(double c)
{ commission = c > 0 ? c : 0; }

// Set CommissionWorker's quantity sold
void CommissionWorker::setQuantity(int q)
{ quantity = q > 0 ? q : 0; }

// Determine CommissionWorker's earnings
double CommissionWorker::earnings() const
{ return salary + commission * quantity; }

// Print the CommissionWorker's name 
void CommissionWorker::print(ostream &dest) const
{
   dest << "\nCommission worker: ";
   Employee::print(dest);
}