// Fig. 13.2: CommissionEmployee.cpp
// Class CommissionEmployee member-function definitions.
#include <iostream>
using std::cout;

#include "CommissionEmployee.h" // CommissionEmployee class definition

// constructor
CommissionEmployee::CommissionEmployee( 
   const string &first, const string &last, const string &ssn, 
   double sales, double rate )
   : firstName( first ), lastName( last ), socialSecurityNumber( ssn )
{
   setGrossSales( sales ); // validate and store gross sales
   setCommissionRate( rate ); // validate and store commission rate
} // end CommissionEmployee constructor

// set first name
void CommissionEmployee::setFirstName( const string &first )
{
   firstName = first; // should validate
} // end function setFirstName

// return first name
string CommissionEmployee::getFirstName() const
{
   return firstName;
} // end function getFirstName

// set last name
void CommissionEmployee::setLastName( const string &last )
{
   lastName = last; // should validate
} // end function setLastName

// return last name
string CommissionEmployee::getLastName() const
{
   return lastName;
} // end function getLastName

// set social security number
void CommissionEmployee::setSocialSecurityNumber( const string &ssn )
{
   socialSecurityNumber = ssn; // should validate
} // end function setSocialSecurityNumber

// return social security number
string CommissionEmployee::getSocialSecurityNumber() const
{
   return socialSecurityNumber;
} // end function getSocialSecurityNumber

// set gross sales amount
void CommissionEmployee::setGrossSales( double sales )
{
   grossSales = ( sales < 0.0 ) ? 0.0 : sales;
} // end function setGrossSales

// return gross sales amount
double CommissionEmployee::getGrossSales() const
{
   return grossSales;
} // end function getGrossSales

// set commission rate
void CommissionEmployee::setCommissionRate( double rate )
{
   commissionRate = ( rate > 0.0 && rate < 1.0 ) ? rate : 0.0;
} // end function setCommissionRate

// return commission rate
double CommissionEmployee::getCommissionRate() const
{
   return commissionRate;
} // end function getCommissionRate

// calculate earnings
double CommissionEmployee::earnings() const
{
   return getCommissionRate() * getGrossSales();
} // end function earnings

// print CommissionEmployee object
void CommissionEmployee::print() const
{
   cout << "commission employee: " 
      << getFirstName() << ' ' << getLastName() 
      << "\nsocial security number: " << getSocialSecurityNumber() 
      << "\ngross sales: " << getGrossSales() 
      << "\ncommission rate: " << getCommissionRate();
} // end function print


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