C++ The following program should: -Make Employee and Department editable. That m

Question

C++

The following program should:

-Make Employee and Department editable. That means, the user should be able to edit a given Employee and Department.

-Do not allow the user to edit the Employee ID and Department ID.

------------------------

#include <iostream>
#include <string>
#include <fstream>
#include <cstdlib>
#include <cctype>

using namespace std;

//1st struct declaration
struct Department
{
   string departmentID;
   string departmentName;
   string departmentHeadName;

   //Does not allow to change employeeID and departmentID
   public: void changeValues(string name, string head)
   {
       departmentName=name;
       departmentHeadName=head;
   }
};
//2nd struct declaration
struct Employee
{
   string employeeID;
   string employeeName;
   double employeeSalary;
   int employeeAge;
   string employeeDepartmentID;
  
   //Does not allow to change employeeID and departmentID
   public: void changeVals(string name, int age, double salary)
   {
       employeeName=name;
       employeeAge=age;
       employeeSalary=salary;
   }
};
//Main function
int main() {
//Variables
   Employee e[7]; //Employee array with size 7
   Department d[5]; //Department array with size 5
   int choice = 0;
   int employeeAge = 0;
   int i = 0;
   int j = 0;
   string departmentID;
   string departmentName;
   string departmentHeadName;
   string employeeID;
   string employeeName;
   string employeeDepartmentID;
   double employeeSalary = 0.0;
   ifstream inputFile;
   ofstream outputFile;
   string dhn;
   string Id;
   string dn;
   string emPd;
   double es;
   int ea;
   string en;
   string ed;

   do {
       cout << " 1. Create Department 2. Create Employee";
       cout<< " 3. Retrieve DEPARTMENT data from file 4. Retrieve EMPLOYEE data from file";
       cout << " 5. Display Report";
       cout << " 6. Exit Enter your choice: ";
       cin >> choice;

       switch (choice) {
       case 1:
           if (i < 3) {

               cout << " Enter the department ID: ";
               cin.ignore(); //Skip the newline character
               getline(cin, departmentID);
               d[i].departmentID = departmentID;

               cout << " Enter the department name: ";
               getline(cin, departmentName);
               d[i].departmentName = departmentName;

               cout << " Enter the department head name: ";
               getline(cin, departmentHeadName);
               d[i].departmentHeadName = departmentHeadName;

               /* Random Access Files, writes the data to the file right away*/
               string line = departmentID + " " + departmentName + " "
                       + departmentHeadName + " ";
               ofstream outputFile("output.txt", ios::app);
               outputFile << line;
               outputFile.close();
               i++;
           } else
               cout<< " The array is full, you can not add any more departments ";
           break;

       case 2:
           if (j < 7) {
               cout << " Enter the employee ID: ";
               cin.ignore();
               getline(cin, employeeID);
               e[j].employeeID = employeeID;
               cout << " Enter the employee name: ";
               getline(cin, employeeName);
               e[j].employeeName = employeeName;

               cout << " Enter department ID: ";
               getline(cin, departmentID);
               e[j].employeeDepartmentID = departmentID;

               cout << " Enter the employee age: ";
               cin >> employeeAge;
               e[j].employeeAge = employeeAge;

               cout << " Enter the employee salary: $";
               cin >> employeeSalary;
               e[j].employeeSalary = employeeSalary;

               /* Random Access Files, writes the data to the file right away*/
               string line1 = employeeID + " " + employeeName + " "
                       + departmentName + " ";
               ofstream outputFile("output1.txt", ios::app);
               outputFile << line1;
               outputFile << employeeAge << " " << employeeSalary << " ";
               outputFile.close();
               j++;
           } else
               cout<< " The array is full, you can not add any more Employees ";
           break;

       case 3:
           cout << " Reading DEPARTMENT data from file ";
           {
               ifstream inputFile;
               inputFile.open("output.txt");
               for (int k = 0; k < 3; k++) {
                   cout << ' ';
                   inputFile >> dn;
                   d[k].departmentHeadName = dn;
                   cout << "Department Head Name: " << d[k].departmentHeadName
                           << ' ';
                   inputFile >> Id;
                   d[k].departmentID = Id;
                   cout << "Department ID: " << d[k].departmentID << ' ';
                   inputFile >> dhn;
                   d[k].departmentName = dhn;
                   cout << "Department Name: " << d[k].departmentName << ' ';
               }
               inputFile.close();
               break;
           }

       case 4:
           cout << " Reading EMPLOYEE data from file ";
           {
               ifstream inputFile;
               inputFile.open("output.txt");
               for (int l = 0; l < 7; l++) {
                   cout << ' ';

                   inputFile >> emPd;
                   e[l].employeeDepartmentID = emPd;
                   cout << "Employee Department ID: "
                           << e[l].employeeDepartmentID << ' ';

                   inputFile >> es;
                   e[l].employeeSalary = es;
                   cout << "Employee Salary: $" << e[l].employeeSalary << ' ';

                   inputFile >> ea;
                   e[l].employeeAge = ea;
                   cout << "Employee Age: " << e[l].employeeAge << ' ';

                   inputFile >> en;
                   e[l].employeeName = en;
                   cout << "Employee Name: " << e[l].employeeName << ' ';

                   inputFile >> ed;
                   e[l].employeeID = ed;
                   cout << "Employee ID: " << e[l].employeeID << ' ';
               }
               inputFile.close();
               break;
           }

       case 5:
           cout << " Report: ";
           {
               double totSalary = 0;
               for (j = 0; j < 7; j++) {
                   totSalary = totSalary + e[j].employeeSalary;
               }
               cout<< " The total salary of all the departments employees is: $" << totSalary << ' ';
               break;
           }
       case 6:
           cout << " Exiting: ";
           {
               char exitChoice;

               cout << "ALERT. Data has not been saved and will be lost.";
               cout << ' ';
               cout << " Do you wish to continue (Y/N)? ";
               cin >> exitChoice;

               if (exitChoice == 'Y' || exitChoice == 'y') {
                   cout << "Thank You. Good Bye";
                   cout << ' ' << ' ';
                   exit(0);
                   break;
               } else if (exitChoice == 'N' || exitChoice == 'n') {
               }
           }
           break;
       default:
           cout << " Select Option: " << ' ';
           break;
       }
   } while (choice != 7);
   return 0;
}

Explanation / Answer

This is how you should proceed with the structure

struct Department
{
   private:
   string departmentID;
   string departmentName;
   string departmentHeadName;

   //Does not allow to change employeeID and departmentID
   public:
   Department(string dID, string dName, string HeadName)
   {
   departmentID = dID;
    departmentName = dName;
    departmentHeadName = headName;
    }
  
   void setDepartmentName(string name)
   {
       departmentName=name;
   }

   void setDepartmentHeadName(string name)
   {
       departmentHeadName=name;
   }

   void getDepartmentName()
   {
       return departmentName;
   }

   void getDepartmentHeadName()
   {
       return departmentHeadName;
   }

};

struct Employee
{
   string employeeID;
   string employeeName;
   double employeeSalary;
   int employeeAge;
   string employeeDepartmentID;

   //Does not allow to change employeeID and departmentID
public:
    Employee(String eID, String eName, double eSalary, int eAge, string eDepartmentID) {
        employeeID = eID;
        employeeName = eName;
        employeeSalary = eSalary;
        employeeAge = employeeAge;
        employeeDepartmentID = eDepartmentID;
    }

    string getEmployeeName() {
        return employeeName;
    }

    void setEmployeeName(string eName) {
        this.employeeName = eName;
    }

    double getEmployeeSalary() {
        return employeeSalary;
    }

    void setEmployeeSalary(double eSalary) {
        this.employeeSalary = eSalary;
    }

    public int getEmployeeAge() {
        return employeeAge;
    }

    public void setEmployeeAge(int eAge) {
        employeeAge = eAge;
    }

    public String getEmployeeDepartmentID() {
        return employeeDepartmentID;
    }

    void setEmployeeDepartmentID(string eDepartmentID) {
        employeeDepartmentID = eDepartmentID;
    }

    public string getEmployeeID() {
        return employeeID;
    }

};

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