OOP - Zadaca 2

#include <iostream>
#include <cstring>
#define MAX 100

using namespace std;

enum typeC{standard=0,loyal=1,vip=2};
class UserExistsException{
private:
    char poraka[100];
public:
    UserExistsException(const char *poraka="")
    {
        strcpy(this->poraka,poraka);
    }
    void print()
    {
        cout<<poraka<<endl;
    }


};
class Customer{
private:
    char ime[50];
    char eadresa[50];
    typeC vid;
    static int osnoven_popust;
    const static int dopolnitelen_popust;
    int broj_kupeni;
public:
    Customer(const char *ime="",const char *eadresa="",typeC vid=(typeC)0,int broj_kupeni=0)
    {
        strcpy(this->ime,ime);
        strcpy(this->eadresa,eadresa);
        this->vid=vid;
        this->broj_kupeni=broj_kupeni;
    }
    typeC getVid()
    {
        return vid;
    }
    void setVid(int number)
    {
        vid=(typeC)number;
    }
    int getKupeni()
    {
        return broj_kupeni;
    }
    static void setDiscount1(int number)
    {
        osnoven_popust=number;
    }
    static int getPopust()
    {
        return osnoven_popust;
    }
    friend ostream &operator << (ostream &out,Customer &c)
    {
        out<<c.ime<<endl<<c.eadresa<<endl<<c.broj_kupeni<<endl;
        if(c.getVid()==0)
        {
            out<<"standard"<<" "<<"0"<<endl;
        }
        else if(c.getVid()==1)
        {
            out<<"loyal"<<" "<<c.osnoven_popust<<endl;
        }
        else if(c.getVid()==2)
        {
            out<<"vip"<<" "<<c.dopolnitelen_popust+c.osnoven_popust<<endl;
        }
        return out;
    }
    char *getAdresa()
    {
        return eadresa;
    }


};
int Customer::osnoven_popust=10;
const int Customer::dopolnitelen_popust=20;
class FINKI_bookstore{
private:
    Customer *kupuvaci;
    int broj;
public:
    FINKI_bookstore()
    {
        this->kupuvaci = new Customer[0];
        this->broj=0;
    }
    void setCustomers(Customer *novi,int n)
    {
        this->kupuvaci = new Customer[n];
        this->broj=n;
        for(int i=0;i<broj;i++)
        {
            this->kupuvaci[i]=novi[i];
        }
    }
    FINKI_bookstore &operator+=(Customer &arg)
    {

        int flag=0;
        for(int i=0;i<broj;i++)
        {
            if(strcmp(kupuvaci[i].getAdresa(),arg.getAdresa())==0)
            {
                throw UserExistsException("The user already exists in the list!");
                flag=1;
            }
        }
        if(flag==0)
        {
        Customer *tmp = new Customer[broj+1];
        for(int i=0;i<broj;i++)
        {
            tmp[i]=kupuvaci[i];
        }
        tmp[broj++]=arg;
        delete [] kupuvaci;
        kupuvaci = tmp;

        }
         return *this;
    }
    void update()
    {
        for(int i=0;i<broj;i++)
        {
            if(kupuvaci[i].getVid()==0)
            {
                if(kupuvaci[i].getKupeni()>5)
                {
                    kupuvaci[i].setVid((typeC)1);
                }
            }
            else if(kupuvaci[i].getVid()==1)
            {
                if(kupuvaci[i].getKupeni()>10)
                {
                    kupuvaci[i].setVid((typeC)2);
                }
            }
        }
    }
    friend ostream &operator <<(ostream &out,FINKI_bookstore &fb)
    {
        for(int i=0;i<fb.broj;i++)
        {
            out<<fb.kupuvaci[i];
        }
        return out;
    }


};
int main(){
  int testCase;
  cin >> testCase;

  char name[MAX];
  char email[MAX];
  int tC;
  int discount;
  int numProducts;


  if (testCase == 1){
    cout << "===== Test Case - Customer Class ======" << endl;
    cin.get();
    cin.getline(name,MAX);
    cin.getline(email,MAX);
    cin >> tC;
    cin >> numProducts;
    cout << "===== CONSTRUCTOR ======" << endl;
    Customer c(name, email, (typeC) tC, numProducts);
    cout << c;

  }

  if (testCase == 2){
    cout << "===== Test Case - Static Members ======" << endl;
    cin.get();
    cin.getline(name,MAX);
    cin.getline(email,MAX);
    cin >> tC;
    cin >> numProducts;
    cout << "===== CONSTRUCTOR ======" << endl;
    Customer c(name, email, (typeC) tC, numProducts);
    cout << c;

    c.setDiscount1(5);

    cout << c;
  }

  if (testCase == 3){
    cout << "===== Test Case - FINKI-bookstore ======" << endl;
    FINKI_bookstore fc;
    int n;
    cin >> n;
    Customer customers[MAX];
    for(int i = 0; i < n; ++i) {
      cin.get();
      cin.getline(name,MAX);
      cin.getline(email,MAX);
      cin >> tC;
      cin >> numProducts;
      Customer c(name, email, (typeC) tC, numProducts);
      customers[i] = c;
    }

    fc.setCustomers(customers, n);

    cout << fc <<endl;
  }

  if (testCase == 4){
    cout << "===== Test Case - operator+= ======" << endl;
    FINKI_bookstore fc;
    int n;
    cin >> n;
    Customer customers[MAX];
    for(int i = 0; i < n; ++i) {
      cin.get();
      cin.getline(name,MAX);
      cin.getline(email,MAX);
      cin >> tC;
      cin >> numProducts;
      Customer c(name, email, (typeC) tC, numProducts);
      customers[i] = c;
    }

    fc.setCustomers(customers, n);
    cout << "OPERATOR +=" << endl;
    cin.get();
    cin.getline(name,MAX);
    cin.getline(email,MAX);
    cin >> tC;
    cin >> numProducts;
    Customer c(name, email, (typeC) tC, numProducts);
    try{
    fc+=c;
    }
    catch(UserExistsException &exc)
    {
        exc.print();
    }

    cout << fc;
  }

  if (testCase == 5){
    cout << "===== Test Case - operator+= (exception) ======" << endl;
    FINKI_bookstore fc;
    int n;
    cin >> n;
    Customer customers[MAX];
    for(int i = 0; i < n; ++i) {
      cin.get();
      cin.getline(name,MAX);
      cin.getline(email,MAX);
      cin >> tC;
      cin >> numProducts;
      Customer c(name, email, (typeC) tC, numProducts);
      customers[i] = c;
        }
    fc.setCustomers(customers, n);
    cout << "OPERATOR +=" << endl;
    cin.get();
    cin.getline(name,MAX);
    cin.getline(email,MAX);
    cin >> tC;
    cin >> numProducts;
          Customer c(name, email, (typeC) tC, numProducts);
      try {
    fc+=c;
      }
         catch (UserExistsException &ex) {
      ex.print();
      }
    cout << fc;
  }

  if (testCase == 6){
    cout << "===== Test Case - update method  ======" << endl << endl;
    FINKI_bookstore fc;
    int n;
    cin >> n;
    Customer customers[MAX];
    for(int i = 0; i < n; ++i) {
      cin.get();
      cin.getline(name,MAX);
      cin.getline(email,MAX);
      cin >> tC;
      cin >> numProducts;
      Customer c(name, email, (typeC) tC, numProducts);
      customers[i] = c;
    }

    fc.setCustomers(customers, n);

    cout << "Update:" << endl;
    fc.update();
    cout << fc;
  }
  return 0;

}