Zadaca 5

#include <iostream>
#include <cstring>
#include <ctype.h>
#include <string.h>
#include <math.h>
using namespace std;

enum Kupuvac{standardni,lojlani,vip};

class UserExistsException
{
public:
    void message()
    {
        cout<<"The user already exists in the list!"<<endl;
    }
};

class Customer
{
protected:
    char ime[51];
    char adresa[51];
    Kupuvac tip;
    static int osnovenPopust;
    static const int dopolnitelenPopust=20;
    int kupeniProizvodi;
public:
    Customer(char *ime="" , char *adresa="", Kupuvac tip=standardni , int kupeniProizvodi=0)
    {
        strcpy(this->ime,ime);
        strcpy(this->adresa,adresa);
        this->tip=(Kupuvac)tip;
        this->kupeniProizvodi=kupeniProizvodi;
    }

    static void setPopust(int popust2)
    {
        osnovenPopust=popust2;
    }

    friend ostream &operator<<(ostream &out , Customer &c)
    {
        out<<c.ime<<endl;
        out<<c.adresa<<endl;
        out<<c.kupeniProizvodi<<endl;

        if(c.tip==0)
        {
            out<<"standard 0"<<endl;
        }
        if(c.tip==1)
        {
            out<<"loyal "<<c.osnovenPopust<<endl;
        }
        if(c.tip==2)
        {
            out<<"vip "<<c.dopolnitelenPopust + c.osnovenPopust<<endl;
        }

        return out;
    }

        bool operator==(const Customer &c)
        {
            return strcmp(adresa,c.adresa);
        }

        int getKupeni()
        {
            return kupeniProizvodi;
        }

        int typeKupuvac()
        {
            return tip;
        }

        void setKupuvac(Kupuvac k2)
        {
            tip=(Kupuvac)k2;
        }
};

int Customer::osnovenPopust=10;

class FINKI_bookstore
{
private:
    Customer *kupuvaci;
    int brojKupuvaci;
public:
    FINKI_bookstore()
    {
        kupuvaci=new Customer[0];
        brojKupuvaci=0;
    }
    FINKI_bookstore(const FINKI_bookstore &fb)
    {
        kupuvaci=new Customer[fb.brojKupuvaci+1];
        for(int i=0;i<fb.brojKupuvaci;i++)
        {
            kupuvaci[i]=fb.kupuvaci[i];
        }
        brojKupuvaci=fb.brojKupuvaci;
    }
    FINKI_bookstore &operator=(const FINKI_bookstore &fb)
    {
        if(this!=&fb)
        {
        delete[]kupuvaci;
        kupuvaci=new Customer[fb.brojKupuvaci+1];
        for(int i=0;i<fb.brojKupuvaci;i++)
        {
            kupuvaci[i]=fb.kupuvaci[i];
        }
        brojKupuvaci=fb.brojKupuvaci;
        }
        return *this;
    }
    ~FINKI_bookstore()
    {
        delete[]kupuvaci;
    }

    FINKI_bookstore &operator+=(const Customer &c)
    {
        for(int i=0;i<brojKupuvaci;i++)
        {
            if((kupuvaci[i]==c)==0)
            {
                throw UserExistsException();
            }
        }

        Customer *temp=new Customer[brojKupuvaci+1];
        for(int i=0;i<brojKupuvaci;i++)
        {
            temp[i]=kupuvaci[i];
        }
        temp[brojKupuvaci++]=c;
        delete[]kupuvaci;
        kupuvaci=temp;
        return *this;
    }

    void setCustomers(Customer *niza , int n)
    {
        delete[]kupuvaci;
        kupuvaci=new Customer[n];
        for(int i=0;i<n;i++)
        {
            kupuvaci[i]=niza[i];
        }
        brojKupuvaci=n;
    }

    void update()
    {
        for(int i=0;i<brojKupuvaci;i++)
        {
            if(kupuvaci[i].typeKupuvac()==0 && kupuvaci[i].getKupeni()>5)
            {
                kupuvaci[i].setKupuvac(Kupuvac(1));
            }
            else if(kupuvaci[i].typeKupuvac()==1 && kupuvaci[i].getKupeni()>10)
            {
                kupuvaci[i].setKupuvac(Kupuvac(2));
            }
        }
    }


    friend ostream &operator<<(ostream &out, const FINKI_bookstore &fe)
    {
        for(int i=0;i<fe.brojKupuvaci;i++)
        {
            out<<fe.kupuvaci[i];
        }
        return out;
    }

};