##Travel.h
#ifndef TRAVEL_H
#define TRAVEL_H

#include<iostream>
#include<string>
#include<stdlib.h>
using namespace std;
const int size=10;

class Travel
{
private:
	string name;//basic information
	double payment, amount_owe;
	int booking_select;//select current booking so that user can edit or delete
	int added;//added count for booking data;

protected:
	string book_type[size], provider[size], departure_D[size], departure_T[size], arrival_D[size], arrival_T[size],
		departure_L[size], dest[size], aircraft[size];
	double price[size];
	int seat[size], deck[size], room_no[size], floor[size], length[size], site[size];
	char first_class[size], breakfast[size], electric[size], water[size];

public:

	Travel(){added=0; payment=0;}//Constructor

	//Get and set all of the main data members of the booking sytem
	string get_provider(int a){return(provider[a]);}
	void set_provider(string a){provider[added]=a;}
	string get_departure_D(int a){return(departure_D[a]);}
	void set_departure_D(string a){departure_D[added]=a;}
	string get_departure_T(int a){return(departure_T[a]);}
	void set_departure_T(string a){departure_T[added]=a;}
	string get_arrival_D(int a){return(arrival_D[a]);}
	void set_arrival_D(string a){arrival_D[added]=a;}
	string get_arrival_T(int a){return(arrival_T[a]);}
	void set_arrival_T(string a){arrival_T[added]=a;}
	string get_departure_L(int a){return(departure_L[a]);}
	void set_departure_L(string a){departure_L[added]=a;}
	string get_dest(int a){return(dest[a]);}
	void set_dest(string a){dest[added]=a;}
	string get_aircraft(int a){return(aircraft[a]);}
	void set_aircraft(string a){aircraft[added]=a;}
	double get_price(int a){return(price[a]);}
	void set_price(double a){price[added]=a;}
	int get_seat(int a){return(seat[a]);}
	void set_seat(int a){seat[added]=a;}
	int get_deck(int a){return(deck[a]);}
	void set_deck(int a){deck[added]=a;}
	int get_room_no(int a){return(room_no[a]);}
	void set_room_no(int a){room_no[added]=a;}
	int get_floor(int a){return(floor[a]);}
	void set_foor(int a){floor[added]=a;}
	int get_length(int a){return(length[a]);}
	void set_length(int a){length[added]=a;}
	int get_site(int a){return(site[a]);}
	void set_site(int a){site[added]=a;}
	char get_first_class(int a){return(first_class[a]);}
	void set_first_class(char a){first_class[added]=a;}
	char get_breakfast(int a){return(breakfast[a]);}
	void set_breakfast(char a){breakfast[added]=a;}
	char get_electric(int a){return(electric[a]);}
	void set_electric(char a){electric[added]=a;}
	char get_water(int a){return(water[a]);}
	void set_water(char a){water[added]=a;}

	//Selection 4
	//Record Payment
	double total_cal();

	double get_amount_owe();

	void set_payment(double a){payment+=a;}

	//Selection 5.
	//Invoice
	void display_invoice();

	void data_added(){added++;}  // when data is added to the booking system. this counter increments.
	virtual void add(){}
	void setname(string a){name=a;}
	string getname(){return(name);}
	virtual void book()=0;//Polymorphism for the booking types. Airline, Cruises, Hotel and camp

	//Selection 6
	//Display and sets the booking the suer wants to change
	void display_booking()

	//Selection 7
	//Cancel Booking
	void cancel_booking();

	void display_cancel_booking(){cout<<departure_D[booking_select]<<" "<<provider[booking_select]<<endl;}

	void set_booking_select(int x){booking_select=x;}
	int get_booking_select(){return(booking_select);}
};
#endif TRAVEL_H

##Travel.cpp
#include "Travel.h"

//Selection 4.
//Record Payment
double Travel::total_cal()
{
	int i;
	double total=0;
	for(i=1; i<=added; i++)
		total+=price[i];
	return(total);
}

double Travel::get_amount_owe()
{
	int i; amount_owe=0;
	for(i=1;i<=added;i++)
	{
		amount_owe=amount_owe+price[i];
	}
	amount_owe=amount_owe-payment;
	return(amount_owe);
}

//Selection 5.
//Invoice
void Travel::display_invoice()
{
	cout<<"invoice for "<<name<<endl;
	cout<<"address"<<endl;
	cout<<"city"<<endl;
	cout<<"state"<<" "<<"zip code"<<endl;
	int i; for(i=1;i<=added;i++)
	{
		cout<<departure_D[i]<<" "<<provider[i]<<" "<<price[i]<<endl;
	}
	cout<<"Total :"<<total_cal()<<endl;
	cout<<"payments recived "<<"  "<<payment<<endl;
	cout<<"amount due: "<<amount_owe<<endl;
}

//Selection 6.
//Display and sets the booking the user wants to change
void Travel::display_booking()
{
	int i;
	for(i=1; i<=added; i++)
	{
		cout<<i<<". "<<departure_D[i]<<" "<<provider[i]<<endl;
	}
}

//selection 7.
//Cancel Booking
void Travel::cancel_booking()
{
	if(booking_select<added){
		provider[booking_select]=provider[added];
		departure_D[booking_select]=departure_D[added];
		departure_T[booking_select]=departure_T[added];
		arrival_D[booking_select]=arrival_D[added];
		arrival_T[booking_select]=arrival_T[added];
		dest[booking_select]=dest[added];
		aircraft[booking_select]=aircraft[added];
		price[booking_select]=price[added];
		seat[booking_select]=seat[added];
		deck[booking_select]=deck[added];
		room_no[booking_select]=room_no[added];
		site[booking_select]=site[added];
		first_class[booking_select]=first_class[added];
		breakfast[booking_select]=breakfast[added];
		electric[booking_select]=electric[added];
		added--;}
	else
		added--;
}
##project1.h
#ifndef proejct1
#define proejct1

#include "Travel.cpp"

class Customer : public Travel{

public:
	Customer(): Travel(){}//default constructor
	void book(){}
	void add()
	{
		string a;
		cout<<"Add a name"<<endl;
		cin>>a;
	setname(a);}};

class Airline: public Travel{
public:
	Airline():Travel(){}
	void book()
	{
		cout<<"Please enter the detail of the flight"<<endl;
		cout<<"Provider: "; cin>>provider[1];
		cout<<"Price: "; cin>>price[1];
		cout<<"Departure Date: "; cin>>departure_D[1];
		/*cout<<"Departure time: "; cin>>departure_T[1];
		 cout<<"Arrival Date: "; cin>>arrival_D[1];
		 cout<<"Arrival Time: "; cin>>arrival_T[1]; ;
		 cout<<"Departure Location: "; cin>>departure_L[1];
		 cout<<"First class (y/n?): "; cin>>dest[1];
		 cout<<"Flight number:"; cin>>first_class[1];
		 cout<<"Seat: "; cin>>seat[1];
		 cout<<"Aircraft type: "; cin>>aircraft[1];*/
	}
};
class Cruise: public Travel{
public:
	Cruise():Travel(){}//default constructor
	virtual void book()
	{
		cout<<"Please enter the detail of the Cruise"<<endl;
		cout<<"Provider: "; cin>>provider[1];
		cout<<"Price: "; cin>>price[1];
		cout<<"Departure Date: "; cin>>departure_D[1];
		/*cout<<"Departure time: "; cin>>departure_T[1];
		 cout<<"Arrival Date: "; cin>>arrival_D[1];
		 cout<<"Arrival Time: "; cin>>arrival_T[1]; ;
		 cout<<"Departure Location: "; cin>>departure_L[1];
		 cout<<"Destination:"; cin>>dest[1];
		 cout<<"First class (y/n?): "; cin>>first_class[1];
		 cout<<"Flight number:"; cin>>first_class[1];
		 cout<<"Deck: "; cin>>deck[1];
		 cout<<"Room #: "; cin>>room_no[1];*/
	}};

class Hotel: public Travel{
public:
	Hotel(): Travel(){}//default constructor
	void book()
	{
		cout<<"Please enter the detail of the flight"<<endl;
		cout<<"Provider: "; cin>>provider[1];
		cout<<"Price: "; cin>>price[1];
		cout<<"Arrival Date: "; cin>>arrival_D[1];
		cout<<"Length of stay: "; cin>>length[1];
		cout<<"Room#: "; cin>>room_no[1];
		cout<<"Floor:"; cin>>floor[1];
		cout<<"Is breakfast included (y/n)?: "; cin>>breakfast[1];
	}};

class Camp: public Travel{
public:
	Camp():Travel(){}//default constructor
	void book()
	{

		cout<<"Please enter the detail of the camp"<<endl;
		cout<<"Provider: "; cin>>provider[1];
		cout<<"Price: "; cin>>price[1];
		cout<<"Arrival Date: "; cin>>arrival_D[1];
		cout<<"Length of stay: "; cin>>length[1];
		cout<<"Site: "; cin>>site[1];
		cout<<"Is electricity provided(y/n)?"; cin>>electric[1];
		cout<<"Is water provided(y/n)?: "; cin>>water[1];
	}};

#endif project1
##main.cpp
#include "project1.h"
#include "Travel.h"

void transfer(Travel *p[], Travel *b, int current){
	p[current]->data_added();
	p[current]->set_provider(b->get_provider(1));
	p[current]->set_departure_D(b->get_departure_D(1));
	p[current]->set_departure_T(b->get_departure_T(1));
	p[current]->set_arrival_D(b->get_arrival_D(1));
	p[current]->set_arrival_T(b->get_arrival_T(1));
	p[current]->set_dest(b->get_dest(1));
	p[current]->set_aircraft(b->get_aircraft(1));
	p[current]->set_price(b->get_price(1));
	p[current]->set_seat(b->get_seat(1));
	p[current]->set_deck(b->get_deck(1));
	p[current]->set_room_no(b->get_room_no(1));
	p[current]->set_site(b->get_site(1));
	p[current]->set_first_class(b->get_first_class(1));
	p[current]->set_breakfast(b->get_breakfast(1));
	p[current]->set_electric(b->get_electric(1));
	p[current]->set_water(b->get_water(1));}

int main()
{
	Travel *p[size];// All of p dynamically create objects of Customers
	Travel *b; //Pointer b will only access the classes of bookings such as Airline and Crusies through polymorphism
	int i;
	int select=0;//selection for the menu.
	int current=0;//current customer. Null lets the program know program has not selected a costumer
	int added=0;// adding customers count. Null means Customer list is empty;
	do{// user friendly interface
		system("CLS");
		cout<<" 1. add a new customer"<<endl;
		cout<<" 2. Select a customer"<<endl;
		cout<<" 3. add a booking"<<endl;
		cout<<" 4. Record a payment"<<endl;
		cout<<" 5. Print an invoice"<<endl;
		cout<<" 6. Select a book"<<endl;
		cout<<" 7. Cancel booking"<<endl;
		cout<<" 8. quit"<<endl;
		cout<<"select..."<<endl;
		cin>>select;
		system("CLS");
		switch(select){
			case 1:{
				added++;
				p[added]=new Customer;
				p[added]->add();
			}break;
			case 2:{
				if(added!=0){
					for(i=1;i<=added;i++)
						cout<<i<<". "<<p[i]->getname()<<endl;
					cout<<"select a costomer."<<endl<<endl;
					cin>>current;
					cout<<" you have selected "<<p[current]->getname()<<endl;
					system("CLS");
				}
				else
					cout<<"There are no Costomers. Please go back to the main menu and add one"<<endl;
			}break;
			case 3:{
				if (current!=0)
				{
					cout<<"1. Airline"<<endl<<"2. Cruise"<<endl<<"3. Hotel"<<endl<<"4. Camp"<<endl<<"Select book type."<<endl;
					cin>>select;
					switch(select){
						case 1:{
							b=new Airline;
							b->book();
							transfer(p, b, current);
						}break;
						case 2: {
							b=new Cruise;
							b->book();
							transfer(p, b, current);
						}break;
						case 3: {
							b=new Hotel;
							b->book();
							transfer(p, b, current);
						}break;
						case 4:{
							b=new Camp;
							b->book();
							transfer(p, b, current);
						}break;
						default: cout<<"you have no selected anything. Going back to the menu."<<endl;
					}}
				else
					cout<<" Error! You have no selected a Customer. Go back to menu."<<endl;
			}break;
			case 4:{if(current!=0){
				double x;
				cout<<"Record of payment for "<< p[current]->getname()<<endl
				<<"Amount owing: "<<p[current]->get_amount_owe()<<endl<<endl
				<<"Enter payment amount: ";
				cin>>x;
				p[current]->set_payment(x);
			cout<<" Now owes : "<<p[current]->get_amount_owe()<<endl;}
			else
				cout<<" Error! Please go back to the menu and select a costumer"<<endl;
			}break;
			case 5:p[current]->display_invoice();break;
			case 6:{
				int x;
				p[current]->display_booking();
				cout<<"Select a booking #"<<endl;
				cin>>x;
				p[current]->set_booking_select(x);
			}break;
			case 7:{
				cout<<"Cancel booking for "<<p[current]->getname()<<endl;
				p[current]->display_cancel_booking();
				cout<<"Please confirm: [y/n]"<<endl;
				char y_n;
				cin>>y_n;
				if(y_n=='y')
					p[current]->cancel_booking();
			}break;
			default: select=8; break;
		}
	}while(select!=8);
	delete b;
	//delete [] p;

	return(0);
}

##Errors
1>------ Build started: Project: Project_1, Configuration: Debug Win32 ------
1>Compiling...
1>main.cpp
1>Travel.cpp
1>Generating Code...
1>Compiling manifest to resources...
1>Microsoft (R) Windows (R) Resource Compiler Version 6.0.5724.0
1>Copyright (C) Microsoft Corporation.  All rights reserved.
1>Linking...
1>Travel.obj : error LNK2005: "public: double __thiscall Travel::total_cal(void)" (?total_cal@Travel@@QAENXZ) already defined in main.obj
1>Travel.obj : error LNK2005: "public: double __thiscall Travel::get_amount_owe(void)" (?get_amount_owe@Travel@@QAENXZ) already defined in main.obj
1>Travel.obj : error LNK2005: "public: void __thiscall Travel::display_invoice(void)" (?display_invoice@Travel@@QAEXXZ) already defined in main.obj
1>Travel.obj : error LNK2005: "public: void __thiscall Travel::display_booking(void)" (?display_booking@Travel@@QAEXXZ) already defined in main.obj
1>Travel.obj : error LNK2005: "public: void __thiscall Travel::cancel_booking(void)" (?cancel_booking@Travel@@QAEXXZ) already defined in main.obj
1>C:\Documents and Settings\Ezro\My Documents\My Dropbox\Public\CSC330\Project_1\Debug\Project_1.exe : fatal error LNK1169: one or more multiply defined symbols found
1>Build log was saved at "file://c:\Documents and Settings\Ezro\My Documents\My Dropbox\Public\CSC330\Project_1\Project_1\Debug\BuildLog.htm"
1>Project_1 - 6 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========