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#include <cstdlib>
#include <iostream>
#include <fstream>
#include <iomanip>
#include <cstring>
using namespace std;
#define MAXNAME 100
#define FILENAME "flights.txt"
typedef struct date{
int day;
int month;
int year;
}d;
typedef struct booking{
char bookingId[10];
char name[20];
d date;
int seatBooked;
double cost;
}b;
typedef struct flightRecord{
int flightId;
char route[9];
int maxSeats;
int seatsAvail;
double costPP;
}f;
string GenerateCode(string , string);
void enterFlightDetails(fstream & file, f*, int);
void updateFlight(fstream & file, f*, int);
void flightReport(fstream & file, f*, int);
int main(int argc, char *argv[])
{
fstream file;
int size =1;
f*fArray = new f[size];
b*bArray = new b[size];
int menuChoice;
do{
cout<<"Enter a choice:"<<endl;
cout<<"1. Enter details"<<endl;
cout<<"2. Update flights"<<endl;
cout<<"3. Flight report"<<endl;
cout<<"4. Exit"<<endl;
cout<<"Enter a choice"<<endl;
cin>>menuChoice;
switch(menuChoice)
{
case 1: cin.ignore();
enterFlightDetails(file,fArray,size);
break;
case 2: cin.ignore();
updateFlight(file,fArray,size);
break;
case 3: cin.ignore();
flightReport(file,fArray,size);
break;
case 4: return EXIT_SUCCESS;
break;
default: cout<<"Invalid number, please enter achoice from 1-4"<<endl;
break;
}
}
while (menuChoice > 0 || menuChoice < 5);
system("PAUSE");
return EXIT_SUCCESS;
}
void enterFlightDetails(fstream & file, f*fArray,int size)
{
//allows the flight ID to be incremented by 1 each time a flight is entered
int lastRecord;
f record;
file.open(FILENAME,ios::in|ios::binary);
file.clear();
file.seekg (0,ios:: beg);
file.read( reinterpret_cast< char *>(&record ), sizeof(f));
while(!file.eof()){
lastRecord = record.flightId;
file.read( reinterpret_cast< char *> (&record),sizeof(f));
}
file.close();
char flightcodechar[8];
string departure;
string destination;
string fcode;
cout<<"Enter flight details:"<<endl;
file.open(FILENAME,ios::out|ios::app |ios::binary);
for(int i=0; i<size; i++)
{
cout<<"FlightID:"<<lastRecord+1<<endl;
record.flightId = lastRecord+1;
cout<<"Enter departure zone"<<endl;
getline(cin,departure);
cout<<"Enter destination zone"<<endl;
getline(cin, destination);
fcode = GenerateCode(departure, destination);
for(int j=0;j<9;j++)
flightcodechar[j]=fcode[j];
strcpy(record.route,flightcodechar);
cout<<"Enter the max number of seats available"<<endl;
cin>>record.maxSeats;
cin.ignore();
file.write(reinterpret_cast< char *>(&record), sizeof(f));
}
file.close();
flightReport(file,fArray,size);
}
string GenerateCode(string departure, string destination)
{
string flightcode = "";
int i;
for(i = departure.length() - 4; i < departure.length(); i++){
flightcode += departure[i];
}
flightcode += "-";
for(i = 0; i <= 2; i++){
flightcode += destination[i];
}
return flightcode;
}
void updateFlight(fstream & file, f*fArray,int size)
{
b record;
long len;
}
void flightReport(fstream & file, f*fArray,int size)
{
cout<<"Flight Report:"<<endl;
f record;
file.open(FILENAME,ios::in|ios::binary);
file.clear();
file.seekg (0,ios:: beg);
file.read( reinterpret_cast< char *>(&record ), sizeof(f));
while(!file.eof())
{
cout <<"Flight ID:\t\t"<<record.flightId<<endl;
cout <<"Route:\t\t"<<record.route<<endl;
cout<<"Max seats available:\t"<<record.maxSeats<<endl;
file.read( reinterpret_cast< char *> (&record),sizeof(f));
}
file.close();
}
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