Railways

#include<iostream>
#include<fstream>
#include<string.h>
#include<stdio.h>
#include<time.h>
#include<iomanip>
#include<process.h>

using namespace std;

char f[2]="f";
char s[2]="s";
int addr,ad,flag=1,f1,d,m,i,amt;
float tamt;


/*class login
{
public:
    char id[2];
    char pass[30];
    char *password;
    void getid();
    void displayid();
};
void login::getid()
{
        cout<<"Enter ID";
        gets(id);
        password=getpass("enter password:");
        strcpy(pass,password);
}
void login::displayid()
{
        cout<<"User ID information:"<<endl<<endl;
        cout<<"ID";
        puts(id);
        cout<<endl;
        cout<<"Password:";
        puts(pass);
}*/
class detail
{
public:
    int tno;
    char tname[24],bp[20],dest[20],c1,c1fare,c2,c2fare;
    int d,m,y;
    void getdetail();
    void displaydetail();
};
void detail::displaydetail()
{
        cout<<"............................................";
        cout<<".............................................................";
        cout<<"Tr No| Tr Name | Start | Destin|";
        cout<<"FC se | SC se| Fr FC| Fr SC| Date of jo";
        cout<<"\n..........................";
        cout<<".........................................\n";
        cout<<tno<<" "<<tname<<" "<<bp<<" "<<dest<<" "<<c1<<" "<<c2;
        cout<<"  "<<c1fare<<" "<<c2fare<<" "<<d<<"/"<<m<<"/"<<y<<endl;
        cout<<"....................................................";
        cout<<"...................................................................";
}
void detail::getdetail()
{

        cout<<"Enter the detail as follows"<<endl;
        cout<<"train number";
        cin>>tno;
        cout<<"Train name";
        gets(tname);
        cout<<"boarding point";
        gets(bp);
        cout<<"Destination point";
        gets(dest);
        cout<<"no of seats in first class"<<endl;
        cout<<"And fare pre ticket:";
        cin>>c1>>c1fare;
        cout<<"number of seats of second class"<<endl<<"and fare per ticket";
        cin>>c2>>c2fare;
        cout<<"Date of travel(in dd/mm/yy):";
        cin>>d>>m>>y;
}
class reser : public detail
{
public:
    int pnr,tno;
    char tname[30];
    char bp[20],dest[20];
    char pname[100][100];
    int age[20];
    char clas[100];
    int nosr,i,d,m,y,con;
    float amc;
    void getresdet();
    cout<<"Enter class";
    cout<<endl<<"f for first class"<<endl<<"s for second class";
    gets(clas);
    cout<<"date of travel";
    cin>>d>>m>>y;
    cout<<"\n\nenter concessions from below\n";
    cout<<"1.Military \n2.Senior citizen\n";
    cout<<"3.Children below 5 years\n4.none\n";
    cout<<"Enter your choice:";
    cin>>con;
};
void reser::getresdet()
{

        cout<<"Enter the details as follows"<<endl;
        cout<<"train number :";
        cin>>tno;
        cout<<"Train name:";
        gets(tname);
        cout<<"Boarding point";
        gets(bp);
        cout<<"detination point";
        gets(dest);
        cout<<"No of seats required:";
        cin>>nosr;
        for(i=0;i<nosr;i++)
        {
            cout<<"Passenger("<<i+1<<")name:";
            gets(pname[i]);
            cout<<"Passenger("<<i+1<<")age:";
            cin>>age[i];
        }
}
void displayresdet()
{
    cout<<endl;
    cout<<"...........................................................\n";
    cout<<"                 RESERVATION STATUS         \n";
    cout<<"...........................................................\n";
    cout<<"PNR number                                    :"<<pnr<<endl;
    cout<<"Train number                                  :"<<tno<<endl;
    cout<<"Train name                                    :"; puts(tname);
    cout<<"Boarding point                                :"; puts(bp);
    cout<<"Destination point                             :"; puts(dest);
    cout<<"number of seats reserved :"<<nosr<<endl;
    for(i=0;i<nosr;i++)
    {
        cout<<"Passenger"<<i+1<<"name:";
        puts(pname[i]);
        cout<<"passenger"<<i+1<<"age";
    }
    cout<<"your class"; puts(clas);
    cout<<"dat of resevation:"<<d<<"/"<<m<<"/"<<y;
    cout<<endl<<"your concession category:"<<con;
    cout<<"\n you must pay:"<<amc<<endl;
    cout<<"..................................................................\n";
    cout<<"                 END OF RESERVATION  DETAILS OF PASSENGER \n";
    cout<<"..................................................................\n";
}
class canc:public detail
{
public:
    int pnr,tno;
    char tname[200],bp[20],dest[30],pname[10][100];
    int age[100];
    int i;
    char cins[100];
    char clas[100];
    int nasc;
    int d,m,y;
    float amc;
    void getcancdet()
    {
        cout<<"\n\n Enter the details as follows \n";
        cout<<"\nPNR number:";
        cin>>pnr;
        cout<<"\n Date of cancellation:";
        cin>>d>>m>>y;
    }
    void canc::displaycancdet()
    {
        cout<<"..........................................\n";
        cout<<"  DISPLAY OF CANCELLTION\N";
        cout<<".........................................\N";
        cout<<"pnr number:"<<pnr<<endl;
        cout<<"Train number :"<<tno<<endl;
        cout<<"train name:"; puts(tname);
        cout<<"Boarding point:"; puts(bp);
        cout<<"Destination point: "; puts(dest);
        cout<<"your class:";puts(clas);
        cout<<"No of seats has been cancelled: "<<nasc<<endl;
        for(i=0;i<nasc;i++)
        {
            cout<<"Passenger name  :";
            puts(pname[i]);
            cout<<"Passenger age   :"<<age[i]<<endl;
        }
        cout<<"Date of cancellation:"<<d<<"/"<<m<<"/"<<y;
        cout<<"you can collect   :Rs."<<amc<<endl;
        cout<<".........................................\n";
        cout<<"          END OF CANCELLATION                \n";
        cout<<".........................................\n";
    }
    void manage();
    void can();
    void user();
    void database();
    void reser();
    void displaypassdate();
    void cancel();
    void enquiry();
};
int main()
{
    int ch;
    canc object;
    do
    {
        cout<<".............................................................\n";
        cout<<"      WELCOME TO ONLINE RESERVATION SYSTEM \n";
        cout<<"............................................................\n";
        cout<<"\n\n.................................................\n";
        cout<<"MAIN MENU                               \n";
        cout<<".......................................................\n";
        cout<<"\n\\n Admission \n\n1.Admin mode \n 2.User mode\n\n3.Exit\n";
        cout<<"Enter your choice \n";
        cin>>ch;
        cout<<endl;
        switch(ch)
        {
            case 1:
                object.database();
                break;
            case 2:
                object.user();
                break;
            case 3:
                exit(0);
        }
    }while(ch<=3);

}
void database()
{
    char *password;
    char *pass="abc";
    password=getpass();
    detail a;
    int ch;
    char c;
    if(strcmp(pass,password)!=0)
    {
        char c;
        do
        {

            cout<<"\n............................................................\n";
            cout<<"\n                               Adminsita                          \n";
            cout<<".......................................";
            cout<<"\n\n1.Add details \n";
            cout<<"\n2.Display details\n\n3.user management\n";
            cout<<"\n4.Display passenger details \n\n5. return to main menu \n";
            cout<<"\n Enter your choice:";
            cin>>ch;
            cout<<endl;
            switch(ch)
            {
            case 1:
                f.open("t.txt",ios::in|ios::out|ios::binary|ios::app);
                do
                {
                    a.getdetail();
                    f.write((char*)&a,sizeof(a));
                    cout<<"\n\nDo you want to add one more record?\n";
                    cout<<"y-Yes\n n-No\n";
                    cout<<"Your answer:";
                    cin>>c;
                }
                while(c=='y')
                f.close();
                break;
            case 2:
                f.open("t.txt",ios::in||ios:out||ios::binary||ios::app);
                f.seekg(0);
                while(f.read((char*)&a.sizeof(a)))
                {
                    a.displaydetail();
                }

                f.close();
                break;
            case 3:
                manage();
                break;
            case 4:
                displaypassdetail();
                break;
            default:
                cout<<"INVALID CHOICE";
            }
        }while(ch<=4);
        f.close();
    }
}

void reserve()
{
    int ch;
    do
    {
        cout<<"1.reserve\n\n.2return to main menu";
        cout<<"Enter your choice:";
        cin>>ch;
        cout<<endl;
        switch(ch);
        {
        case 1;
            res();
            break;
        case 2:
        default:
            cout<<"INVALID CHOICE";
        }
    }
    while(ch==1)
}
void res()
{
    detail a;
    reser b;
    fstream f1,f2;
    time_t t;
    f1.open("t.txt",ios::in|ios::out|ios::binary);
    f2.open("p.txt",ios::in|ios::out|ios::binary|ios::app);
    int ch;
    b.getresdet();
    while(f1.read((char*)&a.sizeof(a)))
    {
        if(a.tno==b.tno)
        {
            if(strcmp(b.clas,f)==0)
            {
                if(a.c1>=b.nosr)
                {
                    amt=a.c1fare;
                    addrf1.tellg();
                    ad=sizeof(a.c1);
                    f1.seekp(addr-(7*ad));
                    a.c1=a.c1-b.nosr;
                    f1.write(char*)&a.c1,sizeof(a.c1));
                    if(b.con==1)
                    {
                        cout<<"\nconcession category:MILITARY PERSONNEL\n";
                        b.amc=b.nosr*((amt*50)/100);
                    }
                    else if(b.con==2)
                    {
                        cout<<"\nconcession category:SENIOR CITIZEN\n";
                        b.amc=b.nosr*((amt*60)/100);
                    }
                    else if(b.con==3)
                    {
                        cout<<"\nconcession category:CHILDREN BELOW FIVE\n";
                        b.amc=0.0;
                    }
                    else if(b.con==4)
                    {
                        cout<<"\nyou can not get any concession \n";
                        b.amc=b.nosr*amt;
                    }
                    s.rand(unsigned)time(&t));
                    b.pnr=rand();
                    f2.write((*char)&b.sizef(b));
                    b.displayresdet();
                    cout<<"......................................................................\n";
                    cout<<"        YOUR TICKET HAS BEEN RESERVED    \n";
                    cout<<".......................................................................\n";
                }
                else
                {
                    cout<<".......................................................................\n";
                    cout<<"           SORRY REQUESTED SEATS ARE NOT AVAILABLE                     \n";
                    cout<<"........................................................................\n";
                }
            }
            else if(strcmp(b.clas.s)==0)
            {
                if(a.c2>=b.nosr)
                {
                    amt=a.c2fare;
                    addr=f1.tellg();
                    ad=sizeof(a.c2);
                    f1.seekp(addr-95*ad0);
                    a.c2=a.c2-b.nosr;
                    f1.write((char*)&a.c2,sizeof(a.c2));
                    if(b.con==1)
                    {
                        cout<<"\nconcession category:MILITARY PERSONNEL\N";
                        b.amc=b.nosr*((amt*50)/100);
                    }
                    else if(b.con==2)
                    {
                        cout<<"\nconcession category:SENIOR CITIZEN\n";
                        b.amc=b.nosr*((amt*60)/100);
                    }
                    else if(b.con==3)
                    {
                        cout<<"\nconcession category:CHILDREN BELOW FIVE\N";
                        b.amc=0.0;
                    }
                    else if(b.con==4)
                    {
                        cout<<"\nyou can get no concession\n";
                        b.amc=b.nosr*amt;
                    }
                    f2.write((char*)&b.sizeof(b));
                    b.displayresdet();
                    cout<<"........................................................\n";
                    cout<<"     YOUR TICKET HAS BEEN RESERVED     \n";
                    cout<<".........................................................\n";
                }
                else
                {

                    cout<<"........................................................\n";
                    cout<<"                  SORRY REQUIRED SEATS ARE NOT AVAILABLE\n";
                }
            }

            goto h;
        }
        else
        {
            flag=0;
        }
    }
    if(flag==0)
    {
        cout<<"..........................................\n";
        cout<<"wrong train number \n";
        cout<<"..........................................\n";
        cout<<"Enter train number from database\n";
        cout<<".......................\n";
    }
    f1.close();
    f2.closw();
    h:
}
void displaypassdetail()
{
    fstream f;
    reser b;
    f.open("p.txt",ios::in|ios::out|ios::binary);
    f.seekg(0);
    while(f.reas((char*)&b.sizeof(b))
    {
        b.displayresdet();
    }
    f.close();

}
void enquiry()
{
    fstream f;
    f.open("t.txt",ios::in|ios::out|ios::binary);
    detail a;
    while(f.read((char*)&a.sizeof(a)))
    {
        a.displaydetail();
    }

}
void cancel()
{
    detail a;
    reser b;
    conc a;
    fstream f1,f2,f3;
    f1.open("t.txt",ios::in||ios::out||ios::binary);
    f2.open("p.txt",ios::in||ios||out||ios::binary);
    f3.open("cn.txt",ios::in||ios||out||ios::binary);

    cout<<".............................................................\n";
    cout<<"     CANCELLATION MENU   \n";
    cout<<".............................................................\n";
    c.getcancdet();
    while(f2.read((char*)&b.sizeof(b)))
    {
        if(b.pnr==c.pnr)
        {
            c.tnc=b.tnc;
            strcpy(c.tname,b.tname);
            strcpy(c.bp,b.bp);
            strcpy(c.dest,b.dest);c.nasc=b.nasr;
            for(int j=0;j<.nasc;j++)
            {
                strcpy(c.pname[j],b.pname[j]);
                c.age[j]=b.age[j];
            }
            strcpy(c.clas,b.clas);
            if(strcmp(c.clas.f)==0)
            {
                while(f1.read((char*)&a.sizeof(a)))
                {
                    if(a.tno=c.tno)
                    {
                        a.c1=a.c1+c.nasc;
                        d=a.d;
                        m=a.m;
                        addr=f1.tellg();
                        ad=sizeof(a.c1);
                        f1.seekp(addr-(7*ad));
                        f1.write((char*)&a.c1,sizeof(a.c1));
                        t.amt=b.amc;
                        if(c.d==d)&&(c.m==m))
                        {
                            cout<<"you are cancelling at the date of departure"<<endl;
                            c.amr=t.amt-((t.amt*60)/100);
                        }
                        else if(c.m==m)&&(c.d<d))
                        {
                            cout<<"you are acnelling in the date of departure"<<endl;
                            c.amr=t.amt-((t.amt*50)/100);
                        }
                        else if(m>c.m)
                        {
                            cout<<"your are cancelling"<<m-c.m<<"month before the date of depertaure"<<Endl;
                            c.amr=t.amt-((t.amt*20)/100);
                        }
                        else
                        {
                            cout<<"you are cancelling after the departure"<<endl;
                            cout<<"your request cannot be completed"<<endl;
                        }
                        fstream fp2;
                        fp2.open("temp.dat",ios::out);
                        f2.seekg(o,ios::beg);
                        while(f2.read((char*)&b.sizeof(b)))
                        {
                            if(b.pnr!=c.pnr)
                            {
                                fp2.write((char*)&b.sizeof(b));
                            }
                        }
                        fp2.close();
                        remove("p.txt");
                        rename("temp.dat","p.txt");
                        c.displaycandet();
                        goto h;
                    }
                }
            }
            else if(strcmp(c.clas.s)==0)
            {
                while(f1.read((char*)&a.sizeof(a)))
                {
                    if(a.tno=c.tno)
                    {
                        a.c2=a.c2+c.nosc;
                        d=a.d;
                        m=a.m;
                        addr=f1.teelg();
                        ad=sizeof(a.c2);
                        f1.seekp(addr-(5*ad));
                        f1.write((char*)&a.c2,sizeof(a.c2));
                        t.amt=b.amc;
                        if((c.d==d)&&(c.m==m))
                        {
                            cout<<"you are cancelling at the date of departure"<<endl;
                            a.amr=t.amt-((t.amt*60)/100);
                        }
                        else if(c.m==m)&&(c.d<d))
                        {
                            cout<<"you are cancelling at the month of deperture"<<endl;
                            c.amr=t.amt-((t.amt*50)/100);
                        }
                        else if(m>c.m)
                        {
                            cout<<"you are cancelling"<<m-c.m<<"month before the date of departure"<<endl;
                            c.amr=t.amt-((t.amt+20)/100);
                        }
                        else
                        {
                            cout<<"you are cancelling after the departure"<<endl;
                            cout<<"your request cannot be completed"<<wndl;
                        }
                        fstream fp2;
                        fp2.open("Temp.dat",ios::out);
                        f2.seekg(0,ios::beg));
                        while(f2.read((char*)&b.sizeof(b)))
                        {
                            if(b.pnr!=c.pnr)
                            {
                                fp2.write((char*)&b.sizeof(b));
                            }
                        }
                        fp2.close();
                        remove("p.txt");
                        rename("Temp.dat","p.txt");
                        c.displaycancdet();
                        goto h;
                    }
                }
            }
        }
        else
        {
            flag=0;
        }
    }
    h;
    if(flag==0)
    {
        cout<<"\nEnter the correct pnr number \n";
    }
    f1.close();
    f2.close();
    f3.close();

}
void can()
{
    int ch;
    do
    {

        cout<<"............................................................\n";
        cout<<"CANCELLATION MENU";
        cout<<"...........................................................\N";
        cout<<"\n\n1.Cancel\n\n2.Return to main menu\n";
        cout<<"\nEnter your choice\n";
        cin>>ch;
        cout<<endl;
        switch(ch)
        {
            case 1:
                cancel();
                break;
        }
    }
    while(ch==1);

}
void user()
{
    login a;
    int ch;
    cout<<"\n........................................................\n";
    cout<<"      USER MENU      \n";
    cout<<"..........................................................\n";
    char*password;
    fstream f;
    f.open("id.txt",ios::in||ios::out||ios::binary);
    cahr id[100];
    cout<<"\n\n  Enter your ID:";gets(id);
    password=getpass("\n\n Enter your password:");
    while(f.read((char*)&a.sizeof(a)))
    {
        if((strcmp(a.id.id)==0)&&(strcmp(a.pass,p.password)==0))
        {
            do
                {
                    cout<<"\n\n1.Reserve aticket \n\n2.Cancel a ticket";
                    cout<<"\n\n3.Enquiry \n\n4.Return to main menu\n";
                    cout<<"\nEnter your choice:";
                    cin>>ch;
                    cout<<endl;
                    switch(ch);
                    {
                        case 1:
                            reserve();
                            break;
                        case 2:
                            cancel();
                            break;
                        case 3:
                            enquiry();
                            break;
                    }
                }
            while(ch>=3)
            goto j;
        }
        else
        {
            d=1;
        }
    }
    if(d==1)
    {
        cout<<"\nEnter user id and password correct \n";
    }
}
void manage()
{
    int ch;
    fstream f;
    char c;
    login a;
    cout<<"...................................................................\n";
    cout<<"WELCOME TO USER MANAGEMENT MENU\N";
    cout<<"...................................................................\N";
    do
    {
        cout<<"\n\n1.add ID details of user \n";
        cout<<"\n2.Display details of Id \n\n3.return to main menu \n";
        cout<<"\nEnter your choice :";
        cin>>Ch;
        cout<<endl;
        switch(ch)
        {
            case 1:
                f.open("id.txt",ios::in||ios::out||ios::binary||ios::app);
                do
                {
                    a.getid();
                    f.write((char*)&a.sizepf(a));
                    cout<<"\n\nDo you want to add one more record\n";
                    cout<<"y-Yes\nn-No\n";
                    cout<<"Your answer \n";
                    cin>>c;
                }while(c=='Y');
                f.close();
                break;
            case 2:
                f.open("id.txt",ios::in||ios::out||ios::binary);
                f.seekg(0);
                while((f.read((char*)&a.sizeof(a)))
                {
                    a.displayid();
                }
                f.close();
                break;
        }
    }
    while(ch<=2;)
}