Cpp project : AddressBook

Cpp project : AddressBook

 

#include<fstream>

#include<iostream>

#include<conio.h>

#include<ctype.h>

#include<stdio.h>

#include<string.h>

#include<stdlib.h>

using namespace std;

void welcome();

void ba_bye();

void ba_bye()

{

    puts("Thank you for using address book :) ");

    getch();

}

void welcome()

{

    puts("**************** W E L C O M E  *********************** ");

    puts("******************** T O ****************************** " );

    puts("******** A D D R E S S  B O O K  P R O J E C T ******** ");

    puts("\n");

    puts(" \t*** PRESS ANY KEY TO CONTINUE***");

    getch();

    return;

}

class decVarFunc // declaring functions and variables name

{

public:

    //variable list

    int record;

    long pn1; // house phone number

    char pn2[10]; //office phone number

    char address1[50]; // house

    char address2[50]; // office

    char occupation[20];

    char name[20];

    char emailadd[25];

    char webadd[25];

    //function list

    void updateRec(); //modifying data

    void addNew(); //adding new record

    void deleteRec(); // delete records

    void menu();

    void search(); // searching records

    void view1(); // searched result

    void input(); // entering details

    void view(); //displaying all records

    char check(char *); // surity about update records

    int recNo(); // number of records

} obj;

void decVarFunc::addNew()

{

    ofstream fout;

    //out :: open a file for output

    //app :: open a file for output and write all data

    fout.open("eka",ios::out|ios::app);

    input();

    fout.write((char*)&obj,sizeof(obj));

    fout.close();

}

int decVarFunc::recNo()

{

    ifstream fin;

    fin.open("eka");

    //end :: Set the file pointer at the end of the file.

    fin.seekg(0,ios::end);

    int n;

    n=fin.tellg()/sizeof(obj);

    cout<<" \n NUMBER OF RECORDS = "<<n ;

    return n ;

}

void decVarFunc::search()

{

    ifstream fin;

    fin.open("eka");

    if(fin.fail())

    {

        cout<<" \n FILE NOT FOUND!!! ";

        getch();

        return;

    }

    printf("\n\nS E A R C H I N G\n\n");

    cout<<" \n ENTER PHONE NUMBER TO SEARCH : ";

    long pn;

    cin>>pn;

    int n;

    n=recNo();

    for(int i=0; i<n; i++)

    {

        fin.read((char*)&obj,sizeof(obj));

        if(pn==pn1)

        {

            view1();

            return;

        }

        else

        {

            cout<<"\n\nSORRY!! RECORD NOT FOUND\n\n";

        }

    }

    if(fin.eof())

    {

        cout<<" \n RECORD NOT FOUND\n ";

    }

}

void decVarFunc::input()

{

    char ch;

    printf("A D D I T I O N");

    cout<<" \n ENTER HOUSE PHONE NUMBER : ";

    cin>>pn1;

    cout<<" \n ENTER OFFICE PHONE NUMBER : ";

    cin>>pn2;

    // ch=cin.get();

    cin.get(ch);

    cout<<" \n ENTER NAME : ";

    gets(name);

    cout<<" \n ENTER THE OCCUPATION : ";

    gets(occupation);

    cout<<" \n ENTER HOUSE ADDRESS : ";

    gets(address1);

    cout<<" \n ENTER OFFICE ADDRESS : ";

    gets(address2);

    cout<<" \n ENTER EMAIL ADDRESS : ";

    gets(emailadd);

    cout<<" \n ENTER INTERNET ADDRESS : ";

    gets(webadd);

}

void decVarFunc::view1()

{

    cout<<"\n";

    cout<<" HOUSE PHONE NUMBER : "<<obj.pn1<<"\n";

    cout<<" OFFICE PHONE NUMBER2 : "<<obj.pn2<<"\n";

    cout<<" NAME : "<<obj.name<<"\n";

    cout<<" HOUSE ADDRESS : "<<obj.address1<<"\n";

    cout<<" OCCUPATION : "<<obj.occupation<<"\n";

    cout<<" OFFICE ADDRESS : "<<obj.address2<<"\n";

    cout<<" EMAIL ADDRESS : "<<obj.emailadd<<"\n";

    cout<<" INTERNET ADDRESS : "<<obj.webadd<<"\n";

    getch();

}

void decVarFunc::updateRec()

{

    printf("M O D I F I C A T I O N");

    long pn;

    int n,i;

    ifstream fin;

    ofstream fout;

    fin.open("eka");

    if(fin.fail())

    {

        cout<<"\n FILE NOT FOUND !";

        fout.close();

        exit(-1);

    }

    fout.open("new");

    n=recNo();

    if(n==0)

    {

        cout<<"\n FILE IS EMPTY ! ";

        getch();

        return;

    }

    while(fin.good())

    {

        fin.read((char*)&obj,sizeof(obj));

        fout.write((char*)&obj,sizeof(obj));

    }

    fin.close();

    fout.close();

    fout.open("eka",ios::trunc);

    fin.open("new");

    if(fin.fail())

    {

        cout<<"\n FILE NOT FOUND !";

        exit(-1);

    }

    char ch;

    cout<<"\n ENTER PHONE NUMBER :";

    cin>>pn;

    ch=cin.get();

    for(i=0; i<n; i++)

    {

        fin.read((char*)&obj,sizeof(obj));

        char d;

        if(pn==pn1)

        {

            //view1();

            d=check("HOUSE PHONE NUMBER ");

            if((d=='y') || (d=='Y'))

            {

                cout<<"\n ENTER NEW PHONE NUMBER :";

                cin>>pn1;

                ch=cin.get();

            }

            if(check("OFFICE PHONE NUMBER ")=='Y')

            {

                cout<<"\n ENTER NEW PHONE NUMBER :";

                cin>>pn2;

                ch=cin.get();

            }

            if(check("NAME")=='y')

            {

                cout<<"\n ENTER NEW NAME : ";

                gets(name);

            }

            if(check("HOME ADDRESS")=='y')

            {

                cout<<"\n ENTER NEW ADDRESS :";

                gets(address1);

            }

            if(check("OFFICE ADDRESS")=='y')

            {

                cout<<"\n ENTER NEW ADDRESS :";

                gets(address2);

            }

            if(check("EMAIL ADDRESS:")=='y')

            {

                cout<<"\n ENTER NEW MAIL ADDRESS :";

                gets(emailadd);

            }

            if(check("INTERNET ADDRESS")=='y')

            {

                cout<<"\n ENTER NEW INTERNET ADDRESS :";

                gets(webadd);

            }

        }

        fout.write((char*)&obj,sizeof(obj));

    }

    fout.close();

    fin.close();

}

char  decVarFunc::check(char *s)

{

    cout<<"\n MODIFY \t "<<s<<"\t"<<"Y/N";

    char ch;

    ch =getch();

    //cin.get(ch);

    if((ch=='y')||(ch=='Y'))

        return 'y';

    else

        return 'n';

}

void  decVarFunc::deleteRec()

{

    printf("D E L E T I O N \n");

    long pn;

    int n,i;

    ifstream fin;

    ofstream fout;

    fin.open("eka");

    if(fin.fail())

    {

        cout<<"\n FILE NOT FOUND ! ";

        getch();

        return;

    }

    fout.open("new");

    n=recNo();

    if(n==0)

    {

        cout<<"\n FILE IS EMPTY ! ";

        getch();

        return;

    }

    for(i=0; i<n; i++)

    {

        fin.read((char*)&obj,sizeof(obj));

        fout.write((char*)&obj,sizeof(obj));

    }

    fin.close();

    fout.close();

    fout.open("eka",ios::trunc);

    fin.open("new");

    if(fin.fail())

    {

        cout<<"\n FILE NOT FOUND ! ";

        getch();

        return;

    }

    cout<<"\n ENTER PHONE NUMBER :";

    cin>>pn;

    for(i=0; i<n; i++)

    {

        fin.read((char*)&obj,sizeof(obj));

        if(pn!=pn1){

            fout.write((char*)&obj,sizeof(obj));

            cout<<"\nDELETED!!!\n";}

    }

    fout.close();

    fin.close();

}

void decVarFunc::view()

{

    ifstream fin;

    int n,j;

    fin.open("eka");

    if(fin.fail()||fin.bad())

    {

        cout<<"\n FILE NOT FOUND ! ";

        getch();

        return;

    }

    int i=0;

    n=recNo();

    for(j=0; j<n; j++)

    {

        cout<<"\n RECORD "<<i+1<<"\n";

        fin.read((char*)&obj,sizeof(obj));

        cout<<"\n PHONE NUMBER1 :"<<obj.pn1<<"\n";

        cout<<"\n PHONE NUMBER2 :"<<obj.pn2<<"\n";

        cout<<"\n NAME :"<<obj.name<<"\n";

        cout<<"\n HOUSE ADDRESS :"<<obj.address1<<"\n";

        cout<<"\n OCCUPATION :"<<obj.occupation<<"\n";

        cout<<"\n OFFICE ADDRESS :"<<obj.address2<<"\n";

        cout<<"\n INTERNET ADDRESS :"<<obj.webadd<<"\n";

        cout<<"\n EMAIL ADDRESS : "<<obj.emailadd<<"\n";

        i+=1;

    }

    fin.close();

    getch();

}

void  decVarFunc::menu()

{

    char ch;

    printf(" \n\nMAIN MENU\n");

    printf(" \tA:ADD\n");

    printf(" \tD:DELETE\n");

    printf(" \tU:UPDATE\n");

    printf(" \tV:VIEW\n");

    printf(" \tS:SEARCH\n");

    printf(" \tE:EXIT\n");

    ch=getch();

    switch(ch)

    {

    case 'a':

    case 'A':

        addNew();

        break;

    case 'd' :

    case 'D' :

        deleteRec();

        break;

    case 'u':

    case 'U':

        updateRec();

        break;

    case 'v':

    case 'V':

        view();

        break;

    case 's':

    case 'S':

        search();

        break;

    case 'e':

    case 'E':

        ba_bye();

        system("cls");

        exit(0);

    }

}

int main()

{

    welcome();

    for(;;)

    {

        obj.menu();

    }

    return 0;

}