Cpp Project :Welcome To Telephone Directory with Access Control

Cpp Project :Welcome To Telephone Directory with Access Control

 

#include<iostream>

#include<fstream>

#include<stdlib.h>

#include <cstdlib>

#include<iomanip>

#include<cstring>

using namespace std;

char file_name[15]={"userdata.dat"};

void greetings()

{

    cout<<"\n"<<endl;

    cout<<"\t**********************************************************"<<endl;

    cout<<"\t..::Welcome To Telephone Directory with Access Control::.."<<endl;

    cout<<"\t**********************************************************"<<endl;

    cout<<"\n\n";

}

/********************************************************************/

class user_data

{

protected:

    char cell_num[12];

    char tele_num[16];

    char user_name[30];

    char city[15];

    char area[15];

public:

    int id;

    user_data()

    {

    }

    ~user_data()

    {

    }

    void get_detail();

    void show_detail();

    void search();

    int getsizeofFile();

};

void user_data::get_detail()

{

    greetings();

    cout<<"\n\tInput national ID:";

    cin>>id;

    cout<<"\n\tInput cell number:";

    cin>>cell_num;

    cout<<"\n\tInput telephone number:";

    cin>>tele_num;

    cin.ignore();

    cout<<"\n\tInput user name:";

    gets(user_name);

    cout<<"\n\tInput city name:";

    gets(city);

    cout<<"\n\tInput area name:";

    gets(area);

    cout<<"\n\tUser Account Created!"<<"\n"<<endl;

}

void user_data::show_detail()

{

    cout<<"\n\tID:"<<id<<endl;

    cout<<"\tName:"<<user_name<<endl;

    cout<<"\tCell Number:"<<cell_num<<endl;

    cout<<"\tTelephone Number:"<<tele_num<<endl;

    cout<<"\tCity:"<<city<<endl;

    cout<<"\tArea:"<<area<<endl;

}

int user_data::getsizeofFile()

{

    int size;

    int total;

    user_data u1;

    ifstream file_in(file_name);

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

    total=file_in.tellg();

    file_in.close();

    size=total/sizeof(u1);

    return (size);

}

void user_data::search()

{

    user_data u;

    int id=0,choice;

    int counter=0;

    char name2[25];

    int size=getsizeofFile();

    ifstream file_in(file_name);

    if(file_in==NULL)

    {

        cout<<"\n\tNo Record Found!"<<endl;

    }

    file_in.close();

    while(1)

    {

    cout<<"\n"<<endl;

    cout<<"\tAvailable Search Criteria.";

    cout<<"\n\t1.Search With ID."<<endl;

    cout<<"\t2.Search With Name."<<endl;

    cout<<"\t3.Stop Search.";

    cout<<"\n\n\tSelect a Task:";

    cin>>choice;

    if(choice==1)

    {

        cout<<"\n\tInput the User's ID:";

        cin>>id;

        ifstream file_in(file_name);

        if(file_in==NULL)

        {

            cout<<"\n\tNo Record Found!"<<endl;

        }

        else

        {

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

            {

                file_in.read((char *)&u,sizeof (u));

                if(id==u.id)

                {

                    u.show_detail();

                    counter=1;

                }

                cout<<"\n";

            }

          file_in.close();

          if(counter==0)

          {

             cout<<"\n\tNo Record Found!"<<endl;

          }

        }

    }

    else if(choice==2)

    {

        cout<<"\n\tInput the User's Name:";

        cin>>name2;

        ifstream file_in(file_name);

        cout<<"\n\n\n";

        if(file_in==NULL)

        {

            cout<<"\n\tNo Record Found!"<<endl;

        }

        else

        {

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

            {

                file_in.read((char *)&u,sizeof (u));

                if(!strcmp(u.user_name,name2))

                {

                    u.show_detail();

                    counter=1;

                }

                cout<<"\n";

            }

          file_in.close();

          if(counter==0)

          {

             cout<<"\n\tNo Record Found!"<<endl;

          }

        }

    }

     else if(choice==3)

    {

        system("cls");

        cout<<"\n\tSearch Stopped!"<<"\n"<<endl;

        greetings();

        break;

    }

    else

        system("cls");

        cout<<"\n\n\tInvalid Input!\n\n"<<endl;

        greetings();

        break;

    }

}

/*****************************************************************************/

class admin_data : public user_data

{

    protected:

        string username;

        string password;

        string sample_username;

        string sample_password;

    public:

        admin_data();

        int admin_login();

        void add_fileinfo();

        int getsizeofFile();

        void edit_fileinfo();

        void view_fileinfo();

        int control_panel();

};

admin_data::admin_data()

{

    username="tdac_admin";

    password="bl4ckhawk5";

}

int admin_data::admin_login()

{

    cout<<"\tUsername:";

    cin>>sample_username;

    cout<<"\n"<<endl;

    cout<<"\tPassword:";

    cin>>sample_password;

    if(username==sample_username && password==sample_password)

        {

            return 1;

        }

    else

        cout<<"\n\tUsername/Password Incorrect!"<<"\n"<<endl;

}

int admin_data::control_panel()

{

    greetings();

    int ch;

    cout<<"\n\tAdmin Contrl Panel:";

    cout<<"\n\t1.Add a New User Account."<<endl;

    cout<<"\t2.Edit an Existing account."<<endl;

    cout<<"\t3.View All Available Account."<<endl;

    cout<<"\t4.Log Out"<<endl;

    cout<<"\n\tSelect a Task:";

    cin>>ch;

    system("cls");

    return ch;

}

int admin_data::getsizeofFile()

{

    int size;

    int total;

    user_data u1;

    ifstream file_in(file_name);

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

    total=file_in.tellg();

    file_in.close();

    size=total/sizeof(u1);

    return (size);

}

void admin_data::add_fileinfo()

{

    user_data u1;

    fstream file_in(file_name,ios::app|ios::out);

    u1.get_detail();

    file_in.write((char*)&u1,sizeof(u1));

    file_in.close();

}

void admin_data::view_fileinfo()

{

    user_data u4;

    int size=getsizeofFile();

    ifstream file_in(file_name);

    if(file_in==NULL)

    {

        cout<<"\n\tNo Record Found!"<<endl;

    }

    else

    {

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

        {

            file_in.read((char*)&u4,sizeof(u4));

            u4.show_detail();

            cout<<"\n";

        }

    }

    file_in.close();

}

void admin_data::edit_fileinfo()

{

    user_data u3;

    int size=getsizeofFile();

    ifstream file_in(file_name);

    if(file_in==NULL)

    {

        cout<<"\t\nNo Record Found!"<<endl;

    }

    file_in.close();

    fstream fil(file_name,ios::ate|ios::out|ios::in);

    fil.seekg(0);

    int id;

    int counter=0;

    cout<<"\n\tEnter The User's ID:";

    cin>>id;

    if(fil==NULL)

    {

        cout<<"\n\tNo Record Found!\n"<<endl;

    }

    else

    {

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

        {

            fil.read((char*)&u3, sizeof(u3));

            if(id==u3.id)

            {

                int size=fil.tellg();

                size=size-sizeof(u3);

                fil.seekp(size,ios::beg);

                user_data newobj=u3;

                newobj.get_detail();

                fil.write((char*)&newobj,sizeof(newobj));

                counter=1;

                break;

            }

            cout<<"\n";

        }

    }

    fil.close();

    if(counter==0)

    {

        cout<<"\n\tNo Record Found1\n"<<endl;

    }

    else

    {

        cout<<"\n\tDatabase Updated Successfully!\n"<<endl;

    }

}

/*****************************************************************************/

int main()

{

    admin_data ad;

    user_data us;

    char ch;

    greetings();

    while(1)

    {

        cout<<"\tMain Menu:"<<endl;

        cout<<"\n\t1. Administrator Login."<<endl;

        cout<<"\t2. General User."<<endl;

        cout<<"\t3. Close Program."<<"\n\n"<<endl;

        cout<<"\tSelect Your Task:";

        cin>>ch;

        system("cls");

        switch(ch)

        {

        case '1':greetings();

                 cout<<"\tYou Have Asked to Access as Adminstrator."<<"\n\n"<<endl;

                 cout<<"\tPlease Provide Your Login Details."<<"\n\n"<<endl;

                 if(ad.admin_login()==1)

                 {

                     system("cls");

                     cout<<"\n\n\tAdmin Login Successful!"<<endl;

                     int admin_login_status=0;

                     while(admin_login_status!=1)

                     {

                         switch(ad.control_panel())

                         {

                             case 1:ad.add_fileinfo();

                                break;

                             case 2:ad.edit_fileinfo();

                                break;

                             case 3:ad.view_fileinfo();

                                break;

                             case 4:admin_login_status=1;

                                    cout<<"\n\tLogged Out!\n"<<endl;;

                                    greetings();

                                break;

                            default:

                                break;

                         }

                     }

                 }

            break;

        case '2':greetings();

                 cout<<"\n\tYou Have Asked to Access as General User."<<"\n\n"<<endl;

                 cout<<"\t1.Search the Directory for Contacts."<<endl;

                 us.search();

            break;

        case'3':cout<<"\t****************Program Terminated******************"<<endl;

                exit(0);

        default:

            break;

        }

    }

}