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;
}
}
}
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