code

#include<iostream>
#include<fstream>
#include<cctype>
#include<conio.h>
#include<iomanip>
#include<ctime>
#include<string>
#include<cstring>
using namespace std;

class employee
{
    long int adno;
    char name[50];
    int deposit;
   char mobile [10];
    int salary;
    int joiningdate,joiningmonth,joiningyear;
    int pf=0;
    long int total;
    int timeperiod ;
    char company[50];
    char address[70];
    int currentyear,currentmonth,currentdate;
     int totalyear,mon,pfd,totalpf;
       int pff;
        int f;
public:
employee()
{
    f=0;
}
    void create_account();//function to get data from user
    void create_pff();//function to get data from user
    void show_account() const;//function cannot modify the data members of the object
    void modify();//function to add new data
    void dep(int);//function to accept amount and add to balance amount
    void draw(int);//function to accept amount and subtract from balance
    void report() const;//function to show data in tabular format
    int retacno() const;//function to return account number
    int retdeposit() const;// function to return balance amount
    void providentfund(int) ;//function to calculate pf 
    void write_account();//function to write in binary  file 
      void display_sp(int);//function to show record of file
    void modify_account(int);//function to add new data
    void delete_account(int);//function to delete record of file 
    void display_all();//function to show all records of  file 
    void deposit_withdraw(int, int);//function to desposit/withdraw amount for given adhar account
    void tp(int,int);// function to calculate total pf of user till date 
    void add_account(); //function to write in binary  file  
    void reportpff() const;// function to show data in tabular format
    void display_pff(int n);//function to show record of file
    void show_pff( ) const ;//function to show data to user
};

void employee::create_account()// taking input with validation
{  
   
   
       cout<<"\nEnter The adhar No. :";
    cin>>adno;
     do 
    {
         cout<<"\n\nEnter The Name  : ";
    cin.ignore();
    cin.getline(name,50);
    f=0;
    for(int i=0;name[i]!=NULL;i++)
    {
        if(!isalpha(name[i]))
        {
            f=1;
            break;
        }
        else
        f=0;
    }
     }
    while(f==1);
   do
   {
      cout<<"\nEnter The mobile No. :";
    cin>>mobile;
    if(strlen(mobile)==10)
    {
        cout<<"verified"<<endl;
        f=1;
    }
    else
    {cout<<"not verified"<<endl;
    f=0;
    }
    }while(f==0);
    cout<<"\nEnter The salary No. :";
    cin>>salary;
    do{
        cout<<"\nEnter The joining date No. :";
    cin>>joiningdate ;
    if(joiningdate>0 && joiningdate<=31)
    {cout<<" verified";
    f=1;
    } 
    else
    {
        cout<<" not verified";
        f=0;
    }
    }while(f==0);
   do 
   {
       cout<<"\nEnter The joining mon No. :";
    cin>>joiningmonth ;
    if (joiningmonth>0  && joiningmonth <= 12)
    { cout <<" verified";
    f=1;
    }
    else 
    { cout<<" not verified";
    f=0;
    }
   }while(f==0);
    
   do{
       
    cout<<"\nEnter The joining year No. :";
    cin>>joiningyear ;
    if(joiningyear>1600  && joiningyear <= 2025)
       {  cout<<"verified";
       f=1;
       } else{ cout<< "not valid";
         f=0;}
   }while(f==0);
       
               
              
    
    
    do
    {
        cout<<"\nEnter The company No. :";
    cin.ignore();
    cin.getline(company,50);
     f=0;
    for(int i=0;company[i]!=NULL;i++)
    {
        if(!isalpha(company[i]))
        {
            f=1;
            break;
        }
        else
        f=0;
    }
     }
    while(f==1);
   do
   {
     cout<<"\nEnter The address :";
    cin.getline(address,70);
     f=0;
    for(int i=0;address[i]!=NULL;i++)
    {
        if(!isalpha(address[i]))
        {
            f=1;
            break;
        }
        else
        f=0;
    }
     }
    while(f==1);
     
    cout<<"\nEnter The Initial amount : ";
    cin>>deposit;
   
    providentfund(salary);
    tp(pf,joiningyear);
    cout<<"\n\n\nAccount Created..";
   
}


void employee::show_account( ) const// showing details and does not change object 
{
    static int pff=500;
    cout<<"\nAdhar No. : "<<adno;
    cout<<"\n Name : ";
    cout<<name;
    cout<<"\nmobile No. : "<<mobile;
    cout<<"\ncompany. : "<<company;
    cout<<"\njoining date : "<<joiningdate;
    cout<<"\nAddress. : "<<address;
    cout<<"\nsalary. : "<<salary;
    cout<<"\nBalance amount : "<<deposit;
    cout<<"\npf :"<<pf;
     pff++;
    cout<<"pff"<<pff;
   
    
}


void employee::modify()
{
    cout<<"\nAdhar No. : "<<adno;
    cout<<"\nModify  Name : ";
    cin.ignore();
    cin.getline(name,50);

    cout<<"\nModify Balance amount : ";
    cin>>deposit;
    cout<<"\nModify mobile : ";
    cin>>mobile;
    cout<<"\nModify joining date : ";
    cin>>joiningdate;
    cout<<"\nEnter The joining mon No. :";
    cin>>joiningmonth ;
    cout<<"\nEnter The joining year No. :";
    cin>>joiningyear ;
    cout<<"\nModify salary : ";
    cin>>salary;
    cout<<"\nModify company : ";
    cin.getline(company,60);
    cout<<"\nModify  address : ";
    cin.getline(address,70);

}




void employee::dep(int x)// modify the deposit amt 
{
    deposit+=x;
}

void employee::draw(int x)// modify the deposit amt 
{
    deposit-=x;
}
void employee::report() const// show detail in table format 
{
    cout<<adno<<setw(10)<<" "<<name<<setw(10)<<" "<<deposit<<endl;
}

void employee::reportpff() const// show detail in table format
{
    cout<<adno<<""<<setw(10)<<" "<<name<<setw(10)<<" "<<deposit<<endl;
}

int employee::retacno() const// return adhar no 
{
    return adno;
}

int employee::retdeposit() const// return deposit
{
    return deposit;
    
}
 
void employee::providentfund(int s) // calculate pf
 
{
    
    pf = (salary/100)*25;
   
    
    cout<<"\n\npf= "<<pf<<endl;
   
}

void employee::tp(int b ,int c) 
 
{
   
      cout<<"\nAdhar No. : "<<adno;
    cout<<"\n Name : ";
    cout<<name;
    cout<<"\njoining date : "<<joiningdate;
    cout<<"\nsalary. : "<<salary;
     cout<<"\npf :"<<pf;

    
                 time_t ttime = time(0);
                
                 tm *local_time = localtime(&ttime);
    
                 currentyear = 1900 + local_time->tm_year ;
                 currentmonth= 1 + local_time->tm_mon;
                 currentdate= local_time->tm_mday ;
                 

  
  
 
  
   joiningyear=c;
   totalyear=currentyear-joiningyear;
   
   
    mon=totalyear*12+currentmonth;
    cout<<"\n\n\ntotal month = "<<mon;
    
     pfd=b;
   totalpf=mon*pfd;
   cout<<"\n\n total providentfund = "<<totalpf;
 
cout<<"\n\ncurrentdate = "<<currentdate;
cout<<"\n\ncurrentyear = "<<currentyear;
cout<<"\n\ncurrentmonth = "<<currentmonth;
cout<<"\n\ntotalyear = "<<totalyear;


}

void employee::show_pff( )  const// show details 
{
    
    cout<<"\nAdhar No. : "<<adno;
    cout<<"\n Name : ";
    cout<<name;
    cout<<"\nmobile No. : "<<mobile;
    cout<<"\ncompany. : "<<company;
    cout<<"\njoining date : "<<joiningdate;
    cout<<"\nAddress. : "<<address;
    cout<<"\nsalary. : "<<salary;
    cout<<"\nBalance amount : "<<deposit;
    cout<<"\npf :"<<pf;
     cout<<"\n\n total providentfund = "<<totalpf;
 
cout<<"\n\ncurrentdate = "<<currentdate;
cout<<"\n\ncurrentyear = "<<currentyear;
cout<<"\n\ncurrentmonth = "<<currentmonth;
cout<<"\n\ntotalyear = "<<totalyear;


   

}

void employee::create_pff()// create pff
{ 
   static int pff=500;
    cout<<"\nEnter The adhar No. :";
    cin>>adno;
    do 
    {
         cout<<"\n\nEnter The Name  : ";
    cin.ignore();
    cin.getline(name,50);
    f=0;
    for(int i=0;name[i]!=NULL;i++)
    {
        if(!isalpha(name[i]))
        {
            f=1;
            break;
        }
        else
        f=0;
    }
     }
    while(f==1);
   cout<<"\nEnter The salary No. :";
    cin>>salary;
    cout<<"\nEnter The joining date No. :";
    cin>>joiningdate ;
    cout<<"\nEnter The joining year. :";
    cin>>joiningyear ;
    cout<<"pff no "<<pff;
    pff++;
    cout<<"\n\n\nAccount Created..";
    providentfund(salary);
    tp(pf,joiningyear);
    }




void  employee::write_account() // write in file 
{
  
    employee ad;
    ofstream outFile;
    outFile.open("employee.dat",ios::binary|ios::app);
    ad.create_account();
    outFile.write(reinterpret_cast<char *> (&ad), sizeof(employee));
    outFile.close();
    
    
}

void  employee::add_account()// write in pff file 
{
  
    employee ad;
     ofstream outFile;
    outFile.open("pff.dat",ios::binary|ios::app);
    ad.create_pff() ;
    outFile.write(reinterpret_cast<char *> (&ad), sizeof(employee));
    outFile.close();
}


 void employee:: display_pff(int n) // show pff data
{
    employee ad;
    bool flag=false;
    ifstream inFile;
    inFile.open("pff.dat",ios::binary);
    if(!inFile) {
        cout<<"File could not be open !! Press any Key...";
        return;
    }
    cout<<"\nBALANCE DETAILS\n";

    while(inFile.read(reinterpret_cast<char *> (&ad), sizeof(employee))) {
        if(ad.retacno()==n) {
            ad.show_pff( ) ;
            flag=true;
        }
    }
    inFile.close();
    if(flag==false)
        cout<<"\n\nAdhar number does not exist";
}

 
 


void employee:: display_sp(int n) // show specific account data
{
    employee ad;
    bool flag=false;
    ifstream inFile;
    inFile.open("employee.dat",ios::binary);
    if(!inFile) {
        cout<<"File could not be open !! Press any Key...";
        return;
    }
    cout<<"\nBALANCE DETAILS\n";

    while(inFile.read(reinterpret_cast<char *> (&ad), sizeof(employee))) {
        if(ad.retacno()==n) {
            ad.show_account( );
            flag=true;
        }
    }
    inFile.close();
    if(flag==false)
        cout<<"\n\nAdhar number does not exist";
}




void  employee::modify_account(int n)// modify data
{
    bool found=false;
    employee ad;
    fstream File;
    File.open("employee.dat",ios::binary|ios::in|ios::out);
    if(!File) {
        cout<<"File could not be open !! Press any Key...";
        return;
    }
    while(!File.eof() && found==false) {
        File.read(reinterpret_cast<char *> (&ad), sizeof(employee));
        if(ad.retacno()==n) {
            ad.show_account();
            cout<<"\n\nEnter The New Details of account"<<endl;
            ad.modify();
            int pos=(-1)*static_cast<int>(sizeof(employee));
            File.seekp(pos,ios::cur);
            File.write(reinterpret_cast<char *> (&ad), sizeof(employee));
            cout<<"\n\n\t Record Updated";
            found=true;
        }
    }
    File.close();
    if(found==false)
        cout<<"\n\n Record Not Found ";
}


void employee:: delete_account(int n) // delete data
{
    employee ad;
    ifstream inFile;
    ofstream outFile;
    inFile.open("employee.dat",ios::binary);
    if(!inFile) {
        cout<<"File could not be open !! Press any Key...";
        return;
    }
    outFile.open("Temp.dat",ios::binary);
    inFile.seekg(0,ios::beg);
    while(inFile.read(reinterpret_cast<char *> (&ad), sizeof(employee))) {
        if(ad.retacno()!=n) {
            outFile.write(reinterpret_cast<char *> (&ad), sizeof(employee));
        }
    }
    inFile.close();
    outFile.close();
    remove("employee.dat");
    rename("Temp.dat","employee.dat");
    cout<<"\n\n\tRecord Deleted ..";
}



void  employee::display_all() // dispay all data
{
    employee ad;
    ifstream inFile;
    inFile.open("employee.dat",ios::binary);
    if(!inFile) {
        cout<<"File could not be open !! Press any Key...";
        return;
    }
    cout<<"\n\n\t\tACCOUNT HOLDER LIST\n\n";
    cout<<"====================================================\n";
    cout<<"A/c no.      NAME                                                             deposite          \n";                     
    cout<<"====================================================\n";
    while(inFile.read(reinterpret_cast<char *> (&ad), sizeof(employee))) {
        ad.report();
    }
    inFile.close();
}


void employee:: deposit_withdraw(int n, int option) // deposite withdraw in file
{
	int amt;
	bool found=false;
	employee ad;
	fstream File;
	File.open("employee.dat", ios::binary|ios::in|ios::out);
	if(!File)
	{
		cout<<"File could not be open !! Press any Key...";
		return;
	}
	while(!File.eof() && found==false)
	{
		File.read(reinterpret_cast<char *> (&ad), sizeof(employee));
		if(ad.retacno()==n)
		{
			ad.show_account();
			if(option==1)
			{
				cout<<"\n\n\tTO DEPOSITE AMOUNT ";
				cout<<"\n\nEnter The amount to be deposited";
				cin>>amt;
				ad.dep(amt);
			}
			if(option==2)
			{
				cout<<"\n\n\tTO WITHDRAW AMOUNT ";
				cout<<"\n\nEnter The amount to be withdraw";
				cin>>amt;
				int bal=ad.retdeposit()-amt;
			
					
			
					ad.draw(amt);
			}
			int pos=(-1)*static_cast<int>(sizeof(ad));
			File.seekp(pos,ios::cur);
			File.write(reinterpret_cast<char *> (&ad), sizeof(employee));
			cout<<"\n\n\t Record Updated";
			found=true;
	       }
         }
	File.close();
	if(found==false)
		cout<<"\n\n Record Not Found ";
}





int main()
{
    employee e;
    char ch;
    int num, jo,cu ;
    char pd[8];
    char c,i;
    
   
        do {cout<<"\n\n\n"<<" Admin login"<<endl;
         cout<<"password";
         cin>>pd;
        if(strcmp(pd,"*****")==0)
         {cout<<" Admin verified";
             break;
         }
         else
        {cout<<"admin not verified "<<endl;
        
        cout<<" wish to login again "<<endl;
        cout<<"y/ n "<<endl;
        cin>>c;
        
        }
        }while(c=='y');
        
        
    do
    {
        
        
       
        cout<<"\n\n\n\tMAIN MENU";
        cout<<"\n\n\t01. NEW ACCOUNT";
        cout<<"\n\n\t02. DEPOSIT AMOUNT";
        cout<<"\n\n\t03. WITHDRAW AMOUNT";
        cout<<"\n\n\t04. BALANCE ENQUIRY";
        cout<<"\n\n\t05. ALL ACCOUNT HOLDER LIST";
        cout<<"\n\n\t06. CLOSE AN ACCOUNT";
        cout<<"\n\n\t07. MODIFY AN ACCOUNT";
        cout<<"\n\n\t08. WRITE IN PFF  ";
        cout<<"\n\n\t09.DISPLAY PFF ";
        cout<<"\n\n\tSelect Your Option (1-9) ";
        cin>>ch;
          
		
       
    
       
    
       
       
       
       
        switch(ch) {
        case '1':
            e.write_account();
            break;
        case '2':
            cout<<"\n\n\tEnter The adhar No. : ";
            cin>>num;
            e.deposit_withdraw(num, 1);
            
            break;
        case '3':
            cout<<"\n\n\tEnter The adhar No. : ";
            cin>>num;
            e.deposit_withdraw(num, 2);
            
            break;
        case '4':
            cout<<"\n\n\tEnter The adhar No. : ";
            cin>>num;
            e.display_sp(num);
             
            break;
        case '5':
            e.display_all();
             
            break;
        case '6':
            cout<<"\n\n\tEnter The adhar No. : ";
            cin>>num;
            e.delete_account(num);
             
            break;
        case '7':
            cout<<"\n\n\tEnter The adhar No. : ";
            cin>>num;
            e.modify_account(num);
             
            break;
         case '8': 
	       
            e.add_account();
	        break;
          case'9':
          
         cout<<"\n\n\tEnter The adhar No. : ";
            cin>>num;
            e.display_pff(num);
          break;
          
		 default :cout<<"\a";
		}
		cin.ignore();
		cin.get();
       
		 
	
	}while(ch!='9');
	
		
	return 0;
}