book_library.cpp

Contains a project related to the managment of a Telephone Directory... Feel free to download and us

	file.close() ;
}

// THIS FUNCTION DISPLAY THE LIST OF BOOKS.

void BOOK :: table(void)
{
	clrscr() ;
	int row = 6 , found=0, flag=0 ;
	char ch ;
	gotoxy(33,2) ;
	cout <<"LIST OF BOOKS" ;
	gotoxy(32,3) ;
	cout <<"~~~~~~~~~~~~~~~" ;
	gotoxy(1,4) ;
	cout <<"CODE  BOOK NAME                        AUTHOR                    PRICE  COPIES" ;
	gotoxy(1,5) ;
	cout <<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" ;
	fstream file ;
	file.open("BOOK.DAT", ios::in) ;
	file.seekg(0,ios::beg) ;
	while (file.read((char *) this, sizeof(BOOK)))
	{
		flag = 0 ;
		delay(20) ;
		found = 1 ;
		gotoxy(2,row) ;
		cout <<bookcode ;
		gotoxy(7,row) ;
		cout	<<name ;
		gotoxy(40,row) ;
		cout	<<author ;
		gotoxy(66,row) ;
		cout	<<price ;
		gotoxy(73,row) ;
		cout <<copies ;
		textbackground(WHITE) ; textcolor(BLACK) ;
		gotoxy(40,row+1) ;
		cprintf("STATUS: ") ;
		textcolor(BLACK+BLINK) ;
		cprintf("%d COPIES AVAILABLE ",avail) ;
		textbackground(BLACK) ; textcolor(LIGHTGRAY) ;
		if ( row == 22 )
		{
			flag = 1 ;
			row = 6 ;
			gotoxy(1,25) ;
			cout <<"PRESS ANY KEY TO CONTINUE OR PRESS <ESC> TO EXIT " ;
			ch = getch() ;
			if (ch == 27)
				break ;
			clrscr() ;
			gotoxy(33,2) ;
			cout <<"LIST OF BOOKS" ;
			gotoxy(32,3) ;
			cout <<"~~~~~~~~~~~~~~~" ;
			gotoxy(1,4) ;
			cout <<"CODE  BOOK NAME                        AUTHOR                    PRICE  COPIES" ;
			gotoxy(1,5) ;
			cout <<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" ;
		}
		else
			row = row + 2 ;
	}
	if (!found)
	{
		gotoxy(5,10) ;
		cout <<"\7RECORDS NOT FOUND " ;
	}
	if (!flag)
	{
		gotoxy(1,25) ;
		cout <<"PRESS ANY KEY TO CONTINUE..." ;
		getche() ;
	}
	file.close () ;
}
//this function return 0 if given member code  not found
int MEMBER::m_found(int mcode)
{
	fstream file;
	file.open("MEMBER.DAT",ios::in);
	file.seekg(0,ios::beg);
	int found=0;
	while(file.read((char*)this,sizeof(MEMBER)))
	{
		if(memcode==mcode)
		{found=1;break;
		}
	}
	file.close();
	return   found;
}
//this function return 0 if member have not issued any 4book
int MEMBER::issued(int mcode)
{
	fstream file ;
	file.open("MEMBER.DAT",ios::in);
	file.seekg(0,ios::beg);
	int missue=0;
	while(file.read((char*)this,sizeof(MEMBER)))
	{
		if(memcode==mcode)
		{ missue=bookcode;break;
		}
	}
	file.close();
	return missue;
}
//this function calculate and return fine for given member code
int MEMBER::fine(int mcode)
{
	DATE D;
	int d1,m1,y1 ;
	struct date d;
	getdate(&d);
	d1=d.da_day;
	m1=d.da_mon;
	y1=d.da_year;
	fstream file;
	file.open("MEMBER.DAT",ios::in);
	file.seekg(0,ios::beg);
	int days,t_fine;
	while(file.read((char*)this,sizeof(MEMBER)))
	{
		if(memcode==mcode)
		{	days=D.diff(dd,mm,yy,d1,m1,y1);
			t_fine=days*2;
			break;
		}
	}
	file.close();
	return t_fine;
}
//this function return last code of member file
int MEMBER::ltcode(void)
{
	fstream file;
	file.open("MEMBER.DAT",ios::in);
	file.seekg(0,ios::beg);
	int mcode=0;
	while(file.read((char*)this,sizeof(MEMBER)))

		mcode=memcode;
	file.close();
	return mcode;
}
//this function return member name of given member code
char*MEMBER::m_name(int mcode)
{
	fstream file;
	file.open("MEMBER.DAT",ios::in);
	file.seekg(0,ios::beg);
	char mname[26];
	while(file.read((char*)this,sizeof(MEMBER)))
	{
		if(memcode==mcode)
		{
			strcpy(mname,name);
		}
	}
	file.close();
	return mname;
}

//this function return member phone of given member
char*MEMBER::m_phone(int mcode)
{       fstream file;
	file.open("MEMBER.DAT",ios::in);
	file.seekg(0,ios::beg);
	char mphone[10];
	while(file.read((char*)this,sizeof(MEMBER)))
	{
		if(memcode==mcode)
		{
			strcpy(mphone,phone);break;
		}
	}
	file.close();
	return mphone;
}
//this function return member address of given member
char*MEMBER::m_address(int mcode)
{
	fstream file;
	file.open("MEMBER.DAT",ios::in);
	file.seekg(0,ios::beg);
	char maddress[33];
	while(file.read((char*)this,sizeof(MEMBER)))
	{
		if(memcode==mcode)
		{
			strcpy(maddress,maddress);
		}
	}
	file.close();
	return maddress;
}
//this function return record no of given member  code
int MEMBER::recordno(int mcode)
{
	     fstream file;
	file.open("MEMBER.DAT",ios::in);
	file.seekg(0,ios::beg);
	int count=0;
	while(file.read((char*)this,sizeof(MEMBER)))
	{
		count++;
		if(memcode==mcode)
		break;
	}
	file.close();
	return count;
}

//this function delete record for given member code
void MEMBER::del_rec(int mcode)
{
	     fstream file;
	file.open("MEMBER.DAT",ios::in);
	fstream temp;
	temp.open("TEMP.DAT",ios::out) ;
	file.seekg(0,ios::beg);
	while(!file.eof())
	{
		file.read((char*)this,sizeof(MEMBER));
		if(file.eof())break;
		if(memcode!=mcode)
		temp.write((char*)this,sizeof(MEMBER));
	}
	file.close();
	temp.close();
	file.open("MEMBER.DAT",ios::out);
	temp.open("TEMP.DAT",ios::in);
	temp.seekg(0,ios::beg);
	while(!temp.eof())
	{
		temp.read((char*)this,sizeof(MEMBER));
		if(temp.eof())break;
		file.write((char*)this,sizeof(MEMBER));
	}
	file.close();
	temp.close();

}
//this function update record for given member code

void MEMBER::update_b(int mcode,int tcode,int d1,int m1,int y1)
{
	     fstream file;
	file.open("MEMBER.DAT",ios::in);
	fstream temp;
	temp.open("TEMP.DAT",ios::out);
		file.seekg(0,ios::beg);
	 while(!file.eof())
	 {
		file.read((char*)this,sizeof(MEMBER));
		if(file.eof())break;
		if(memcode==mcode)
		{
			bookcode=tcode;
			dd=d1;
			mm=m1;
			yy=y1;
			temp.write((char*)this,sizeof(MEMBER));
		}
		else
			temp.write((char*)this,sizeof(MEMBER));
	 }
	 file.close();
	 temp.close();
	 file.open("MEMBER.DAT",ios::out);
	 temp.open("TEMP.DAT",ios::in)    ;
	 temp.seekg(0,ios::beg);
	 while(!temp.eof())
	 {
		temp.read((char*)this,sizeof(MEMBER));
		if(temp.eof())break;
		file.write((char*)this,sizeof(MEMBER));
	 }
	 file.close();
	 temp.close();
}

//this function modify record for given member code
void MEMBER::mod(int mcode,char mname[26],char mphone[10],char maddress[33])
{
	int recno;
	recno=recordno(mcode);
	     fstream file;
	file.open("MEMBER.DAT",ios::out|ios::ate);
	strcpy(name,mname);
	strcpy(phone,mphone);
	strcpy(address,maddress);
	int location;
	location=(recno-1)*sizeof(MEMBER);
	file.seekp(location);
	file.write((char*)this,sizeof(MEMBER));
	file.close();
}
//this function add record in file for given member code
void MEMBER::add_mem(int mcode,int bcode,char mname[26],char maddress[33],char mphone[10],int d1,int m1,int y1)
{
     fstream file;
	file.open("MEMBER.DAT",ios::app);
	memcode=mcode;
	bookcode=bcode;
	strcpy(name,mname);
	strcpy(phone,mphone);
	strcpy(address,maddress);
	dd=d1;
	mm=m1;
	yy=y1;
	file.write((char*)this,sizeof(MEMBER));
	file.close();
     }

//this function display record for given member code
void MEMBER::display(int mcode)
{
	     fstream file;
	file.open("MEMBER.DAT",ios::in);
	file.seekg(0,ios::beg);
	while(file.read((char*)this,sizeof(MEMBER)))
	{
		if(memcode==mcode)
		{
			gotoxy(5,3);cout<<"MEMBER CODE#"<<mcode;
			gotoxy(5,4);cout<<"~~~~~~~~~~~~~";
			gotoxy(5,6);cout<<"NAME:"<<name;
			gotoxy(5,7);
			cout<<"PHONE: "<<phone;
			gotoxy(5,8);cout<<"ADDRESS:"<<address;
			break;
		}
	}
	file.close();
}


//list of members
void MEMBER::jot(void)
{
	clrscr();
	BOOK B;
	int row =6,found=0,flag=0;
	char ch;
	gotoxy(32,2);cout<<"LIST OF MEMBERS";
	gotoxy(31,3);cout<<"~~~~~~~~~~~~~~~~~";
	gotoxy(1,4);
	cout<<"MEMBER CODE 	 BOOK CODE 		      NAME             	  PHONE";
	gotoxy(1,5);
	cout<<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~";

	     fstream file;
	file.open("MEMBER.DAT",ios::in);
	file.seekg(0,ios::beg);
	while(file.read((char*)this,sizeof(MEMBER)))
	{
		flag=0;
		delay(20);
		found=1;
		gotoxy(3,row);cout<<memcode;
		gotoxy(20,row);cout<<bookcode;
		gotoxy(41,row);cout<<name;
		gotoxy(65,row);cout<<phone;
		textbackground(WHITE);textcolor(BLACK);
		gotoxy(7,row+1);
		if(bookcode==0)
			cprintf("BOOK NAME:(NOT ISSUED)");
		else
		{cprintf("BOOK NAME: %s",B.b_name(bookcode));
		gotoxy(42,row+1);
		cprintf("DATE OF RETURN:");
		textcolor(BLACK+BLINK);
		cprintf("%d\\%d\\%d",dd,mm,yy);
		}
		textbackground(BLACK);textcolor(LIGHTGRAY);
		if(row==2)
		{
			flag=1;
			row=6;
			gotoxy(1,25);cout<<"PRESS ANY KEY TO CONTUNUE";

			ch=getch();
			if(ch==27)break;
			clrscr();
			gotoxy(32,2);cout<<"LIST OF MEMBERS";
			gotoxy(31,3);cout<<"~~~~~~~~~~~~~~~";
			gotoxy(1,4);cout<<"MEMBER CODE  	BOOK CODE  		NAME		PHONE";
			gotoxy(1,5);cout<<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~";
		}
		else
		row=row+2;
		}
		if(!found)
		{
		gotoxy(5,10);
		cout<<"\7RECORDS NOT FOUND";
		}
		if(!flag)
		{
		gotoxy(1,25);
		cout<<"PRESS ANY KEY TO CONTINUE...";
		getche();
		}
		file.close();
		}

// THIS FUNCTION GIVES DATA TO ADD RECORD IN THE BOOK FILE.

void WORKING :: add_b(void)
{
	if (!reccount())  // MEMBER FUNCTION OF BOOK
	{
		add_book(0,"null","null",0.0,0,0) ;
		BOOK::delete_rec(0) ;
	}
	char ch ;
	int tcode, tcopies, tavail ;
	char tname[33], tauthor[26] ;
	float tprice=0.0 ;
	do
	{
		int found=0, valid=0 ;
		int tc ;
		float t2=0.0 ;
		char t[10], t1[10] ;
		clrscr() ;
		gotoxy(29,3) ;
		cout <<"ADDITION OF THE BOOKS" ;
		gotoxy(29,4) ;
		cout <<"~~~~~~~~~~~~~~~~~~~~~" ;
		gotoxy(72,1) ;
		cout <<"<0>=Exit" ;
		gotoxy(5,25) ;
		cout <<"ENTER CODE NO. OF THE BOOK" ;
		gotoxy(5,5) ;
		cout <<"CODE NO. " ;
		gets(t) ;
		tc = atoi(t) ;
		tcode = tc ;
		if (tcode == 0)
			return ;
		if (b_found(tcode))
		{
			found = 1 ;
			gotoxy(19,8) ;
			cout <<b_name(tcode) ;
			gotoxy(19,9) ;
			cout <<a_name(tcode) ;
			gotoxy(22,10) ;
			cout <<b_price(tcode) ;
		}
		gotoxy(5,8) ;
		cout <<"BOOK NAME   : " ;
		gotoxy(5,9) ;
		cout <<"AUHOR NAME : " ;
		gotoxy(5,10) ;
		cout <<"PRICE       : Rs." ;
		gotoxy(5,12) ;
		cout <<"COPIES      : " ;
		valid = 0 ;
		while (!valid && !found)
		{
			valid = 1 ;
			gotoxy(5,25) ; clreol() ;
			cout <<"ENTER THE NAME OF THE BOOK" ;
			gotoxy(19,8) ; clreol() ;
			gets(tname) ;
			strupr(tname) ;
			if (tname[0] == '0')
				return ;
			if (strlen(tname) < 1 || strlen(tname) > 32)
			{
				valid = 0 ;
				gotoxy(5,25) ; clreol() ;
				cout <<"\7ENTER CORRECTLY (RANGE: 1..32)" ;
				getch() ;
			}
		}
		valid = 0 ;
		while (!valid && !found)
		{
			valid = 1 ;
			gotoxy(5,25) ; clreol() ;
			cout <<"ENTER THE AUTHOR'S NAME THE BOOK" ;
			gotoxy(19,9) ; clreol() ;
			gets(tauthor) ;
			strupr(tauthor) ;
			if (tauthor[0] == '0')
				return ;
			if (strlen(tauthor) < 1 || strlen(tauthor) > 25)
			{
				valid = 0 ;
				gotoxy(5,25) ; clreol() ;
				cout <<"\7ENTER CORRECTLY (RANGE: 1..25)" ;
				getch() ;
			}
		}
		valid = 0 ;
		while (!valid && !found)
		{
			valid = 1 ;
			gotoxy(5,25) ; clreol() ;
			cout <<"ENTER THE PRICE OF THE BOOK" ;
			gotoxy(22,10) ; clreol() ;
			gets(t1) ;
			t2 = atof(t1) ;
			tprice = t2 ;
			if (t1[0] == '0')
				return ;
			if (tprice < 1 || tprice > 9999)
			{
				valid = 0 ;
				gotoxy(5,25) ; clreol() ;
				cout <<"\7ENTER CORRECTLY" ;
				getch() ;
			}
		}
		valid = 0 ;
		while (!valid)
		{
			valid = 1 ;
			gotoxy(5,25) ; clreol() ;
			cout <<"ENTER NO. OF COPIES OF BOOK TO BE ADDED" ;
			gotoxy(19,12) ; clreol() ;
			gets(t) ;
			tc = atoi(t) ;
			tcopies = tc ;
			if (t[0] == '0')
				return ;
			if (tcopies < 1 || tcopies > 50)
			{
				valid = 0 ;
				gotoxy(5,25) ; clreol() ;
				cout <<"\7ENTER CORRECTLY" ;
				getch() ;
			}
		}
		tavail = available(tcode) + tcopies ;
		tcopies = no_of_copies(tcode) + tcopies ;
		gotoxy(5,25) ; clreol() ;
		do
		{
			gotoxy(5,15) ; clreol() ;
			cout <<"DO YOU WANT TO SAVE (Y/N) : " ;
			ch = getche() ;
			ch = toupper(ch) ;
		} while (ch != 'Y' && ch != 'N') ;

		if (ch == 'Y')
		{
			if (found)
				update_copies(tcode,tcopies,tavail) ;
			else
				add_book(tcode,tname,tauthor,tprice,tcopies,tavail) ;
		}
		do
		{
			gotoxy(5,17) ; clreol() ;
			cout <<"DO YOU WANT TO ADD MORE (Y/N) : " ;
			ch = getche() ;
			ch = toupper(ch) ;
		} while (ch != 'Y' && ch != 'N') ;
	} while (ch == 'Y') ;
}

// THIS FUNCTION GIVES DATA TO ADD RECORD IN THE MEMBER FILE

void WORKING :: add_m(void)
{
	char ch ;
	int mcode, bcode ;
	char mname[26], mphone[10], maddress[33] ;
	int d1, m1, y1 ;
	mcode = ltcode() ;
	mcode++ ;
	do
	{
		int valid=0 ;
		clrscr() ;
		gotoxy(28,3) ;
		cout <<"ADDITION OF THE MEMBERS" ;
		gotoxy(28,4) ;
		cout <<"~~~~~~~~~~~~~~~~~~~~~~~" ;
		gotoxy(72,1) ;
		cout <<"<0>=Exit" ;
		gotoxy(5,7) ;
		cout <<"MEMBER CODE # " <<mcode ;
		gotoxy(5,8) ;
		cout <<"~~~~~~~~~~~~~~~~~" ;
		gotoxy(5,10) ;
		cout <<"NAME    : " ;
		gotoxy(5,12) ;
		cout <<"PHONE   : " ;
		gotoxy(5,14) ;
		cout <<"ADDRESS : " ;
		do
		{
			valid = 1 ;
			gotoxy(5,25) ; clreol() ;
			cout <<"ENTER THE NAME OF THE NEW MEMBER" ;
			gotoxy(15,10) ; clreol() ;
			gets(mname) ;
			strupr(mname) ;
			if (mname[0] == '0')
				return ;
			if (strlen(mname) < 1 || strlen(mname) > 25)
			{
				valid = 0 ;
				gotoxy(5,25) ; clreol() ;
				cout <<"\7ENTER CORRECTLY (RANGE: 1..25)" ;
				getch() ;
			}
		} while (!valid) ;
		do
		{
			valid = 1 ;
			gotoxy(5,25) ; clreol() ;
			cout <<"ENTER PHONE NO. OF  THE MEMBER OR PRESS <ENTER> FOR NONE" ;
			gotoxy(15,12) ; clreol() ;
			gets(mphone) ;
			if (mphone[0] == '0')
				return ;
			if ((strlen(mphone) < 7 && strlen(mphone) > 0) || (strlen(mphone) > 9))
			{
				valid = 0 ;
				gotoxy(5,25) ; clreol() ;
				cout <<"\7ENTER CORRECTLY" ;
				getch() ;
			}
		} while (!valid) ;
		if (strlen(mphone) == 0)
			strcpy(mphone,"-") ;
		do
		{
			valid = 1 ;
			gotoxy(5,25) ; clreol() ;
			cout <<"ENTER THE ADDRESS OF THE NEW MEMBER" ;
			gotoxy(15,14) ; clreol() ;
			gets(maddress) ;
			strupr(maddress) ;
			if (maddress[0] == '0')
				return ;
			if (strlen(maddress) < 1 || strlen(maddress) > 32)
			{
				valid = 0 ;
				gotoxy(5,25) ; clreol() ;
				cout <<"\7ENTER CORRECTLY (RANGE: 1..32)" ;
				getch() ;
			}
		} while (!valid) ;
		gotoxy(5,25) ; clreol() ;
		do
		{
			gotoxy(5,17) ; clreol() ;
			cout <<"DO YOU WANT TO SAVE (Y/N) : " ;
			ch = getche() ;
			ch = toupper(ch) ;
			if (ch == '0')
				return ;
		} while (ch != 'Y' && ch != 'N') ;
		if (ch == 'Y')
		{
			bcode = 0 ;
			d1 = 0 ;
			m1 = 0 ;
			y1 = 0 ;
			add_mem(mcode,bcode,mname,maddress,mphone,d1,m1,y1) ;
			mcode++ ;
		}
		do
		{
			gotoxy(5,19) ; clreol() ;
			cout <<"DO YOU WANT TO ADD MORE (Y/N) : " ;
			ch = getche() ;
			ch = toupper(ch) ;
			if (ch == '0')
				return ;
		} while (ch != 'Y' && ch != 'N') ;
	} while (ch == 'Y') ;
}

// THIS FUNCTION ISSUES THE BOOK