C++ project on CD Cafe

//**********************************************************
// PROJECT CD CAFE
//**********************************************************

# include <iostream .h>
# include <fstream.h>
# include <process .h>
# include <string .h>
# include <stdlib .h>
# include <stdio .h>
# include <ctype .h>
# include <conio .h>
# include <dos .h>
void edit_cd(void) ;
void edit_member(void) ;
void edit_menu(void);
void entry_menu(void) ;
void list_menu(void) ;
void cd_records(void) ;
void introduction(void) ;
void introduction(void)
{
clrscr() ;
gotoxy(31,5) ;cout <<"Welcome to Project" ;
textcolor(RED+BLINK) ; textbackground(WHITE) ;
gotoxy(33,7) ;cprintf(" CD CAFE") ;
textcolor(LIGHTGRAY) ; textbackground(BLACK) ;
gotoxy(15,10) ;cout <<"This is the project where you can maintain records" ;
gotoxy(15,11) ;cout <<"of CDS and MEMBERS." ;
gotoxy(15,13) ;cout <<"One member can issue one cd at a time. If he/she" ;
gotoxy(15,14) ;cout <<"does  not return cd within 15 days he/she have  to" ;
gotoxy(15,15) ;cout <<"pay fine of Rs.20/- per day." ;
//textcolor(LIGHTGRAY+BLINK) ;
gotoxy(27,24) ;cprintf("Press any key to continue") ;
       // textcolor(RED) ;
getch() ;
}
//**********************************************************
// THIS CLASS CONTROL ALL THE FUNCTIONS IN THE MENU
//**********************************************************

class MENU
{
public :
void main_menu(void) ;


} ;
class CD
{
public :
void list(void) ;
char *cdname(int) ;
protected :void add_new_cd(int, char tname[33], char tcatagory[6], float, int, int);
void update_copies(int, int, int) ;
void modify(int, char[], char[], float) ;
void deletion(void) ;
int  cd_found(int) ;
int  cdname_found(char []) ;
int  recordno(int) ;
int  available(int) ;
char *cat_class(int) ;
float cdprice(int) ;
int  no_of_copies(int) ;
int  cdcodeof(char[]) ;
void display(int) ;
int  reccount(void) ;
void delete_rec(int) ;
private :
int   cdcode, copies ;
char  name[33], catagory[6] ;
float price ;
int   avail ;
} ;
class MEMBER
{
public :
void list(void) ;
protected :
void add_mem(int, int, char [], char [], char[], int, int, int) ;
void modify(int, char[], char[], char[]) ;
void deletion(void) ;
int  member_found(int) ;
void update_cd(int, int, int, int, int) ;

char *membername(int) ;
char *memberphone(int) ;
char *memberaddress(int) ;
int  recordno(int) ;
int  lastcode(void) ;
int  issued(int) ;
int  fine(int) ;
void display(int) ;
void delete_rec(int) ;
private :
int  memcode, cdcode ;
char name[26], phone[10], address[33] ;
int  dd, mm, yy ;// DATE OF RETURNING THE CD //
} ;
class WORKING : public CD, public MEMBER
{

public :
void issuecd(void) ;
void returncd(void) ;
void add_cd(void) ;
void add_member(void) ;
void modify_cd(void) ;
void modify_member(void) ;
void delete_cd(void) ;
void delete_member(void) ;
} ;
class DATE
{
public :
void extend_date(int,int,int,int) ;
int  diff(int, int, int, int, int, int) ;
int  day, mon, year ;
} ;
void DATE :: extend_date(int d1, int m1, int y1, int days)
{
static int month[] = {31,29,31,30,31,30,31,31,30,31,30,31} ;
for (int i=1; i<=days; i++)
{
d1++ ;
   if ((d1 > month[m1-1]) || (y1%4 != 0 && m1 == 2 && d1 > 28))
{
d1 = 1 ;
m1++ ;
}
if (m1 > 12)
{
m1 = 1 ;
y1++ ;
}
}
day  = d1 ;
mon  = m1 ;
year = y1 ;
}
int DATE :: diff(int d1, int m1, int y1, int d2, int m2, int y2)
{
int days = 0 ;
if ((y2<y1 ) || (y2==y1 && m2<m1) || (y2==y1 && m2==m1 && d2<d1))
return days ;
static int month[] = {31,29,31,30,31,30,31,31,30,31,30,31} ;
while (d1 != d2 || m1 != m2 || y1 != y2)
{
days++ ;
d1++ ;
if ((d1 > month[m1-1]) || (y1%4 != 0 && m1 == 2 && d1 > 28))
{
d1 = 1 ;
m1++ ;
}
if (m1 > 12)
{
m1 = 1 ;
y1++ ;
}
}
return days ;
}
void MENU:: main_menu(void)
{
char ch ;
while (1)
{
clrscr() ;
gotoxy(29,6) ;cout <<"C D    C A F E " ;
gotoxy(29,7) ;cout <<"~~~~~~~~~~~~~~~~~~~~~~" ;
gotoxy(30,10) ;cout <<"1. ADD NEW ENTRY" ;
gotoxy(30,12) ;cout <<"2. LIST      " ;
gotoxy(30,14) ;cout <<"3. EDIT      " ;
gotoxy(30,16) ;cout <<"4. CD RECORDS" ;
gotoxy(30,18) ;cout <<"5. HELP      " ;
gotoxy(30,20) ;cout <<"0. QUIT      " ;
gotoxy(30,22) ;cout <<"Enter your choice : " ;
ch = getche() ;
if (ch == 27)
break ;
else
if (ch == '1')
entry_menu();
else
if (ch == '2')
    {
list_menu();
     }
else
if (ch == '3')
   {
edit_menu();
    }
else
if (ch == '4')
   {

cd_records() ;
   }
else
if (ch == '5')
   {
introduction() ;
   }
else
if (ch == '0')
     {
clrscr();
cout<<"\n \n \n \n \n \n \n \t \t \t \t" ;
cout<<"Thanks for"<<"\n \t\t\t\t  working"<<"\n \t\t\t\t  with US!";
cout<<"\n \n \t \t \t*****HAVE A VERY NICE DAY*****";
break ;
     }
}
}
void edit_menu(void)
{



char ch ;
while (1)
{
clrscr() ;
gotoxy(32,9) ;cout <<"E D I T  M E N U";
gotoxy(32,10) ;cout <<"~~~~~~~~~~~~~~~~" ;
gotoxy(34,13) ;cout <<"1. CDS" ;
gotoxy(34,14) ;cout <<"2. MEMBERS" ;
gotoxy(34,15) ;cout <<"0. EXIT" ;
gotoxy(31,17) ;cout <<"Enter your choice : " ;
ch = getche() ;
if (ch == 27)
break ;
else
if (ch =='1')
edit_cd() ;
else
if (ch == '2')

edit_member() ;
else
if (ch == '0')
break ;
}


}
void entry_menu(void)
{
char ch ;
while (1)
{
clrscr() ;
gotoxy(32,9) ;cout <<"E N T R Y   M E N U";
gotoxy(32,10) ;cout <<"~~~~~~~~~~~~~~~~" ;
gotoxy(34,13) ;cout <<"1. MEMBERS"  ;
gotoxy(34,14) ;cout <<"2. CDS";
gotoxy(34,15) ;cout <<"0. EXIT" ;
gotoxy(31,17) ;cout <<"Enter your choice : " ;
ch = getche() ;
if (ch == 27)
break ;
else
if (ch =='1')
     {
WORKING W;
W.add_member();
     }
if (ch == '2')
   {
   WORKING W;
   W.add_cd() ;
  }
if (ch == '0')
break ;
}
}
void list_menu(void)
{
char ch ;
while (1)
{
clrscr() ;
gotoxy(32,9) ;cout <<" L I S T   M E N U";
gotoxy(32,10) ;cout <<"~~~~~~~~~~~~~~~~" ;
gotoxy(34,13) ;cout <<"1. CDS" ;
gotoxy(34,14) ;cout <<"2. MEMBERS" ;
gotoxy(34,15) ;cout <<"0. EXIT" ;
gotoxy(31,17) ;cout <<"Enter your choice : " ;
ch = getche() ;
if (ch == 27)
break ;
else
if (ch =='1')
{ CD C;
      C.list() ;
}
else
if (ch == '2')
   {
MEMBER M;
M.list() ;
   }
if (ch == '0')
break ;
}
}
void cd_records(void)
{
char ch ;
while (1)
{
clrscr() ;
gotoxy(32,9) ;cout <<"CD R E C O R D S  M E N U";
gotoxy(32,10) ;cout <<"~~~~~~~~~~~~~~~~" ;
gotoxy(34,13) ;cout <<"1. ISSUE CDS" ;
gotoxy(34,14) ;cout <<"2. RETURNS CDS" ;
gotoxy(34,15) ;cout <<"0. EXIT" ;
gotoxy(31,17) ;cout <<"Enter your choice : " ;
ch = getche() ;
if (ch == 27)
break ;
else
if (ch =='1')
   {
WORKING W;
W.issuecd() ;
   }
if (ch == '2')
    {
WORKING W;
W.returncd() ;
    }
if (ch == '0')
break ;
}
}
void edit_cd(void)
{
char ch ;
while (1)
{
clrscr() ;
gotoxy(31,9) ;cout <<"E D I T  C D S";
gotoxy(31,10) ;cout <<"~~~~~~~~~~~~~~~~~~" ;
gotoxy(34,13) ;cout <<"1. MODIFY" ;
gotoxy(34,14) ;cout <<"2. DELETE" ;
gotoxy(34,15) ;cout <<"0. EXIT" ;
gotoxy(31,17) ;cout <<"Enter your choice : " ;
ch = getche() ;
if (ch == 27)
break ;
else
if (ch == '1')
{
WORKING W ;
W.modify_cd() ;
}
else
if (ch == '2')
{
WORKING W ;
W.delete_cd() ;
}
else
if (ch == '0')
break ;
}
}
void edit_member(void)
{
char ch ;
while (1)
{
clrscr() ;
gotoxy(29,9) ;cout <<"E D I T  M E M B E R S";
gotoxy(29,10) ;cout <<"~~~~~~~~~~~~~~~~~~~~~~" ;
gotoxy(34,13) ;cout <<"1. MODIFY" ;
gotoxy(34,14) ;cout <<"2. DELETE" ;
gotoxy(34,15) ;cout <<"0. EXIT" ;
gotoxy(29,17) ;cout <<"Enter your choice : " ;
ch = getche() ;
if (ch == 27)
break ;
else
if (ch == '1')
{
WORKING W ;
W.modify_member() ;
}
else
if (ch == '2')
{
WORKING W ;
W.delete_member() ;
}
else
if (ch == '0')
break ;
}
}
int CD :: cd_found(int tcode)
{
fstream file ;
file.open("CD.DAT", ios::in) ;
file.seekg(0,ios::beg) ;
int found=0 ;
while (file.read((char *) this, sizeof(CD)))
{
if (cdcode == tcode)
{
found = 1 ;
break ;
}
}
file.close() ;
return found ;
}
int CD :: cdname_found(char t1code[33])
{
fstream file ;
file.open("CD.DAT", ios::in) ;
file.seekg(0,ios::beg) ;
int found=0 ;
while (file.read((char *) this, sizeof(CD)))
{
if (!strcmpi(name,t1code))
{
found = 1 ;
break ;
}
}
file.close() ;
return found ;
}
int CD :: recordno(int tcode)
{
fstream file ;
file.open("CD.DAT", ios::in) ;
file.seekg(0,ios::beg) ;
int count=0 ;
while (file.read((char *) this, sizeof(CD)))
{
count++ ;
if (cdcode == tcode)
break ;
}
file.close() ;
return count ;
}
int CD :: available(int tcode)
{
fstream file ;
file.open("CD.DAT", ios::in) ;
file.seekg(0,ios::beg) ;
int tavail=0 ;
while (file.read((char *) this, sizeof(CD)))
{
if (cdcode == tcode)
{
tavail = avail ;
break ;
}
}
file.close() ;
return tavail ;
}
int CD :: no_of_copies(int tcode)
{
fstream file ;
file.open("CD.DAT", ios::in) ;
file.seekg(0,ios::beg) ;
int tcopies=0 ;
while (file.read((char *) this, sizeof(CD)))
{
if (cdcode == tcode)
{
tcopies = copies ;
break ;
}
}
file.close() ;
return tcopies ;
}
char *CD :: cdname(int tcode)
{
fstream file ;
file.open("CD.DAT", ios::in) ;
file.seekg(0,ios::beg) ;
char tname[33] ;
while (file.read((char *) this, sizeof(CD)))
{
if (cdcode == tcode)
{
strcpy(tname,name) ;
break ;
}
}
file.close() ;
return tname ;
}
char *CD :: cat_class(int tcode)
{
fstream file ;
file.open("CD.DAT", ios::in) ;
file.seekg(0,ios::beg) ;
char tcatagory[6] ;
while (file.read((char *) this, sizeof(CD)))
{
if (cdcode == tcode)
{
strcpy(tcatagory,catagory) ;
break ;
}
}
file.close() ;
return tcatagory ;
}
float CD :: cdprice(int tcode)
{
fstream file ;
file.open("CD.DAT", ios::in) ;
file.seekg(0,ios::beg) ;
float tprice=0.0 ;
while (file.read((char *) this, sizeof(CD)))
{
if (cdcode == tcode)
{
tprice = price ;
break ;
}
}
file.close() ;
return tprice ;
}

int CD :: cdcodeof(char t1code[33])
{
fstream file ;
file.open("CD.DAT", ios::in) ;
file.seekg(0,ios::beg) ;
int tcode=0 ;
while (file.read((char *) this, sizeof(CD)))
{
if (!strcmpi(name,t1code))
{
tcode = cdcode ;
break ;
}
}
file.close() ;
return tcode ;
}
int CD :: reccount(void)
{
fstream file ;
file.open("CD.DAT", ios::in) ;
file.seekg(0,ios::beg) ;
int count=0 ;
while (file.read((char *) this, sizeof(CD)))
count++ ;
file.close() ;
return count ;
}
void CD :: delete_rec(int tcode)
{
fstream file ;
file.open("CD.DAT", ios::in) ;
fstream temp ;
temp.open("temp.dat", ios::out) ;
file.seekg(0,ios::beg) ;
while ( !file.eof() )
{
file.read((char *) this, sizeof(CD)) ;
if ( file.eof() )
break ;
if ( cdcode != tcode )
temp.write((char *) this, sizeof(CD)) ;
}
file.close() ;
temp.close() ;
file.open("CD.DAT", ios::out) ;
temp.open("temp.dat", ios::in) ;
temp.seekg(0,ios::beg) ;
while ( !temp.eof() )
{
temp.read((char *) this, sizeof(CD)) ;
if ( temp.eof() )
break ;
file.write((char *) this, sizeof(CD)) ;
}
file.close() ;
temp.close() ;
}
void CD :: add_new_cd(int tcode,char tname[33], char tcatagory[6],
 float tprice, int tcopies, int tavail)
{
fstream file ;
file.open("CD.DAT", ios::app) ;
cdcode = tcode ;
strcpy(name,tname) ;
strcpy(catagory,tcatagory) ;
price = tprice ;
copies = tcopies ;
avail = tavail ;
file.write((char *) this, sizeof(CD)) ;
file.close() ;
}
void CD :: update_copies(int tcode, int tcopies, int tavail)
{
int recno ;
recno = recordno(tcode) ;
fstream file ;
file.open("CD.DAT", ios::out | ios::ate) ;
copies = tcopies ;
avail = tavail ;
int location ;
location = (recno-1) * sizeof(CD) ;
file.seekp(location) ;
file.write((char *) this, sizeof(CD)) ;
file.close() ;
}
//*************************************************************************
// THIS FUNCTION MODIFY THE RECORD IN THE CD FILE FOR THE GIVEN CD CODE
//**************************************************************************
void CD :: modify(int tcode, char tname[33],
 char tcatagory[6], float tprice)
{
int recno ;
recno = recordno(tcode) ;
fstream file ;
file.open("CD.DAT", ios::out | ios::ate) ;
strcpy(name,tname) ;
strcpy(catagory,tcatagory) ;
price = tprice ;
int location ;
location = (recno-1) * sizeof(CD) ;
file.seekp(location) ;
file.write((char *) this, sizeof(CD)) ;
file.close() ;
}
void CD :: display(int tcode)
{
fstream file ;
file.open("CD.DAT", ios::in) ;
file.seekg(0,ios::beg) ;
while (file.read((char *) this, sizeof(CD)))
{
if (cdcode == tcode)
{
gotoxy(5,5) ;cout <<"cd Code   : " <<cdcode ;
gotoxy(5,7) ;cout <<"cd Name   : " <<name ;
gotoxy(5,8) ;cout <<"catagory : " <<catagory ;
gotoxy(5,9) ;cout <<"Price       : Rs." <<price ;
gotoxy(5,10) ;cout <<"Copies      : " <<price ;
gotoxy(5,11) ;cout <<"Available   : " <<avail ;
break ;
}
}
file.close() ;
}
void CD :: list(void)
{
clrscr() ;
int row = 6 , found=0, flag=0 ;
char ch ;
gotoxy(33,2) ;cout <<"LIST OF CDS" ;
gotoxy(32,3) ;cout <<"~~~~~~~~~~~~~~~" ;
gotoxy(1,4) ;cout <<"CODE  CD NAME                         CATAGORY                  PRICE   COPIES" ;
gotoxy(1,5) ;cout <<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" ;
fstream file ;
file.open("CD.DAT", ios::in) ;
file.seekg(0,ios::beg) ;
while (file.read((char *) this, sizeof(CD)))
{
flag = 0 ;
delay(20) ;
found = 1 ;
gotoxy(2,row) ;
cout <<cdcode ;
gotoxy(7,row) ;
cout <<name ;
gotoxy(40,row) ;
cout <<catagory ;
gotoxy(66,row) ;
cout <<price ;
gotoxy(73,row) ;
cout <<copies ;
      // textbackground(WHITE) ; textcolor(RED) ;
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 CDS" ;
gotoxy(32,3) ;cout <<"~~~~~~~~~~~~~~~" ;
gotoxy(1,4) ;cout <<"CODE  CD NAME    CATAGORY   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 () ;
}
int MEMBER :: member_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 ;
}
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 = cdcode ;
break ;
}
}
file.close() ;
return missue ;
}
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 * 20 ;
break ;
}
}
file.close() ;
return t_fine ;
}
int MEMBER :: lastcode(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 ;
}
char *MEMBER :: membername(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) ;
break ;
}
}
file.close() ;
return mname ;
}
char *MEMBER :: memberphone(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 ;
}
char *MEMBER :: memberaddress(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,address) ;
break ;
}
}
file.close() ;
return maddress ;
}
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 ;
}
void MEMBER :: delete_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() ;
}
void MEMBER :: update_cd(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 )
{
cdcode = 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() ;
}
void MEMBER :: modify(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() ;
}
void MEMBER :: add_mem(int mcode, int ccode,
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 ;
cdcode = ccode ;
strcpy(name,mname) ;
strcpy(address,maddress) ;
strcpy(phone,mphone) ;
dd = d1 ;
mm = m1 ;
yy = y1 ;
file.write((char *) this, sizeof(MEMBER)) ;
file.close() ;
}
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() ;
}
void MEMBER :: list(void)
{
clrscr() ;
CD C ;
int row = 6 , found=0, flag=0 ;
char ch ;
gotoxy(32,2) ;cout <<"LIST OF MEMBERS" ;
gotoxy(31,3) ;cout <<"~~~~~~~~~~~~~~~~~" ;
gotoxy(1,4) ;cout <<"CODE  CD CODE     NAME                PHONE        ADDRESS" ;
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(2,row) ;cout <<memcode ;
gotoxy(10,row) ;cout <<cdcode ;
gotoxy(19,row) ;cout <<name ;
gotoxy(38,row) ;cout <<phone ;
gotoxy(50,row);cout<<address;
     // textbackground(WHITE) ; textcolor(BLACK) ;
gotoxy(7,row+1) ;
if (cdcode == 0)
cprintf("CD NAME: (Not Issued)") ;
else
{
cprintf("CD NAME: %s",C.cdname(cdcode)) ;
gotoxy(42,row+1) ;cprintf("Date of return: ") ;
textcolor(BLACK+BLINK) ;
cprintf("%d/%d/%d",dd,mm,yy) ;
}
// 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(32,2) ;cout <<"LIST OF MEMBERS" ;
gotoxy(31,3) ;cout <<"~~~~~~~~~~~~~~~~~" ;
gotoxy(1,4) ;cout <<"CODE  CD 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 () ;
}
void WORKING :: add_cd(void)
{
if (!reccount())  // MEMBER FUNCTION OF CD
{
add_new_cd(0,"null","null",0.0,0,0) ;
CD::delete_rec(0) ;
}
char ch ;
int tcode, tcopies, tavail ;
char tname[33], tcatagory[6] ;
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 CDS" ;
gotoxy(29,4) ;cout <<"~~~~~~~~~~~~~~~~~~~~~" ;
gotoxy(72,1) ;cout <<"&lt;0>=Exit" ;
gotoxy(5,25) ;cout << "Enter code no. of the cd" ;
gotoxy(5,5) ;cout <<"Code no. " ;
gets(t) ;
tc = atoi(t) ;
tcode = tc ;
if (tcode == 0)
return ;
if (cd_found(tcode))
{
found = 1 ;
gotoxy(19,8) ;cout <<cdname(tcode) ;
gotoxy(19,9) ;cout <<cat_class(tcode) ;
gotoxy(22,10) ;cout <<cdprice(tcode) ;
}
gotoxy(5,8) ;cout <<"Cd Name   : " ;
gotoxy(5,9) ;cout <<"type : " ;
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 cd" ;
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 type of the cd" ;
gotoxy(19,9) ; clreol() ;
gets(tcatagory) ;
strupr(tcatagory) ;
if (tcatagory[0] == '0')
return ;
if (strlen(tcatagory) < 1 || strlen(tcatagory) > 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 cd" ;
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 cd 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_new_cd(tcode,tname,tcatagory,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') ;
}
void WORKING :: add_member(void)
{
char ch ;
int mcode, ccode ;
char mname[26], mphone[10], maddress[33] ;
int d1, m1, y1 ;
mcode = lastcode() ;
mcode++ ;
do
{
int valid=0 ;
clrscr() ;
gotoxy(28,3) ;cout <<"ADDITION OF THE MEMBERS" ;
gotoxy(28,4) ;cout <<"~~~~~~~~~~~~~~~~~~~~~~~" ;
gotoxy(72,1) ;cout <<"&lt;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')
{
ccode = 0 ;
d1 = 0 ;
m1 = 0 ;
y1 = 0 ;
add_mem(mcode,ccode,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') ;
}
void WORKING :: issuecd(void)
{
CD C ;
MEMBER M ;
DATE D ;
char t1code[33], ch ;
int t2code=0, tcode=0, mcode=0 ;
int valid ;
int d1, m1, y1 ;
struct date d;
getdate(&d);
d1 = d.da_day ;
m1 = d.da_mon ;
y1 = d.da_year ;
do
{
valid = 1 ;
while (1)
{
clrscr() ;
gotoxy(5,2) ;cout <<"Date : " <<d1 <<"/" <<m1 <<"/" <<y1 ;
gotoxy(72,1) ;cout <<"&lt;0>=Exit" ;
gotoxy(5,5) ;cout <<"Enter Code or Name of the cd to be issued" ;
gotoxy(5,6) ;cout <<"                  or                       " ;
gotoxy(5,7) ;cout <<"Press <ENTER> for help  " ;
gets(t1code) ;
if (t1code[0] == '0')
return ;
if (strlen(t1code) == 0)
C.list() ;
else
break ;
}
t2code = atoi(t1code) ;
tcode = t2code ;
if((tcode==0&&!cdname_found(t1code))||(tcode!=0&&!cd_found(tcode)))
{
valid = 0 ;
gotoxy(5,10) ;cout <<"\7Record not found" ;
gotoxy(5,11) ;cout <<"Press <ESC> to exit or any other key to continue..." ;
ch = getch() ;
if (ch == 27)
return ;
}
} while (!valid) ;
if (tcode == 0)
tcode = cdcodeof(t1code) ;
if (!available(tcode))
{
gotoxy(5,10) ;cout <<"\7Sorry! cd (" <<cdname(tcode) <<") is not available" ;
gotoxy(5,11) ;cout <<"Kindly issue any other cd" ;
gotoxy(5,12) ;cout <<"See List of cds" ;
getch() ;
return ;
}
do
{
valid = 1 ;
while (1)
{
clrscr() ;
gotoxy(72,1) ;cout <<"&lt;0>=Exit" ;
gotoxy(5,2) ;cout <<"Date : " <<d1 <<"/" <<m1 <<"/" <<y1 ;
gotoxy(5,5) ;cout <<"cd Name: " <<cdname(tcode) ;
gotoxy(5,7) ;cout <<"Enter Code no. of the Member" ;
gotoxy(5,8) ;cout <<"            or              " ;
gotoxy(5,9) ;cout <<"Press <ENTER> for help  " ;
gets(t1code) ;
if (t1code[0] == '0')
return ;
if (strlen(t1code) == 0)
M.list() ;
else
break ;
}
t2code = atoi(t1code) ;
mcode = t2code ;
if (mcode == 0)
{
valid = 0 ;
gotoxy(5,25) ;cout <<"\7Enter Correctly" ;
getch() ;
}
if (!member_found(mcode) && valid)
{
valid = 0 ;
gotoxy(5,13) ;cout <<"\7Record not found" ;
gotoxy(5,14) ;cout <<"Press <ESC> to exit or any other key to continue..." ;
ch = getch() ;
if (ch == 27)
return ;
}
} while (!valid) ;
int tcopies, tavail ;
tcopies = no_of_copies(tcode) ;  // member function of BOOK
tavail  = available(tcode) - 1 ;  // member function of BOOK
update_copies(tcode,tcopies,tavail) ;  // member function of BOOK
D.extend_date(d1,m1,y1,15) ;
d1 = D.day ;
m1 = D.mon ;
y1 = D.year ;
update_cd(mcode,tcode,d1,m1,y1) ;  // member function of MEMBER
gotoxy(5,13) ;cout <<"\7cd is issued to " <<membername(mcode) ;
gotoxy(5,15) ;cout <<"Date of Return : " <<d1 <<"/" <<m1 <<"/" <<y1 ;
getch() ;
}
void WORKING :: returncd(void)
{
MEMBER M ;
char t1code[5], ch ;
int t2code=0, mcode=0, valid ;
int d1, m1, y1 ;
struct date d;
getdate(&d);
d1 = d.da_day ;
m1 = d.da_mon ;
y1 = d.da_year ;
do
{
valid = 1 ;
while (1)
{
clrscr() ;
gotoxy(72,1) ;cout <<"&lt;0>=Exit" ;
gotoxy(5,2) ;cout <<"Date : " <<d1 <<"/" <<m1 <<"/" <<y1 ;
gotoxy(5,7) ;cout <<"Enter Code no. of the Member who wants to return cd" ;
gotoxy(5,8) ;cout <<"                        or              " ;
gotoxy(5,9) ;cout <<"Press <ENTER> for help  " ;
gets(t1code) ;
if (t1code[0] == '0')
return ;
if (strlen(t1code) == 0)
M.list() ;
else
break ;
}
t2code = atoi(t1code) ;
mcode = t2code ;
if (mcode == 0)
{
valid = 0 ;
gotoxy(5,25) ;cout <<"\7Enter Correctly" ;
getch() ;
}
if (!member_found(mcode) && valid)
{
valid = 0 ;
gotoxy(5,13) ;cout <<"\7Record not found" ;
gotoxy(5,14) ;cout <<"Press <ESC> to exit or any other key to continue..." ;
ch = getch() ;
if (ch == 27)
return ;
}
if (!issued(mcode) && valid)
{
valid = 0 ;
gotoxy(5,13) ;cout <<"\7Member have no cd to return" ;
gotoxy(5,14) ;cout <<"Press <ESC> to exit or any other key to continue..." ;
ch = getch() ;
if (ch == 27)
return ;
}
} while (!valid) ;
int ccode, tcopies, tavail ;
ccode = issued(mcode) ;
gotoxy(5,13) ;cout <<"cd Code : " <<ccode ;
gotoxy(5,14) ;cout <<"cd Name : " <<cdname(ccode) ;
tcopies = no_of_copies(ccode) ;
tavail = available(ccode) + 1 ;
long int f ;
f = fine(mcode) ;
if (f != 0)
{
gotoxy(5,16) ;cout <<"You have to pay a fine of Rs." <<f ;
gotoxy(5,17) ;cout <<"Please do not delay the Return of cd again" ;
}
update_copies(ccode,tcopies,tavail) ;
update_cd(mcode,0,0,0,0) ;
gotoxy(5,19) ;cout <<"\7cd has been returned" ;
getch() ;
}
void WORKING :: modify_cd(void)
{
CD C ;
char t1code[5], tname[33], tcatagory[6], *t1, ch ;
int t2code=0, tcode=0 ;
float t2=0.0, tprice=0.0 ;
int valid ;
do
{
valid = 1 ;
while (1)
{
clrscr() ;
gotoxy(72,1) ;cout <<"&lt;0>=Exit" ;
gotoxy(5,5) ;cout <<"Enter Code or Name of the cd to be modified" ;
gotoxy(5,6) ;cout <<"                  or                       " ;
gotoxy(5,7) ;cout <<"Press <ENTER> for help  " ;
gets(t1code) ;
if (t1code[0] == '0')
return ;
if (strlen(t1code) == 0)
C.list() ;
else
break ;
}
t2code = atoi(t1code) ;
tcode = t2code ;
if((tcode==0&&!cdname_found(t1code))||(tcode!=0&&!cd_found(tcode)))
{
valid = 0 ;
gotoxy(5,10) ;cout <<"\7Record not found" ;
gotoxy(5,11) ;cout <<"Press <ESC> to exit or any other key to continue..." ;
ch = getch() ;
if (ch == 27)
return ;
}
} while (!valid) ;
if (tcode == 0)
tcode = cdcodeof(t1code) ;
clrscr() ;
gotoxy(72,1) ;cout <<"&lt;0>=Exit" ;
CD::display(tcode) ;
do
{
gotoxy(5,13) ; clreol() ;
cout <<"Do you want to modify this record (y/n) : " ;
ch = getche() ;
ch = toupper(ch) ;
if (ch == '0')
return ;
} while (ch != 'Y' && ch != 'N') ;
if (ch == 'N')
return ;
gotoxy(5,16) ;cout <<"CD Name   : " ;
gotoxy(5,17) ;cout <<"type : " ;
gotoxy(5,18) ;cout <<"Price       : Rs." ;
do
{
valid = 1 ;
gotoxy(5,25) ; clreol() ;
cout <<"Enter the name of the cd or <ENTER> for no change" ;
gotoxy(19,16) ; clreol() ;
gets(tname) ;
strupr(tname) ;
if (tname[0] == '0')
return ;
if (strlen(tname) > 32)
{
valid = 0 ;
gotoxy(5,25) ; clreol() ;
cout <<"\7Enter correctly (Range: 1..32)" ;
getch() ;
}
} while (!valid) ;
if (strlen(tname) == 0)
strcpy(tname,cdname(tcode)) ;
do
{
valid = 1 ;
gotoxy(5,25) ; clreol() ;
cout <<"Enter the type or <ENTER> for no change" ;
gotoxy(19,17) ; clreol() ;
gets(tcatagory) ;
strupr(tcatagory) ;
if (tcatagory[0] == '0')
return ;
if (strlen(tcatagory) > 25)
{
valid = 0 ;
gotoxy(5,25) ; clreol() ;
cout <<"\7Enter correctly (Range: 1..25)" ;
getch() ;
}
} while (!valid) ;
if (strlen(tcatagory) == 0)
strcpy(tcatagory,cat_class(tcode)) ;
do
{
valid = 1 ;
gotoxy(5,25) ; clreol() ;
cout <<"Enter price or <ENTER> for no change" ;
gotoxy(22,18) ; clreol() ;
gets(t1) ;
t2 = atof(t1) ;
tprice = t2 ;
if (t1[0] == '0')
return ;
if (strlen(t1) == 0)
break ;
if (tprice < 1 || tprice > 9999)
{
valid = 0 ;
gotoxy(5,25) ; clreol() ;
cout <<"\7Enter correctly" ;
getch() ;
}
} while (!valid) ;
if (strlen(t1) == 0)
tprice = cdprice(tcode) ;
gotoxy(5,25) ; clreol() ;
do
{
gotoxy(5,20) ; clreol() ;
cout <<"Do you want to save changes (y/n) : " ;
ch = getche() ;
ch = toupper(ch) ;
if (ch == '0')
return ;
} while (ch != 'Y' && ch != 'N') ;
if (ch == 'N')
return ;
CD::modify(tcode,tname,tcatagory,tprice) ;
gotoxy(5,23) ;cout <<"\7Record Modified" ;
getch() ;
}
void WORKING :: modify_member(void)
{
MEMBER M ;
char m1code[10], mname[26], mphone[10], maddress[33], ch ;
int m2code=0, mcode=0 ;
int valid ;
do
{
valid = 1 ;
while (1)
{
clrscr() ;
gotoxy(72,1) ;cout <<"&lt;0>=Exit" ;
gotoxy(5,7) ;cout <<"Enter Code no. of the Member to be Modify" ;
gotoxy(5,8) ;cout <<"                        or              " ;
gotoxy(5,9) ;cout <<"Press <ENTER> for help  " ;
gets(m1code) ;
m2code = atoi(m1code) ;
mcode = m2code ;
if (m1code[0] == '0')
return ;
if (strlen(m1code) == 0)
M.list() ;
else
break ;
}
if (mcode == 0)
{
valid = 0 ;
gotoxy(5,25) ;cout <<"\7Enter Correctly" ;
getch() ;
}
if (valid && !member_found(mcode))
{
valid = 0 ;
gotoxy(5,13) ;cout <<"\7Record not found" ;
gotoxy(5,14) ;cout <<"Press <ESC> to exit or any other key to continue..." ;
ch = getch() ;
if (ch == 27)
return ;
}
} while (!valid) ;
clrscr() ;
gotoxy(72,1) ;cout <<"&lt;0>=Exit" ;
MEMBER::display(mcode) ;
do
{
gotoxy(5,10) ; clreol() ;
cout <<"Do you want to modify this record (y/n) : " ;
ch = getche() ;
ch = toupper(ch) ;
if (ch == '0')
return ;
} while (ch != 'Y' && ch != 'N') ;
if (ch == 'N')
return ;
gotoxy(5,13) ;cout <<"Name    : " ;
gotoxy(5,14) ;cout <<"Phone   : " ;
gotoxy(5,15) ;cout <<"Address : " ;
do
{
valid = 1 ;
gotoxy(5,25) ; clreol() ;
cout <<"Enter the name of the member or <ENTER> for no change" ;
gotoxy(19,13) ; clreol() ;
gets(mname) ;
strupr(mname) ;
if (mname[0] == '0')
return ;
if (strlen(mname) > 25)
{
valid = 0 ;
gotoxy(5,25) ; clreol() ;
cout <<"\7Enter correctly (Range: 1..25)" ;
getch() ;
}
} while (!valid) ;
if (strlen(mname) == 0)
strcpy(mname,membername(mcode)) ;
do
{
valid = 1 ;
gotoxy(5,25) ; clreol() ;
cout <<"Enter the Phone no. of Member or <ENTER> for no change" ;
gotoxy(19,14) ; clreol() ;
gets(mphone) ;
if (mphone[0] == '0')
return ;
if((strlen(mphone)&&strlen(mphone)>0)||(strlen(mphone)>9))
{
valid = 0 ;
gotoxy(5,25) ; clreol() ;
cout <<"\7Enter correctly" ;
getch() ;
}
} while (!valid) ;
if (strlen(mphone) == 0)
strcpy(mphone,memberphone(mcode)) ;
do
{
valid = 1 ;
gotoxy(5,25) ; clreol() ;
cout <<"Enter the address of the member or <ENTER> for no change" ;
gotoxy(19,15) ; clreol() ;
gets(maddress) ;
strupr(maddress) ;
if (maddress[0] == '0')
return ;
if (strlen(maddress) > 32)
{
valid = 0 ;
gotoxy(5,25) ; clreol() ;
cout <<"\7Enter correctly (Range: 1..32)" ;
getch() ;
}
} while (!valid) ;
if (strlen(maddress) == 0)
strcpy(maddress,memberaddress(mcode)) ;
gotoxy(5,25) ; clreol() ;
do
{
gotoxy(5,18) ; clreol() ;
cout <<"Do you want to save changes (y/n) : " ;
ch = getche() ;
ch = toupper(ch) ;
if (ch == '0')
return ;
} while (ch != 'Y' && ch != 'N') ;
if (ch == 'N')
return ;
MEMBER::modify(mcode,mname,mphone,maddress) ;
gotoxy(5,23) ;cout <<"\7Record Modified" ;
getch() ;
}
void WORKING :: delete_cd(void)
{
CD C ;
char t1code[5], tname[33], tcatagory[6], ch ;
int t2code=0, tcode=0 ;
int valid ;
do
{
valid = 1 ;
while (1)
{
clrscr() ;
gotoxy(72,1) ;cout <<"&lt;0>=Exit" ;
gotoxy(5,5) ;cout <<"Enter Code or Name of the cd to be Deleted" ;
gotoxy(5,6) ;cout <<"                  or                       " ;
gotoxy(5,7) ;cout <<"Press <ENTER> for help  " ;
gets(t1code) ;
if (t1code[0] == '0')
return ;
if (strlen(t1code) == 0)
C.list() ;
else
break ;
}
t2code = atoi(t1code) ;
tcode = t2code ;
if((tcode==0&&!cdname_found(t1code))||(tcode!=0&&!cd_found(tcode)))
{
valid = 0 ;
gotoxy(5,10) ;cout <<"\7Record not found" ;
gotoxy(5,11) ;cout <<"Press <ESC> to exit or any other key to continue..." ;
ch = getch() ;
if (ch == 27)
return ;
}
} while (!valid) ;
if (tcode == 0)
tcode = cdcodeof(t1code) ;
clrscr() ;
gotoxy(72,1) ;cout <<"&lt;0>=Exit" ;
CD::display(tcode) ;
do
{
gotoxy(5,13) ; clreol() ;
cout <<"Do you want to delete this record (y/n) : " ;
ch = getche() ;
ch = toupper(ch) ;
if (ch == '0')
return ;
} while (ch != 'Y' && ch != 'N') ;
if (ch == 'N')
return ;
int tavail, tcopies ;
tavail = available(tcode) ;
tcopies = no_of_copies(tcode) ;
if (tavail != tcopies)
{
gotoxy(5,15) ;cout <<"\7Record cannot be deleted. This cd is issued." ;
getch() ;
return ;
}
CD::delete_rec(tcode) ;
gotoxy(5,23) ;cout <<"\7Record Deleted" ;
getch() ;
}
void WORKING :: delete_member(void)
{
MEMBER M ;
char m1code[5], mname[26], mphone[10], maddress[33], ch ;
int m2code=0, mcode=0 ;
int valid ;
do
{
valid = 1 ;
while (1)
{
clrscr() ;
gotoxy(72,1) ;cout <<"&lt;0>=Exit" ;
gotoxy(5,7) ;cout <<"Enter Code no. of the Member to be Deleted" ;
gotoxy(5,8) ;cout <<"                        or              " ;
gotoxy(5,9) ;cout <<"Press <ENTER> for help  " ;
gets(m1code) ;
m2code = atoi(m1code) ;
mcode = m2code ;
if (m1code[0] == '0')
return ;
if (strlen(m1code) == 0)
M.list() ;
else
break ;
}
if (mcode == 0)
{
valid = 0 ;
gotoxy(5,25) ;cout <<"\7Enter Correctly" ;
getch() ;
}
if (valid && !member_found(mcode))
{
valid = 0 ;
gotoxy(5,13) ;cout <<"\7Record not found" ;
gotoxy(5,14) ;cout <<"Press <ESC> to exit or any other key to continue..." ;
ch = getch() ;
if (ch == 27)
return ;
}
} while (!valid) ;
clrscr() ;
gotoxy(72,1) ;cout <<"&lt;0>=Exit" ;
MEMBER::display(mcode) ;
do
{
gotoxy(5,10) ; clreol() ;
cout <<"Do you want to Delete this record (y/n) : " ;
ch = getche() ;
ch = toupper(ch) ;
if (ch == '0')
return ;
} while (ch != 'Y' && ch != 'N') ;
if (ch == 'N')
return ;
if (issued(mcode))
{
gotoxy(5,15) ;cout <<"\7Record cannot be delete. Member has a cd" ;
getch() ;
return ;
}
MEMBER::delete_rec(mcode) ;
gotoxy(5,23) ;cout <<"\7Record Modified" ;
getch() ;
}
void main()
{
introduction() ;
MENU menu ;
menu.main_menu() ;
}