C++ Project on Music

// Declaration of header files
#include <iostream.h>
#include <fstream.h>
#include <process.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include <conio.h>
#include <dos.h>
#include <stdlib.h>
#include <iomanip.h>
#include <graphics.h>


typedef char option[15];
const int ROW = 10, COL = 10;

int scan;    // To hold the special characters for moving the prompt in menu
int ascii;

// To display the main menu options
option a[]= {
"NewCassPur",
"ListOfPurchase",
"DailyCassSales",
"SalesReport",
"AddOtherExp",
"OtherExpRep",
"ClosingStock",
"MonthlyProfit",
"Exit"
};


// Function used to do screening
class main_menu
{
int i,done;

public:
void normalvideo(int x,int y,char *str);
void reversevideo(int x,int y,char *str);
void box(int x1,int y1,int x2,int y2);
char menu();
void control_menu();
void help(void);
};

/* Class member functions for drawing boxes */
class shape
{
public:
void line_hor(int, int, int, char);
void line_ver(int, int, int, char);
void box(int, int, int, int, char);
};


// Class contains the cassettes deposit of customers
class cassettes
{
public:
void new_cassettes(void);    // Function to add new cassettes in music shop
// For cassettes entry into the cassettes.dat data file
void add_to_file(int, char t_Cass_name[30], char t_Comp_name[30], int, int, int, int, float);
void display_list(void); // Displaying the cassettes list
void delete_cassette(int); // Deletes the temporary cassette record
int last_cas_code(void); // if the file is exist or not
char *return_name(int); // Function for validation entry of name
char *return_address(int); // Function for validation entry of address
int recordno(int);
void display(int); // To display the cassette information account

private:
// Data Members of cassette.dat data file

int cas_code;    // Cassette code - film, nonfilm, religious
char Cass_name[30];    // Title of the cassette
char Comp_name[30];    // Cassette company
int tot_cassette;    // Total cassette purchased
int dd, mm, yy;    // Date of purchase
float price;    // Price per cassette
};

class balance
{
public:
void add_to_file(int, int, int, int, int, float);    // Add record for balance cassette
void balance_cassette(void);    // Function to display the balance cassette
void delete_balance(int);    // Deleting the balance from Tbal.dat
int give_balance(int);    // returns the current balance of a particular
// cassette code
void Update_balance(int, int, int , int , int, float); // Function to update balance after cassette sale
float return_price(int);    // Return the cassette price

void monthly_profit(void);    // Monthly profit after every transaction

private:

// Data members of Tbal.dat data file
int cas_code;    // Cassette code to be balance
int cas_bal;    // Total number of cassettes in balance
int dd;    // Balance date
int mm;
int yy;
float price;    // Unit price of cassettes on code wise

};


// Class contains the customers daily cassette transaction entry
class account
{
public:
void new_account(void);  // Function to sale cassettes
void close_account(void);    // Function to close the cassette purchase
void clear(int, int); // Function to perform a clear screen function
void Display_sales(void);    // Displaying the sales report of cassettes
int last_cas_code(void); // if the file is exist or not
float sales_status(int m1, int y1, float cod1, float cod2, float cod3);
private:
void add_to_file(int, char tP_name[30], char tP_address[30],int, int, int, int); // Function to add transaction records
void delete_account(int); // Function to delete a transaction record

// Data members of person.dat data file
int cas_code;        // Cassette code - film, nonfilm, religious
char P_name[30];    // Person Name
char P_address[30];    // Person Address
int No_cass;        // Number of cassette
int dd, mm, yy;     // To store the system date/ purchase date
};

class other
{
public :
// Function to display other expense screen like salary,
// electricity bill, telephone and miscellaneous expences
void Expense_other(void);

// Add the data to Other.dat data file
void add_to_file(int, char tNat_Expen[30], int, int, int, float);
void display_expense(void);    // Display the expenses
float other_status(int m1, int y1);

private :
// Data members of other.dat data file
int O_code;        // Other expence code
/* The other expence code as :
1     -    Salary to workers,
2    -    Electricity bill
3    -    Telephone bills
4    -    Miscellaneous expenses    */
char Nat_Expen[30];    // Nature of expense description
int dd, mm, yy;    // Expense date
float amount;    // Expense amount
};

// Function to displays all the menu prompt messages
// from the pointer array of option a[]
void main_menu::normalvideo(int x,int y,char *str)
{
gotoxy(x,y);
cprintf("%s",str);
}

// Function to move the cursor on the menu prompt
// with a reverse video color
void main_menu::reversevideo(int x,int y,char *str)
{
textcolor(5+143);
textbackground(WHITE);
gotoxy(x,y);
cprintf("%s",str);
textcolor(GREEN);
textbackground(BLACK);
}

void main_menu::box(int x1,int y1,int x2,int y2)
{
for(int col=x1;col<x2;col++)
{
gotoxy(col,y1);
cprintf("%c",196);
gotoxy(col,y2);
cprintf("%c",196);
}

for(int row=y1;row<y2;row++)
{
gotoxy(x1,row);
cprintf("%c",179);
gotoxy(x2,row);
cprintf("%c",179);
}
gotoxy(x1,y1);
cprintf("%c",218);
gotoxy(x1,y2);
cprintf("%c",192);
gotoxy(x2,y1);
cprintf("%c",191);
gotoxy(x2,y2);
cprintf("%c",217);
}

// Displaying the main menu of music system
char main_menu::menu()
{
clrscr();

textcolor(22);
box(20, 6, 65, 20);
box(18, 4, 67, 22);
textcolor(5+143);
gotoxy(36, 5);
textbackground(BLUE);
cprintf("M U S I C");
textbackground(BLACK);
textcolor(22);
for(i = 1; i < 9; i++)
normalvideo(32, i+10, a[i]);
reversevideo(32, 10, a[0]);
i = done = 0;
_setcursortype(_NOCURSOR);
do
{
int key = getch();

switch (key)
{
case 00:
key = getch();

switch (key)
{
case 72:
normalvideo(32, i+10, a[i]);
i--;
if (i == -1)
i = 8;
reversevideo(32,i+10, a[i]);
break;
case 80:
normalvideo(32, i+10, a[i]);
i++;
if (i == 9)
i = 0;
reversevideo(32, i+10, a[i]);
break;
}
break;
case 13:
done = 1;
}
} while (!done);

_setcursortype(_NOCURSOR);
return(i+49);
}

/* The function main_menu() is used to display the main menu system */
void main_menu::control_menu()
{

char choice;
cassettes cas;
account a;
balance bal;
other oth;

do
{
choice = menu();
clrscr();

switch (choice)
{
case '1':
_setcursortype(_NORMALCURSOR);
box(3, 1, 75, 24);
box(5, 2, 73, 23);

cas.new_cassettes(); // New cassette entry function
break;
case '2':
box(3, 1, 75, 24);
box(5, 2, 73, 23);
cassettes ini;
ini.display_list(); // Glogal list of cassettes function
break;
case '3':
box(3, 1, 75, 24);
box(5, 2, 73, 23);

_setcursortype(_NORMALCURSOR);

a.new_account(); // Enter the personwise sale cassette
break;
case '4':
box(3, 1, 75, 24);
box(5, 2, 73, 23);

account a;
_setcursortype(_NORMALCURSOR);
a.Display_sales(); // Displays the sales cassettes
break;
case '5':
box(3, 1, 75, 24);
box(5, 2, 73, 23);

_setcursortype(_NORMALCURSOR);
oth.Expense_other(); // Entry of other expenses
break;
case '6':
box(3, 1, 75, 24);
box(5, 2, 73, 23);
gotoxy(10,10);
oth.display_expense();    // Displays the expenses
break;
case '7':
box(3, 1, 75, 24);
box(5, 2, 73, 23);
gotoxy(10,10);
bal.balance_cassette(); // Function to display the balance cassettes in shop
break;
case '8' :
box(3, 1, 75, 24);
box(5, 2, 73, 23);
gotoxy(10,10);
// Monthly profit after every transaction
bal.monthly_profit();
break;
case '9' :exit(0);
}
} while (choice != 8);
}

/* Function to draw horizontal line for menu*/
void shape::line_hor(int column1, int column2, int row, char c)
{
for (column1; column1 <= column2; column1++)
{
gotoxy(column1, row);
cout << c;
}
}

/* Function to draw vertical line for menu */
void shape::line_ver(int row1, int row2, int column, char c)
{
for (row1; row1 <= row2; row1++)
{
gotoxy(column, row1);
cout << c;
}
}

/* Function for drawing boxes for menu */
void shape::box(int column1, int row1, int column2, int row2, char c)
{
char ch = 218;
char c1, c2, c3, c4;
char l1 = 196, l2 = 179;
if (c == ch)
{
c1 = 218;
c2 = 191;
c3 = 217;
c4 = 217;
l1 = 196;
l2 = 179;
}
else
{
c1 = c;
c2 = c;
c3 = c;
c4 = c;
l1 = c;
c2 = c;
}

gotoxy(column1, row1);
cout << c1;
gotoxy(column2, row1);
cout << c2;
gotoxy(column1, row2);
cout << c3;
gotoxy(column2, row2);
cout << c4;
column1++;
column2--;
line_hor(column1, column2, row1, l1); //Horizontal line
line_hor(column1, column2, row2, l1);
column1--;
column2++;
row1++;
row2--;
line_ver(row1, row2, column1, l2); // Vertical line
line_ver(row1, row2, column2, l2);
}

/* Function to display help about this project */
void main_menu::help(void)
{
clrscr();

setbkcolor(7);
settextstyle(7,HORIZ_DIR,5);
outtextxy(70,20,"Welcome to Music Shop");
settextstyle(2,HORIZ_DIR,5);
outtextxy(60,100, "This project your can keep record of daily music cassettes ");
delay(2);
outtextxy(60,130, "transaction. This program is capable of holding any no. of cassettes.");
delay(2);
outtextxy(60,160, "-In first option you can enter new cassette information");
delay(2);
outtextxy(60,190, "-In second option you can see the list of all the cassettes");
delay(2);
outtextxy(60,220,"-In third option you can sales the cassettes according to demand");
delay(2);
outtextxy(60,250, "-Through fourth optiion you can see the sales status");
delay(2);
outtextxy(60,280, "In the fifth option enter your daily other expenses");
delay(2);
outtextxy(60,310, "-In fifth option you can take monthWise individual account report");
delay(2);
outtextxy(60,340,"-In sixth option you can take reports of other expenses");
delay(2);
outtextxy(60,370, "Note-: Enter only valid data while you maintain this package");
delay(2);
outtextxy(60,400, "-And last option is Quit (Exit From Music Window)");
delay(2);

settextstyle(7,HORIZ_DIR,4);
outtextxy(80,420,"Press any key to continue...");
getch();

}

/* Function for displaying a cassette information when required */
void cassettes::display(int t_cas_code)
{
fstream file;
file.open("cassettes.dat", ios::in);
file.seekg(0, ios::beg);

// Displays the record contents matching
// with t_cas_code from cassettes.dat data file
while (file.read((char *)this, sizeof(cassettes)))
{
if (t_cas_code == cas_code)
{
gotoxy(8, 5);
cout << "Account no. " << cas_code;
gotoxy(10, 8);
cout << "Name : ";
puts(Cass_name);
gotoxy(10, 9);
cout << "Comany Name : ";
puts(Comp_name);

gotoxy(10, 10);
cout << "Price : " << setw(15)    // setwidth
<< setprecision(2)    // set position of decimal point
<< setiosflags(ios::left)   // set left justified output
<< setiosflags(ios::showpoint)  // always show decimal point
<< setiosflags(ios::fixed)    // set fixed notation for display
<< price;
break;
}
}

file.close();
}

/* Function to find is their records in cassette.dat file or not */

int cassettes::last_cas_code(void)
{
fstream file;
file.open("cassettes.dat", ios::in);
file.seekg(0, ios::beg);
int tcount = 0;
int count = 0;

// Founds the last account no.
while (file.read((char *)this, sizeof(cassettes)))
{
tcount = cas_code;
count = count + tcount;
}

file.close();
return count;
}

/* Function to find is their records in file person.dat or not */

int account::last_cas_code(void)
{
fstream file;
file.open("Person.dat", ios::in);
file.seekg(0, ios::beg);
int tcount = 0;
int count = 0;
// Founds the last account no.
while (file.read((char *)this, sizeof(account)))
{
tcount = cas_code;
count = count + tcount;
}
file.close();
return count;
}


/* Function for returning balance cassette.
This function returns the balance cassette on code wise
to know the current balance from "Tbal.dat" data file. */

int balance::give_balance(int t_cas_code)
{
fstream file;
file.open("Tbal.dat", ios::in);
file.seekg(0, ios::beg);
int t_balance = 0;

// Gives the last balance of an individual account
while (file.read((char *)this, sizeof(balance)))
{
if (file.eof())
break;

if (cas_code == t_cas_code)
{
t_balance = cas_bal;
break;
}
}
file.close();
return t_balance;
}

// Function to return the cassette price
float balance::return_price(int t_cas_code)
{
float t_price = 0.0;
fstream file;
file.open("Tbal.dat", ios::in);
file.seekg(0, ios::beg);

// Gives the last balance of an individual account
while (file.read((char *)this, sizeof(balance)))
{
if (file.eof())
break;

if (cas_code == t_cas_code)
{
t_price = price;
break;
}
}
file.close();
return t_price;
}

/* This function add_to_file() is used to create
new/fresh record in the data file */

void cassettes::add_to_file(int t_cas_code, char t_Cass_name[30],
char t_Comp_name[30], int t_cas, int tdd, int tmm, int tyy, float t_price)
{
cas_code = t_cas_code;
strcpy(Cass_name, t_Cass_name);
strcpy(Comp_name, t_Comp_name);
tot_cassette = t_cas;
dd = tdd;
mm = tmm;
yy = tyy;
price = t_price;

fstream file;

// Appends new account record with the price into cassettes.dat data file
file.open("cassettes.dat", ios::out|ios::app);
file.write((char *)this, sizeof(cassettes));
file.close();
}

/* This function add_to_file() is used to
create new/fresh record in the data file */

void balance::add_to_file(int t_cas_code,
int t_cas, int tdd, int tmm, int tyy, float t_price)
{
int bal = give_balance(t_cas_code);

if (bal > 0)
{
fstream file;
file.open("Tbal.dat", ios::in);
fstream temp;
temp.open("TEMP.dat", ios::out);
file.seekg(0,ios::beg);

// Uses a copy method to delete the cassette
// from cassette.dat data file
while (!file.eof())
{
file.read((char *)this, sizeof(balance));
if (file.eof())
break;
if (cas_code != t_cas_code)
temp.write((char *)this, sizeof(balance));
else
{
cas_code = t_cas_code;
cas_bal = t_cas + bal;
dd = tdd;
mm = tmm;
yy = tyy;
price = t_price;
temp.write((char *)this, sizeof(balance));
}
}

file.close();
temp.close();
file.open("Tbal.dat", ios::out);
temp.open("TEMP.dat", ios::in);
temp.seekg(0, ios::beg);

// Copy the TEMP.dat contents into cassette.dat data file
while (!temp.eof())
{
temp.read((char *)this, sizeof(balance));
if (temp.eof())
break;
file.write((char *)this, sizeof(balance));
}
file.close();
temp.close();
}
else
{
cas_code = t_cas_code;
cas_bal = t_cas;
dd = tdd;
mm = tmm;
yy = tyy;
price = t_price;
fstream file;

// Appends new account record with the
// price into cassettes.dat data file
file.open("Tbal.dat", ios::out|ios::app);
file.write((char *)this, sizeof(balance));
file.close();
}
}

// Function for deleting a account from cassettes.dat file
void cassettes::delete_cassette(int t_cas_code)
{
fstream file;
file.open("cassettes.dat", ios::in);
fstream temp;
temp.open("TEMP.dat", ios::out);
file.seekg(0,ios::beg);

// Uses a copy method to delete the account
// from cassette.dat data file
while (!file.eof())
{
file.read((char *)this, sizeof(cassettes));
if (file.eof())
break;
if (cas_code != t_cas_code)
temp.write((char *)this, sizeof(cassettes));
}

file.close();
temp.close();
file.open("cassettes.dat", ios::out);
temp.open("TEMP.dat", ios::in);
temp.seekg(0, ios::beg);

// Copy the TEMP.dat contents into cassette.dat data file
while (!temp.eof())
{
temp.read((char *)this, sizeof(cassettes));
if (temp.eof())
break;
if (cas_code != t_cas_code)
file.write((char *)this, sizeof(cassettes));
}

file.close();
temp.close();
}

// Function for deleting a balance from Tbal.dat file
void balance::delete_balance(int t_cas_code)
{
fstream file;
file.open("Tbal.dat", ios::in);
fstream temp;
temp.open("TEMP.dat", ios::out);
file.seekg(0,ios::beg);

// Uses a copy method to delete the account from Tbal.dat data file
while (!file.eof())
{
file.read((char *)this, sizeof(balance));
if (file.eof())
break;
if (cas_code != t_cas_code)
temp.write((char *)this, sizeof(balance));
}
file.close();
temp.close();
file.open("Tbal.dat", ios::out);
temp.open("TEMP.dat", ios::in);
temp.seekg(0, ios::beg);

// Copy the TEMP.dat contents into Tbal.dat data file
while (!temp.eof())
{
temp.read((char *)this, sizeof(balance));
if (temp.eof())
break;
if (cas_code != t_cas_code)
file.write((char *)this, sizeof(balance));
}

file.close();
temp.close();
}

/* Function for add an account details of
daily tranaction into person.dat file. */

void account::add_to_file(int t_cas_code, char tP_name[30],
char tP_address[30],int tNo_cass, int d1, int m1, int y1)
{

cas_code = t_cas_code;
strcpy(P_name, tP_name);
strcpy(P_address, tP_address);
No_cass = tNo_cass;
dd = d1;
mm = m1;
yy = y1;

fstream file;

// Appends the transaction record into person.dat data file
file.open("person.dat", ios::out|ios::app);
file.write((char *)this, sizeof(account));
file.close();
}

/* Function for deleting an account from person.dat file. */
void account::delete_account(int t_cas_code)
{
fstream file;
file.open("person.dat", ios::in); // Open to read records
fstream temp;
temp.open("TEMP.dat", ios::out); // Open to write records
file.seekg(0, ios::beg);    // Positioned from begining of the file

// Uses the copy method for deleting the
// transaction record from person.dat data file
while (!file.eof())
{
file.read((char *)this, sizeof(account));
if (file.eof())
break;
if (cas_code != t_cas_code)
temp.write((char *)this, sizeof(account));
}

file.close();
temp.close();
file.open("person.dat", ios::out);
temp.open("TEMP.dat", ios::in);
temp.seekg(0, ios::beg);

// Uses copy method to transfer the record
// from TEMP.dat file to person.dat data file
while (!temp.eof())
{
temp.read((char *)this, sizeof(account));
if (temp.eof())
break;
if (cas_code != t_cas_code)
file.write((char *)this, sizeof(account));
}

file.close();
temp.close();
}

// Function for add an other expenses details in other.dat data file
void other::add_to_file(int tO_code, char tNat_Expen[30],
int d1, int m1,  int y1, float tamount)
{
O_code = tO_code;
strcpy(Nat_Expen, tNat_Expen);
dd = d1;
mm = m1;
yy = y1;
amount = tamount;

fstream file;

// Appends the transaction record into other.dat data file
file.open("other.dat", ios::out|ios::app);
file.write((char *)this, sizeof(other));
file.close();
}

/* Function for displaying an account from "cassettes.dat". */
void cassettes::display_list(void)
{
clrscr();
int flag;
float tot_price = 0.0, tot_balance = 0.0;
fstream file;
gotoxy(25,2);

cout << "List of cassettes in Music Shop";
gotoxy(25, 3);
cout << "===============================";
int d1, m1, y1;
struct date d;        // For extracting system date
getdate(&d);
d1 = d.da_day;
m1 = d.da_mon;
y1 = d.da_year;
gotoxy(62, 3);
cout << "Date: " << d1 << "/" << m1 << "/" << y1;
gotoxy(1, 4);
for (int j = 1; j <= 79; j++)
cout << "=";

gotoxy(1, 5);
cout << "Code #";
gotoxy(9, 5);
cout << "Cassette Name";
gotoxy(34, 5);
cout << "Company Name";
gotoxy(55, 5);
cout << "Qty";
gotoxy(61, 5);
cout << "Price";
gotoxy(72, 5);
cout << "Total";
gotoxy(1, 6);
for (j = 1; j <= 79; j++)
cout << "=";

file.open("cassettes.dat", ios::in);
file.seekg(0,ios::beg);
int row = 7;

// Reads all the records to display on the screen
while (file.read((char *)this, sizeof(cassettes)))
{
tot_price = 0.0;
flag = 0;
delay(2);
gotoxy(3, row);
cout << cas_code;
gotoxy(9, row);
puts(Cass_name);
gotoxy(34, row);
puts(Comp_name);
gotoxy(55, row);
cout << tot_cassette;

gotoxy(61, row);
cout <<  setw(15)
<< setprecision(2)
<< setiosflags(ios::left)
<< setiosflags(ios::showpoint)
<< setiosflags(ios::fixed)
<< price;

tot_price = tot_cassette * price;

gotoxy(72, row);
cout <<  setw(15)
<< setprecision(2)
<< setiosflags(ios::left)
<< setiosflags(ios::showpoint)
<< setiosflags(ios::fixed)
<< tot_price;

tot_balance = tot_balance + tot_price;

row++;
if (row > 23)
{
flag = 1;
row = 6;
gotoxy(4, 24);
cout << "Press any key to continue.... ";
getch();
clrscr();
}
}

gotoxy(1, row);
for (j = 1; j <= 79; j++)
cout << "=";
row++;
gotoxy(3, row);
cout << "Total price of Cassettes is : ";

gotoxy(72, row);
cout << setw(15)
<< setprecision(2)
<< setiosflags(ios::left)
<< setiosflags(ios::showpoint)
<< setiosflags(ios::fixed)
<< tot_balance;

file.close();
if (!flag)
{
gotoxy(4, 24);
cout << "Press any key to continue...";
getch();
}
getch();
}

/* Function for displaying an cassette sales on day wise */
void account::Display_sales(void)
{
clrscr();
int flag;
fstream file;

int tcas_code;
int xdd, xmm, xyy;
clrscr();
gotoxy(10, 8);
cout << "Enter the Cassette Code ";
gotoxy(10, 9);
cout <<"As 1 or 2 or 3 ";
gotoxy(10, 11);
cout << "Enter the date " ;
gotoxy(30, 9);
cin >> tcas_code;
gotoxy(30, 11);
cin >> xdd;
gotoxy(32, 11);
cout << "-";
gotoxy(33, 11);
cin >> xmm;
gotoxy(35, 11);
cout << "-";
gotoxy(36, 11);
cin >> xyy;
if (tcas_code < 1)
{
gotoxy(5, 23);
cout << "Your entry is not valid";
getch();
return;
}
else
if (tcas_code > 3)
{
gotoxy(5, 23);
cout << "Your entry is not valid";
getch();
return;
}

clrscr();
gotoxy(25, 2);
cout << "Sales Report in Music Shop";
gotoxy(25, 3);
cout << "==========================";
int d1, m1, y1;
struct date d;        // For extracting system date
getdate(&d);
d1 = d.da_day;
m1 = d.da_mon;
y1 = d.da_year;
gotoxy(62, 3);
cout << "Date: " << d1 << "/" << m1 << "/" << y1;
gotoxy(1, 5);
for (int j = 1; j <= 79; j++)
cout << "=";

gotoxy(1, 6);
cout << "Code #";
gotoxy(9, 6);
cout << "Name";
gotoxy(34, 6);
cout << "Address";
gotoxy(55, 6);
cout << "Qty";
gotoxy(61, 6);
cout << "Date";

gotoxy(1, 7);
for (j = 1; j <= 79; j++)
cout << "=";
file.open("Person.dat", ios::in);
file.seekg(0,ios::beg);
int row = 8;

// Reads all the records to display on the screen
while (file.read((char *)this, sizeof(account)))
{
if ((tcas_code == cas_code) && (xmm == mm) && (xyy == yy))
{
flag = 0;
delay(2);
gotoxy(3, row);
cout << cas_code;
gotoxy(9, row);
puts(P_name);
gotoxy(34, row);
puts(P_address);
gotoxy(55, row);
cout << No_cass;

gotoxy(61, row);
cout << dd << "-" << mm << "-" << yy;
++row;
if (row > 23)
{
flag = 1;
row = 6;
gotoxy(4, 24);
cout << "Press any key to continue.... ";
getch();
clrscr();
}
}
}

++row;

gotoxy(1, row);
for (j = 1; j <= 79; j++)
cout << "=";
row++;

file.close();
if (!flag)
{
gotoxy(4, 24);
cout << "Press any key to continue...";
getch();
}
getch();
}

/* Function for displaying other expenses in shop */
void other::display_expense(void)
{
clrscr();
int flag;
fstream file;

/* The other expence code as :
1     -    Salary to workers,
2    -    Electricity bill
3    -    Telephone bills
4    -    Miscellaneous expenses    */


int tO_code;
int xdd, xmm, xyy;
clrscr();
gotoxy(10, 8);
cout << "Enter the Expense Code ";
gotoxy(10, 9);
cout <<"1 Salary to Worker ";
gotoxy(10, 10);
cout <<"2 Electricity bill ";
gotoxy(10, 11);
cout <<"3 Telephone bill ";
gotoxy(10, 12);
cout <<"4 Miscellaneous ";

gotoxy(10, 13);
cout <<"Enter your Choice";

gotoxy(10, 14);
cout << "Enter the date " ;
gotoxy(30, 13);
cin >> tO_code;
gotoxy(30, 14);
cin >> xdd;
gotoxy(32, 14);
cout << "-";
gotoxy(33, 14);
cin >> xmm;
gotoxy(35, 14);
cout << "-";
gotoxy(36, 14);
cin >> xyy;
if (tO_code < 1)
{
gotoxy(5, 23);
cout << "Your entry is not valid";
getch();
return;
}
else
if (tO_code > 4)
{
gotoxy(5, 23);
cout << "Your entry is not valid";
getch();
return;
}

clrscr();

gotoxy(25, 2);
cout << "Other Expenses in Music Shop";
gotoxy(25, 3);
cout << "============================";
int d1, m1, y1;
struct date d;        // For extracting system date
getdate(&d);
d1 = d.da_day;
m1 = d.da_mon;
y1 = d.da_year;

gotoxy(62, 3);
cout << "Date: " << d1 << "/" << m1 << "/" << y1;

gotoxy(1, 5);
for (int j = 1; j <= 79; j++)
cout << "=";

gotoxy(1, 6);
cout << "Code #";
gotoxy(9, 6);
cout << "Nature Expense";
gotoxy(34, 6);
cout << "Date";
gotoxy(55, 6);
cout << "Amount";

gotoxy(1, 7);
for (j = 1; j <= 79; j++)
cout << "=";

file.open("other.dat", ios::in);
file.seekg(0,ios::beg);
int row = 8;

// Reads all the records to display on the screen
while (file.read((char *)this, sizeof(other)))
{

if ((tO_code == O_code) && (xmm == mm) && (xyy == yy))
{
flag = 0;
delay(2);
gotoxy(3, row);

cout << O_code;
gotoxy(9, row);
puts(Nat_Expen);
gotoxy(34, row);
cout << dd << "-" << mm << "-" << yy;
gotoxy(55, row);
cout << setw(15)
<< setprecision(2)
<< setiosflags(ios::left)
<< setiosflags(ios::showpoint)
<< setiosflags(ios::fixed)
<< amount;

++row;
if (row > 23)
{
flag = 1;
row = 6;
gotoxy(4, 24);
cout << "Press any key to continue.... ";
getch();
clrscr();
}
}
}

++row;
gotoxy(1, row);
for (j = 1; j <= 79; j++)
cout << "=";
row++;

file.close();
if (!flag)
{
gotoxy(4, 24);
cout << "Press any key to continue...";
getch();
}
getch();
}


/* Function for clearing specified row and column. */
void account::clear(int col, int row)
{
for (int j = col; j <= 79; j++)
{
gotoxy(j, row);
cout << " ";
}
}

/* Function for return name of the account
holder from cassettes.dat. */
char *cassettes::return_name(int t_cas_code)
{
fstream file;
file.open("cassettes.dat", ios::in);
file.seekg(0, ios::beg);
char t_Cass_name[30];

// Return the name to display at report screen if found
while (file.read((char *)this, sizeof(cassettes)))
{
if (cas_code == t_cas_code)
{
strcpy(t_Cass_name, Cass_name);
break;
}
}
file.close();
return t_Cass_name;
}

/* Function for return Comp_name of the account holder from cassettes.dat. */
char *cassettes::return_address(int t_cas_code)
{
fstream file;
file.open("cassettes.dat", ios::in);
file.seekg(0, ios::beg);
char t_Comp_name[30];

// Return the Comp_name to display at report screen if found
while (file.read((char *)this, sizeof(cassettes)))
{
if (cas_code == t_cas_code)
{
strcpy(t_Comp_name, Comp_name);
break;
}
}
file.close();
return t_Comp_name;
}

void balance::monthly_profit()
{

clrscr();
int flag;
fstream file;
gotoxy(25,1);

cout << "Monthly Profit Statement";
gotoxy(25, 2);
cout << "========================";

int d1, m1, y1;
struct date d;        // For extracting system date
getdate(&d);

d1 = d.da_day;
m1 = d.da_mon;
y1 = d.da_year;

float T_bal = 0.0;
float G_bal = 0.0;
gotoxy(55, 3);
cout << "As on Date: " << d1 << "/" << m1 << "/" << y1;

gotoxy(1, 4);
for (int j = 1; j <= 79; j++)
cout << "=";

gotoxy(1, 5);
cout << "Code #";
gotoxy(15, 5);
cout << "Total Balance";
gotoxy(40, 5);
cout << "Date";

gotoxy(50, 5);
cout << "Unit Price";

gotoxy(65, 5);
cout << "Total Amount";

gotoxy(1, 6);
for (j = 1; j <= 79; j++)
cout << "=";

file.open("Tbal.dat", ios::in);
file.seekg(0,ios::beg);
int row = 7;

float cod1=0.0;
float cod2=0.0;
float cod3=0.0;
// Reads all the records to display on the screen
while (file.read((char *)this, sizeof(balance)))
{
flag = 0;
if (cas_code == 1)
cod1 = price;
else
if (cas_code == 2)
cod2 = price;
else
cod3 = price;
T_bal = cas_bal * price;
delay(2);
gotoxy(3, row);
cout << cas_code;
gotoxy(20, row);
cout << cas_bal;
gotoxy(40, row);
cout << dd <<"-"<< mm << "-" << yy;
gotoxy(53, row);
cout << setw(15)
<< setprecision(2)
<< setiosflags(ios::left)
<< setiosflags(ios::showpoint)
<< setiosflags(ios::fixed)
<< price;
G_bal = G_bal + T_bal;

gotoxy(68, row);
cout << setw(15)
<< setprecision(2)
<< setiosflags(ios::left)
<< setiosflags(ios::showpoint)
<< setiosflags(ios::fixed)
<< T_bal;
T_bal = 0.0;
row++;
if (row > 23)
{
flag = 1;
row = 6;
gotoxy(4, 24);
cout << "Press any key to continue.... ";
getch();
clrscr();
}
}

gotoxy(1, row);
for (j = 1; j <= 79; j++)
cout << "=";
row++;
gotoxy(50, row);
cout << "Grand Total";
gotoxy(68, row);
cout << setw(15)
<< setprecision(2)
<< setiosflags(ios::left)
<< setiosflags(ios::showpoint)
<< setiosflags(ios::fixed)
<< G_bal;

file.close();
row++;
float saltotal = 0.0;
account a;
saltotal = a.sales_status(m1, y1, cod1, cod2, cod3);    // Will display the sales status
row++;

gotoxy(1, row);
for (j = 1; j <= 79; j++)
cout << "=";
row++;
gotoxy(5, row);
cout << "This month's Sales Amount";
gotoxy(50, row);
cout << setw(15)
<< setprecision(2)
<< setiosflags(ios::left)
<< setiosflags(ios::showpoint)
<< setiosflags(ios::fixed)
<< saltotal;

float gother = 0.0;
other oth;
gother =  oth.other_status(m1, y1);
row = row + 2;
gotoxy(5, row);
cout << "Other expenses ";
gotoxy(50, row);
cout << setw(15)
<< setprecision(2)
<< setiosflags(ios::left)
<< setiosflags(ios::showpoint)
<< setiosflags(ios::fixed)
<< gother;


row++;

gotoxy(1, row);
for (j = 1; j <= 79; j++)
cout << "=";
row++;
gotoxy(5, row);
cout << "Net Profit";

float net_bal = 0.0;
net_bal = (G_bal + saltotal) - gother;
gotoxy(50, row);
cout << setw(15)
<< setprecision(2)
<< setiosflags(ios::left)
<< setiosflags(ios::showpoint)
<< setiosflags(ios::fixed)
<< net_bal;

if (!flag)
{
gotoxy(4, 24);
cout << "Press any key to continue...";
getch();
}
getch();
}

// Function to find the sales total value
float account::sales_status(int m1, int y1, float cod1, float cod2, float cod3)
{
fstream file;
file.open("Person.dat", ios::in);
file.seekg(0,ios::beg);
// Reads all the records to display on the screen
float ts = 0.0;
float gts = 0.0;
while (file.read((char *)this, sizeof(account)))
{
if ((m1 == mm) && (y1 == yy))
{
if (cas_code == 1)
ts = No_cass * cod1;
else
if (cas_code == 2)
ts = No_cass * cod2;
else
ts = No_cass * cod3;
gts = gts + ts;
ts = 0;
}
}
file.close();
return gts;
}

// Function to find the other status
float other::other_status(int m1, int y1)
{
fstream file;
file.open("other.dat", ios::in);
file.seekg(0,ios::beg);
// Reads all the records to display on the screen
float goth = 0.0;
while (file.read((char *)this, sizeof(other)))
{
if ((m1 == mm) && (y1 == yy))
{
goth = goth + amount;
}
}
file.close();
return goth;
}

// Function to display the balance cassette in music shop

void balance::balance_cassette(void)
{

clrscr();
int flag;
fstream file;
gotoxy(25,1);

cout << "List of Balance Cassettes";
gotoxy(25, 2);
cout << "=========================";
int d1, m1, y1;
struct date d;        // For extracting system date
getdate(&d);
d1 = d.da_day;
m1 = d.da_mon;
y1 = d.da_year;

float T_bal = 0.0;
float G_bal = 0.0;
gotoxy(55, 3);
cout << "As on Date: " << d1 << "/" << m1 << "/" << y1;

gotoxy(1, 4);
for (int j = 1; j <= 79; j++)
cout << "=";

gotoxy(1, 5);
cout << "Code #";
gotoxy(15, 5);
cout << "Total Balance";
gotoxy(40, 5);
cout << "Date";

gotoxy(50, 5);
cout << "Unit Price";

gotoxy(65, 5);
cout << "Total Amount";

gotoxy(1, 6);
for (j = 1; j <= 79; j++)
cout << "=";

file.open("Tbal.dat", ios::in);
file.seekg(0,ios::beg);
int row = 7;

// Reads all the records to display on the screen
while (file.read((char *)this, sizeof(balance)))
{
flag = 0;
T_bal = cas_bal * price;
delay(2);
gotoxy(3, row);
cout << cas_code;
gotoxy(20, row);
cout << cas_bal;
gotoxy(40, row);
cout << dd <<"-"<< mm << "-" << yy;
gotoxy(53, row);
cout << setw(15)
<< setprecision(2)
<< setiosflags(ios::left)
<< setiosflags(ios::showpoint)
<< setiosflags(ios::fixed)
<< price;
G_bal = G_bal + T_bal;

gotoxy(68, row);
cout << setw(15)
<< setprecision(2)
<< setiosflags(ios::left)
<< setiosflags(ios::showpoint)
<< setiosflags(ios::fixed)
<< T_bal;
T_bal = 0.0;
row++;
if (row > 23)
{
flag = 1;
row = 6;
gotoxy(4, 24);
cout << "Press any key to continue.... ";
getch();
clrscr();
}
}

gotoxy(1, row);
for (j = 1; j <= 79; j++)
cout << "=";
row++;
gotoxy(50, row);
cout << "Grand Total";
gotoxy(68, row);
cout << setw(15)
<< setprecision(2)
<< setiosflags(ios::left)
<< setiosflags(ios::showpoint)
<< setiosflags(ios::fixed)
<< G_bal;

file.close();
if (!flag)
{
gotoxy(4, 24);
cout << "Press any key to continue...";
getch();
}
getch();
}

/* Function for recording the new cassettes in shop */
void cassettes::new_cassettes(void)
{
char ch;
int i, valid;
clrscr();

// Declaring the class objects for different operations with
// member functions

account a;
balance bal;
cassettes ini;

shape s;
s.box(2, 1, 79, 25, 218);
s.box(25, 2, 54, 4, 219);

gotoxy(65, 2);
cout << "<0>=Exit";

gotoxy(3,3);
for (i = 1; i<= 76; i++)
cprintf(" ");
textbackground(BLACK);
textcolor(BLACK+BLINK);
textbackground(WHITE);
gotoxy(30, 3);
cprintf("Add New Cassette");
textcolor(LIGHTGRAY);
textbackground(BLACK);
int d1, m1, y1;        // Declare the variable for purchase date of cassette
struct date d;        // For extracting system date

getdate(&d);        // Extract the system.date
d1 = d.da_day;
m1 = d.da_mon;
y1 = d.da_year;

// Declaring the temporary variables for cassette entry

char c_code[10];

int t_cas_code;
char t_Cass_name[30];
char t_Comp_name[30];
int t_cas;
int tdd, tmm, tyy;
float t_price;

t_cas_code = ini.last_cas_code();

// Appends and deletes a false record
// to create primary position in data files
if (t_cas_code == 0)
{
ini.add_to_file(t_cas_code, "abc", "xyz", 1, 1, 1, 1, 1.1);
ini.delete_cassette(t_cas_code);
bal.add_to_file(t_cas_code, 0, 0, 0, 0, 0.0);
bal.delete_balance(t_cas_code);
}

gotoxy(4, 6);
cout << "Date: " << d1 << '/' << m1 << '/' << y1;

gotoxy(5, 8);
cout << "Cassette Code # ";
gotoxy(5, 10);
cout << "Cassette Name : ";
gotoxy(5, 12);
cout << "Company Name : ";
gotoxy(5, 14);
cout << "Total Cassettes: ";
gotoxy(5, 16);
cout << "Individual Cassette price : ";
gotoxy(5, 18);
cout << "Enter the Date ";

// Steps to enter the cassette code either 1 - 2 - 3.
do
{
a.clear(22, 8);
a.clear(5, 23);        // Clears the buttom message
gotoxy(5, 23);
cout << "Enter cassettes Code either 1/2/3 ";
valid = 1;
gotoxy(22, 8);
gets(c_code);
t_cas_code = atoi(c_code);

if (t_cas_code <= 0)
{
valid = 0;
a.clear(5, 23);
gotoxy(5, 23);
cprintf("\7Should not other than 1, 2, 3");
getch();
gotoxy(5, 23);
cout << "Enter cassettes Code either 1/2/3 ";

}
} while (!valid);
a.clear(5, 23);

// Steps to enter the Cassette name
do
{
a.clear(22, 10);
a.clear(5, 23);
gotoxy(5, 23);
cout << "Enter Name of the Cassette";
valid = 1;
gotoxy(22, 10);
gets(t_Cass_name);
strupr(t_Cass_name);
if (t_Cass_name[0] == '0')
return;
if (strlen(t_Cass_name) == 0 || strlen(t_Cass_name) > 25)
{
valid = 0;
gotoxy(5, 23);
cprintf("\7Cassette Name should not greater than 25");
getch();
}
}while (!valid);
a.clear(5, 23);

// Steps to enter company name
do
{
a.clear(22, 12);
a.clear(5, 23);
gotoxy(5, 23);
cout << "Enter Company Name ";
valid = 1;
gotoxy(22, 12);
gets(t_Comp_name);
strupr(t_Comp_name);
if (t_Comp_name[0] == '0')
return;
if (strlen(t_Comp_name) == 0 || strlen(t_Comp_name) > 25)
{
valid = 0;
gotoxy(5, 23);
cprintf("\7Company Name should not greater than 25");
getch();
}
}while (!valid);
a.clear(5, 23);

// Steps to enter the total cassettes purchased
do
{
a.clear(22, 14);
a.clear(5, 23);
gotoxy(5, 23);
cout << "Enter Total number of cassettes purchased";
valid = 1;
gotoxy(22, 14);
gets(c_code);
t_cas = atoi(c_code);
if (t_cas == 0)
{
valid = 0;
a.clear(5, 23);
gotoxy(5, 23);
cprintf("\7Enter valid cassette number");
getch();
gotoxy(5, 23);
cout << "Enter Total number of cassettes purchased";

}
}while (!valid);
a.clear(5, 23);

// Steps to enter the cassette/price
do
{
a.clear(35, 16);
a.clear(5, 23);
gotoxy(5, 23);
cout << "Enter individual cassette price";
valid = 1;
gotoxy(35, 16);
gets(c_code);
t_price = atof(c_code);
if (t_price <= 0)
{
valid = 0;
gotoxy(5, 23);
cprintf("\7Enter valid price for cassette");
getch();
}
}while (!valid);
a.clear(5, 23);

// Steps to enter the purchase date
a.clear(22, 18);
a.clear(5, 23);
gotoxy(5, 23);
cout << "Enter date on which the cassette is purchase";
valid = 1;
gotoxy(22, 18);
cin >> tdd;
gotoxy(25, 18);
cout << "-";
gotoxy(26, 18);
cin >> tmm;
gotoxy(28, 18);
cout << "-";
gotoxy(29, 18);
cin >> tyy;
a.clear(5, 23);

do
{
a.clear(5, 20);
valid = 1;
gotoxy(5, 20);
cout << "Do you want to save the record <Y/N>: ";
ch = getche();
if (ch == '0')
return;
ch = toupper(ch);
}while (ch != 'N' && ch != 'Y');

if (ch == 'N')
return;

// Appends the records contents into
// both cassettes.dat and person.dat data files
ini.add_to_file(t_cas_code, t_Cass_name, t_Comp_name,
t_cas, tdd, tmm, tyy, t_price);

bal.add_to_file(t_cas_code, t_cas, tdd, tmm, tyy, t_price);
}

/* This function update_balance() is used to update the
balance cassette in Tbal.dat data file */

void balance::Update_balance(int t_cas_code,
int t_cas, int tdd, int tmm, int tyy, float t_price)
{
int bal = give_balance(t_cas_code);

if (bal > 0)
{
fstream file;
file.open("Tbal.dat", ios::in);
fstream temp;
temp.open("TEMP.dat", ios::out);
file.seekg(0,ios::beg);

// Uses a copy method to delete the account from Tbal.dat data file
while (!file.eof())
{
file.read((char *)this, sizeof(balance));
if (file.eof())
break;
if (cas_code != t_cas_code)
temp.write((char *)this, sizeof(balance));
else
{
cas_code = t_cas_code;
cas_bal = bal - t_cas;
dd = tdd;
mm = tmm;
yy = tyy;
price = t_price;
temp.write((char *)this, sizeof(balance));
}
}

file.close();
temp.close();
file.open("Tbal.dat", ios::out);
temp.open("TEMP.dat", ios::in);
temp.seekg(0, ios::beg);

// Copy the TEMP.dat contents into Tbal.dat data file
while (!temp.eof())
{
temp.read((char *)this, sizeof(balance));
if (temp.eof())
break;
file.write((char *)this, sizeof(balance));
}

file.close();
temp.close();
}
else
{
cas_code = t_cas_code;
cas_bal = t_cas;
dd = tdd;
mm = tmm;
yy = tyy;
price = t_price;
fstream file;

// Appends new account record with the price
// into cassettes.dat data file
file.open("Tbal.dat", ios::out|ios::app);
file.write((char *)this, sizeof(balance));

file.close();
}
}


/* Function for creating new account for new customer. */
void account::new_account(void)
{
char ch;
int i, valid;
clrscr();
balance bal;

shape s;
s.box(2, 1, 79, 25, 218);
s.box(25, 2, 54, 4, 219);

gotoxy(65, 2);
cout << "<0>=Exit";

gotoxy(3,3);
for (i = 1; i<= 76; i++)
cprintf(" ");
textbackground(BLACK);
textcolor(BLACK+BLINK);
textbackground(WHITE);
gotoxy(30, 3);
cprintf("Sales of Cassettes");
textcolor(LIGHTGRAY);
textbackground(BLACK);
int d1, m1, y1;
struct date d;        // For extracting system date
getdate(&d);
d1 = d.da_day;
m1 = d.da_mon;
y1 = d.da_year;
int t_cas_code;

int C_bal = 0;
float t_price;
char c_code[2];
char tP_name[30];    // Person Name
char tP_address[30];    // Person Address
int tNo_cass;        // Number of cassette

t_cas_code = last_cas_code();

// Appends and deletes a false record to create
// primary position in data files
if (t_cas_code == 0)
{
add_to_file(t_cas_code, "xxxx", "xxxxx", 1, 1, 1, 1);
delete_account(t_cas_code);
}

gotoxy(5, 6);
cout << "Date: " << d1 << '/' << m1 << '/' << y1;
gotoxy(5, 8);
cout << "Cassette Code ";
gotoxy(5, 10);
cout << "Name of Person : ";
gotoxy(5, 12);
cout << "Address : ";

gotoxy(5, 14);
cout << "Total Cassette : ";

// Steps to enter the cassette code either 1 - 2 - 3.
do
{
clear(22, 8);
clear(5, 23);        // Clears the buttom message
gotoxy(5, 23);
cout << "Enter cassettes Code either 1/2/3 ";
valid = 1;
gotoxy(22, 8);
gets(c_code);
t_cas_code = atoi(c_code);

if (t_cas_code <= 0)
{
valid = 0;
clear(5, 23);
gotoxy(5, 23);
cprintf("\7Should not other than 1, 2, 3");
getch();
gotoxy(5, 23);
cout << "Enter cassettes Code either 1/2/3 ";
}
else
{
C_bal = bal.give_balance(t_cas_code);
t_price = bal.return_price(t_cas_code);
if (C_bal > 0)
{
gotoxy(40, 8);
cout << "Total cassettes in Shop : " << C_bal;
break;
}
else
{
cout << "There is no cassette in shop";
return;
}
}
} while (!valid);
clear(5, 23);

// Steps to enter the name of the purchase person
do
{
clear(22, 10);
clear(5, 23);
gotoxy(5, 23);
cout << "Enter Name of the Person";
valid = 1;
gotoxy(22, 10);
gets(tP_name);
strupr(tP_name);
if (tP_name[0] == '0')
return;
if (strlen(tP_name) == 0 || strlen(tP_name) > 25)
{
valid = 0;
gotoxy(5, 23);
cprintf("\7Name should not greater than 25");
getch();
clear(5, 23);
}

}while (!valid);
clear(5, 23);

// Steps to enter the address of the purchase person
do
{
clear(22, 12);
clear(5, 23);
gotoxy(5, 23);
cout << "Enter Name of the Person";
valid = 1;
gotoxy(22, 12);
gets(tP_address);
strupr(tP_address);
if (tP_address[0] == '0')
return;
if (strlen(tP_address) == 0 || strlen(tP_address) > 25)
{
valid = 0;
gotoxy(5, 23);
cprintf("\7Address should not greater than 25");
getch();
clear(5, 23);
}

}while (!valid);
clear(5, 23);

do
{
clear(22, 14);
clear(5, 23);
gotoxy(5, 23);
cout << "No. of cassette ";
valid = 1;
gotoxy(22, 14);
cin >> tNo_cass;
if (tNo_cass > C_bal)
{
valid = 0;
gotoxy(5, 23);
cprintf("\7The availability of cassette is not sufficient");
getch();
}
}while (!valid);
clear(5, 23);

do
{
clear(5, 17);
valid = 1;
gotoxy(5, 17);
cout << "Do you want to save the record <Y/N>: ";
ch = getche();
if (ch == '0')
return;
ch = toupper(ch);
}while (ch != 'N' && ch != 'Y');

if (ch == 'N')
return;

// Updates the new balance after deducting the current sales

// Appends the records contents into both person.dat data files
add_to_file(t_cas_code, tP_name, tP_address, tNo_cass, d1, m1,  y1);

bal.Update_balance(t_cas_code, tNo_cass, d1, m1, y1, t_price);
}

/* Function for enter the other expences in other.dat data file. */
void other::Expense_other(void)
{
char ch;
int i, valid;
clrscr();
account a;

shape s;
s.box(2, 1, 79, 25, 218);
s.box(25, 2, 54, 4, 219);

gotoxy(65, 2);
cout << "<0>=Exit";
gotoxy(3,3);
for (i = 1; i<= 76; i++)
cprintf(" ");
textbackground(BLACK);
textcolor(BLACK+BLINK);
textbackground(WHITE);
gotoxy(30, 3);
cprintf("Other Expence in Shop");
textcolor(LIGHTGRAY);
textbackground(BLACK);
int d1, m1, y1;
struct date d;        // For extracting system date
getdate(&d);
d1 = d.da_day;
m1 = d.da_mon;
y1 = d.da_year;

char c_code[2];
int tO_code;        // Other expence code
char tNat_Expen[30];    // Nature of expense description
float tamount;    // Expense amount

gotoxy(5, 6);
cout << "Date: " << d1 << '/' << m1 << '/' << y1;
gotoxy(5, 8);
cout << "Expense Code ";
gotoxy(5, 10);
cout << "Nature of Expense : ";
gotoxy(5, 12);
cout << "Amount : ";

// Steps to enter the other expense code
do
{
a.clear(22, 8);
a.clear(5, 23);        // Clears the buttom message
gotoxy(5, 23);
cout << "Enter Expense code Code either 1/2/3/4 ";
valid = 1;
gotoxy(22, 8);
gets(c_code);
tO_code = atoi(c_code);

if (tO_code <= 0)
{
valid = 0;
a.clear(5, 23);
gotoxy(5, 23);
cprintf("\7Expence code should not other than 1/2/3/4");
getch();
gotoxy(5, 23);
cout << "Enter other expense Codes either 1/2/3/4 ";
}
} while (!valid);
a.clear(5, 23);

// Steps to enter the nature of expense
do
{
a.clear(22, 10);
a.clear(5, 23);
gotoxy(5, 23);
cout << "Enter the Nature of expense";
valid = 1;
gotoxy(22, 10);
gets(tNat_Expen);
strupr(tNat_Expen);
if (tNat_Expen[0] == '0')
return;
if (strlen(tNat_Expen) == 0 || strlen(tNat_Expen) > 25)
{
valid = 0;
gotoxy(5, 23);
cprintf("\7Nature of expense not greater than 25");
getch();
a.clear(5, 23);
}

}while (!valid);
a.clear(5, 23);

gotoxy(22, 12);
cin >> tamount;

do
{
a.clear(5, 17);
valid = 1;
gotoxy(5, 17);
cout << "Do you want to save the record <Y/N>: ";
ch = getche();
if (ch == '0')
return;
ch = toupper(ch);
}while (ch != 'N' && ch != 'Y');

if (ch == 'N')
return;

// Appends the records contents into both person.dat data files
if (tamount > 0)
add_to_file(tO_code, tNat_Expen, d1, m1,  y1, tamount);
}

/* Function for returning the record no. for updating price */
int cassettes::recordno(int t_cas_code)
{
fstream file;
file.open("cassettes.dat", ios::in);
file.seekg(0, ios::beg);
int count = 0;

// Finds the record position in cassettes.dat data file
while (file.read((char *)this, sizeof(cassettes)))
{
count++;
if (t_cas_code == cas_code)
break;
}
file.close();
return count;
}

/* Function for closing any account after inputing account number. */
void account::close_account(void)
{
clrscr();
char t_acc[10];
int t, t_cas_code;
gotoxy(71, 1);
cout << "<0>=Exit";
gotoxy(5, 5);
cout << "Enter the account no. ";
gets(t_acc);
t = atoi(t_acc);
t_cas_code = t;
if (t_cas_code == 0)
return;
clrscr();
cassettes ini;
balance bal;

if (!bal.give_balance(t_cas_code))
{
gotoxy(5, 5);
cout << "\7Account not found ";
getch();
return;
}
gotoxy(71, 1);
cout << "<0>=Exit";
gotoxy(3, 3);
textbackground(WHITE);
for (int i = 1; i <= 76; i++)
cprintf(" ");
textbackground(BLACK);
textcolor(BLACK+BLINK);
textbackground(WHITE);
gotoxy(30, 3);
cprintf("Close account screen");
textcolor(LIGHTGRAY);
textbackground(BLACK);
int d1, m1, y1;
struct date d;
getdate(&d);
d1 = d.da_day;
m1 = d.da_mon;
y1 = d.da_year;
gotoxy(5, 6);
cout << "Date: " << d1 << "/" << m1 << "/" << y1;
char ch;

ini. display(t_cas_code);

do
{
clear(5, 15);
gotoxy(5, 15);
cout << "Close this account <y/n?? ";
ch = getche();
if (ch == '0')
return;
ch = toupper(ch);
}while (ch != 'N' && ch != 'Y');

if (ch == 'N')
return;

// Function calls to delete the existing account no.
ini.delete_cassette(t_cas_code);
delete_account(t_cas_code);
gotoxy(5, 20);
cout << "\7Account Deleted";
gotoxy(5, 23);
cout << "Press any key to continue...";
getch();
}

// Main program logic which control the class members and member functions.
void main(void)
{
main_menu  m_menu;
int gdriver = DETECT, gmode, errorcode;
initgraph(&gdriver, &gmode, "c:\\tc\\bgi");

m_menu.help();
closegraph();
m_menu.control_menu();
}