// Computerised Billing System
//----------------------------------------------------------------------------
// Header Files Included
//----------------------------------------------------------------------------
#include<stdio.h>
#include<dos.h>
#include<string.h>
#include<fstream.h>
#include<ctype.h>
#include<graphics.h>
#include<conio.h>
//Function prototype declaration
void products_enter();
void members_enter();
void readp();
void readm();
void billing();
void sales();
void modifyp();
void modifym();
void instructions();
//----------------------------------------------------------------------------
// Function for GRAPHICS slide (cover page)
//----------------------------------------------------------------------------
int gmode,gdriver,r;
//----------------------------------------------------------------------------
// Structure for the products' records
//----------------------------------------------------------------------------
struct products_record
{
float rate;
int stock;
int no;
char name[20];
}; //end of structure
//Global variable
products_record ob1,ob2; //declaring objects of the structure
fstream pro1,pro2; //declaring a file stream
//----------------------------------------------------------------------------
// Structure for members' records
//----------------------------------------------------------------------------
struct members_record
{
int no;
char name[20];
char add[50];
long int tel;
long int card;
float amt ;
}; //end of structure
members_record m1,m2; //creating objects
fstream mem1,mem2; //declaring streams;
//----------------------------------------------------------------------------
//structure for store opertaions
//----------------------------------------------------------------------------
struct tables
{
int no;
int qty;
char name[20];
float rate;
float total;
};
tables n1,n2;
int i=0;
float discount=0.0;
//Welcome screen of computerized billing system
void welcome()
{
gdriver=DETECT; //request auto detection
initgraph(&gdriver,&gmode,"c:\\turboc3\\bgi"); //initialising graph
/* read result of initialization */
int errorcode = graphresult();
if (errorcode != grOk) /* an error occurred */
{
printf("Graphics error: %s\n", grapherrormsg(errorcode));
printf("Press any key to halt:");
getch();
return;
}
setbkcolor(7);
setcolor(15);
settextstyle(SANS_SERIF_FONT,HORIZ_DIR,5);
settextstyle(7,HORIZ_DIR,7);
moveto(60,100);
outtext("COMPUTERISED");
moveto(160,210);
outtext("BILLING ");
moveto(160,320);
outtext("SYSTEM");
delay(1000);
setcolor(7);
int i=0;
while(i<=2*getmaxx()-460)
{
line(0,i,i,0);
i++;
delay(15);
}
setcolor(RED);
sound(1450);
delay(20);
sound(600);
for (r=150;r<230;r+=15)
{
circle (315,239,r);
sound(350+2*r);
delay(19);
sound(1250);
}
settextstyle(8,HORIZ_DIR,1);
setcolor(LIGHTGREEN);
sound(500);
delay(5);
moveto(245,160);
outtext("Copyright (C)");
sound(400);
delay(23);
moveto(185,180);
sound(350);
delay(50);
sound(100);
outtext("SIMARPREET SINGH");
moveto(240,200);
sound(250);
delay(40);
outtext("2017-2018 ");
moveto(210,220);
outtext("All Rights Reserved");
sound(400);
moveto(185,240);
outtext("Code by: SIMARPREET SINGH");
sound(450);
moveto(185,260);
delay(20);
sound(600);
delay(30);
outtext("Email:
[email protected]");
nosound();
moveto(10,450);
cin.get();
closegraph(); //closing graphics screen
}
//----------------------------------------------------------------------------
// Function for screen setting
//----------------------------------------------------------------------------
void border()
{
clrscr();
textcolor(WHITE);
for (int i=2;i<80;i++) //drawing horizontal lines
{
gotoxy(i,3);
cprintf("-");
gotoxy(i,23);
cprintf("-");
}
for (i=4;i<23;i++) //drawing vertical lines
{
gotoxy(2,i);
cprintf("|");
gotoxy(79,i);
cprintf("|");
}
}
//----------------------------------------------------------------------------
// Main program
//----------------------------------------------------------------------------
void main()
{
clrscr();
void highvideo(); //setting the intensity of text charaters to high
welcome(); // calling the function for making the cover page
remove("sale.dat");
int n;
char l='y';
do
{
textcolor(LIGHTGREEN);
border(); //making the border of the screen
textcolor(LIGHTGREEN);
gotoxy(30,5);
cprintf("MAIN MENU");
for (int z=29;z<=40;z++)
{
gotoxy(z,6);
cprintf("-");
}
gotoxy(20,7);
cprintf("1:ADD NEW PRODUCTS");
gotoxy(20,8);
cprintf("2:ADD NEW MEMBERS");
gotoxy(20,9);
cprintf("3:VIEW AN EXISTING PRODUCT RECORD ");
gotoxy(20,10);
cprintf("4:VIEW AN EXISTING MEMBER'S RECORD ");
gotoxy(20,11);
cprintf("5:BILLING ");
gotoxy(20,12);
cprintf("6:TODAY'S SALES ");
gotoxy(20,13);
cprintf("7:MODIFY PRODUCT RECORD ");
gotoxy(20,14);
cprintf("8:MODIFY MEMBER'S RECORD ");
gotoxy(20,15);
cprintf("9:INSTRUCTIONS ");
gotoxy(20,16);
cprintf("0:EXIT");
gotoxy(20,19);
cprintf("Enter your choice:");
cin>>n;
switch(n)
{
case 1: products_enter();
break;
case 2: members_enter();
break;
case 3: readp();
break;
case 4: readm();
break;
case 5: billing();
break;
case 6: sales();
break;
case 7: modifyp();
break;
case 8: modifym();
break;
case 9: instructions();
break;
case 0: l='n';
}
} while (l=='y');
clrscr();
}
//----------------------------------------------------------------------------
// Function for getting the products' records
//----------------------------------------------------------------------------
void products_enter()
{
int q=0;
char l='y';
pro1.open("products.dat",ios::in); //opening file in stream
pro1.seekg(0,ios::end); //determining end of file
q=pro1.tellg()/sizeof(products_record); //finding size of file
q+=1255;
pro1.close();
pro1.open("products.dat" ,ios::app);
do
{
textcolor(LIGHTBLUE);
clrscr();
border();
textcolor(LIGHTBLUE);
gotoxy(28,2);
cprintf("ENTERING PRODUCT RECORDS ");
gotoxy(15,6);
cprintf("Name :");
gets(ob1.name);
if (!ob1.name[0]) //to undo entering if name is not entered
return;
gotoxy(15,7);
cprintf("Stock :");
cin>>ob1.stock;
gotoxy(15,8);
cprintf("Rate (Rs.):");
cin>>ob1.rate;
ob1.no = q++;
gotoxy(15,9);
cprintf("Number :");
cout<<ob1.no;
pro1.write((char*)&ob1,sizeof(products_record));
gotoxy(10,15);
cprintf("Do you want to enter more (Y/N) ");
l=getch();
} while (tolower(l)=='y');
pro1.close();
}
//--------------------------------------------------------------
//Function for searching in the file
//--------------------------------------------------------------
products_record products_search(int no)
{
fstream pro1; //declaring stream
pro1.open("products.dat" ,ios::in||ios::nocreate); //opening the file
while(pro1)
{
pro1.read((char*)&ob1,sizeof(products_record));
//reading from file
if (ob1.no==no)
return ob1; //returning the searched record
}
pro1.close();
ob1.no=0;
return ob1;
}
//----------------------------------------------------------------------------
//Function for modifying records
//----------------------------------------------------------------------------
void products_modify(int no)
{
ob2.no=0;
pro1.open("products.dat",ios::in); //opening the file
pro2.open("product1.dat",ios::app); //opening another file
pro1.seekg(0,ios::beg); //locating beggining of file
pro1.read((char*)&ob1,sizeof(products_record));
//reading from file
while (!pro1.eof() ) //testing for end of file
{
if (ob1.no!=no )
pro2.write((char*)&ob1,sizeof(products_record));
//writing in file
else
ob2=ob1;
pro1.read((char*)&ob1,sizeof(products_record));
//reading from file
}
//displaying previous reccords and entering new records
if (ob2.no)
{
gotoxy(13,7);
cprintf("CURRENT RECORDS ARE ");
gotoxy(15,8);
cprintf("NAME :");
puts(ob2.name);
gotoxy(15,9);
cprintf("RATE :(Rs.)");
cout<<ob2.rate;
gotoxy(15,10);
cprintf("STOCK :");
cprintf("%d",ob2.stock);
gotoxy(13,12);
cprintf("ENTER NEW PRODUCT RECORDS");
gotoxy(15,13);
cprintf("NAME :");
ob1.no=ob2.no;
gets(ob1.name);
if (!isalnum(ob1.name[0])) //testing for an entry
strcpy(ob1.name,ob2.name); //retaining previous name when no entry
gotoxy(15,14);
cprintf("RATE :(Rs.)");
cin>>ob1.rate;
if (!ob1.rate)
ob1.rate=ob2.rate;
gotoxy(15,15);
cprintf("STOCK :");
cin>>ob1.stock;
if (!ob1.stock)
ob1.stock=ob2.stock;
pro2.write((char*)&ob1,sizeof(products_record)); //writing in file
}
else
{
gotoxy(20,9);
cprintf("NO ENTRY\a");
}
pro1.close(); //closing file
pro2.close(); //closing file
remove ("products.dat"); //deleting file
rename ("product1.dat","products.dat"); //renaming file
}
//----------------------------------------------------------------------------
// Function to enter members' records
//----------------------------------------------------------------------------
void members_enter()
{
int m;
char l='y';
//determining number of enteries in the file
mem1.open("members.dat",ios::in);
mem1.seekg(0,ios::end);
m=mem1.tellg()/sizeof(members_record);
mem1.close();
m+=10;
clrscr();
mem1.open("members.dat",ios::app); //opening file
do
{
textcolor(LIGHTCYAN);
clrscr();
border();
textcolor(LIGHTCYAN);
gotoxy(28,2);
cprintf("ENTERING MEMBER RECORDS ");
gotoxy(15,6);
cprintf("Name :");
gets(m1.name);
if (!m1.name[0])
return; //undo entering when no name is entered
gotoxy(15,7);
cprintf("Card number :");
cin>>m1.card;
gotoxy(15,8);
cprintf("Address :");
gets(m1.add);
gotoxy(15,9);
cprintf("Tel. :");
cin>>m1.tel;
gotoxy(15,10);
cprintf("Amount Deposited (Rs.):");
cin>>m1.amt;
if (m1.amt<=100)
{
gotoxy(15,11);
cprintf("Amount less\a");
gotoxy(15,12);
cprintf("Try Again");
goto end;
}
m1.no = m++;
gotoxy(15,11);
cprintf("Membership number :");
cout<<m1.no;
mem1.write((char*)&m1,sizeof(members_record)); //writing in file
end:
gotoxy(10,15);
cprintf("Do you want to enter more (Y/N) ");
l=getch();
} while (tolower(l)=='y');
mem1.close();
}
//----------------------------------------------------------------------------
// Function for searching in the file
//----------------------------------------------------------------------------
members_record members_search(int no)
{
fstream mem2; //declaring stream
mem2.open("members.dat",ios::in); //opening file
while (mem2)
{
mem2.read((char*)&m1,sizeof(members_record)); //reading from file
if (m1.no==no)
return m1; //returning the searched record
}
mem2.close();
m1.no=0;
return m1;
}
//----------------------------------------------------------------------------
// Function to modify members' records
//----------------------------------------------------------------------------
void members_modify(int no)
{
m2.no=0;
mem1.open("members.dat",ios::in); //opening a file
mem2.open("member1.dat",ios::app); //opening another file
mem1.seekg(0,ios::beg);
mem1.read((char*)&m1,sizeof(members_record));
while (!mem1.eof()) //testing for end of file
{
if (m1.no!=no)
mem2.write((char*)&m1,sizeof(members_record));
else
m2=m1;
mem1.read((char*)&m1,sizeof(members_record));
}
//displaying current records and entering new records
if (m2.no)
{
gotoxy(13,7);
cprintf("CURRENT RECORDS ARE ");
gotoxy(15,8);
cprintf("NAME :");
puts(m2.name);
gotoxy(15,9);
cprintf("CARD NUMBER :");
cout<<m2.card;
gotoxy(15,10);
cprintf("ADDRESS :");
puts(m2.add);
gotoxy(15,11);
cprintf("TELEPHONE :");
cout<<m2.tel;
gotoxy(15,12);
cprintf("AMOUNT :(Rs.)");
cout<<m2.amt;
gotoxy(13,14);
cprintf("ENTER NEW RECORDS");
gotoxy(15,15);
cprintf("NAME :");
m1.no=m2.no;
gets(m1.name);
if (!m1.name[0])
strcpy(m1.name,m2.name);
gotoxy(15,16);
cprintf("ADDRESS :");
gets(m1.add);
if (!m1.add[0])
strcpy(m1.add,m2.add);
gotoxy(15,17);
cprintf("CARD NUMBER :");
cin>>m1.card;
if (!m1.card)
m1.card=m2.card;
gotoxy(15,18);
cprintf("TELEPHONE :");
cin>>m1.tel;
if (!m1.tel)
m1.tel=m2.tel;
gotoxy(15,19);
cprintf("AMOUNT ADDED :(Rs.)");
cin>>m1.amt;
m1.amt+=m2.amt;
mem2.write((char*)&m1,sizeof(members_record));
}
else
{
gotoxy(20,10);
cprintf("NO ENTRY\a");
}
mem1.close(); //closing file
mem2.close(); //closing file
remove ("members.dat"); //removing file
rename ("member1.dat","members.dat"); //renaming file
}
//----------------------------------------------------------------------------
// Function for reading product records
//----------------------------------------------------------------------------
void readp()
{
char l='y';
do
{
textcolor(LIGHTBLUE);
clrscr();
border();
textcolor(LIGHTBLUE);
gotoxy(28,2);
cprintf("VIEWING PRODUCT RECORDS ");
gotoxy(15,6);
cprintf("Enter product number:");
int no;
cin>>no;
ob1=products_search(no); //calling for search in the file
// displaying records
if (ob1.no)
{
gotoxy(18,9);
cprintf("The record is");
gotoxy(20,10);
cprintf(" Number :");
cout<<ob1.no;
gotoxy(20,11);
cprintf(" Stock :");
cout<<ob1.stock;
gotoxy(20,12);
cprintf(" Name : ");
puts(ob1.name);
gotoxy(20,13);
cprintf(" Rate :(Rs.)");
cout<<ob1.rate;
}
else
{
gotoxy(20,10);
cprintf("NO ENTRY \a");
}
gotoxy(15,16);
cprintf("Any more records desired (Y/N)");
l=getch();
} while(tolower(l)=='y');
}
//----------------------------------------------------------------------------
// Function to pruduce screen for 'modify product records'
//----------------------------------------------------------------------------
void modifyp()
{
char l='y';
do
{
textcolor(LIGHTBLUE);
clrscr();
border();
textcolor(LIGHTBLUE);
gotoxy(25,2);
cprintf("MODIFYING A PRODUCT RECORD");
gotoxy(15,5);
cprintf("Enter the product number:");
int no;
cin>>no;
products_modify(no); //calling for modifications
gotoxy(13,20);
cprintf("Any more modifications desired(Y/N)");
l=getch();
} while (tolower(l)=='y');
}
//----------------------------------------------------------------------------
// Function to read members' records
//----------------------------------------------------------------------------
void readm()
{
char l='y';
do
{
textcolor(LIGHTCYAN);
clrscr();
border();
textcolor(LIGHTCYAN);
gotoxy(25,2);
cprintf("VIEWING A MEMBER'S RECORD ");
gotoxy(15,6);
cprintf("Enter membership number:");
int no;
cin>>no;
m1=members_search(no); //calling for search
//displaying records
if (m1.no)
{
gotoxy(18,9);
cprintf("The record is");
gotoxy(20,10);
cprintf("Number :");
cout<<m1.no;
gotoxy(20,11);
cprintf("Name :");
puts(m1.name);
gotoxy(20,12);
cprintf("Card number :");
cout<<m1.card;
gotoxy(20,13);
cprintf("Address :");
puts(m1.add);
gotoxy(20,14);
cprintf("Telephone :");
cout<<m1.tel;
gotoxy(20,15);
cout<<"Amount :(Rs.)"<<m1.amt;
}
else
{
gotoxy(17,12);
cprintf("NO ENTRY\a ");
}
gotoxy(15,18);
cprintf("Any more records desired (Y/N)");
l=getch();
} while(tolower(l)=='y');
}
//----------------------------------------------------------------------------
// Function to display screen for 'modify members' records
//----------------------------------------------------------------------------
void modifym()
{
char l='y';
do
{
textcolor(LIGHTCYAN);
clrscr();
border();
gotoxy(25,2);
cprintf("MODIFYING MEMBER'S RECORDS ");
gotoxy(15,5);
cprintf("Enter the membership number:");
int no;
cin>>no;
members_modify(no); //calling for modifications
gotoxy(13,22);
cprintf("Any more modifications desired(Y/N)");
l=getch();
} while(tolower(l)=='y');
}
//----------------------------------------------------------------------------
// Function for creating 'sale.dat'
//----------------------------------------------------------------------------
// Function for billing
//----------------------------------------------------------------------------
void billing()
{
textcolor(LIGHTRED);
clrscr();
border();
textcolor(LIGHTRED);
fstream b1; //declaring stream
b1.open("sale.dat",ios::app); //opening file
gotoxy(30,2);
cprintf("BILLING ");
gotoxy(15,7);
cprintf("Are you a member(Y/N):");
float less=1.0;
char m;
int no;
long card;
m=getche();
if (tolower(m)=='y')
{
gotoxy(18,9);
cprintf("Enter membership number:");
cin>>no;
gotoxy(18,10);
cprintf("Enter card number:");
cin>>card;
m1=members_search(no);
if (card!=m1.card) //checking for authenticity of the details
{
gotoxy(20,12);
cprintf("Incorrect \a");
getch();
return; //undoing billing process
}
else
if (m1.amt>100)
{
less=0.95;
m1.amt-=5;
}
else
{
gotoxy(20,12);
cprintf("Amount Less\a");
gotoxy(15,15);
cprintf("Continue with normal billing(Y/N)");
m=getch();
if (tolower(m)=='n')
return;
}
//decreasing the members' amount if the details are correct
fstream t3,t4;
t3.open("members.dat",ios::in);
t4.open("member1.dat",ios::app);
t3.seekg(0,ios::beg);
t3.read((char*)&m2,sizeof(members_record));
while (!t3.eof())
{
if (m2.no!=m1.no)
t4.write((char*)&m2,sizeof(members_record));
else
t4.write((char*)&m1,sizeof(members_record));
t3.read((char*)&m2,sizeof(members_record));
}
t3.close();
t4.close();
remove("members.dat");
rename("member1.dat","members.dat");
}
clrscr();
float total=0.0;
textcolor(LIGHTGREEN);
gotoxy(60,1);
cprintf("p.no.= 0:Exit Billing");
textcolor(LIGHTRED);
gotoxy(30,1);
cprintf("BILLING");
i=0;
void table1(); //function declaration for making table
beg: //giving line a name for further reference
table1(); //calling function for making table
gotoxy(4,6+i);
cin>>n1.no;
ob1=products_search(n1.no); //searching for product record
gotoxy(56,6+i);
float output1(products_record); //declaring a nested function
if (n1.no>0)
{
if(ob1.no>0)
{
cin>>n1.qty;
strcpy(n1.name,ob1.name);
n1.rate=ob1.rate;
n1.total=output1(ob1);
total+=n1.total;
fstream t3,t4;
t3.open("sale.dat",ios::in);
t4.open("sale1.dat",ios::app);
t3.seekg(0,ios::beg);
int qty=n1.qty;
n1.qty=n1.total/n1.rate;
char test='y';
t3.read((char*)&n2,sizeof(tables));
while (!t3.eof())
{
if (n1.no==n2.no)
{
n2.qty+=n1.qty;
n2.total+=n1.total;
test='n';
}
t4.write((char*)&n2,sizeof(tables));
t3.read((char*)&n2,sizeof(tables));
}
if (test=='y')
{
t4.seekg(0,ios::end);
t4.write((char*)&n1,sizeof(tables));
}
t3.close();
t4.close();
remove("sale.dat");
rename("sale1.dat","sale.dat");
n1.qty=qty;
if (n1.total)
{
//reducing the products' stock
fstream temp3,temp4;
temp3.open("products.dat",ios::in);
temp4.open("product1.dat",ios::app);
temp3.seekg(0,ios::beg);
temp3.read((char*)&ob1,sizeof(products_record));
while (!temp3.eof())
{
if (ob1.no==n1.no)
ob1.stock-=n1.qty;
temp4.write((char*)&ob1,sizeof(products_record));
temp3.read((char*)&ob1,sizeof(products_record));
}
temp3.close();
temp4.close();
remove("products.dat");
rename("product1.dat","products.dat");
}
i++;
goto beg;
}
else
if (ob1.no==0)
{
gotoxy(10,6+i);
cprintf("No entry\a");
i++;
goto beg;
}
}
else
if (n1.no==0)
{
textcolor(WHITE);
for (int j=0;j<81;j++) //ending table
{
gotoxy(j,6+i);
cprintf("-");
}
}
textcolor(LIGHTRED);
gotoxy(5,9+i);
cprintf("Number of items = ");
cout<<i;
gotoxy(5,10+i);
cprintf("Grand total = Rs.");
cout<<total;
//giving discount
if (less!=1)
{
discount+=0.05*total;
gotoxy(5,12+i);
cprintf("Discount = Rs.");
cout<<0.05*total;
gotoxy(5,13+i);
cprintf("Net total = Rs.");
cout<<less*total;
}
b1.close();
getch();
}
//----------------------------------------------------------------------------
// nested function of 'billing'
//----------------------------------------------------------------------------
float output1(products_record ob1)
{
if (ob1.no==0) //if no entry then return to billing
return 0;
float stotal;
stotal=ob1.rate*n1.qty; //determining the cost of the particular item
//putting the values on the screen
gotoxy(4,6+i);
cout<<ob1.no;
gotoxy(10,6+i);
puts(ob1.name);
gotoxy(38,6+i);
cout<<ob1.rate;
gotoxy(43,6+i);
cout<<" ";
gotoxy(56,6+i);
if (n1.qty>ob1.stock) //checking for the item being in stock
{
gotoxy(50,6+i);
cprintf("Out of stock\a");
return 0;
}
cout<<n1.qty;
gotoxy(68,6+i);
cout<<stotal;
gotoxy(74,6+i);
cout<<" ";
return stotal;
}
//----------------------------------------------------------------------------
// Function for making table
//----------------------------------------------------------------------------
void table1()
{
textcolor(WHITE);
//drawing vertical lines
for (int a=1;a<=80;a++)
{
gotoxy(a,2);
cprintf("_");
gotoxy(a,5);
cprintf("-");
}
//drawing horizontal lines(always)
for (a=3;a<=5;a++)
{
gotoxy(1,a);
cprintf("|");
gotoxy(9,a);
cprintf("|");
gotoxy(31,a);
cprintf("|");
gotoxy(49,a);
cprintf("|");
gotoxy(64,a);
cprintf("|");
gotoxy(80,a);
cprintf("|");
}
/* drawing horizontal lines
(depending upon the s.no. of item in purchase list)*/
gotoxy(1,6+i);
cprintf("|");
gotoxy(9,6+i);
cprintf("|");
gotoxy(31,6+i);
cprintf("|");
gotoxy(49,6+i);
cprintf("|");
gotoxy(64,6+i);
cprintf("|");
gotoxy(80,6+i);
cprintf("|");
textcolor(LIGHTRED);
//giving column titles
gotoxy(2,3);
cprintf("Product");
gotoxy(14,3);
cprintf("Product name ");
gotoxy(35,3);
cprintf("Rate (Rs.)");
gotoxy(53,3);
cprintf("Quantity");
gotoxy(67,3);
cprintf("Total (Rs.)");
gotoxy(2,4);
cprintf("number");
gotoxy(53,4);
cprintf("(Kgs/pcs)");
}
//----------------------------------------------------------------------------
// Function for viewing the day's sale
//----------------------------------------------------------------------------
void sales()
{
textcolor(LIGHTRED);
clrscr();
textcolor(LIGHTRED);
gotoxy(28,1);
cprintf("TODAY'S SALES");
float sales=0.0;
fstream sal1;
sal1.open("sale.dat",ios::in);
i=0;
sal1.read((char*)&n1,sizeof(n1));
while(!sal1.eof() && n2.no!=n1.no)
{
table1();
gotoxy(4,6+i);
cout<<n1.no;
gotoxy(10,6+i);
puts(n1.name);
gotoxy(38,6+i);
cout<<n1.rate;
gotoxy(43,6+i);
cout<<" ";
gotoxy(56,6+i);
cout<<n1.qty;
gotoxy(68,6+i);
cout<<n1.total;
sales+=n1.total;
gotoxy(74,6+i);
cout<<" ";
i++;
n2.no=n1.no;
sal1.read((char*)&n1,sizeof(n1));
}
textcolor(WHITE);
gotoxy(1,6+i);
for(int n=1;n<=80;n++)
cprintf("-");
textcolor(LIGHTRED);
gotoxy(5,8+i);
cprintf("Grand total = Rs.");
cout<<sales;
gotoxy(5,10+i);
cprintf("Discount = Rs.");
cout<<discount;
gotoxy(5,11+i);
cprintf("Net total = Rs.");
cout<<(sales-discount);
getch();
}
//----------------------------------------------------------------------------
// Instructions
//----------------------------------------------------------------------------
// Function for help on entering records
void enter()
{
border();
gotoxy(5,1);
cprintf("Entering Records");
gotoxy(5,7);
textcolor(11);
cprintf("For Products");
textcolor(13);
gotoxy(5,10);
cprintf("This part of the program helps the store management to ");
cprintf("add more");
gotoxy(5,9);
cprintf("products to their store. The existing product records are");
cprintf(" not ");
gotoxy(5,10);
cprintf("affected by this option. The new record(s) are appended at");
cprintf(" the end");
gotoxy(5,11);
cprintf("of the file containing such records namely ");
textcolor(12);
cprintf("'products.dat'");
textcolor(13);
cprintf(". This");
gotoxy(5,12);
cprintf("option automatically assigns a product number to the product");
cprintf(" which");
gotoxy(5,13);
cprintf("must be remembered for any product reference.");
gotoxy(5,15);
textcolor(11);
cprintf("For members");
textcolor(13);
gotoxy(5,17);
cprintf("This option works just like its counterpart for products. It");
cprintf(" stores");
gotoxy(5,18);
cprintf("records in the file ");
textcolor(12);
cprintf("'members.dat'");
textcolor(13);
cprintf(" and assigns a membership number ");
gotoxy(5,19);
cprintf("for every new entry. For further details see the help section");
cprintf(" on ");
textcolor(12);
gotoxy(5,20);
cprintf("'Membership Rules'.");
textcolor(13);
getch();
}
//Function for help on viewing records
void view()
{
border();
gotoxy(30,5);
cprintf("Viewing Records");
gotoxy(10,7);
cprintf("This option enables the user to view the latest records of ");
gotoxy(10,8);
cprintf("either products or members. It helps in operations like ");
gotoxy(10,9);
cprintf("stock checking and member verification. The viewing is");
gotoxy(10,10);
cprintf("only possible with the product/membership numbers.");
getch();
}
//Function for help on modifying records
void modify()
{
border();
gotoxy(30,5);
cprintf("Modifying Records");
gotoxy(10,7);
cprintf("This option helps in altering the records in the files.");
gotoxy(10,8);
cprintf("It can be used for deleting the entries as well. In ");
gotoxy(10,9);
cprintf("case of products either the record could be changed to");
gotoxy(10,10);
cprintf("some new entry or its stock could be made zero. For members");
gotoxy(10,11);
cprintf("deletion is only possible by overwriting with a new entry.");
getch();
}
// Function for help on billing process
void procedure()
{
border();
gotoxy(30,5);
cprintf("Billing Procedure");
gotoxy(10,7);
cprintf("The actual billing procedure consists of two sections.");
gotoxy(10,8);
cprintf("One checks if the buyer is a member or not and accordingly");
gotoxy(10,9);
cprintf("performs the necessary tasks. The other section consists of ");
gotoxy(10,10);
cprintf("billing. The user is asked to enter the product number and the ");
gotoxy(10,11);
cprintf("quantity bought. The computer calculates the total itself and ");
gotoxy(10,12);
cprintf("also the discount if necessary. In order to exit the procedure");
gotoxy(10,13);
cprintf("and view the final total, the user should enter the product number");
gotoxy(10,14);
cprintf("as '0'.");
getch();
}
// Function for help on Membership details
void rules()
{
border();
gotoxy(30,5);
cprintf("Membership Rules");
gotoxy(5,7);
cprintf("The program lets its subscribers (stores) maintain a");
cprintf(" member's list");
gotoxy(5,8);
cprintf("in order to help them in increasing their sales for a");
cprintf(" marginal cut");
gotoxy(5,9);
cprintf("in their profits. The program sets minimum membership ");
cprintf("amount as Rs.100");
gotoxy(5,10);
cprintf("which must be paid at the time of registration. The member");
cprintf(" will be ");
gotoxy(5,11);
cprintf("given a membership number and a membership card (to be");
cprintf("collected ");
gotoxy(5,12);
cprintf("after a week by reference to the membership number and ");
cprintf("other");
gotoxy(5,13);
cprintf("particulars). In case a member loses the membership card ");
cprintf(", he/she ");
gotoxy(5,14);
cprintf("must register a complaint with the store by submitting a");
cprintf(" written");
gotoxy(5,15);
cprintf("application with all the particulars. He/She can collect ");
cprintf("his/her ");
gotoxy(5,16);
cprintf("remaining money by showing proofs of the particulars.");
gotoxy(5,17);
cprintf("The membership allows a person to avail a special discount");
cprintf(" of 5%");
gotoxy(5,18);
cprintf("over every purchase. Rs.5 will be subtracted from the ");
cprintf("member's account");
gotoxy(5,19);
cprintf("over every purchase. The account will be rendered ");
cprintf("inaccessible if the ");
gotoxy(5,20);
cprintf("amount will be less than Rs.100 and the member would be");
cprintf(" expected to ");
gotoxy(5,21);
cprintf("deposit more money for continuing the membership. The store");
cprintf(" will also");
gotoxy(5,22);
cprintf("give away attractive gifts to a lucky member once every year.");
getch();
}
// Functiom for help on today's sales
void today()
{
border();
gotoxy(30,5);
cprintf("Today's sales");
gotoxy(10,7);
cprintf("This option shows the total sales in terms of both quantity");
gotoxy(10,8);
cprintf("and amount per item. This is stored in a file namely ");
gotoxy(10,9);
cprintf("'sale.dat' which is modified after every buying during the");
gotoxy(10,10);
cprintf("billing process.");
getch();
}
//Function for displaying help index
void instructions()
{
clrscr();
int n;
char l='y';
do
{
textcolor(13);
border();
textcolor(13);
gotoxy(30,5);
cprintf("HELP INDEX");
for (int z=29;z<=39;z++)
{
gotoxy(z,6);
cprintf("-");
}
gotoxy(20,7);
cprintf("1:ADD RECORDS");
gotoxy(20,8);
cprintf("2:VIEWING RECORDS ");
gotoxy(20,9);
cprintf("3:MODIFYING RECORDS");
gotoxy(20,10);
cprintf("4:BILLING PROCEDURE");
gotoxy(20,11);
cprintf("5:TODAY'S SALES ");
gotoxy(20,12);
cprintf("6:MEMBERSHIP DETAILS");
gotoxy(20,13);
cprintf("0:BACK TO MAIN MENU");
gotoxy(21,16);
cprintf("Enter your choice:");
cin>>n;
switch(n)
{
case 1: enter();
break;
case 2: view();
break;
case 3: modify();
break;
case 4: procedure();
break;
case 5: today();
break;
case 6: rules();
break;
case 0: l='n';
}
} while (l=='y');
}
//---------------------------------------------------------------------------
// Function for ending screen
//----------------------------------------------------------------------------
void end()
{
gdriver=DETECT; //request auto detection
initgraph(&gdriver,&gmode,"c:\\turboc3\\bgi"); //initialising graph
/* read result of initialization */
int errorcode = graphresult();
if (errorcode != grOk) /* an error occurred */
{
printf("Graphics error: %s\n", grapherrormsg(errorcode));
printf("Press any key to halt:");
getch();
return;
}
setcolor(BROWN);
setbkcolor(WHITE);
rectangle(10,10,getmaxx()-10,getmaxy()-10);
rectangle(15,15,getmaxx()-15,getmaxy()-15);
settextstyle(7,0,8);
moveto(90,75);
outtext("THANK YOU");
closegraph();
}
