Sales Management System C++
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Introduction
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//**********************************************************
// PROJECT SALES MANAGEMENT //********************************************************** //********************************************************** // INCLUDED HEADER FILES //********************************************************** #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> //********************************************************** // CLASS NAME : Menu // DETAILS : IT CONTROLLS OVER ALL THE FUNCTIONS //********************************************************** class menu { public : void main_menu(void) ; private : void edit_menu(void) ; } ; //********************************************************** // CLASS NAME : Product // DETAILS : IT CONTROLLS OVER ALL THE FUNCTIONS // RELATED TO PRODUCT ITEMS //********************************************************** class product { public : void add_item(void) ; void delete_item(void) ; void modify_item(void) ; void list_of_item(void) ; void purchase(void) ; private : int last_code(void) ; void delete_record(int) ; void modify_record(int) ; void display_record(int) ; int item_found(int) ; int recordno(int) ; void sort(void) ; int itemcode ; char itemname[30] ; float itemcost, itemprice ; } ; //********************************************************** // CLASS NAME : Account // DETAILS : IT CONTROLLS OVER ALL THE FUNCTIONS // RELATED TO MAKING BILL //********************************************************** class account { public : void bill_list(void) ; void prepare_bill(int) ; int last_billno(void) ; void add_bill(int, int t_itemcode, char *t_itemname, float t_qty, float t_cost, float t_price) ; private : int code, billno, length ; int dd, mm, yy ; float cost, price, quantity ; char name[30] ; } ; //********************************************************** // THIS FUNCTION CREATE MAIN MENU AND CALLS OTHER FUNCTIONS //********************************************************** void menu :: main_menu(void) { clrscr() ; char ch ; while (1) { clrscr() ; gotoxy(10,3) ; cout <<"*************************************************************" ; gotoxy(10,23) ; cout <<"*************************************************************" ; gotoxy(28,6) ; cout <<"S A L E S M A N A G E M E N T" ; gotoxy(28,7) ; cout <<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" ; gotoxy(30,9) ; cout <<"1: PURCHASE PRODUCTS" ; gotoxy(30,11) ; cout <<"2: LIST OF PRODUCTS" ; gotoxy(30,13) ; cout <<"3: EDIT PRODUCTS FILE" ; gotoxy(30,15) ; cout <<"4: BILLS REPORT" ; gotoxy(30,17) ; cout <<"0: QUIT" ; gotoxy(30,20) ; cout <<"Enter Your Choice : " ; ch = getche() ; if (ch == '1') { product p ; p.purchase() ; } else if (ch == '2') { product p ; p.list_of_item() ; } else if (ch == '3') edit_menu() ; else if (ch == '4') { account a ; a.bill_list(); } else if (ch == '0') break ; } } //********************************************************** // THIS FUNCTION CREATE EDIT MENU AND CALLS OTHER FUNCTIONS //********************************************************** void menu :: edit_menu(void) { char ch ; while (1) { clrscr() ; gotoxy(10,3) ; cout <<"*************************************************************" ; gotoxy(10,23) ; cout <<"*************************************************************" ; gotoxy(32,6) ; cout <<"E D I T M E N U" ; gotoxy(32,7) ; cout <<"~~~~~~~~~~~~~~~~" ; gotoxy(32,10) ; cout <<"1: ADD PRODUCTS" ; gotoxy(32,12) ; cout <<"2: MODIFY PRODUCTS" ; gotoxy(32,14) ; cout <<"3: DELETE PRODUCTS" ; gotoxy(32,16) ; cout <<"0: EXIT" ; gotoxy(32,19) ; cout <<"Enter Choice : " ; ch = getche() ; if (ch == '1') { product p ; p.add_item() ; break ; } else if (ch == '2') { product p ; p.modify_item() ; break ; } else if (ch == '3') { product p ; p.delete_item() ; break ; } else if (ch == '0') break ; } } //********************************************************** // THIS FUNCTION RETURNS THE CODE OF THE LAST RECORD IN THE // PRODUCT FILE (PRODUCT.DAT). //********************************************************** int product :: last_code(void) { fstream file ; file.open("PRODUCT.DAT", ios::in) ; file.seekg(0,ios::beg) ; int t=0 ; while (file.read((char *) this, sizeof(product))) t = itemcode ; file.close() ; return t ; } //********************************************************** // THIS FUNCTION DISPLAY THE LIST OF THE ITEMS //********************************************************** void product :: list_of_item(void) { clrscr() ; fstream file ; file.open("PRODUCT.DAT", ios::in) ; file.seekg(0) ; int row = 6 , found = 0 ; gotoxy(30,2) ; cout <<"LIST OF ITEMS" ; gotoxy(3,4) ; cout <<"ITEM CODE ITEM NAME ITEM COST ITEM PRICE" ; gotoxy(2,5) ; cout <<"***********************************************************" ; while (file.read((char *) this, sizeof(product))) { delay(20) ; found = 1 ; gotoxy(5,row) ; cout <<itemcode ; gotoxy(14,row) ; cout <<itemname ; gotoxy(37,row) ; cout <<itemcost ; gotoxy(51,row) ; cout <<itemprice ; if ( row == 22 ) { row = 5 ; gotoxy(1,25) ; cout <<"Press any key to continue..." ; getche() ; clrscr() ; gotoxy(30,2) ; cout <<"LIST OF ITEMS" ; gotoxy(3,4) ; cout <<"ITEM CODE ITEM NAME ITEM COST ITEM PRICE" ; gotoxy(2,5) ; cout <<"***********************************************************" ; } else row++ ; } if ( !found ) { gotoxy(5,10) ; cout <<"\7Records not found" ; } gotoxy(1,25) ; cout <<"Press any key to continue..." ; getche() ; file.close () ; } //*********************************************************** // THIS FUNCTION ADD RECORDS IN THE PRODUCT.DAT (PRODUCT.DAT) //*********************************************************** void product :: add_item(void) { int tcode, valid ; char ch, t_itemcost[10], t_itemprice[10] ; tcode = last_code() ; tcode++ ; do { clrscr() ; gotoxy(71,2) ; cout <<"<0>=Exit" ; gotoxy(27,3) ; cout <<"ADDITION OF PRODUCTS" ; gotoxy(26,4) ; cout <<"********************" ; gotoxy(5,6) ; cout <<"Item Code : " <<tcode ; gotoxy(5,8) ; cout <<"Item Name : " ; gotoxy(5,10) ; cout <<"Item Cost : " ; gotoxy(5,12) ; cout <<"Item Price : " ; do { valid = 1 ; gotoxy(1,8) ; clreol() ; gotoxy(1,24) ; clreol() ; gotoxy(1,25) ; clreol() ; gotoxy(3,25) ; cout <<"ENTER ITEM NAME TO ADD IN THE MENU" ; gotoxy(5,8) ; cout <<"Item Name : " ; gets(itemname) ; strupr(itemname) ; if (itemname[0] == '0') return ; if ((strlen(itemname) < 1) || (strlen(itemname) > 20)) { valid = 0 ; gotoxy(3,24) ; cout <<"\7 Range = 1..20" ; getch() ; } } while (!valid) ; do { valid = 1 ; gotoxy(1,10) ; clreol() ; gotoxy(1,24) ; clreol() ; gotoxy(1,25) ; clreol() ; gotoxy(3,25) ; cout <<"ENTER ITEM COST TO ADD IN THE MENU" ; gotoxy(5,10) ; cout <<"Item Cost : " ; gets(t_itemcost) ; itemcost = atof(t_itemcost) ; if (t_itemcost[0] == '0') return ; if (itemcost < 1 || itemcost > 800) { valid = 0 ; gotoxy(3,24) ; cout <<"\7 Range = 1..800" ; getch() ; } } while (!valid) ; do { valid = 1 ; gotoxy(1,12) ; clreol() ; gotoxy(1,24) ; clreol() ; gotoxy(1,25) ; clreol() ; gotoxy(3,25) ; cout <<"ENTER ITEM PRICE TO ADD IN THE MENU" ; gotoxy(5,12) ; cout <<"Item Price : " ; gets(t_itemprice) ; itemprice = atof(t_itemprice) ; if (t_itemprice[0] == '0') return ; if (itemprice < itemcost || itemprice > 1000) { valid = 0 ; gotoxy(3,24) ; cout <<"\7 Range = " <<itemcost <<"..1000" ; getch() ; } } while (!valid) ; do { gotoxy(1,15) ; clreol() ; gotoxy(1,24) ; clreol() ; gotoxy(1,25) ; clreol() ; gotoxy(5,15) ; cout <<"Do you want to save this record (y/n) : " ; ch = getche() ; ch = toupper(ch) ; if (ch == '0') return ; } while (ch != 'N' && ch != 'Y') ; if (ch == 'Y') { itemcode = tcode ; fstream file ; file.open("PRODUCT.DAT", ios::out | ios::app ) ; file.write((char *) this, sizeof(product)) ; file.close() ; tcode++ ; } do { gotoxy(1,17) ; clreol() ; gotoxy(1,24) ; clreol() ; gotoxy(1,25) ; clreol() ; gotoxy(5,17) ; cout <<"Do you want to add more records (y/n) : " ; ch = getche() ; ch = toupper(ch) ; if (ch == '0') return ; } while (ch != 'N' && ch != 'Y') ; } while (ch == 'Y') ; } //********************************************************** // THIS FUNCTION DISPLAY THE RECORD OF THE GIVEN CODE FROM // THE PRODUCT FILE (PRODUCT.DAT) //********************************************************** void product :: display_record(int tcode) { fstream file ; file.open("PRODUCT.DAT", ios::in) ; file.seekg(0,ios::beg) ; while (file.read((char *) this, sizeof(product))) { if (itemcode == tcode) { gotoxy(5,3) ; cout <<"Item Code : "<<itemcode ; gotoxy(5,4) ; cout <<"Item Name : "<<itemname ; gotoxy(5,5) ; cout <<"Item Cost : "<<itemcost ; gotoxy(5,6) ; cout <<"Item Price : "<<itemprice ; break ; } } file.close() ; } //********************************************************** // THIS FUNCTION RETURN THE VALUE 1 IF THE RECORD IS FOUND // FOR THE GIVEN CODE IN THE PRODUCT FILE (PRODUCT.DAT) //********************************************************** int product :: item_found(int tcode) { fstream file ; file.open("PRODUCT.DAT", ios::in) ; file.seekg(0,ios::beg) ; int found=0 ; while (file.read((char *) this, sizeof(product))) { if (itemcode == tcode) { found++ ; break ; } } file.close() ; return found ; } //********************************************************** // THIS FUNCTION RETURN THE RECORD NO. OF THE GIVEN CODE IN // THE PRODUCT FILE (PRODUCT.DAT) //********************************************************** int product :: recordno(int tcode) { fstream file ; file.open("PRODUCT.DAT", ios::in) ; file.seekg(0,ios::beg) ; int found=0 ; while (file.read((char *) this, sizeof(product))) { found++ ; if (itemcode == tcode) break ; } file.close() ; return found ; } //********************************************************** // THIS FUNCTION DELETES THE RECORD FOR THE GIVEN CODE FROM // THE PRODUCT FILE (PRODUCT.DAT) //********************************************************** void product :: delete_record(int tcode) { fstream file ; file.open("PRODUCT.DAT", ios::in) ; fstream temp ; temp.open("temp.dat", ios::out) ; file.seekg(0,ios::beg) ; while ( !file.eof() ) { file.read((char *) this, sizeof(product)) ; if ( file.eof() ) break ; if ( itemcode != tcode ) temp.write((char *) this, sizeof(product)) ; } file.close() ; temp.close() ; file.open("PRODUCT.DAT", ios::out) ; temp.open("temp.dat", ios::in) ; temp.seekg(0,ios::beg) ; while ( !temp.eof() ) { temp.read((char *) this, sizeof(product)) ; if ( temp.eof() ) break ; file.write((char *) this, sizeof(product)) ; } file.close() ; temp.close() ; } //********************************************************** // THIS FUNCTION GIVES THE CODE NO. TO DELETE RECORD FROM // THE PRODUCT FILE (PRODUCT.DAT) //********************************************************** void product :: delete_item(void) { clrscr() ; char t_code[5], ch ; int t, tcode ; gotoxy(3,25) ; cout <<"Press <ENTER> to see the list" ; gotoxy(5,3) ; cout <<"Enter Item Code of the item to be deleted : " ; gets(t_code) ; t = atoi(t_code) ; tcode = t ; if (t_code[0] == '0') return ; if (tcode == 0) { list_of_item() ; gotoxy(1,25) ; clreol() ; gotoxy(3,25) ; cout <<"Press <ENTER> to Exit" ; gotoxy(5,24) ; cout <<"Enter Item Code of the item to be deleted : " ; gets(t_code) ; t = atoi(t_code) ; tcode = t ; if (tcode == 0) return ; } clrscr() ; if (!item_found(tcode)) { gotoxy(5,5) ; cout <<"\7Record not found" ; getch() ; return ; } display_record(tcode) ; do { gotoxy(1,8) ; clreol() ; gotoxy(5,8) ; cout <<"Do you want to delete this record (y/n) : " ; ch = getche() ; ch = toupper(ch) ; } while (ch != 'N' && ch != 'Y') ; if (ch == 'N') return ; delete_record(tcode) ; gotoxy(5,15) ; cout <<"\7Record Deleted" ; getch() ; } //********************************************************** // THIS FUNCTION MODIFY THE RECORD FOR THE GIVEN CODE FROM // THE PRODUCT FILE (PRODUCT.DAT) //********************************************************** void product :: modify_record(int tcode) { int recno ; recno = recordno(tcode) ; int valid, t_code ; char ch, t_itemcost[10], t_itemprice[10], t_itemcode[5] ; gotoxy(71,2) ; cout <<"<0>=Exit" ; gotoxy(5,12) ; cout <<"Item Code : " ; gotoxy(5,14) ; cout <<"Item Name : " ; gotoxy(5,16) ; cout <<"Item Cost : " ; gotoxy(5,18) ; cout <<"Item Price : " ; do { gotoxy(20,12) ; clreol() ; cout <<"Change (y/n) : " ; ch = getche() ; ch = toupper(ch) ; if (ch == '0') return ; } while (ch != 'N' && ch != 'Y') ; valid = 0 ; while (ch == 'Y' && !valid) { valid = 1 ; gotoxy(1,12) ; clreol() ; gotoxy(1,24) ; clreol() ; gotoxy(1,25) ; clreol() ; gotoxy(3,25) ; cout <<"ENTER ITEM CODE TO ADD IN THE MENU" ; gotoxy(5,12) ; cout <<"Item Code : " ; gets(t_itemcode) ; t_code = atoi(t_itemcode) ; if (t_code == 0) return ; if (item_found(t_code) && t_code != tcode) { valid = 0 ; gotoxy(3,24) ; cout <<"\7 CODE ALREADY GIVEN" ; getch() ; } } do { gotoxy(20,14) ; clreol() ; cout <<"Change (y/n) : " ; ch = getche() ; ch = toupper(ch) ; if (ch == '0') return ; } while (ch != 'N' && ch != 'Y') ; valid = 0 ; while (ch == 'Y' && !valid) { valid = 1 ; gotoxy(1,14) ; clreol() ; gotoxy(1,24) ; clreol() ; gotoxy(1,25) ; clreol() ; gotoxy(3,25) ; cout <<"ENTER ITEM NAME TO ADD IN THE MENU" ; gotoxy(5,14) ; cout <<"Item Name : " ; gets(itemname) ; strupr(itemname) ; if (itemname[0] == '0') return ; if ((strlen(itemname) < 1) || (strlen(itemname) > 20)) { valid = 0 ; gotoxy(3,24) ; cout <<"\7 Range = 1..20" ; getch() ; } } do { gotoxy(20,16) ; clreol() ; cout <<"Change (y/n) : " ; ch = getche() ; ch = toupper(ch) ; if (ch == '0') return ; } while (ch != 'N' && ch != 'Y') ; valid = 0 ; while (ch == 'Y' && !valid) { valid = 1 ; gotoxy(1,16) ; clreol() ; gotoxy(1,24) ; clreol() ; gotoxy(1,25) ; clreol() ; gotoxy(3,25) ; cout <<"ENTER ITEM COST TO ADD IN THE MENU" ; gotoxy(5,16) ; cout <<"Item Cost : " ; gets(t_itemcost) ; itemcost = atof(t_itemcost) ; if (t_itemcost[0] == '0') return ; if (itemcost < 1 || itemcost > 800) { valid = 0 ; gotoxy(3,24) ; cout <<"\7 Range = 1..800" ; getch() ; } } do { gotoxy(20,18) ; clreol() ; cout <<"Change (y/n) : " ; ch = getche() ; ch = toupper(ch) ; if (ch == '0') return ; } while (ch != 'N' && ch != 'Y') ; valid = 0 ; while (ch == 'Y' && !valid) { valid = 1 ; gotoxy(1,18) ; clreol() ; gotoxy(1,24) ; clreol() ; gotoxy(1,25) ; clreol() ; gotoxy(3,25) ; cout <<"ENTER ITEM PRICE TO ADD IN THE MENU" ; gotoxy(5,18) ; cout <<"Item Price : " ; gets(t_itemprice) ; itemprice = atof(t_itemprice) ; if (t_itemprice[0] == '0') return ; if (itemprice < itemcost || itemprice > 1000) { valid = 0 ; gotoxy(3,24) ; cout <<"\7 Range = " <<itemcost <<"..1000" ; getch() ; } } do { gotoxy(1,21) ; clreol() ; gotoxy(1,24) ; clreol() ; gotoxy(1,25) ; clreol() ; gotoxy(5,21) ; cout <<"Do you want to save this record (y/n) : " ; ch = getche() ; ch = toupper(ch) ; if (ch == '0') return ; } while (ch != 'N' && ch != 'Y') ; if (ch == 'N') return ; itemcode = t_code ; cout <<"\n" <<itemname ; cout <<itemcost ; cout <<itemprice ; getch() ; fstream file ; file.open("PRODUCT.DAT", ios::out | ios::ate) ; int location ; location = (recno-1) * sizeof(product) ; file.seekp(location) ; file.write((char *) this, sizeof(product)) ; file.close() ; sort() ; clrscr() ; gotoxy(5,15) ; cout <<"\7Record Modified" ; getch() ; } //********************************************************** // THIS FUNCTION GIVES THE CODE NO. TO MODIFY RECORD FROM // THE PRODUCT FILE (PRODUCT.DAT) //********************************************************** void product :: modify_item(void) { clrscr() ; char t_code[5], ch ; int t, tcode ; gotoxy(3,25) ; cout <<"Press <ENTER> to see the list" ; gotoxy(5,3) ; cout <<"Enter Item Code of the item to be Modify : " ; gets(t_code) ; t = atoi(t_code) ; tcode = t ; if (t_code[0] == '0') return ; if (tcode == 0) { list_of_item() ; gotoxy(1,25) ; clreol() ; gotoxy(3,25) ; cout <<"Press <ENTER> to Exit" ; gotoxy(5,24) ; cout <<"Enter Item Code of the item to be modify : " ; gets(t_code) ; t = atoi(t_code) ; tcode = t ; if (tcode == 0) return ; } clrscr() ; if (!item_found(tcode)) { gotoxy(5,5) ; cout <<"\7Record not found" ; getch() ; return ; } display_record(tcode) ; do { gotoxy(5,8) ; cout <<"Do you want to Modify this record (y/n) : " ; ch = getche() ; ch = toupper(ch) ; } while (ch != 'N' && ch != 'Y') ; if (ch == 'N') return ; modify_record(tcode) ; } //**************************************************************** // THIS FUNCTION SORT THE RECORD IN THE PRODUCT FILE (PRODUCT.DAT) // ACCORDING TO THE CODE NOS. //**************************************************************** void product :: sort(void) { int i=0,j ; product arr[100] ; product temp ; fstream file ; file.open("PRODUCT.DAT", ios::in) ; file.seekg(0,ios::beg) ; while (file.read((char *) &arr[i], sizeof(product))) i++ ; int size ; size = i ; file.close() ; for (i=1; i<size; i++) for (j=0; j<size-i; j++) { if (arr[j].itemcode > arr[j+1].itemcode) { temp=arr[j]; arr[j]=arr[j+1]; arr[j+1]=temp; } } file.open("PRODUCT.DAT", ios::out) ; for (i=0; i<size; i++) file.write((char *) &arr[i], sizeof(product)) ; file.close() ; } //********************************************************** // THIS FUNCTION PURCHASES THE PRODUCT ITEM IN THE MENU //********************************************************** void product :: purchase(void) { clrscr() ; account a ; int t_billno, purchased=0 ; t_billno = a.last_billno() ; t_billno++ ; char t_code[5], ch; float t_quantity ; int t, tcode, i=0, valid ; float qty ; int t_itemcode ; float t_qty, t_cost, t_price ; char t_itemname[30] ; struct date d; int d1, m1, y1 ; getdate(&d); d1 = d.da_day ; m1 = d.da_mon ; y1 = d.da_year ; do { clrscr() ; gotoxy(3,25) ; cout <<"Press <ENTER> to see the list" ; gotoxy(5,3) ; cout <<"Enter Item Code of the item to be Purchase : " ; gets(t_code) ; t = atoi(t_code) ; tcode = t ; if (t_code[0] == '0') { if (purchased) a.prepare_bill(t_billno) ; return ; } if (tcode == 0) { list_of_item() ; gotoxy(1,25) ; clreol() ; gotoxy(3,25) ; cout <<"Press <ENTER> to Exit" ; gotoxy(5,24) ; cout <<"Enter Item Code of the item to be Purchase : " ; gets(t_code) ; t = atoi(t_code) ; tcode = t ; if (tcode == 0) { if (purchased) a.prepare_bill(t_billno) ; return ; } } clrscr() ; if (!item_found(tcode)) { gotoxy(5,5) ; cout <<"\7Item Code not found" ; getch() ; if (purchased) a.prepare_bill(t_billno) ; return ; } gotoxy(60,2) ; cout <<"Date:" <<d1 <<"/" <<m1 <<"/" <<y1 ; display_record(tcode) ; do { valid = 1 ; gotoxy(1,8) ; clreol() ; gotoxy(1,24) ; clreol() ; gotoxy(1,25) ; clreol() ; gotoxy(3,25) ; cout <<"ENTER QUANTITY TO BE PURCHASE IN Kg." ; gotoxy(5,8) ; cout <<"Quantity : " ; cin>>t_quantity ; qty=t_quantity ; if (t_quantity == 0) { if (purchased) a.prepare_bill(t_billno) ; return ; } if (qty < 1 || qty > 800) { valid = 0 ; gotoxy(3,24) ; cout <<"\7 Range = 1..800" ; getch() ; } } while (!valid) ; do { gotoxy(5,10) ; clreol() ; gotoxy(5,10) ; cout <<"Do you want to cancel this purchase (y/n) : " ; ch = getche() ; ch = toupper(ch) ; } while (ch != 'N' && ch != 'Y') ; if (ch == 'N') { purchased = 1 ; fstream file ; file.open("PRODUCT.DAT", ios::in) ; file.seekg(0,ios::beg) ; while (file.read((char *) this, sizeof(product))) { if (itemcode == tcode) { t_itemcode = itemcode ; strcpy(t_itemname,itemname) ; t_cost = itemcost ; t_price = itemprice ; t_qty = qty ; a.add_bill(t_billno,t_itemcode,t_itemname,t_qty,t_cost,t_price) ; i++ ; break ; } } file.close() ; } do { gotoxy(5,12) ; clreol() ; gotoxy(5,12) ; cout <<"Do you want to purchase more (y/n) : " ; ch = getche() ; ch = toupper(ch) ; } while (ch != 'N' && ch != 'Y') ; } while (ch == 'Y') ; a.prepare_bill(t_billno) ; } //********************************************************** // THIS FUNCTION RETURNS THE BILL NO. OF THE LAST RECORD // IN THE BILL FILE (BILL.DAT) //********************************************************** int account :: last_billno(void) { fstream file ; file.open("BILL.DAT", ios::in) ; file.seekg(0,ios::beg) ; int t=0 ; while (file.read((char *) this, sizeof(account))) t = billno ; file.close() ; return t ; } //********************************************************** // THIS FUNCTION ADDS THE RECORD IN THE BILL FILE (BILL.DAT) //********************************************************** void account :: add_bill(int t_billno, int t_itemcode, char t_itemname[30], float t_qty, float t_cost, float t_price) { struct date d; int d1, m1, y1 ; getdate(&d); d1 = d.da_day ; m1 = d.da_mon ; y1 = d.da_year ; dd = d1 ; mm = m1 ; yy = y1 ; code = t_itemcode ; strcpy(name,t_itemname) ; cost = t_cost ; price = t_price ; quantity = t_qty ; billno = t_billno ; fstream file ; file.open("BILL.DAT", ios::out | ios:: app ) ; file.write((char *) this, sizeof(account)) ; file.close() ; } //********************************************************** // THIS FUNCTION PREPARES AND DISPLAYS THE BILL FOR THE // GIVEN BILL NO. ACCORDING TO PURCHASES MADE. //********************************************************** void account :: prepare_bill(int t_billno) { clrscr() ; struct date d; int d1, m1, y1 ; getdate(&d); d1 = d.da_day ; m1 = d.da_mon ; y1 = d.da_year ; float total=0.0, total_bill=0.0 ; gotoxy(33,3) ; cout <<"CUSTOMER BILL" ; gotoxy(55,5) ; cout <<"Date:" <<d1 <<"/" <<m1 <<"/" <<y1 ; gotoxy(8,7) ; cout <<"ITEMS PURCHASED" ; gotoxy(8,8) ; cout <<"+++++++++++++++" ; gotoxy(8,9) ; cout <<"Item code Item name Cost Price Qty Total" ; gotoxy(8,10) ; cout <<"------------------------------------------------------------" ; int row=11 ; fstream file ; file.open("BILL.DAT", ios::in) ; file.seekg(0) ; while (file.read((char *) this, sizeof(account)) !=0 ) { if (billno == t_billno) { gotoxy(8,5) ; cout <<"BILL NO. # " <<billno ; gotoxy(8,6) ; cout <<"===============" ; gotoxy(10,row) ; cout <<code ; gotoxy(18,row) ; cout <<name ; gotoxy(39,row) ; cout <<cost ; gotoxy(47,row) ; cout <<price ; gotoxy(56,row) ; cout <<quantity ; total = quantity * price ; gotoxy(63,row) ; cout <<total ; total_bill = total_bill + total ; row++ ; } } file.close() ; gotoxy(39,row+1) ; cout <<"TOTAL BILL: Rs." <<total_bill <<" /=" ; getch() ; } //********************************************************** // THIS FUNCTION DISPLAYS THE LIST OF THE BILLS //********************************************************** void account :: bill_list(void) { clrscr() ; fstream file ; file.open("BILL.DAT", ios::in) ; file.seekg(0) ; int row=5, found=0, pageno=1, prev_billno=0, flag=0 ; float total=0.0, total_bill=0.0 ; gotoxy(30,2) ; cout <<"LIST OF BILLS" ; gotoxy(3,4) ; cout <<"Billno. Date Item Code Item name Cost Pri Qty Total" ; gotoxy(3,5) ; cout <<"===========================================================================" ; while (file.read((char *) this, sizeof(account))) { row++ ; delay(20) ; found = 1 ; if (prev_billno != billno) { if (flag) { gotoxy(52,row) ; cout <<"TOTAL BILL: Rs." <<total_bill <<"/=" ; total_bill = 0.0 ; row++ ; } gotoxy(4,row) ; cout <<billno ; } flag = 1 ; gotoxy(11,row) ; cout <<dd <<"/" <<mm <<"/" <<yy ; gotoxy(24,row) ; cout <<code ; gotoxy(32,row) ; cout <<name ; gotoxy(52,row) ; cout <<cost ; gotoxy(59,row) ; cout <<price ; gotoxy(67,row) ; cout <<quantity ; total = quantity * price ; gotoxy(73,row) ; cout <<total ; total_bill = total_bill + total ; if ( row >= 23 ) { row = 5 ; gotoxy(66,1) ; cout <<"Page no. : " <<pageno ; pageno++ ; gotoxy(1,25) ; cout <<"Press any key to continue..." ; getche() ; clrscr() ; gotoxy(30,2) ; cout <<"LIST OF BILLS" ; gotoxy(3,4) ; cout <<"Billno. Date Item Code Item name CostPrice Qty Total" ; gotoxy(3,5) ; cout <<"===========================================================================" ; } prev_billno = billno ; } row++ ; gotoxy(52,row) ; cout <<"TOTAL BILL: Rs." <<total_bill <<"/=" ; if ( !found ) { gotoxy(5,10) ; cout <<"\7Records not found" ; } gotoxy(66,1) ; cout <<"Page no. : " <<pageno ; gotoxy(1,25) ; cout <<"Press any key to continue..." ; getche() ; file.close () ; } //********************************************************** // THIS FUNCTION IS THE MAIN FUNCTION CALLING THE MAIN MENU //********************************************************** void main(void) { clrscr() ; menu m ; m.main_menu() ; } |
This project is based on the principle of SALES MANAGEMENT. It includes the required details which the user need to enter while going for a purchase. It is designed by considering the requirements of the user. It will help the user in all the ways possible.
It includes the header files and the functions which makes the C++ program more efficiently. It include the concepts of DATA FILE HANDLING and FUNCTIONS. This project also includes the principles and properties of class and objects. This program is designed very simply for the help of the organizations which requires SALES MANAGEMENT. |
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