C++ Project on Sales Management System

Sales Management System

Name:

School:

Roll No:

---

/*    ****************************
      *  SALES MANAGEMENT SYSTEM *
      ****************************
*/
#include
#include
#include
#include
#include
#include
#include
#include

struct date_rec   // record to get date
{
short int day;
short int month;
int year;
}current_date;

struct node   // structure to make an index of the record nos.
{
int rec_no;
node *link;
};
node *start,*ptr;

// DECLAIRING CLASS HERE
// this class defines data related to items

class item_list
{
private:
int item_code,qty_in_stock; // item code and quantity in stock
char item_name[30];
float item_rate;
public:
item_list()   // no argument constructor
{
item_code=0;
memset(item_name,0,30);
item_rate=0.0;
qty_in_stock=0;
}
void get_item();   // this function reads the private member of item file
int vallidate(int item_code,int qty);
// this function verifies item code corresponding qty in stock
float update_on_sale(int ic1,int ic2,int ic3,int ic4,int ic5,
             int iq1,int iq2,int iq3,int iq4,int iq5);
// this function updates the qty whenever item is purchased

void update_on_purchase(item_list temp_item);
void purchase_order();
// to generate purchase order list if stock is less than 20

node* create_list();    // create an index of objects
void items_available(); // display the item available
}item;                  // object list

// this class defines the data and member function related to
// sales of an item.

class sales_list
{
private:
int cash_memo_num;
date_rec cash_memo_date;
int item_code1,i_qty1;
int item_code2,i_qty2;
int item_code3,i_qty3;
int item_code4,i_qty4;
int item_code5,i_qty5;
float total_amount;

public:
char ch;
sales_list()   // constructor
{
item_code1=i_qty1=0;
item_code2=i_qty2=0;
item_code3=i_qty3=0;
item_code4=i_qty4=0;
item_code5=i_qty5=0;
total_amount=0.0;
}

// this function checks for availability of an item and its quantity
int vallidate_item(int item_code,int qty);

// this function generates record number automatically
int get_memo_no(struct date_rec current_date);
// this function collects information to prepare cash memo
void get_chmo_info();
void show_data();   // this function displays data

// this function adds a record to the master file
void update_sales_file(int memo_num,int ic1,int ic2,int ic3,int ic4,int ic5,
                       int iq1,int iq2,int iq3,int iq4,int iq5,float amount);
void daily_sales_report(struct date_rec current_date);
}cash_memo;   // object list

// DECLARING MEMBER FUNCTIONS HERE

// this member function reads the private members of class itemfile
void item_list::get_item()
{
gotoxy(20,5);
cout<<"ENTER THE ITEM CODE ------------>";
cin>>item_code;
gotoxy(20,6);
cout<<"ENTER THE ITEM NAME ------------>";
gets(item_name);
gotoxy(20,7);
cout<<"ENTER THE ITEM RATE ------------>";
cin>>item_rate;
gotoxy(20,8);
cout<<"ENTER THE QUANTITY ------------->";
cin>>qty_in_stock;
}

// this member function enters a new item in itemfile, calls get_item()

void item_list::update_on_purchase(item_list temp_item)
{
fstream item_file;
item_file.open("itemfile.dat",ios::app | ios::in | ios::out);
// open file in append mode
int found=0;
item_file.seekg(0);
item_file.read((char*)&item,sizeof(item));
int n=item_file.tellg();
while(!item_file.eof())
   {
     if(item.item_code==temp_item.item_code)
    {
       item.item_rate=temp_item.item_rate;
       item.qty_in_stock=item.qty_in_stock+temp_item.qty_in_stock;
       item_file.seekg(n-sizeof(item));
       item_file.write((char*)&item,sizeof(item));
       found=1;
    }
     item_file.read((char*)&item,sizeof(item));   // write in the file
     n=item_file.tellg();
   }
item_file.close();
if(found==0)
   {
   item_file.open("itemfile.dat",ios::app,ios::out);
   item_file.seekg(0,ios::end);
   item_file.write((char*)&temp_item,sizeof(temp_item));
   item_file.close();
   }
}

// this member function checks for the availability of item and quantity

int item_list::vallidate(int i_code,int i_qty)
{
  item_list temp_item;
  fstream item_file;
  int ret=0;
  item_file.open("itemfile.dat",ios::in);
  item_file.seekg(0);
  item_file.read((char*)&temp_item,sizeof(temp_item));
while(!item_file.eof())
  {
    if(temp_item.item_code==i_code&&temp_item.qty_in_stock>=i_qty)
    ret=1;
    item_file.read((char*)&temp_item,sizeof(temp_item));
  }
item_file.close();
return ret;
}

float item_list::update_on_sale(int ic1,int ic2,int ic3,int ic4,int ic5,
                int iq1,int iq2,int iq3,int iq4,int iq5)
{
fstream item_file;
float amount=0;
item_file.open("itemfile.dat",ios::in);
item_file.seekg(0); // set file pointer to the beginning of the file
item_file.read((char*)&item,sizeof(item));
int n=item_file.tellg();
while(!item_file.eof())
  {
    if(item.item_code==ic1)
    {
      if(item.vallidate(ic1,iq1))
      {
       gotoxy(59,9);
       cout<<item.item_rate*iq1;
       amount=amount+(item.item_rate*iq1);
       item.qty_in_stock=item.qty_in_stock-iq1;
       item_file.seekg(n-sizeof(item));
       item_file.write((char*)&item,sizeof(item));
      }
    }
    if(item.item_code==ic2)
    {
      if(item.vallidate(ic2,iq2))
      {
       gotoxy(59,10);
       cout<<item.item_rate*iq2;
       amount=amount+(item.item_rate*iq2);
       item.qty_in_stock=item.qty_in_stock-iq2;
       item_file.seekg(n-sizeof(item));
       item_file.write((char*)&item,sizeof(item));
      }
    }
    if(item.item_code==ic3)
    {
      if(item.vallidate(ic3,iq3))
      {
       gotoxy(59,11);
       cout<<item.item_rate*iq3;
       amount=amount+(item.item_rate*iq3);
       item.qty_in_stock=item.qty_in_stock-iq3;
       item_file.seekg(n-sizeof(item));
       item_file.write((char*)&item,sizeof(item));
      }
    }
    if(item.item_code==ic4)
    {
      if(item.vallidate(ic4,iq4))
      {
       gotoxy(59,12);
       cout<<item.item_rate*iq4;
       amount=amount+(item.item_rate*iq4);
       item.qty_in_stock=item.qty_in_stock-iq4;
       item_file.seekg(n-sizeof(item));
       item_file.write((char*)&item,sizeof(item));
      }
    }
    if(item.item_code==ic5)
    {
      if(item.vallidate(ic5,iq5))
      {
       gotoxy(59,13);
       cout<<item.item_rate*iq5;
       amount=amount+(item.item_rate*iq5);
       item.qty_in_stock=item.qty_in_stock-iq5;
       item_file.seekg(n-sizeof(item));
       item_file.write((char*)&item,sizeof(item));
      }
    }
    item_file.read((char*)&item,sizeof(item));
    n=item_file.tellg();
  }
item_file.close();
return amount;
}

node* item_list::create_list()
{
fstream item_file;
item_file.open("itemfile.dat",ios::in);
item_file.seekg(0);
item_file.read((char*)&item,sizeof(item));
start=new node;
ptr=start;
while(!item_file.eof())
    {
    ptr->rec_no=item.item_code;   // save record no. in the index
    ptr->link=new node;           // get new node for the record
    ptr=ptr->link;
    item_file.read((char*)&item,sizeof(item));    // read the next record
    }
    ptr->link=NULL;   // end of the list
    item_file.close();
    return start;
    }

void item_list::items_available()
{
fstream item_file;
clrscr();
gotoxy(20,2);
cout<<"ITEM AVAILABLE";
gotoxy(20,3);
cout<<"--------------";
gotoxy(10,5);
cout<<"ITEM CODE";
gotoxy(10,6);
cout<<"---------";
gotoxy(20,5);
cout<<"STOCK";
gotoxy(20,6);
cout<<"-----";
gotoxy(30,5);
cout<<"ITEM NAME";
gotoxy(30,6);
cout<<"---------";
gotoxy(40,5);
cout<<"ITEM RATE";
gotoxy(40,6);
cout<<"---------";
int y=7;
item_file.open("itemfile.dat",ios::in);
item_file.seekg(0);
item_file.read((char*)&item,sizeof(item));
while(!item_file.eof())
{
gotoxy(10,y);
cout<<item.item_code;
gotoxy(20,y);
cout<<item.qty_in_stock;
gotoxy(30,y);
cout<<item.item_name;
gotoxy(40,y);
cout<<item.item_rate;
y++;
item_file.read((char*)&item,sizeof(item));
}
item_file.close();
}

void item_list::purchase_order()
{
fstream item_file;
gotoxy(20,2);
cout<<"PURCHASE ORDER LIST";
gotoxy(20,3);
cout<<"-------------------";
gotoxy(10,5);
cout<<"ITEM CODE";
gotoxy(10,6);
cout<<"---------";
gotoxy(20,5);
cout<<"STOCK";
gotoxy(20,6);
cout<<"-----";
gotoxy(30,5);
cout<<"ITEM NAME";
gotoxy(30,6);
cout<<"---------";
gotoxy(40,5);
cout<<"ITEM RATE";
gotoxy(40,6);
cout<<"---------";
int y=7;
item_file.open("itemfile.dat",ios::in);
item_file.seekg(0);
item_file.read((char*)&item,sizeof(item));
while(!item_file.eof())
{
if(item.qty_in_stock<20)
{
gotoxy(10,y);
cout<<item.item_code;
gotoxy(20,y);
cout<<item.qty_in_stock;
gotoxy(30,y);
cout<<item.item_name;
gotoxy(40,y);
cout<<item.item_rate;
y++;
}
item_file.read((char*)&item,sizeof(item));
}
item_file.close();
}

void sales_list::daily_sales_report(struct date_rec current_date)
{
fstream sales_file;
ptr=start;
int y=7;
gotoxy(20,2);
cout<<"DAILY SALES REPORT";
gotoxy(20,3);
cout<<"------------------";
gotoxy(20,5);
cout<<"ITEM CODE";
gotoxy(40,5);
cout<<"QTY SOLD";
gotoxy(20,6);
cout<<"---------";
gotoxy(40,6);
cout<<"--------";
while(ptr->link!=NULL)
{
int qty=0;
sales_file.open("cashmemo.dat",ios::in);
sales_file.seekg(0,ios::beg);
sales_file.read((char*)&cash_memo,sizeof(cash_memo));
while(!sales_file.eof())
{
if(current_date.day==cash_memo_date.day&&current_date.month==
cash_memo_date.month&&current_date.year==cash_memo_date.year)
        {
        if(ptr->rec_no==cash_memo.item_code1)
          qty=qty+cash_memo.i_qty1;
        if(ptr->rec_no==cash_memo.item_code2)
          qty=qty+cash_memo.i_qty2;
        if(ptr->rec_no==cash_memo.item_code3)
          qty=qty+cash_memo.i_qty3;
        if(ptr->rec_no==cash_memo.item_code4)
          qty=qty+cash_memo.i_qty4;
        if(ptr->rec_no==cash_memo.item_code5)
          qty=qty+cash_memo.i_qty5;
        }
        sales_file.read((char*)&cash_memo,sizeof(cash_memo));
        }
        sales_file.close();
        gotoxy(20,y);
        cout<<ptr->rec_no;
        gotoxy(40,y);
        cout<<qty;
        y++;
        ptr=ptr->link;
        }
}

// MAIN FUNCTION
void main()
{
char ch;
int key,main_choice,valid=0;
    do
    {
        clrscr();   // clear screen
        if(valid!=0)
        {
        gotoxy(25,11);
        cout<<"INVALID DATE";
        gotoxy(25,12);
        cout<<"PRESS ANY KEY TO TRY AGAIN";
        getch();
        clrscr();
        }
        gotoxy(22,10);
        cout<<"ENTER CURRENT DATE(dd/mm/yyyy)";
        gotoxy(25,11);
        cin>>current_date.day>>ch>>current_date.month>>
        ch>>current_date.year;
        valid=(current_date.day<0)||(current_date.day>31)
          ||(current_date.month>12)||(current_date.month<=0)
          ||(current_date.year<1998);   // validate date
        }while(valid!=0);

        do
        {
        clrscr();
        gotoxy(20,5);
        cout<<"ABC DEPARTMENTAL STORE";
        gotoxy(20,7);
        cout<<"----------------";
        gotoxy(20,7);
        cout<<"-----------------";
        gotoxy(22,10);
        cout<<"SUPERVISOR      ..........S";
        gotoxy(22,12);
        cout<<"CASHMEMO        ...........C";
        gotoxy(22,14);
        cout<<"QUIT            ...........Q";
        main_choice=toupper(getch());
        switch(main_choice)
            {
            case 'S':int s_choice;
                do
                {
                clrscr();
                gotoxy(28,2);
                cout<<"---------------";
                gotoxy(28,3);
                cout<<"SUPERVISOR MODE";
                gotoxy(28,4);
                cout<<"----------------";
                gotoxy(20,6);
                cout<<"UPDATE STOCK ON PURCHASE         .....1";
                gotoxy(20,8);
                cout<<"TODAY'S SALES REPORT             .....2";
                gotoxy(20,10);
                cout<<"LIST OF ITEM AVAILABLE           .....3";
                gotoxy(20,12);
                cout<<"PURCHASE ORDER LIST              .....4";
                gotoxy(20,14);
                cout<<"EXIT SUPERVISOR MODE             .....5";
                gotoxy(20,16);
                cout<<"ENTER YOUR CHOICE ----------------->";
                cin>>s_choice;
                switch(s_choice)
                {
                case 1:int key;
                    do
                    {
                    item_list temp_item;
                    clrscr();
                    temp_item.get_item();
                    temp_item.update_on_purchase(temp_item);
                    gotoxy(18,24);
                    cout<<"CONTINUE:C      QUIT:Q";
                    key=toupper(getch());
                    }
                    while(key!='Q');
                    break;
                case 2: clrscr();
                    item.create_list();
                    cash_memo.daily_sales_report(current_date);
                    getch();
                    break;
                case 3: item.items_available();
                    getch();
                    break;
                case 4: clrscr();
                    item.purchase_order();
                    getch();
                    break;
                case 5: break;
                }
            }
        while(s_choice!=5);
        break;
    case 'C': do
        {
        int memo_num;
        memo_num=cash_memo.get_memo_no(current_date);
        clrscr();
        gotoxy(24,1);
        cout<<"------------------------------";
        gotoxy(24,2);
        cout<<"ABC DEPARTMENTAL STORE";
        gotoxy(24,3);
        cout<<"------------------------------";
        gotoxy(30,5);
        cout<<"CASHMEMO";
        gotoxy(30,6);
        cout<<"--------------------------------";
        gotoxy(10,7);
        textbackground(RED+BLINK);
        cprintf("DATE:");
        cout<<current_date.day<<"/"<<current_date.month<<"/"<<current_date.year;
        gotoxy(10,8);
        cout<<"MEMO NO:"<<memo_num;
        gotoxy(10,9);
        cout<<"ITEM CODE";
        gotoxy(25,9);
        cout<<"QTY";
        gotoxy(40,9);
        cout<<"AMOUNT";
        int ic1,ic2,ic3,ic4,ic5;
        int iq1,iq2,iq3,iq4,iq5;
        gotoxy(24,9);
        cin>>ic1;
        gotoxy(41,9);
        cin>>iq1;
        gotoxy(24,10);
        cin>>ic2;
        gotoxy(41,10);
        cin>>iq2;
        gotoxy(24,11);
        cin>>ic3;
        gotoxy(41,11);
        cin>>iq3;
        gotoxy(24,12);
        cin>>ic4;
        gotoxy(41,12);
        cin>>iq4;
        gotoxy(24,13);
        cin>>ic5;
        gotoxy(41,13);
        cin>>iq5;
        float total_amount=0;
        total_amount=item.update_on_sale(ic1,ic2,ic3,ic4,ic5,
                                       iq1,iq2,iq3,iq4,iq5);
        gotoxy(25,15);
        cout<<"TOTAL AMOUNT:"<<total_amount;
        cash_memo.update_sales_file(memo_num,ic1,ic2,ic3,ic4,ic5,
                                    iq1,iq2,iq3,iq4,iq5,total_amount);
        gotoxy(20,17);
        cout<<"CONTINUE:C      QUIT:Q";
        }
        while(toupper(getch())!='Q');
        break;
    case 'Q': break;
    }
}while(main_choice!='Q');
}