Shopping Management System.

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#include<stdlib.h>
#include<iostream.h>
#include<string.h>
#include<conio.h>

#define MAX 100

class itemEntry{
public:
float unit_price;
int copies;
char name[30];
char company[30];
};

class Store{
public:
int numItem;
itemEntry database[MAX];

Store(){
numItem = 0;
}
void insertItem( char itemName[], char company[], int c,float p);
void deleteItem( char itemName[]);
itemEntry *search( char itemName[]);
void updateItem(char itemName[], int total, float price);
};

void Store::insertItem( char itemName[], char company[], int c, float p){
strcpy( database[numItem].name, itemName);
strcpy( database[numItem].company, company);
database[numItem].copies = c;
database[numItem].unit_price = p;
cout << "Item Inserted Successfully.\n";
++numItem;
}

void Store::deleteItem( char itemName[]){
int i;
for( i = 0; i < numItem; i++){
if( strcmp( itemName, database[i].name) == 0){
database[i].copies--;
cout << "Item Deleted Successfully.\n";
return;
}
}
cout << "Item not found.\n";
}

itemEntry *Store::search( char itemName[]){
int i;
for( i = 0; i < numItem; i++){
if( strcmp( itemName, database[i].name) == 0)
return &database[i];
}
return NULL;
}

void Store::updateItem(char itemName[], int total, float price)
{
itemEntry *item = search(itemName);
if(item == NULL)
{
cout<<"Item not found.\n";
return;
}
item->copies += total;
item->unit_price = price;
}

int main(){
Store sto;
system("cls");
char option, name[30], company[30], copies[10],unit_price[30];
while( option != 'e' ){
cout << "\n----------->Enter your choice:<------------\n";
cout << "I for insert\n";
cout << "D for delete\n";
cout << "S for search\n";
cout << "U for update\n";
cout << "E for exit\n";

cin.getline( name, 80);
option = name[0];

switch( option){

case 'i':
cout << "Enter Name of Item, Company and no of copies,Unit price per line:\n";
cin.getline( name, 80);
cin.getline(company, 80);
cin.getline(copies, 80);
cin.getline(unit_price, 80);
sto.insertItem( name, company, atoi(copies),atof(unit_price));
break;
case 'd':
cout << "Enter Name of Item:\n";
cin.getline(name, 80);
sto.deleteItem(name);
break;
case 's':
cout << "Enter Name of Item:\n";
cin.getline(name, 80);
itemEntry *test;
test = sto.search( name );
if( test != NULL){
cout<<"---------------->Searching Result<---------------------" <<endl;
cout << "Item found\n" <<"Name of the Item:"<< test->name << endl <<"Company name:"<< test->company << endl <<"Number of copies available:"<< test->copies << endl<<"Unit price:"<<test->unit_price << endl;
}
else
cout << "Item not found\n";
break;
case 'u':
cout << "Enter details for update...\n";
cout << "Enter name: "; cin.getline(name, 80);
cout << "Enter total new entry: "; cin.getline(copies, 80);
cout << "Enter new price: "; cin.getline(unit_price, 80);
sto.updateItem(name, atoi(copies), atof(unit_price));
break;
/* case 'e':
exit(0);
break;*/
}
}
return 0;
}