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#include<iostream>
#include<fstream>
#include<string>
#include<tuple>
#include<iomanip>
using namespace std;
tuple<string, float, char> readInventory(int selection);
void displayInventory();
void order();
int main()
{
displayInventory();
order();
system("pause");
return 0;
}
tuple<string, float, char> readInventory(int selection) // tuple used to allow me to call any of the 3 arrays
{
const int arraySize = 26; // setting array for 26 items in list
string name[arraySize];
float price[arraySize];
char taxable[arraySize];
ifstream inventory("E:\\Downloads\\Minimart.txt"); // reading store inventory from txt file. contains item name, item price, and code (N/T) weather the item is taxable or not
for (int count = 0; count < arraySize; count++) // sending info from txt file to 3 parallel arrays
{
inventory >> name[count];
inventory >> price[count];
inventory >> taxable[count];
}
return make_tuple(name[selection], price[selection], taxable[selection]);
}
void displayInventory() // display all items in inventory and their prices
{
cout << "~~~~~~ Current Inventory ~~~~~~" << endl << endl;
for (int count = 0; count < 26; count++)
{
cout.width(5);
cout << count << ". " << get<0>(readInventory(count)) << " " << fixed << setprecision(2);
cout << "$" << get<1>(readInventory(count)) << endl;
}
cout << endl << "Enter item number to place order: "; // prompt user for selection
}
void order()
{
int tax[20], taxCount = 0, noTax[20], noTaxCount = 0; // made arrays tax to hold the selection value of all taxable items and same for non taxable
float total, taxTotal = 0, noTaxTotal = 0, taxDue, taxRate = .07;
int selection;
cin >> selection;
while (selection != -1) // check if selection is equal to my stop sequence and continue if not
{
while (selection >= 0 && selection <= 25) // check if selection was valid compared to list, continue if true
{
if (get<2>(readInventory(selection)) == 'N') // check if item is taxable or not
{
cout << get<0>(readInventory(selection)) << " " << fixed << setprecision(2) << "$" << get<1>(readInventory(selection)) << endl;
noTax[noTaxCount] = selection; // assign item's selection code to no tax array
noTaxCount++;
cout << "Enter another selection or '-1' to finish: ";
cin >> selection;
if (selection == -1)
break;
}
else // same for taxable items
{
cout << get<0>(readInventory(selection)) << " " << fixed << setprecision(2) << "$" << get<1>(readInventory(selection)) << " Taxable" << endl;
tax[taxCount] = selection;
taxCount++;
cout << "Enter another selection or '-1' to finish: ";
cin >> selection;
if (selection == -1)
break;
}
}
if (selection == -1)
{
selection = 0;
break;
}
selection = 0;
cout << "Invalid code, please try again: ";
cin >> selection;
}
for (int count = 0; count < 20; count++) // use item selection values to check prices in inventory arrays
taxTotal += get<1>(readInventory(tax[count]));
for (int count = 0; count < 20; count++)
noTaxTotal += get<1>(readInventory(noTax[count]));
taxDue = taxTotal * taxRate;
total = taxTotal + noTaxTotal;
cout << "Tax Due: $" << fixed << setprecision(2) << taxDue << endl;
cout << "Total Due: $" << fixed << setprecision(2) << total << endl;
cout << "Receipt is saved at ENTER LATER" << endl << endl;
ofstream receipt("E:\\Downloads\\Receipt.txt"); //write reciept to txt file
receipt << "Order Receipt" << endl << endl;
for (int count = 0; count < 20; count++)
cout << get<0>(readInventory(tax[count])) << " " << get<1>(readInventory(tax[count])) << endl; // the cout here and on for easier debuging, will be changed to receipt
for (int count = 0; count < 20; count++)
cout << get<0>(readInventory(noTax[count])) << " " << get<1>(readInventory(noTax[count])) << "Taxable" << endl;
cout << "Tax Due: $" << fixed << setprecision(2) << taxDue << endl;
cout << "Total Due: $" << fixed << setprecision(2) << total << endl;
}
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