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Inventory Program
Wednesday, 20 February 2008
Ch. 12 Inventory Program

#include <iostream>
#include <iomanip>
#include <string>
#include <cstdlib>
#include <fstream>
using namespace std;

struct Inventory
{
   string description;
   int quantity;
   float wholesale;
   float retail;
   float balance;
   string date;
};

void Menu(void);  
void Enter(int index, Inventory *c);
void Change(void);
void Display(int x, int index, Inventory *c);
void Remainder(int index);
void Write(int x, int index, int most, Inventory *c, ofstream &report);
void Clear(void);
void Flush(void);

int main(void)
{
   ofstream report;
   Inventory item[20];
   int index = 0, choice, x = 0, most;
   report.open("Report.txt");
   cout << "   Menu for record  #: " << (index+1);
   Menu();
   cout << "\n   \tYour choice: ";
   cin >> choice;
   while ((choice != 5) && (index <= 20))
   {
      Clear();
      if (choice==1)
      {
         Enter(index, &item[index]);
   Clear();
   }        
   else if (choice==2)
   {
      most = index;
         Change();
   cin >> index;
   index-=1;
   }
   else if (choice ==3)
   {
         Display(x,index,&item[x]);
   }
   else if (choice ==4)
   {
      Remainder(index);
      index++;
   most++;
   }
   cout << "\n\n\n   Menu for record #" << (index+1);
      Menu();
   cout << "\n   \tYour choice: ";
      cin >> choice;
   }
   Write(x,index,most,&item[x], report);
   report.close();
   cout << "\n\n   Thank you for using the program!" << endl;
   cout << "   Please review Report.txt file for all inventory review" << endl;
   Flush();
   cout << "\n\n   Press any key to end "<< endl;
   getchar();
   return 0;
}

void Menu(void)
{
   cout << "\n   Please choose:\n\n"
            "   \t1) Enter New Record\n"
            "   \t2) Change Record\n"
   "   \t3) Display Record\n"
   "   \t4) Input Next Record\n"
            "   \t5) Quit\n";
}

void Enter(int index, Inventory *c)
{
   Flush();
   cout << "\n\nItem Description: ";
   getline(cin, c->description);
   while (c->description.empty())
   {
    cout << "Invalid data, try again\n";
    cout << "Item Description: ";
    cin >> c->description;
   }
   Flush();
   cout << "Quantity on hand: ";
   cin >> c->quantity;
   while (c->quantity < 0)
   {
    cout << "Invalid data. Try again\n";
    cout << "Quantity on hand: ";
    cin >> c->quantity;
   }
   Flush();
   cout << "Wholesale cost: ";
   cin >> c->wholesale;
   while (c->wholesale < 0)
   {
    cout << "Invalid data. Try again\n";
    cout << "Wholesale cost: ";
    cin >> c->wholesale;
   }
   Flush();
   cout << "Retail cost: ";
   cin >> c->retail;
   while (c->retail < 0)
   {
    cout << "Invalid data.T try again\n";
    cout << "Retail cost: ";
    cin >> c->retail;
   }
   Flush();
   cout << "Date added: ";
   getline(cin, c->date);
   while (c->date.empty())
   {
    cout << "Invalid. Try again\n";
    cout << "Date added: ";
    cin >> c->date;
   }
   cout << "\n\n";
}

void Change(void)
{
   cout << "Enter the record number and press 1 to fill out the information\n" << endl;
   cout << "Record number: ";
}

void Display(int x, int index, Inventory *c)
{
   cout << "Which record would you like to see?" << endl;
   cout << "Current record number is: " << (index+1) << "\n\n";
   cin >> x;
   cout << "\nHere is the data for record #" << x;
   x-=1;
   cout << "\n\nItem Description: " << c[x].description << endl;
   cout << "Quantity on hand: " << c[x].quantity << endl;
   cout << "Wholesale cost: " << c[x].wholesale << endl;
   cout << "Retail cost: " << c[x].retail << endl;
   cout << "Date added to inventory: " << c[x].date << "\n\n" << endl;
}


void Write(int x, int index,int most, Inventory *c, ofstream &report)
{
   index = most;
   x = index;
   report << "\n\n   FULL INVENTORY REPORT\n\n" ;
   for (index=0; index <= x; index++)
   {
   report << "\nRecord Number: " << (index+1) << endl;
   report << "Item Description: " << c[index].description << endl;
   report << "Quantity on hand: " << c[index].quantity << endl;
   report << "Wholesale cost: " << c[index].wholesale << endl;
   report << "Retail cost: " << c[index].retail << endl;
   report << "Date added to inventory: " << c[index].date << endl;
   }
}

void Remainder(int index)
{
   cout << "Your data is in record  #" << (index+1);
}

void Clear(void)
{
   #ifdef _WIN32
      system("cls");
   #else
      system("clear");
   #endif
}

void Flush(void)
{
   int ch;
   do
   {
      ch = getchar();
   }
   while (ch != EOF && ch != '\n');
   clearerr(stdin);
}

 


Posted by veronicak5678 at 3:59 PM EST

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