You are to write a C++ program to produce an inventory report for a local compan

Question

You are to write a C++ program to produce an inventory report for a local company. Your input will be item name, item number, quantity, price per item, safe stock value. YOU ARE TO USE ARRAYS AND FUNCTIONS. The output will be sent to a file. The following shows which columns the input will be in:
item name item number quantity price safe stock 20 chars 5 char 3 char 6 chars 3 chars

Output will be as follows:
item number item name quantity price price*quantity %ofStock flag

You will put a symbol in the flag field when the inventory quantity is less than the safe stock value. This tells the company that they are getting too low on this item and need to build up the stock.
Print the report in sorted ordered, sorted on item number. Indicate the total value of the stock. Indicate the percentage of total inventory value to the total value of the highest single item in inventory. Print the item and its information. (Print this item again at the end of the table.)
You must use the struct data structure and functions. Use ‘typedef’ for array declarations.
Your input file will be found in invt.txt.
invt.txt looks like this:
Wong Batts 98723 243 6.45 200 Widgets No Two 83209 970 17.50 800 HumpBack Whale Songs 74329 42 23.70 50 Frozen Ice Cubes 73922 100 0.15 250 Plastic Ice Cubes 10044 450 0.60 540 Canned Solar Winds 23923 12 550.00 5 Sented Toe Jamm 18492 14 0.50 20 UnSented Toe Jam 18499 23 .74 20 Backwards Left Turns 87293 5 34.95 12 El Slick Slider 38324 15 225.00 18 Meals for Up Chuck 62042 20 16.50 24 Super House Cleaner 71083 14 69.85 18 Stars Dancing Shoes 23934 80 22.50 75 LowRider Briches 98744 138 45.95 125 HighRider Shoes 12283 372 35.95 400 Colored Pie Charts 51121 60 1.50 30 LensLess Saftey Glas 44433 22 2.10 35 Used Boat Anchors 73277 6 17.50 7

You are to write a C++ program to produce an inventory report for a local company. Your input will be item name, item number, quantity, price per item, safe stock value. YOU ARE TO USE ARRAYS AND FUNCTIONS. The output will be sent to a file. The following shows which columns the input will be in:
item name item number quantity price safe stock 20 chars 5 char 3 char 6 chars 3 chars

Output will be as follows:
item number item name quantity price price*quantity %ofStock flag

You will put a symbol in the flag field when the inventory quantity is less than the safe stock value. This tells the company that they are getting too low on this item and need to build up the stock.
Print the report in sorted ordered, sorted on item number. Indicate the total value of the stock. Indicate the percentage of total inventory value to the total value of the highest single item in inventory. Print the item and its information. (Print this item again at the end of the table.)
You must use the struct data structure and functions. Use ‘typedef’ for array declarations.
Your input file will be found in invt.txt.
invt.txt looks like this:
Wong Batts 98723 243 6.45 200 Widgets No Two 83209 970 17.50 800 HumpBack Whale Songs 74329 42 23.70 50 Frozen Ice Cubes 73922 100 0.15 250 Plastic Ice Cubes 10044 450 0.60 540 Canned Solar Winds 23923 12 550.00 5 Sented Toe Jamm 18492 14 0.50 20 UnSented Toe Jam 18499 23 .74 20 Backwards Left Turns 87293 5 34.95 12 El Slick Slider 38324 15 225.00 18 Meals for Up Chuck 62042 20 16.50 24 Super House Cleaner 71083 14 69.85 18 Stars Dancing Shoes 23934 80 22.50 75 LowRider Briches 98744 138 45.95 125 HighRider Shoes 12283 372 35.95 400 Colored Pie Charts 51121 60 1.50 30 LensLess Saftey Glas 44433 22 2.10 35 Used Boat Anchors 73277 6 17.50 7

You are to write a C++ program to produce an inventory report for a local company. Your input will be item name, item number, quantity, price per item, safe stock value. YOU ARE TO USE ARRAYS AND FUNCTIONS. The output will be sent to a file. The following shows which columns the input will be in:
item name item number quantity price safe stock 20 chars 5 char 3 char 6 chars 3 chars

Output will be as follows:
item number item name quantity price price*quantity %ofStock flag

You will put a symbol in the flag field when the inventory quantity is less than the safe stock value. This tells the company that they are getting too low on this item and need to build up the stock.
Print the report in sorted ordered, sorted on item number. Indicate the total value of the stock. Indicate the percentage of total inventory value to the total value of the highest single item in inventory. Print the item and its information. (Print this item again at the end of the table.)
You must use the struct data structure and functions. Use ‘typedef’ for array declarations.
Your input file will be found in invt.txt.
invt.txt looks like this:
Wong Batts 98723 243 6.45 200 Widgets No Two 83209 970 17.50 800 HumpBack Whale Songs 74329 42 23.70 50 Frozen Ice Cubes 73922 100 0.15 250 Plastic Ice Cubes 10044 450 0.60 540 Canned Solar Winds 23923 12 550.00 5 Sented Toe Jamm 18492 14 0.50 20 UnSented Toe Jam 18499 23 .74 20 Backwards Left Turns 87293 5 34.95 12 El Slick Slider 38324 15 225.00 18 Meals for Up Chuck 62042 20 16.50 24 Super House Cleaner 71083 14 69.85 18 Stars Dancing Shoes 23934 80 22.50 75 LowRider Briches 98744 138 45.95 125 HighRider Shoes 12283 372 35.95 400 Colored Pie Charts 51121 60 1.50 30 LensLess Saftey Glas 44433 22 2.10 35 Used Boat Anchors 73277 6 17.50 7

You are to write a C++ program to produce an inventory report for a local company. Your input will be item name, item number, quantity, price per item, safe stock value. YOU ARE TO USE ARRAYS AND FUNCTIONS. The output will be sent to a file. The following shows which columns the input will be in:
item name item number quantity price safe stock 20 chars 5 char 3 char 6 chars 3 chars

Output will be as follows:
item number item name quantity price price*quantity %ofStock flag

You will put a symbol in the flag field when the inventory quantity is less than the safe stock value. This tells the company that they are getting too low on this item and need to build up the stock.
Print the report in sorted ordered, sorted on item number. Indicate the total value of the stock. Indicate the percentage of total inventory value to the total value of the highest single item in inventory. Print the item and its information. (Print this item again at the end of the table.)
You must use the struct data structure and functions. Use ‘typedef’ for array declarations.
Your input file will be found in invt.txt.
invt.txt looks like this:
Wong Batts 98723 243 6.45 200 Widgets No Two 83209 970 17.50 800 HumpBack Whale Songs 74329 42 23.70 50 Frozen Ice Cubes 73922 100 0.15 250 Plastic Ice Cubes 10044 450 0.60 540 Canned Solar Winds 23923 12 550.00 5 Sented Toe Jamm 18492 14 0.50 20 UnSented Toe Jam 18499 23 .74 20 Backwards Left Turns 87293 5 34.95 12 El Slick Slider 38324 15 225.00 18 Meals for Up Chuck 62042 20 16.50 24 Super House Cleaner 71083 14 69.85 18 Stars Dancing Shoes 23934 80 22.50 75 LowRider Briches 98744 138 45.95 125 HighRider Shoes 12283 372 35.95 400 Colored Pie Charts 51121 60 1.50 30 LensLess Saftey Glas 44433 22 2.10 35 Used Boat Anchors 73277 6 17.50 7

You are to write a C++ program to produce an inventory report for a local company. Your input will be item name, item number, quantity, price per item, safe stock value. YOU ARE TO USE ARRAYS AND FUNCTIONS. The output will be sent to a file. The following shows which columns the input will be in:
item name item number quantity price safe stock 20 chars 5 char 3 char 6 chars 3 chars

Output will be as follows:
item number item name quantity price price*quantity %ofStock flag

You will put a symbol in the flag field when the inventory quantity is less than the safe stock value. This tells the company that they are getting too low on this item and need to build up the stock.
Print the report in sorted ordered, sorted on item number. Indicate the total value of the stock. Indicate the percentage of total inventory value to the total value of the highest single item in inventory. Print the item and its information. (Print this item again at the end of the table.)
You must use the struct data structure and functions. Use ‘typedef’ for array declarations.
Your input file will be found in invt.txt.
invt.txt looks like this:
Wong Batts 98723 243 6.45 200 Widgets No Two 83209 970 17.50 800 HumpBack Whale Songs 74329 42 23.70 50 Frozen Ice Cubes 73922 100 0.15 250 Plastic Ice Cubes 10044 450 0.60 540 Canned Solar Winds 23923 12 550.00 5 Sented Toe Jamm 18492 14 0.50 20 UnSented Toe Jam 18499 23 .74 20 Backwards Left Turns 87293 5 34.95 12 El Slick Slider 38324 15 225.00 18 Meals for Up Chuck 62042 20 16.50 24 Super House Cleaner 71083 14 69.85 18 Stars Dancing Shoes 23934 80 22.50 75 LowRider Briches 98744 138 45.95 125 HighRider Shoes 12283 372 35.95 400 Colored Pie Charts 51121 60 1.50 30 LensLess Saftey Glas 44433 22 2.10 35 Used Boat Anchors 73277 6 17.50 7 Wong Batts 98723 243 6.45 200 Widgets No Two 83209 970 17.50 800 HumpBack Whale Songs 74329 42 23.70 50 Frozen Ice Cubes 73922 100 0.15 250 Plastic Ice Cubes 10044 450 0.60 540 Canned Solar Winds 23923 12 550.00 5 Sented Toe Jamm 18492 14 0.50 20 UnSented Toe Jam 18499 23 .74 20 Backwards Left Turns 87293 5 34.95 12 El Slick Slider 38324 15 225.00 18 Meals for Up Chuck 62042 20 16.50 24 Super House Cleaner 71083 14 69.85 18 Stars Dancing Shoes 23934 80 22.50 75 LowRider Briches 98744 138 45.95 125 HighRider Shoes 12283 372 35.95 400 Colored Pie Charts 51121 60 1.50 30 LensLess Saftey Glas 44433 22 2.10 35 Used Boat Anchors 73277 6 17.50 7

Explanation / Answer

#include <cstdlib>
#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>
#include <sstream>

using namespace std;

// define a data structure
struct InventoryRecord
{
string name;   // inventory item name
int qty;       // how many are in stock
double cost;   // the cost
};

// const for the max size of the record array
const int MAX_SIZE = 9;

// function prototypes
void addData(InventoryRecord list[], int& size);
void dispData(const InventoryRecord list[], int size);
void saveFile(const InventoryRecord list[], int size);
void openFile(InventoryRecord list[], int& size);
char getMenuResponse();

int main(int argc, char *argv[])
{
InventoryRecord recList[MAX_SIZE];
int numOfRecs = 0;
bool run = true;
do
{
    cout << "Inventory Program - " << numOfRecs << " items in stock" << endl;
   switch ( getMenuResponse() )
   {
        case 'A': addData(recList, numOfRecs); break;
       case 'D': dispData(recList, numOfRecs); break;
       case 'O': openFile(recList, numOfRecs); break;
       case 'S': saveFile(recList, numOfRecs); break;
       case 'Q': run = false; break;
       default : cout << "That is NOT a valid choice" << endl;
   }
} while (run);
cout << endl << "Program Terminated" << endl;

// system("PAUSE"); // Program exits immediatly upon "Quit" if commented out
return EXIT_SUCCESS;
}

// Task:     Allow data entry of one inventory item
// Accepts: References to the inventory array and its size
// Returns: Nothing
// Modifies: The array and size 'actual parameter'
// NOTE:     Could be modified to allow entry of more than one item
void addData(InventoryRecord list[], int& size)
{
InventoryRecord tmp; // declare a temp item that we will load before putting in the array
char response;
char str[256]; // needed for cin.getline; we are going to use a char array
if (size < MAX_SIZE) {
    system("cls");
    cout << "Enter Inventory Records" << endl << endl;
    cout << "Name:     ";
    // Get up to 256 characters from the keyboard including white space.
    // Stop reading if encounter the first. If there's any chance of
    // more than 256 characters you will have to clean up cin with
    // cin.ignore before the next input.
    cin.getline(str, 256, ' '); // for char arrays; different from the other getline
    tmp.name = str;
    cout << "Quantity: ";
    cin >> tmp.qty;
    cout << "Cost:     ";
    cin >> tmp.cost;
    cout << endl;
    // see if this record should be added to the array
    cout << "Add the record to inventory? (y/n) ";
    cin >> response;
    if (toupper(response) == 'Y')
      list[size++] = tmp;
} else {
    cout << "Inventory at full; cannot enter more unit." << endl;
    system("pause");
}
system("cls");
}

void dispData(const InventoryRecord list[], int size)
{
system("cls");
double cost = 0;

if(size < 1) {
    cout << "Nothing to display" << endl;
} else {
    cout << "All Inventory item has been shown" << endl << endl;
    cout << fixed << setprecision(2);
    cout << "Item Name              Qty     Cost" << endl;
    cout << "~~~~~~~~~~~~~~~~~~" << endl;
      
    cout << left;   
    for (int i = 0; i < size; i++) {
      cout << setw(21) << list[i].name << right
           << setw(4) << list[i].qty
           << setw(10) << list[i].cost << left << endl;
           cost = cost + list[i].cost * list[i].qty;
    }
  
    cout << "~~~~~~~~~~~~~~~~~~~" << endl;
    cout << right << setw(3) << size;
    cout << " items listed";
    cout << right << setw(19) << cost << endl << endl;
}

system("PAUSE");
system("cls");
}

// Save records to disc
void saveFile(const InventoryRecord list[], int size) {
ofstream outfi("Inventory.txt");

// make sure the file stream is open before doing IO
if (!outfi.fail()) {
    system("cls");
    cout << "Saving inventory to the disc ";
  
    for(int i = 0; i < size; i++) {
      outfi << list[i].name << ';'
            << list[i].qty << ';'
            << list[i].cost;
      // Start a new line after all but the last record
      // Simplifies reading the file as EOF is at end of last line
      if (i < size-1) outfi << endl;
    }
    cout << endl << size << " records writen to the disc." << endl;
    outfi.close();
    system("PAUSE");
    system("cls");
}
else {
    cout << "ERROR: problem with file" << endl;
    system("PAUSE");
    system("cls");
}
}

// Open file and load array
void openFile(InventoryRecord list[], int& size)
{
ifstream infi("Inventory.txt");
string str;
stringstream strstrm;

// make sure the file stream is open before doing IO
if (!infi.fail()) {

    system("cls");
    cout << "Reading inventory from the disc ";
  
    size = 0; // overwrite any existing records
    while(!infi.eof() && size < MAX_SIZE) {
      // get and store the name
      getline(infi, str, ';');
      list[size].name = str;
    
      // get, convert and store the quantity
      getline(infi, str, ';');
      strstrm.str(""); strstrm.clear(); // empty and clear the stringstream
      strstrm << str;
      strstrm >> list[size].qty;
    
      // get, convert and store the cost
      getline(infi, str);
      strstrm.str(""); strstrm.clear(); // empty and clear the stringstream
      strstrm << str;
      strstrm >> list[size++].cost;
    }
    cout << endl << size << " records read from the disc." << endl;

    system("PAUSE");
    system("cls");
}
else { // something went wrong with opening the file
    cout << "ERROR: problem with file" << endl;
    system("PAUSE");
    system("cls");
}

}

char getMenuResponse()


{
   char response;
   cout << endl << "Make your selection" << endl
       << "(A)dd Record, (D)isplay Records, (O)pen File, (S)ave File, (Q)uit" << endl
       << "> ";
   cin >> response;
   cin.ignore(256, ' ');  
  
}

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