1. CRC card
2.Use Case Diagram
3.Class diagram
4. Sequensial diagram
5.Activity Diagram
6. Penerapan
#include<string>
using std::string;
using std::getline;
#include <vector>
using std::vector;
#include <iostream>
using std::cout;
using std::endl;
using std::cin;
#include <iomanip>
using std::setw;
using std::left;
using std::right;
#include <fstream>
using std::ofstream;
using std::ifstream;
#include <sstream>
using std::stringstream;
#include <ctime>
class List {
private:
string _identification;
string _category;
string _itemDescription;
string _price;
string _quantity;
string _total;
string _newprice;
string _VAT;
public:
List();
List(string id, string category, string itemDescription, string price);
List(string id, string quantity, string price, string total, string VAT );
string toString();
void display();
void Bill();
};
class ListItem {
private:
int _identification;
string _price;
vector<List> _items;
vector<List> _itemSlot;
public:
void displayAll();
void ListBill();
void getFile();
void showMenu();
void StopProgram();
};
class Menu {
private:
ListItem _Li;
string _file;
public:
Menu();
bool select();
};
const string currentDateTime() {
time_t now = time(0);
struct tm tstruct;
char buf[80];
tstruct = *localtime(&now);
strftime(buf, sizeof(buf), "%Y-%m-%d.%X", &tstruct);
return buf;
}
//***************************************************************
// Displaying and string data to the document
//****************************************************************
List::List(string id, string itemDescription, string category, string price)
:_identification(id), _itemDescription(itemDescription), _category(category), _price(price){ }
List::List(string id, string quantity, string price, string total, string VAT)
:_identification(id), _quantity(quantity), _price(price), _total(total), _VAT(VAT) { }
string List::toString(){
return string(_identification + ":" + _quantity + ":" + _price + ":" + _total + ":" + _VAT);
}
void List::display(){
cout << _identification << " " << left << _category << " " << left << _itemDescription << " " << left << _price <<setw(2) << left << endl;
}
void List::Bill(){
cout << _identification << " " << _quantity << " " << _price << " " << _total << " " << _VAT;
}
void ListItem::displayAll(){
for(size_t i = 0; i < _items.size(); ++i){
_items[i].display();
}
cout << endl;
}
//***************************************************************
// Read file
//****************************************************************
void ListItem::getFile(){
//Opens the file and reads the file
char ch;
while(ch = 'y')
{
cout << "Enter File name: ";
system("color 1f");
string name = "menu";
cin >> name;
name += ".txt";
ifstream fin(name.c_str());
if(fin){
ch = 'n';
while(!fin.eof()){
string IdNo;
getline(fin, IdNo, ':'); // Finds "IDNO://
string category;
getline(fin, category, ':');
string itemDescription;
getline(fin, itemDescription, ';');
string price;
getline(fin, price);
if(!fin.eof()){
_items.push_back(List(IdNo, category, itemDescription, price));
}
}
}
if (ch = 'n')
{
break;
}
}
}
//***************************************************************
// Allows other functions to link up with each other!!
//****************************************************************
Menu::Menu(){
select();
}
//***************************************************************
// Entering the details
//****************************************************************
void ListItem::showMenu(){
system ("cls");
int ch, quantity;
double price,total, VAT;
char choice;
char buffer[80];
string _quantity, _total, _VAT, _ch;
// User enters data
cout<<"\nn============================";
cout<<"\n PLACE YOUR ORDER";
cout<<"\n============================";
cout << "\nEnter the ID, Quantiy and Price" <<endl;
while((choice = 'y') || (choice = 'Y'))
{
cout << "\nItem ID: ";
cin >> ch;
cout << "\nQuantity; ";
cin >> quantity;
cout << "\nprice: ";
cin >> price;
total = price * quantity;
VAT = total * 1.2;
cout << "\ntotal: " << total << endl;
cout << "\nVAT: " <<VAT << endl;
stringstream stream;
stream << quantity; //String Streams, passes data into the attribute in the class which then gets stored in a vector
stream >> _quantity;
stringstream stream2;
stream2 << price;
stream2 >> _price;
stringstream stream3;
stream3 << total;
stream3 >> _total;
stringstream stream4;
stream4 << VAT;
stream4 >> _VAT;
stringstream stream5;
stream5 << ch;
stream5 >> _ch;
cout << "\nCurrent time: ";
cout << currentDateTime() << std::endl;
getchar();
_itemSlot.push_back(List(_ch, _quantity, _price, _total, _VAT) );
cout << "\n To continue press Y, else to quit press N " << endl;
cin >> choice;
cin.ignore();
if(choice == 'n' || choice == 'N')
{
system("cls");
break;
}
}
}
//********************************************************************************************************
// Gets the information he user enters which is then sent to endMenu when the close it and it saves the file
//**********************************************************************************************************
void ListItem::ListBill(){
cout << "ItemID" << " Quantity" << " Price" << " total" << "VAT" << endl;
for(size_t i = 0; i < _itemSlot.size(); ++i){
_itemSlot[i].Bill();
}
cout <<endl;
}
void ListItem::StopProgram(){
system("color 2f");
string _bill = "Transaction"; // For some unknown strange reason, it saves the file as 5.txt
cout << right << "Bill has been saved " <<endl;
_bill += ".txt";
ofstream fout(_bill.c_str());
for(size_t i = 0; i < _itemSlot.size(); ++i) {
fout << i+1 << " : " << _itemSlot[i].toString() << endl;
}
fout.close();
cout << endl;
}
bool Menu::select(){
system("color 1f");
cout << "Menu====\n" << endl;
cout << "(1) Read a file \n(2) Add a "
"bill \n(3) Display Bill\n(4) Display all data\n(5) Save file and leave the Program\n" << endl;
cout << "Select: ";
char ch;
cin >> ch;
cin.ignore(256, '\n');
cout << endl;
switch(ch)
do
{
case '1' : _Li.getFile();
return true;
case '2' : _Li.showMenu();
return true;
case '3' : _Li.ListBill();
return true;
case '4': _Li.displayAll();
return true;
case '5': _Li.StopProgram();
return false;
default : cout << "Enter an '1', '2' ,'3', '4' or '5' without"
" the qoutes.n";
return true;
}while(ch!=1 || ch !=2 || ch != 3 || ch !=4 || ch!=5);
}
int main(){
//all of the functions are run through menu4
Menu menu;
while(menu.select()) {
// empty body
}
return 0;
}
7. Component Diagram
8. Deployment diagram
