(6.1) [Revisi] CRC card, class diagram, sequensial diagram dan penerapan aplikasi

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;
}