COS3711 Assignment 2 (ANSWERS) 2025 - DISTINCTION GUARANTEED

COS3711 Assignment 2 2025
Unique Number:
Due date: 18 July 2025
Project Structure Overview

You’ll need two separate folders/projects:

COS3711_Assignment2/
│
├── store_app/ <- Project 1: Store application
│ ├── CMakeLists.txt
│ ├── main.cpp
│ ├── MainWindow.h/.cpp
│ ├── Customer.h/.cpp
│ ├── Item.h/.cpp
│ ├── Transaction.h/.cpp
│ └── ...
│
├── udp_receiver/ <- Project 2: UDP listener app
│ ├── CMakeLists.txt
│ ├── main.cpp
│ ├── MainWindow.h/.cpp
│ └── ...




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Project Structure Overview

You’ll need two separate folders/projects:

COS3711_Assignment2/
│
├── store_app/ <- Project 1: Store application
│ ├── CMakeLists.txt
│ ├── main.cpp
│ ├── MainWindow.h/.cpp
│ ├── Customer.h/.cpp
│ ├── Item.h/.cpp
│ ├── Transaction.h/.cpp
│ └── ...
│
├── udp_receiver/ <- Project 2: UDP listener app
│ ├── CMakeLists.txt
│ ├── main.cpp
│ ├── MainWindow.h/.cpp
│ └── ...



1. Starter Code – store_app
✅CMakeLists.txt
cmake
CopyEdit
cmake_minimum_required(VERSION 3.5)

project(store_app)

set(CMAKE_CXX_STANDARD 17)

find_package(Qt5 COMPONENTS Core Widgets Network REQUIRED)

add_executable(store_app
main.cpp
MainWindow.cpp MainWindow.h
Customer.cpp Customer.h
Item.cpp Item.h
Transaction.cpp Transaction.h
)

target_link_libraries(store_app Qt5::Core Qt5::Widgets Qt5::Network)



✅main.cpp
cpp
CopyEdit
#include <QApplication>
#include "MainWindow.h"

, For additional support +27 81 278 3372


int main(int argc, char *argv[]) {
QApplication app(argc, argv);
MainWindow w;
w.show();
return app.exec();
}



✅MainWindow.h
cpp
CopyEdit
#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QTreeView>
#include <QStandardItemModel>
#include <QUdpSocket>
#include <QPushButton>

class MainWindow : public QMainWindow {
Q_OBJECT

public:
MainWindow(QWidget *parent = nullptr);
~MainWindow();

private slots:
void onBroadcastClicked();

private:
QStandardItemModel *transactionModel;
QPushButton *broadcastButton;
void setupUI();
void populateDummyData();
};

#endif // MAINWINDOW_H



✅MainWindow.cpp
cpp
CopyEdit
#include "MainWindow.h"
#include <QVBoxLayout>
#include <QTreeView>
#include <QXmlStreamWriter>
#include <QByteArray>
#include <QThread>
#include <QUdpSocket>
#include <QPushButton>

MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent),
transactionModel(new QStandardItemModel(this))
{