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carrental reservecar.cpp
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carrental reservecar.cpp
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#include "reserveCar.h"
#include "ui_reserveCar.h"
reserveCar::reserveCar(QWidget *parent) :
QDialog(parent),
ui(new Ui::reserveCar)
{
ui->setupUi(this);
this->setFixedSize(500, 500); //fix screen size
this->setWindowTitle("Reserve Cars");
connect(ui->confirmBtn, &clickableLabel::clicked, [=](){
confirm_Button_On();
});
}
reserveCar::~reserveCar()
{
delete ui;
}
void reserveCar::setReserveData(QStringList rowData)
{
ui->carName->setText(rowData.at(0));
ui->carModel->setText(rowData.at(1));
ui->carSeats->setText(rowData.at(2));
ui->carEngine->setText(rowData.at(3) + "L");
ui->carColour->setText(rowData.at(4));
ui->carOwner->setText(rowData.at(5));
}
void reserveCar::paintEvent(QPaintEvent *)
{
QPainter painter(this);
QPixmap pix;
pix.load(":/images/white.png");
painter.drawPixmap(0,0,pix);
}
void reserveCar::confirm_Button_On()
{
qDebug() <<inputName;
QString orderNumber = generateOrderNumber(6);
QMessageBox::information(this, "Order Number", "Thank you! "
"Your order number is: " + orderNumber);
QString orders;
orders = QString("Update users "
"set orderNumber = '"+orderNumber+"' Where userName = '"+inputName+"' ");
QSqlQuery sql;
if(sql.exec(orders)) {
qDebug() <<"Update successed";
}
else {
qDebug() <<"failed to get Order Number";
qDebug() <<sql.lastError();
}
}
QString reserveCar::generateOrderNumber(int length)
{
qsrand(QDateTime::currentMSecsSinceEpoch());
const char chrs[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
int chrs_size = sizeof(chrs);
char* ch = new char[length + 1];
memset(ch, 0, length + 1);
int randomx = 0;
for (int i = 0; i < length; ++i)
{
randomx= rand() % (chrs_size - 1);
ch[i] = chrs[randomx];
}
QString ret(ch);
delete[] ch;
return ret;
}