108 lines
4.1 KiB
C++
108 lines
4.1 KiB
C++
#include "loginwindow.h"
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#include "database.h"
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#include <QMessageBox>
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LoginWindow::LoginWindow(QWidget* parent)
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: QDialog(parent), isRegistering(false)
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{
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setWindowTitle("Авторизация - Система вокзала");
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setFixedSize(400, 280);
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setModal(true);
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QVBoxLayout* mainLayout = new QVBoxLayout(this);
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mainLayout->setSpacing(15);
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mainLayout->setContentsMargins(30, 30, 30, 30);
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QLabel* titleLabel = new QLabel("Система учета вокзала", this);
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titleLabel->setAlignment(Qt::AlignCenter);
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titleLabel->setStyleSheet("font-size: 18px; font-weight: bold;");
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mainLayout->addWidget(titleLabel);
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QLabel* userLabel = new QLabel("Логин:", this);
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m_usernameEdit = new QLineEdit(this);
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m_usernameEdit->setPlaceholderText("Введите логин");
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mainLayout->addWidget(userLabel);
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mainLayout->addWidget(m_usernameEdit);
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QLabel* passLabel = new QLabel("Пароль:", this);
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m_passwordEdit = new QLineEdit(this);
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m_passwordEdit->setPlaceholderText("Введите пароль");
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m_passwordEdit->setEchoMode(QLineEdit::Password);
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mainLayout->addWidget(passLabel);
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mainLayout->addWidget(m_passwordEdit);
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m_messageLabel = new QLabel(this);
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m_messageLabel->setAlignment(Qt::AlignCenter);
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m_messageLabel->setStyleSheet("color: red;");
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mainLayout->addWidget(m_messageLabel);
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QHBoxLayout* btnLayout = new QHBoxLayout();
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m_loginBtn = new QPushButton("Войти", this);
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m_registerBtn = new QPushButton("Регистрация", this);
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btnLayout->addWidget(m_loginBtn);
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btnLayout->addWidget(m_registerBtn);
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mainLayout->addLayout(btnLayout);
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connect(m_loginBtn, &QPushButton::clicked, this, &LoginWindow::onLoginClicked);
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connect(m_registerBtn, &QPushButton::clicked, this, &LoginWindow::onRegisterClicked);
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}
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void LoginWindow::onLoginClicked() {
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QString username = m_usernameEdit->text().trimmed();
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QString password = m_passwordEdit->text();
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if (username.isEmpty() || password.isEmpty()) {
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m_messageLabel->setText("Заполните все поля!");
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return;
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}
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if (Database::instance().authenticate(username, password)) {
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User user = Database::instance().getUser(username);
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m_username = user.username;
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m_role = user.role;
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accept();
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} else {
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m_messageLabel->setText("Неверный логин или пароль!");
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m_passwordEdit->clear();
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}
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}
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void LoginWindow::onRegisterClicked() {
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if (!isRegistering) {
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isRegistering = true;
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m_loginBtn->setText("Зарегистрироваться");
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m_registerBtn->setText("Отмена");
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m_messageLabel->setText("Регистрация нового пользователя");
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m_messageLabel->setStyleSheet("color: green;");
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} else {
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QString username = m_usernameEdit->text().trimmed();
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QString password = m_passwordEdit->text();
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if (username.isEmpty() || password.isEmpty()) {
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m_messageLabel->setText("Заполните все поля!");
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m_messageLabel->setStyleSheet("color: red;");
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return;
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}
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if (password.length() < 4) {
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m_messageLabel->setText("Пароль должен быть >= 4 символов!");
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m_messageLabel->setStyleSheet("color: red;");
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return;
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}
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if (Database::instance().addUser(username, password, "cashier")) {
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QMessageBox::information(this, "Успех", "Пользователь зарегистрирован!");
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isRegistering = false;
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m_loginBtn->setText("Войти");
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m_registerBtn->setText("Регистрация");
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m_messageLabel->setText("");
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m_messageLabel->setStyleSheet("color: red;");
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m_usernameEdit->clear();
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m_passwordEdit->clear();
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} else {
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m_messageLabel->setText("Ошибка: пользователь уже существует!");
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m_messageLabel->setStyleSheet("color: red;");
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}
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}
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}
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