- tweak: code management

src/userinterfaces/windows/loginwindow.cpp

@@ -0,0 +1,108 @@
+#include "loginwindow.h"
+#include "../../services/database.h"
+#include <QMessageBox>
+#include <QPushButton>
+
+LoginWindow::LoginWindow(QWidget* parent)
+    : QDialog(parent), isRegistering(false)
+{
+    setWindowTitle("Авторизация - Система вокзала");
+    setFixedSize(400, 280);
+    setModal(true);
+
+    QVBoxLayout* mainLayout = new QVBoxLayout(this);
+    mainLayout->setSpacing(15);
+    mainLayout->setContentsMargins(30, 30, 30, 30);
+
+    QLabel* titleLabel = new QLabel("Система учета вокзала", this);
+    titleLabel->setAlignment(Qt::AlignCenter);
+    titleLabel->setStyleSheet("font-size: 18px; font-weight: bold;");
+    mainLayout->addWidget(titleLabel);
+
+    QLabel* userLabel = new QLabel("Логин:", this);
+    m_usernameEdit = new QLineEdit(this);
+    m_usernameEdit->setPlaceholderText("Введите логин");
+    mainLayout->addWidget(userLabel);
+    mainLayout->addWidget(m_usernameEdit);
+
+    QLabel* passLabel = new QLabel("Пароль:", this);
+    m_passwordEdit = new QLineEdit(this);
+    m_passwordEdit->setPlaceholderText("Введите пароль");
+    m_passwordEdit->setEchoMode(QLineEdit::Password);
+    mainLayout->addWidget(passLabel);
+    mainLayout->addWidget(m_passwordEdit);
+
+    m_messageLabel = new QLabel(this);
+    m_messageLabel->setAlignment(Qt::AlignCenter);
+    m_messageLabel->setStyleSheet("color: red;");
+    mainLayout->addWidget(m_messageLabel);
+
+    QHBoxLayout* btnLayout = new QHBoxLayout();
+    m_loginBtn = new QPushButton("Войти", this);
+    m_registerBtn = new QPushButton("Регистрация", this);
+    btnLayout->addWidget(m_loginBtn);
+    btnLayout->addWidget(m_registerBtn);
+    mainLayout->addLayout(btnLayout);
+
+    connect(m_loginBtn, &QPushButton::clicked, this, &LoginWindow::onLoginClicked);
+    connect(m_registerBtn, &QPushButton::clicked, this, &LoginWindow::onRegisterClicked);
+}
+
+void LoginWindow::onLoginClicked() {
+    QString username = m_usernameEdit->text().trimmed();
+    QString password = m_passwordEdit->text();
+
+    if (username.isEmpty() || password.isEmpty()) {
+        m_messageLabel->setText("Заполните все поля!");
+        return;
+    }
+
+    if (Database::instance().authenticate(username, password)) {
+        User user = Database::instance().getUser(username);
+        m_username = user.username;
+        m_role = user.role;
+        accept();
+    } else {
+        m_messageLabel->setText("Неверный логин или пароль!");
+        m_passwordEdit->clear();
+    }
+}
+
+void LoginWindow::onRegisterClicked() {
+    if (!isRegistering) {
+        isRegistering = true;
+        m_loginBtn->setText("Зарегистрироваться");
+        m_registerBtn->setText("Отмена");
+        m_messageLabel->setText("Регистрация нового пользователя");
+        m_messageLabel->setStyleSheet("color: green;");
+    } else {
+        QString username = m_usernameEdit->text().trimmed();
+        QString password = m_passwordEdit->text();
+
+        if (username.isEmpty() || password.isEmpty()) {
+            m_messageLabel->setText("Заполните все поля!");
+            m_messageLabel->setStyleSheet("color: red;");
+            return;
+        }
+
+        if (password.length() < 4) {
+            m_messageLabel->setText("Пароль должен быть >= 4 символов!");
+            m_messageLabel->setStyleSheet("color: red;");
+            return;
+        }
+
+        if (Database::instance().addUser(username, password, "cashier")) {
+            QMessageBox::information(this, "Успех", "Пользователь зарегистрирован!");
+            isRegistering = false;
+            m_loginBtn->setText("Войти");
+            m_registerBtn->setText("Регистрация");
+            m_messageLabel->setText("");
+            m_messageLabel->setStyleSheet("color: red;");
+            m_usernameEdit->clear();
+            m_passwordEdit->clear();
+        } else {
+            m_messageLabel->setText("Ошибка: пользователь уже существует!");
+            m_messageLabel->setStyleSheet("color: red;");
+        }
+    }
+}