Zimogorov_Arseniy_OrdersManager/Main.cs

using System;
using System.Windows.Forms;


namespace WindowsFormsApp4
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();
            ConfigureMenuByRole();
            SetUserInfo();
            AttachEventHandlers();
        }

        private void AttachEventHandlers()
        {
            btnRequests.Click += BtnRequests_Click;
            btnClients.Click += BtnClients_Click;
            btnManagers.Click += BtnManagers_Click;
            btnReports.Click += BtnReports_Click;
            btnAddresses.Click += BtnAddresses_Click;
            btnLogout.Click += BtnLogout_Click;
        }

        private void SetUserInfo()
        {
            if (Session.CurrentUser != null)
            {
                lblUserInfo.Text = $"{Session.CurrentUser.FirstName} {Session.CurrentUser.LastName} ({GetRoleName(Session.CurrentUser.Role)})";
            }
        }

        private string GetRoleName(string role)
        {
            switch (role)
            {
                case "admin": return "Администратор";
                case "manager": return "Менеджер";
                case "client": return "Клиент";
                default: return role;
            }
        }

        private void ConfigureMenuByRole()
        {
            // По умолчанию все кнопки скрыты
            btnClients.Visible = false;
            btnManagers.Visible = false;
            btnReports.Visible = false;
            btnAddresses.Visible = false;
            btnRequests.Visible = true; // Заявки видят все

            if (Session.IsAdmin)
            {
                btnClients.Visible = true;
                btnManagers.Visible = true;
                btnReports.Visible = true;
            }
            else if (Session.IsManager)
            {
                btnReports.Visible = true;
            }
            else if (Session.IsClient)
            {
                btnAddresses.Visible = true;
            }
        }

        private void BtnRequests_Click(object sender, EventArgs e)
        {
            RequestsForm requestsForm = new RequestsForm();
            requestsForm.ShowDialog();
        }

        private void BtnClients_Click(object sender, EventArgs e)
        {
            ClientsForm clientsForm = new ClientsForm();
            clientsForm.ShowDialog();
        }

        private void BtnManagers_Click(object sender, EventArgs e)
        {
            ManagersForm managersForm = new ManagersForm();
            managersForm.ShowDialog();
        }

        private void BtnReports_Click(object sender, EventArgs e)
        {
            ReportForm reportForm = new ReportForm();
            reportForm.ShowDialog();
        }

        private void BtnAddresses_Click(object sender, EventArgs e)
        {
            AddressesForm addressesForm = new AddressesForm();
            addressesForm.ShowDialog();
        }

        private void BtnLogout_Click(object sender, EventArgs e)
        {
            DialogResult result = MessageBox.Show("Вы уверены, что хотите выйти?",
                "Подтверждение", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

            if (result == DialogResult.Yes)
            {
                Session.Logout();
                StartForm startForm = new StartForm();
                startForm.Show();
                this.Close();
            }
        }
    }
}