PIBD14-Boyko-M.S.-GSM-Autotrans/ProjectGSM/Forms/FormStatusesHistory.cs

using ProjectGSM.Repositories;
using Unity;

namespace ProjectGSM.Forms
{
    public partial class FormStatusesHistory : Form
    {
        private readonly IUnityContainer _container;

        private readonly IStatusHistoryRepository _statusHistoryRepository;

        public FormStatusesHistory(IUnityContainer container, IStatusHistoryRepository statusHistoryRepository)
        {
            InitializeComponent();
            _container = container ??
                         throw new ArgumentNullException(nameof(container));
            _statusHistoryRepository = statusHistoryRepository ??
                                       throw new
                                           ArgumentNullException(nameof(statusHistoryRepository));
        }

        private void addButton_Click(object sender, EventArgs e)
        {
            try
            {
                _container.Resolve<FormStatusHistory>().ShowDialog();
                LoadList();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при добавлении",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void FormClients_Load(object sender, EventArgs e)
        {
            try
            {
                LoadList();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при загрузке",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void LoadList()
        {
            dataGridView.DataSource =
                _statusHistoryRepository.ReadStatusHistories();
            dataGridView.Columns["CaseId"].Visible = false;
            dataGridView.Columns["CreatedAt"].DefaultCellStyle.Format =
                "dd.MM.yyyy";
        }

        private bool TryGetIdentifierFromSelectedRow(out int id)
        {
            id = 0;
            if (dataGridView.SelectedRows.Count < 1)
            {
                MessageBox.Show("Нет выбранной записи", "Ошибка",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
                return false;
            }

            id =
                Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
            return true;
        }
    }
}