Method Update

internal/model/model.go:40–239

(msg tea.Msg)

}

func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
	var cmds []tea.Cmd
	switch msg := msg.(type) {
	case tea.KeyMsg:
		switch msg.String() {
		case tea.KeyCtrlC.String(), "q":
			return m, tea.Quit
		case tea.KeyTab.String():
			// Switch between tabs
			m.CurrentTab = (m.CurrentTab + 1) % 2
			return m, nil
		case "i":
			if m.CurrentTab == 0 {
				selectedItem := m.List.SelectedItem().(styles.Item)
				for _, v := range m.Versions {
					if v.Version == selectedItem.Name && !v.Installed {
						m.Loading = true
						m.InstallingVersion = v.Version
						m.Message = ""
						return m, utils.DownloadAndInstall(v)
					}
				}
			}
		case "u":
			if m.CurrentTab == 0 {
				selectedItem := m.List.SelectedItem().(styles.Item)
				for _, v := range m.Versions {
					if v.Version == selectedItem.Name && v.Installed {
						m.Loading = true
						m.Message = fmt.Sprintf("Switching to Go %s...", v.Version)
						return m, utils.SwitchVersion(v)
					}
				}
				m.Message = "You need to install this version first. Press 'i' to install."
				m.MessageType = "error"
			}
		case "r":
			m.Loading = true
			m.Message = ""
			return m, utils.FetchGoVersions
		case "d":
			if m.CurrentTab == 0 || m.CurrentTab == 1 {
				selectedItem := m.List.SelectedItem().(styles.Item)
				for _, v := range m.Versions {
					if v.Version == selectedItem.Name && v.Installed {
						if v.Active {
							m.Message = "Cannot delete active version. Switch to another version first."
							m.MessageType = "error"
							return m, nil
						}

						m.ConfirmingDelete = true
						m.DeleteVersion = v.Version
						m.Message = fmt.Sprintf("Are you sure you want to delete Go %s? Press Y to confirm, N to cancel.", v.Version)
						m.MessageType = "warning"
						return m, nil
					}
				}