feat: inital commit

- added template subcmd which generates frc project templates

cmd/template/downloadUi.go

@@ -0,0 +1,76 @@
+package template
+
+import (
+	"strings"
+	"time"
+
+	"github.com/charmbracelet/bubbles/progress"
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+const (
+	padding = 2
+	maxWidth = 80
+)
+
+type progressMsg float64
+type progressErrMsg struct{ err error }
+
+func finalPause() tea.Cmd {
+	return tea.Tick(time.Millisecond*750, func(_ time.Time) tea.Msg {
+		return nil
+	})
+}
+
+type downloadModel struct {
+	pw       *progressWriter
+	progress progress.Model
+	err      error
+}
+
+func (m downloadModel) Init() tea.Cmd {
+	return nil
+}
+
+func (m downloadModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		return m, tea.Quit
+
+	case tea.WindowSizeMsg:
+		m.progress.Width = min(msg.Width - padding * 2 - 4, maxWidth)
+		return m, nil
+
+	case progressErrMsg:
+		m.err = msg.err
+		return m, tea.Quit
+
+	case progressMsg:
+		var cmds []tea.Cmd
+
+		if msg >= 1.0 {
+			cmds = append(cmds, tea.Sequence(finalPause(), tea.Quit))
+		}
+
+		cmds = append(cmds, m.progress.SetPercent(float64(msg)))
+		return m, tea.Batch(cmds...)
+
+	// FrameMsg is sent when the progress bar wants to animate itself
+	case progress.FrameMsg:
+		progressModel, cmd := m.progress.Update(msg)
+		m.progress = progressModel.(progress.Model)
+		return m, cmd
+
+	default:
+		return m, nil
+	}
+}
+
+func (m downloadModel) View() string {
+	if m.err != nil {
+		return "Error downloading: " + m.err.Error() + "\n"
+	}
+
+	pad := strings.Repeat(" ", padding)
+	return "\n" + pad + "Downloading template.zip to " + m.pw.file.Name() + "\n\n" + pad + m.progress.View() + "\n\n" + pad + "Press any key to quit"
+}