hackernews: add TUI

cmd/hackerview/main.go

@@ -10,6 +10,7 @@ import (
 	"time"
 
 	"github.com/azimut/cli-view/internal/hackernews"
+	"github.com/azimut/cli-view/internal/tui"
 	"github.com/fatih/color"
 )
 
@@ -60,7 +61,12 @@ func run(args []string, stdout io.Writer) error {
 	thread.LeftPadding = opts.leftPadding
 	thread.ShowDate = opts.showDate
 
-	fmt.Println(thread)
+	if opts.useTUI {
+		tui.RenderLoop(hackernews.NewProgram(*thread))
+	} else {
+		fmt.Println(thread)
+	}
+
 	return nil
 }
 

internal/hackernews/tui.go

@@ -0,0 +1,41 @@
+package hackernews
+
+import (
+	"fmt"
+
+	"github.com/azimut/cli-view/internal/tui"
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+const rightPadding = 10
+
+type Model struct {
+	render tui.Model
+	Thread
+}
+
+func NewProgram(thread Thread) *tea.Program {
+	return tea.NewProgram(Model{Thread: thread},
+		tea.WithAltScreen())
+}
+
+func (m Model) Init() tea.Cmd {
+	return nil
+}
+
+func (m Model) View() string {
+	return m.render.View()
+}
+
+func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	var cmd tea.Cmd
+	m.render, cmd = m.render.Update(msg)
+	switch msg := msg.(type) {
+	case tea.WindowSizeMsg:
+		m.op.thread.Width = 200
+		m.render.RawContent = fmt.Sprint(m)
+		m.op.thread.Width = uint(msg.Width) - rightPadding
+		m.render.Viewport.SetContent(fmt.Sprint(m))
+	}
+	return m, cmd
+}

internal/tui/spawner.go

@@ -7,6 +7,7 @@ import (
 	tea "github.com/charmbracelet/bubbletea"
 )
 
+// Useful if we want to do something with the error message returned by the spawned process
 type commandFinishedMsg struct{ err error }
 
 func doSpawn(url string) (tea.Cmd, error) {
@@ -15,13 +16,6 @@ func doSpawn(url string) (tea.Cmd, error) {
 		return nil, err
 	}
 	cmd := exec.Command(spawner, url)
-	// if err = cmd.Start(); err != nil {
-	// 	return nil, err
-	// }
-	// _, err = cmd.Process.Wait()
-	// if err != nil {
-	// 	return nil, err
-	// }
 	return tea.ExecProcess(cmd, func(err error) tea.Msg {
 		return commandFinishedMsg{err}
 	}), nil