add tui code

cmd/twitterview/main.go

@@ -6,22 +6,23 @@ import (
 	"os"
 	"time"
 
+	"github.com/azimut/cli-view/internal/tui"
 	"github.com/azimut/cli-view/internal/twitter"
 )
 
 type options struct {
-	userAgent string
 	timeout   time.Duration
+	userAgent string
 	width     int
 }
 
 var opt options
 var url string
 
 func init() {
-	flag.IntVar(&opt.width, "w", 0, "fixed with, defaults to console width")
-	flag.StringVar(&opt.userAgent, "A", "Wget", "default User-Agent sent")
 	flag.DurationVar(&opt.timeout, "t", time.Second*5, "timeout in seconds")
+	flag.StringVar(&opt.userAgent, "A", "Wget", "default User-Agent sent")
+	flag.IntVar(&opt.width, "w", 0, "fixed with, defaults to console width")
 }
 
 func usage() {
@@ -35,7 +36,12 @@ func main() {
 	url = "https://twitter.com/vickyguareschi/status/1432922904556146691"
 	res, err := twitter.Fetch(url, opt.userAgent, opt.timeout)
 	if err != nil {
-		panic(err)
+		fmt.Println("could not fetch url:", err)
+		os.Exit(1)
+	}
+	p := tui.NewProgram(res.Html)
+	if err := p.Start(); err != nil {
+		fmt.Println("could not run program:", err)
+		os.Exit(1)
 	}
-	fmt.Println(res)
 }

go.mod

@@ -1,3 +1,8 @@
 module github.com/azimut/cli-view
 
 go 1.14
+
+require (
+	github.com/charmbracelet/bubbles v0.8.0
+	github.com/charmbracelet/bubbletea v0.14.1
+)

go.sum

@@ -0,0 +1,46 @@
+github.com/atotto/clipboard v0.1.2/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=
+github.com/charmbracelet/bubbles v0.8.0 h1:+l2op90Ag37Vn+30O1hbg/0wBl+e+sxHhgY1F/rvdHs=
+github.com/charmbracelet/bubbles v0.8.0/go.mod h1:5WX1sSSjNCgCrzvRMN/z23HxvWaa+AI16Ch0KPZPeDs=
+github.com/charmbracelet/bubbletea v0.13.1/go.mod h1:tp9tr9Dadh0PLhgiwchE5zZJXm5543JYjHG9oY+5qSg=
+github.com/charmbracelet/bubbletea v0.14.1 h1:pD/bM5LBEH/nDo7nKcgNUgi4uRHQhpWTIHZbG5vuSlc=
+github.com/charmbracelet/bubbletea v0.14.1/go.mod h1:b5lOf5mLjMg1tRn1HVla54guZB+jvsyV0yYAQja95zE=
+github.com/charmbracelet/lipgloss v0.1.2/go.mod h1:5D8zradw52m7QmxRF6QgwbwJi9je84g8MkWiGN07uKg=
+github.com/containerd/console v1.0.1 h1:u7SFAJyRqWcG6ogaMAx3KjSTy1e3hT9QxqX7Jco7dRc=
+github.com/containerd/console v1.0.1/go.mod h1:XUsP6YE/mKtz6bxc+I8UiKKTP04qjQL4qcS3XoQ5xkw=
+github.com/google/goterm v0.0.0-20190703233501-fc88cf888a3f/go.mod h1:nOFQdrUlIlx6M6ODdSpBj1NVA+VgLC6kmw60mkw34H4=
+github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
+github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+github.com/mattn/go-runewidth v0.0.10 h1:CoZ3S2P7pvtP45xOtBw+/mDL2z0RKI576gSkzRRpdGg=
+github.com/mattn/go-runewidth v0.0.10/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
+github.com/mattn/go-runewidth v0.0.12 h1:Y41i/hVW3Pgwr8gV+J23B9YEY0zxjptBuCWEaxmAOow=
+github.com/mattn/go-runewidth v0.0.12/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
+github.com/muesli/reflow v0.2.1-0.20210115123740-9e1d0d53df68 h1:y1p/ycavWjGT9FnmSjdbWUlLGvcxrY0Rw3ATltrxOhk=
+github.com/muesli/reflow v0.2.1-0.20210115123740-9e1d0d53df68/go.mod h1:Xk+z4oIWdQqJzsxyjgl3P22oYZnHdZ8FFTHAQQt5BMQ=
+github.com/muesli/termenv v0.7.2/go.mod h1:ct2L5N2lmix82RaY3bMWwVu/jUFc9Ule0KGDCiKYPh8=
+github.com/muesli/termenv v0.8.1 h1:9q230czSP3DHVpkaPDXGp0TOfAwyjyYwXlUCQxQSaBk=
+github.com/muesli/termenv v0.8.1/go.mod h1:kzt/D/4a88RoheZmwfqorY3A+tnsSMA9HJC/fQSFKo0=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
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+golang.org/x/crypto v0.0.0-20201012173705-84dcc777aaee/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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+golang.org/x/term v0.0.0-20210422114643-f5beecf764ed h1:Ei4bQjjpYUsS4efOUz+5Nz++IVkHk87n2zBA0NxBWc0=
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internal/tui/tui.go

@@ -0,0 +1,51 @@
+package tui
+
+import (
+	"github.com/charmbracelet/bubbles/viewport"
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+const verticalPadding = 2
+
+type model struct {
+	content  string
+	ready    bool
+	viewport viewport.Model
+}
+
+func (m model) Init() tea.Cmd {
+	return nil
+}
+
+func (m model) View() string {
+	if !m.ready {
+		return "\n  Initializing..."
+	}
+	return m.viewport.View()
+}
+
+func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case tea.WindowSizeMsg:
+		if !m.ready {
+			m.viewport = viewport.Model{Width: msg.Width, Height: msg.Height - verticalPadding}
+			m.viewport.SetContent(m.content)
+			m.ready = true
+		} else {
+			m.viewport.Width = msg.Width
+			m.viewport.Height = msg.Height - verticalPadding
+		}
+	case tea.KeyMsg:
+		if k := msg.String(); k == "q" {
+			return m, tea.Quit
+		}
+	}
+	return m, nil
+}
+
+func NewProgram(content string) *tea.Program {
+	p := tea.NewProgram(
+		model{content: content},
+		tea.WithAltScreen())
+	return p
+}