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141 lines
2.8 KiB
Go
141 lines
2.8 KiB
Go
package views
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import (
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"bytes"
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"fmt"
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"github.com/jroimartin/gocui"
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netmodels "github.com/edouardparis/lntop/network/models"
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"github.com/edouardparis/lntop/ui/color"
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"github.com/edouardparis/lntop/ui/models"
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)
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const (
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CHANNEL = "channel"
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CHANNELS = "channels"
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CHANNELS_COLUMNS = "channels_columns"
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)
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type Channels struct {
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channels *models.Channels
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}
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func (c Channels) Name() string {
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return CHANNELS
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}
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func (c *Channels) Set(g *gocui.Gui, x0, y0, x1, y1 int) error {
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columns, err := g.SetView(CHANNELS_COLUMNS, x0-1, y0, x1+2, y0+2)
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if err != nil {
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if err != gocui.ErrUnknownView {
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return err
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}
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}
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columns.Frame = false
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columns.BgColor = gocui.ColorGreen
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columns.FgColor = gocui.ColorBlack | gocui.AttrBold
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displayChannelsColumns(columns)
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v, err := g.SetView(CHANNELS, x0-1, y0+1, x1+2, y1)
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if err != nil {
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if err != gocui.ErrUnknownView {
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return err
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}
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_, err = g.SetCurrentView(CHANNELS)
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if err != nil {
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return err
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}
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}
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v.Frame = false
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v.Autoscroll = true
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v.SelBgColor = gocui.ColorCyan
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v.SelFgColor = gocui.ColorBlack
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v.Highlight = true
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c.display(v)
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return nil
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}
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func displayChannelsColumns(v *gocui.View) {
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fmt.Fprintln(v, fmt.Sprintf("%-9s %-26s %12s %12s %5s",
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"Status",
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"Gauge",
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"Local",
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"Capacity",
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"pHTLC",
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))
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}
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func (c *Channels) display(v *gocui.View) {
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v.Clear()
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for _, item := range c.channels.Items {
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line := fmt.Sprintf("%s %s %s %12d %5d %500s",
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active(item),
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gauge(item),
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color.Cyan(fmt.Sprintf("%12d", item.LocalBalance)),
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item.Capacity,
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len(item.PendingHTLC),
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"",
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)
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fmt.Fprintln(v, line)
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}
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}
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func active(c *netmodels.Channel) string {
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if c.Active {
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return color.Green(fmt.Sprintf("%-9s", "active"))
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}
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return color.Red(fmt.Sprintf("%-9s", "inactive"))
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}
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func gauge(c *netmodels.Channel) string {
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index := int(c.LocalBalance * int64(20) / c.Capacity)
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var buffer bytes.Buffer
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for i := 0; i < 20; i++ {
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if i < index {
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buffer.WriteString(color.Cyan("|"))
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continue
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}
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buffer.WriteString(" ")
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}
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return fmt.Sprintf("[%s] %2d%%", buffer.String(), c.LocalBalance*100/c.Capacity)
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}
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func NewChannels(channels *models.Channels) *Channels {
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return &Channels{channels: channels}
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}
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type Channel struct {
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channel *models.Channel
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}
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func (c Channel) Name() string {
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return CHANNEL
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}
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func (c Channel) Empty() bool {
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return c.channel == nil
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}
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func (c *Channel) Set(g *gocui.Gui, x0, y0, x1, y1 int) error {
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v, err := g.SetView(CHANNEL, x0-1, y0, x1+2, y1)
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if err != nil {
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if err != gocui.ErrUnknownView {
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return err
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}
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}
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c.display(v)
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return nil
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}
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func (c *Channel) display(v *gocui.View) {
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v.Clear()
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fmt.Fprintln(v, fmt.Sprintf("%s %d",
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color.Cyan("ID:"), c.channel.Item.ID))
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}
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func NewChannel(channel *models.Channel) *Channel {
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return &Channel{channel: channel}
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}
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