100 lines
2.9 KiB
Go
100 lines
2.9 KiB
Go
package mujica
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import (
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"fmt"
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"time"
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"github.com/egoist/mygo/ui"
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"mujicaui/icons"
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"mujicaui/theme"
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)
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// MarketPhase is a market's trading state. The zero value is MarketClosed.
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type MarketPhase int
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const (
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MarketClosed MarketPhase = iota
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MarketPreMarket
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MarketOpen
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MarketAfterHours
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MarketHoliday
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)
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var marketPhases = [5]struct{ key, icon string }{
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{"market_status.closed", "lock"}, {"market_status.pre", "sun"}, {"market_status.open", "circle-check"},
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{"market_status.after", "moon"}, {"market_status.holiday", "calendar"},
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}
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// MarketStatusOptions configure a MarketStatus.
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type MarketStatusOptions struct {
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// Market names the venue, such as "NYSE".
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Market string
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// Next and NextPhase say when the phase changes; zero Next hides it.
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Next time.Time
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NextPhase MarketPhase
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// Now counts down to Next; zero uses the window clock.
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Now time.Time
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}
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// MarketStatus shows a market's phase with an icon and word, and when it changes next.
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func MarketStatus(c *ui.Context, phase MarketPhase, opts MarketStatusOptions) *ui.Element {
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marketPhaseCheck(phase)
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marketPhaseCheck(opts.NextPhase)
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k := Tokens(c)
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u := Density(c).Unit()
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now := opts.Now
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if now.IsZero() {
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now = c.Now()
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}
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word := msg(c, marketPhases[phase].key)
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ink := k.TextMuted
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if phase == MarketOpen {
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ink = k.Success
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}
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label := word
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if opts.Market != "" {
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label = opts.Market + ": " + word
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}
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next := ""
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if !opts.Next.IsZero() {
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next = fmt.Sprintf(msg(c, "market_status.next"), msg(c, marketPhases[opts.NextPhase].key), opts.Next.Format("15:04"),
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marketStatusIn(c, opts.Next.Sub(now)))
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label += ", " + next
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// The countdown changes once a minute.
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c.After(time.Minute - time.Duration(now.Second())*time.Second)
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}
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row := ui.Row(c).Gap(u * 2).AlignItems(ui.Center).Role(ui.RoleStatus).Label(label)
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row.Children(func() {
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ui.Row(c).Gap(u).AlignItems(ui.Center).Padding(u/2, u*2).Radius(theme.ControlRadius).Border(theme.BorderWidth, ink).Children(func() {
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ui.Icon(c, icons.Must(marketPhases[phase].icon)).Size(14, 14).TextColor(ink)
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if opts.Market != "" {
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ui.Text(c, opts.Market).Bold().FontSize(FontSize(c, theme.CaptionSize)).TextColor(k.Text).SingleLine()
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}
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ui.Text(c, word).FontSize(FontSize(c, theme.CaptionSize)).TextColor(ink).FontWeight(600).SingleLine()
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})
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if next != "" {
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ui.Text(c, next).FontSize(FontSize(c, theme.CaptionSize)).TextColor(k.TextMuted).SingleLine()
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}
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})
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return row
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}
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func marketPhaseCheck(p MarketPhase) {
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if p < MarketClosed || p > MarketHoliday {
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panic("mujica: MarketPhase out of range")
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}
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}
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// marketStatusIn writes a duration as "2h 05m" or "12m"; past times read "now".
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func marketStatusIn(c *ui.Context, d time.Duration) string {
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if d <= 0 {
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return msg(c, "market_status.now")
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}
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m := int(d.Round(time.Minute) / time.Minute)
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if m >= 60 {
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return fmt.Sprintf(msg(c, "market_status.hm"), m/60, m%60)
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}
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return fmt.Sprintf(msg(c, "market_status.m"), max(m, 1))
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}
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