mirror of
https://github.com/taigrr/wtf
synced 2025-01-18 04:03:14 -08:00
ab4774c86a
All widgets now refresh their own data using their own internal go routine. This allows them to set their own update schedule (where RefreshInterval is the time in seconds between refreshes). The app uses a goroutine to redraw itself once a second.
142 lines
2.9 KiB
Go
142 lines
2.9 KiB
Go
package weather
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import (
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"fmt"
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"strings"
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"time"
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owm "github.com/briandowns/openweathermap"
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"github.com/rivo/tview"
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)
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type Widget struct {
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RefreshedAt time.Time
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RefreshInterval int
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View *tview.TextView
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}
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func NewWidget() *Widget {
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widget := Widget{
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RefreshedAt: time.Now(),
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RefreshInterval: 600,
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}
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widget.addView()
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go widget.refresher()
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return &widget
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}
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/* -------------------- Exported Functions -------------------- */
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func (widget *Widget) Refresh() {
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data := Fetch()
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widget.View.SetTitle(fmt.Sprintf(" %s Weather - %s ", icon(data), data.Name))
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widget.RefreshedAt = time.Now()
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widget.View.Clear()
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fmt.Fprintf(widget.View, "%s", widget.contentFrom(data))
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}
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/* -------------------- Unexported Functions -------------------- */
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func (widget *Widget) addView() {
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view := tview.NewTextView()
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view.SetBorder(true)
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view.SetDynamicColors(true)
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view.SetTitle(" Weather ")
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widget.View = view
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}
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func centerText(str string, width int) string {
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return fmt.Sprintf("%[1]*s", -width, fmt.Sprintf("%[1]*s", (width+len(str))/2, str))
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}
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func (widget *Widget) contentFrom(data *owm.CurrentWeatherData) string {
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str := fmt.Sprintf("\n")
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descs := []string{}
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for _, weather := range data.Weather {
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descs = append(descs, fmt.Sprintf(" %s", weather.Description))
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}
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str = str + strings.Join(descs, ",") + "\n\n"
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str = str + fmt.Sprintf("%10s: %4.1f° C\n\n", "Current", data.Main.Temp)
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str = str + fmt.Sprintf("%10s: %4.1f° C\n", "High", data.Main.TempMax)
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str = str + fmt.Sprintf("%10s: %4.1f° C\n", "Low", data.Main.TempMin)
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str = str + "\n\n\n\n"
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str = str + centerText(fmt.Sprintf("Refreshed at %s", widget.refreshedAt()), 38)
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return str
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}
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// icon returns an emoji for the current weather
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// src: https://github.com/chubin/wttr.in/blob/master/share/translations/en.txt
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func icon(data *owm.CurrentWeatherData) string {
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var icon string
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switch data.Weather[0].Description {
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case "broken clouds":
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icon = "☁️"
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case "clear":
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icon = "☀️"
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case "cloudy":
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icon = "⛅️"
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case "fog":
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icon = "🌫"
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case "heavy rain":
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icon = "💦"
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case "heavy snow":
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icon = "⛄️"
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case "light intensity shower rain":
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icon = "☔️"
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case "light rain":
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icon = "🌦"
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case "light snow":
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icon = "🌨"
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case "mist":
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icon = "🌬"
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case "moderate rain":
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icon = "🌧"
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case "moderate snow":
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icon = "🌨"
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case "overcast":
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icon = "🌥"
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case "overcast clouds":
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icon = "🌥"
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case "partly cloudy":
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icon = "🌤"
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case "snow":
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icon = "❄️"
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case "sunny":
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icon = "☀️"
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default:
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icon = "💥"
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}
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return icon
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}
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func (widget *Widget) refresher() {
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tick := time.NewTicker(time.Duration(widget.RefreshInterval) * time.Second)
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quit := make(chan struct{})
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for {
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select {
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case <-tick.C:
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widget.Refresh()
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case <-quit:
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tick.Stop()
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return
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}
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}
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}
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func (widget *Widget) refreshedAt() string {
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return widget.RefreshedAt.Format("15:04:05")
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}
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