87 lines
1.6 KiB
Go
87 lines
1.6 KiB
Go
package widgets
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import (
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"fmt"
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"log"
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"time"
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"github.com/distatus/battery"
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"github.com/prometheus/client_golang/prometheus"
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. "github.com/xxxserxxx/gotop/termui"
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)
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type BatteryGauge struct {
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*Gauge
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metric prometheus.Gauge
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}
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func NewBatteryGauge() *BatteryGauge {
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self := &BatteryGauge{Gauge: NewGauge()}
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self.Title = " Power Level "
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self.update()
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go func() {
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for range time.NewTicker(time.Second).C {
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self.Lock()
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self.update()
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self.Unlock()
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}
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}()
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return self
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}
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func (b *BatteryGauge) EnableMetric() {
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bats, err := battery.GetAll()
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if err != nil {
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log.Printf("error setting up metrics: %v", err)
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return
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}
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mx := 0.0
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cu := 0.0
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for _, bat := range bats {
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mx += bat.Full
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cu += bat.Current
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gauge := prometheus.NewGauge(prometheus.GaugeOpts{
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Namespace: "gotop",
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Subsystem: "battery",
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Name: "total",
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})
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gauge.Set(cu / mx)
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b.metric = gauge
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prometheus.MustRegister(gauge)
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}
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}
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func (self *BatteryGauge) update() {
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bats, err := battery.GetAll()
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if err != nil {
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log.Printf("error setting up batteries: %v", err)
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return
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}
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mx := 0.0
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cu := 0.0
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charging := "%d%% ⚡%s"
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rate := 0.0
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for _, bat := range bats {
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mx += bat.Full
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cu += bat.Current
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if rate < bat.ChargeRate {
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rate = bat.ChargeRate
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}
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if bat.State == battery.Charging {
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charging = "%d%% 🔌%s"
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}
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}
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tn := (mx - cu) / rate
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d, _ := time.ParseDuration(fmt.Sprintf("%fh", tn))
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self.Percent = int((cu / mx) * 100.0)
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self.Label = fmt.Sprintf(charging, self.Percent, d.Truncate(time.Minute))
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if self.metric != nil {
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self.metric.Set(cu / mx)
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}
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}
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