62 lines
1.1 KiB
Go
62 lines
1.1 KiB
Go
package sparkline
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import (
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ui "github.com/gizak/termui/v3"
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"github.com/sqshq/sampler/component"
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"github.com/sqshq/sampler/config"
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"github.com/sqshq/sampler/console"
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"github.com/sqshq/sampler/data"
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"strconv"
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)
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type SparkLine struct {
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*ui.Block
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*data.Consumer
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alert *data.Alert
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values []float64
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palette console.Palette
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}
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func NewSparkLine(c config.SparkLineConfig, palette console.Palette) *SparkLine {
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line := &SparkLine{
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Block: component.NewBlock(c.Title, true, palette),
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Consumer: data.NewConsumer(),
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values: []float64{},
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palette: palette,
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}
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go func() {
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for {
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select {
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case sample := <-line.SampleChannel:
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line.consumeSample(sample)
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case alert := <-line.AlertChannel:
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line.alert = alert
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}
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}
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}()
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return line
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}
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func (s *SparkLine) consumeSample(sample *data.Sample) {
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float, err := strconv.ParseFloat(sample.Value, 64)
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if err != nil {
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s.AlertChannel <- &data.Alert{
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Title: "FAILED TO PARSE NUMBER",
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Text: err.Error(),
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Color: sample.Color,
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}
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return
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}
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s.values = append(s.values, float)
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// TODO cleanup old ones
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}
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func (s *SparkLine) Draw(buffer *ui.Buffer) {
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s.Block.Draw(buffer)
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}
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