67 lines
1.3 KiB
Go
67 lines
1.3 KiB
Go
package status
|
|
|
|
import (
|
|
"backlight-control/internal/backlight"
|
|
"encoding/json"
|
|
"fmt"
|
|
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
func NewCommand(parent *cobra.Command) {
|
|
cmd := &cobra.Command{
|
|
Use: "status",
|
|
Aliases: []string{"st"},
|
|
RunE: run,
|
|
Short: "get backlight status (current,max,percentage)",
|
|
}
|
|
|
|
parent.AddCommand(cmd)
|
|
}
|
|
|
|
type backlightStatus struct {
|
|
Current int `json:"current"`
|
|
Max int `json:"max"`
|
|
Percentage float32 `json:"percentage"`
|
|
}
|
|
|
|
func run(cmd *cobra.Command, args []string) (err error) {
|
|
dirPath, err := cmd.Flags().GetString("path")
|
|
if err != nil {
|
|
return fmt.Errorf("get directory path from flags fail: (%w)", err)
|
|
}
|
|
|
|
lightInstance, err := backlight.NewInstance(dirPath)
|
|
if err != nil {
|
|
return fmt.Errorf("create backlight instance fail: %w", err)
|
|
}
|
|
|
|
cur, err := lightInstance.GetCurrent()
|
|
if err != nil {
|
|
return fmt.Errorf("get current brightness fail: %w", err)
|
|
}
|
|
max, err := lightInstance.GetMax()
|
|
if err != nil {
|
|
return fmt.Errorf("get max brightness fail: %w", err)
|
|
}
|
|
|
|
status := backlightStatus{
|
|
Current: cur,
|
|
Max: max,
|
|
}
|
|
|
|
// cale percentage
|
|
f := float32(int(float32(cur)/float32(max)*10000)) / 100
|
|
|
|
status.Percentage = f
|
|
|
|
b, err := json.Marshal(status)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Println(string(b))
|
|
|
|
return
|
|
}
|