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elektron/elektronLogging/ElektronFormatter.go
2019-11-21 14:02:47 -05:00

51 lines
1.3 KiB
Go

package elektronLogging
import (
"bytes"
"github.com/fatih/color"
elekLog "github.com/sirupsen/logrus"
"strings"
)
type ElektronFormatter struct {
TimestampFormat string
}
func (f ElektronFormatter) getColor(entry *elekLog.Entry) *color.Color {
switch entry.Level {
case elekLog.InfoLevel:
return color.New(color.FgGreen, color.Bold)
case elekLog.WarnLevel:
return color.New(color.FgYellow, color.Bold)
case elekLog.ErrorLevel:
return color.New(color.FgRed, color.Bold)
case elekLog.FatalLevel:
return color.New(color.FgRed, color.Bold)
default:
return color.New(color.FgWhite, color.Bold)
}
}
func (f ElektronFormatter) Format(entry *elekLog.Entry) ([]byte, error) {
var b *bytes.Buffer
if entry.Buffer != nil {
b = entry.Buffer
} else {
b = &bytes.Buffer{}
}
levelColor := f.getColor(entry)
level := levelColor.Sprintf("[%s]:", strings.ToUpper(entry.Level.String()))
message := strings.Join([]string{level, entry.Time.Format(f.TimestampFormat), entry.Message, " "}, " ")
var formattedFields []string
for key, value := range entry.Data {
formattedFields = append(formattedFields,
strings.Join([]string{key, value.(string)}, "="))
}
b.WriteString(message)
b.WriteString(strings.Join(formattedFields, ", "))
b.WriteByte('\n')
return b.Bytes(), nil
}