1 files changed, 22 insertions(+), 0 deletions(-)

M log.go

@@ 1,9 1,12 @@
 package log
 
 import (
+	"errors"
+	"fmt"
 	"io"
 	"log"
 	"os"
+	"strings"
 )
 
 type Level int


@@ 15,6 18,8 @@ const (
 	Debug
 )
 
+var ErrInvalidLevel = errors.New("cannot parse log-level from string")
+
 type Logger struct {
 	*log.Logger
 	level Level


@@ 32,6 37,23 @@ func (l *Logger) SetLevel(level Level) {
 	l.level = level
 }
 
+func (l *Logger) ParseLevel(level string) error {
+	switch strings.ToLower(level) {
+	case "error":
+		l.level = Error
+	case "warning":
+		l.level = Warning
+	case "info":
+		l.level = Info
+	case "debug":
+		l.level = Debug
+	default:
+		return fmt.Errorf("%w: %s", ErrInvalidLevel, level)
+	}
+
+	return nil
+}
+
 func (l *Logger) Fatalf(format string, v ...interface{}) {
 	format = "FATAL: " + format
 	l.Logger.Fatalf(format, v...)