feat(yalogger): Implement unmarshallers for level

Author: YaCodesDevelopment

yalogger/errors.go

@@ -0,0 +1,7 @@
+package yalogger
+
+import (
+	"errors"
+)
+
+var ErrInvalidLogLevel = errors.New("invalid log level")

yalogger/utils.go

@@ -0,0 +1,51 @@
+package yalogger
+
+import "strings"
+
+func (l *Level) String() string {
+	switch *l {
+	case PanicLevel:
+		return "Panic"
+	case FatalLevel:
+		return "Fatal"
+	case ErrorLevel:
+		return "Error"
+	case WarnLevel:
+		return "Warn"
+	case InfoLevel:
+		return "Info"
+	case DebugLevel:
+		return "Debug"
+	case TraceLevel:
+		return "Trace"
+	default:
+		return "Unknown"
+	}
+}
+
+func (l *Level) Unmarshal(text string) error {
+	switch strings.ToLower(text) {
+	case "panic":
+		*l = PanicLevel
+	case "fatal":
+		*l = FatalLevel
+	case "error":
+		*l = ErrorLevel
+	case "warn":
+		*l = WarnLevel
+	case "info":
+		*l = InfoLevel
+	case "debug":
+		*l = DebugLevel
+	case "trace":
+		*l = TraceLevel
+	default:
+		return ErrInvalidLogLevel
+	}
+
+	return nil
+}
+
+func (l *Level) UnmarshalText(text []byte) error {
+	return l.Unmarshal(string(text))
+}