added methods to set log level by name and level

loglevel.go

@@ -1,6 +1,8 @@
 package loggo
 
 import (
+	"strings"
+
 	"github.com/fatih/color"
 )
 
@@ -39,6 +41,38 @@ func SetLogLevel(level logLevel) {
 	currentLevel = level
 }
 
+// set current log level by name
+func SetLogLevelByName(name string) {
+	switch strings.ToLower(name) {
+	case DebugLevel.name:
+		SetLogLevel(DebugLevel)
+	case InfoLevel.name:
+		SetLogLevel(InfoLevel)
+	case WarningLevel.name:
+		SetLogLevel(WarningLevel)
+	case ErrorLevel.name:
+		SetLogLevel(ErrorLevel)
+	case FatalLevel.name:
+		SetLogLevel(FatalLevel)
+	}
+}
+
+// set current log level by level
+func SetLogLevelByLevel(level int) {
+	switch level {
+	case DebugLevel.level:
+		SetLogLevel(DebugLevel)
+	case InfoLevel.level:
+		SetLogLevel(InfoLevel)
+	case WarningLevel.level:
+		SetLogLevel(WarningLevel)
+	case ErrorLevel.level:
+		SetLogLevel(ErrorLevel)
+	case FatalLevel.level:
+		SetLogLevel(FatalLevel)
+	}
+}
+
 // set the color of a log level
 func (level *logLevel) SetColor(color color.Color) {
 	level.color = color