Add Logger

logger/logger.go

@@ -0,0 +1,35 @@
+package logger
+
+import "os"
+
+// Interface logger interface
+type Interface interface {
+}
+
+// LogLevel log level
+type LogLevel int
+
+// DefaultLogLevel default log level
+var DefaultLogLevel LogLevel
+
+const (
+	// Info print SQL, warn messages and errors
+	Info LogLevel = 1 << iota
+	// Warn print warn messages and errors
+	Warn
+	// Error print errors
+	Error
+)
+
+func init() {
+	switch os.Getenv("GORM_LOG_LEVEL") {
+	case "info":
+		DefaultLogLevel = Info
+	case "warn":
+		DefaultLogLevel = Warn
+	case "error":
+		DefaultLogLevel = Error
+	default:
+		DefaultLogLevel = Error
+	}
+}