From 78955ecd2da7649687ed96777be5b12b7e716905 Mon Sep 17 00:00:00 2001
From: Jinzhu <wosmvp@gmail.com>
Date: Tue, 10 Oct 2017 22:46:45 +0800
Subject: [PATCH] Add Logger

---
 logger/logger.go | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 logger/logger.go

diff --git a/logger/logger.go b/logger/logger.go
new file mode 100644
index 00000000..74eb10ac
--- /dev/null
+++ b/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
+	}
+}