move storage interface to storage folder. (#240)

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

gorush/global.go

@@ -3,8 +3,10 @@ package gorush
 import (
 	"crypto/tls"
 
-	"github.com/Sirupsen/logrus"
 	"github.com/appleboy/gorush/config"
+	"github.com/appleboy/gorush/storage"
+
+	"github.com/Sirupsen/logrus"
 	apns "github.com/sideshow/apns2"
 )
 
@@ -22,5 +24,5 @@ var (
 	// LogError is log server error log
 	LogError *logrus.Logger
 	// StatStorage implements the storage interface
-	StatStorage Storage
+	StatStorage storage.Storage
 )

gorush/storage.go

@@ -1,17 +0,0 @@
-package gorush
-
-// Storage interface
-type Storage interface {
-	Init() error
-	Reset()
-	AddTotalCount(int64)
-	AddIosSuccess(int64)
-	AddIosError(int64)
-	AddAndroidSuccess(int64)
-	AddAndroidError(int64)
-	GetTotalCount() int64
-	GetIosSuccess() int64
-	GetIosError() int64
-	GetAndroidSuccess() int64
-	GetAndroidError() int64
-}