refactor notificationsForUser since xorm In support slice of customerize type (#956)

Author: lunny

models/notification.go

@@ -189,23 +189,20 @@ func NotificationsForUser(user *User, statuses []NotificationStatus, page, perPa
 	return notificationsForUser(x, user, statuses, page, perPage)
 }
 func notificationsForUser(e Engine, user *User, statuses []NotificationStatus, page, perPage int) (notifications []*Notification, err error) {
-	// FIXME: Xorm does not support aliases types (like NotificationStatus) on In() method
-	s := make([]uint8, len(statuses))
-	for i, status := range statuses {
-		s[i] = uint8(status)
+	if len(statuses) == 0 {
+		return
 	}
 
 	sess := e.
 		Where("user_id = ?", user.ID).
-		In("status", s).
+		In("status", statuses).
 		OrderBy("updated_unix DESC")
 
 	if page > 0 && perPage > 0 {
 		sess.Limit(perPage, (page-1)*perPage)
 	}
 
-	err = sess.
-		Find(&notifications)
+	err = sess.Find(&notifications)
 	return
 }
 

vendor/github.com/go-xorm/builder/cond_in.go

@@ -437,10 +437,10 @@
 			"revisionTime": "2016-11-01T11:13:14Z"
 		},
 		{
-			"checksumSHA1": "sDRC697KuCbpI+1i2VPhyqgAvjs=",
+			"checksumSHA1": "Fh6Svimt+QyXHbaVxgSV7qwUHL8=",
 			"path": "github.com/go-xorm/builder",
-			"revision": "db75972580de4a7c6c20fff5b16a924c3de3fa12",
-			"revisionTime": "2016-12-14T02:05:24Z"
+			"revision": "9c357861b643b7dd1023551fdf116b8d42030146",
+			"revisionTime": "2017-02-16T03:03:40Z"
 		},
 		{
 			"checksumSHA1": "OCcksAYN5m0kc5yJF/Ba4VVHqeA=",