- move Cacher from globals to api

- vendorPromotionID for CreatePromotion
- LockPromotionSkus

business/jxutils/cache/cache.go

@@ -5,9 +5,10 @@ import (
 )
 
 type ICacher interface {
-	FlushAll() error
+	FlushKeys(prefix string) error
 	Set(key string, value interface{}, expiration time.Duration) error
 	Del(key string) error
 	Get(key string) interface{}
 	GetAs(key string, ptr interface{}) error
+	Keys(prefix string) ([]string, error)
 }