- category sync almost ok.

- refactor tasksch (isContinueWhenError)

business/partner/partner.go

@@ -78,6 +78,9 @@ type IPurchasePlatformHandler interface {
 
 // db *dao.DaoDB,
 type IMultipleStoresHandler interface {
+	GetFieldIDName() string
+	GetFieldSyncStatusName() string
+
 	ReadCategories() (cats []*model.SkuCategory, err error)
 
 	CreateCategory(db *dao.DaoDB, cat *model.SkuCategory, userName string) (err error)
@@ -90,6 +93,8 @@ type IMultipleStoresHandler interface {
 	ReadSku(vendorSkuID string) (skuNameExt *model.SkuNameExt, err error)
 	UpdateSku(db *dao.DaoDB, sku *model.Sku, userName string) (err error)
 	DeleteSku(db *dao.DaoDB, sku *model.Sku, userName string) (err error)
+
+	SyncSkusIDMap(db *dao.DaoDB, skuIDs []int, userName string) (err error)
 }
 
 type ISingleStoreHandler interface {