def available(self):
"""
"""
mtool = getToolByName(self.context, "portal_membership")
if mtool.checkPermission("Manage portal", self.context):
return True
member_id = mtool.getAuthenticatedMember().getId()
shop = IShopManagement(self.context).getShop()
if shop.getShopOwnerId() == member_id:
return True
return False
