can [:index, :show], Node
can [:index, :show, :full, :ways_for_node], Way
can [:index, :show, :full, :relations_for_node, :relations_for_way, :relations_for_relation], Relation
- can [:history, :version], OldNode
- can [:history, :version], OldWay
- can [:history, :version], OldRelation
+ can [:history, :show], [OldNode, OldWay, OldRelation]
can [:show], UserBlock
if user&.active?