class GroupsFinder < UnionFinder
def initialize(current_user = nil, params = {})
@current_user = current_user
@params = params
end
def execute
groups = find_union(all_groups, Group).with_route.order_id_desc
by_parent(groups)
end
private
attr_reader :current_user, :params
def all_groups
groups = []
groups << current_user.authorized_groups if current_user
groups << Group.unscoped.public_to_user(current_user)
groups
end
def by_parent(groups)
return groups unless params[:parent]
groups.where(parent: params[:parent])
end
end