gistfile1.txt

# in organization.rb:

def self_and_descendants
    # simply return them in the order they should appear in the tree
    answer = []
    answer << self
    answer += Organization.where(parent_organization_id: self.id).
        sort_by{|x| x.description}.self_and_descendants # may have to use authorized instead of .all
end

def generation
    # what generation are you, this will be how many spaces to prepend
    answer = 0
    if parent
        answer += 1
        answer += parent.generation
    end
end


# then in the view just add the number of spaces

<% current_user.current_organization.self_and_descendants.each do |o| %>
    <option>
    <%=o.generation.times.each do %>
        -
    <%end%>
    <%= o.description %>
    </option>
<% end %>