- if user_signed_in?
  - if @user_vote
    - if @user_vote.value == 1
      = link_to 'Delete Vote', remove_idea_vote_path(@idea), :method => :delete
    - else
      = link_to 'Vote Up', change_idea_vote_path(@idea, :value => 1), :method => :patch
  - else
    = link_to 'Vote Up', create_idea_vote_path(@idea, :value => 1), :method => :post
  - if @user_vote
    - if @user_vote.value == -1
      = link_to 'Delete Vote', remove_idea_vote_path(@idea), :method => :delete
    - else
      = link_to 'Vote Down', change_idea_vote_path(@idea, :value => -1), :method => :patch
  - else
    = link_to 'Vote Down', create_idea_vote_path(@idea, :value => -1), :method => :post

Add a '_vote' partial containing vote buttons
Add a '_vote' partial containing vote buttons

Create a partial containing buttons for voting on an idea and changing
or removing the vote once it has been created.
