Remove ancient votes code that is no longer used.

app/models/topic.rb

@@ -453,14 +453,6 @@ class Topic < ActiveRecord::Base
     ((Time.zone.now - created_at) / 1.minute).round
   end
 
-  def has_meta_data_boolean?(key)
-    meta_data_string(key) == 'true'
-  end
-
-  def meta_data_string(key)
-    custom_fields[key.to_s]
-  end
-
   def self.listable_count_per_day(start_date, end_date, category_id = nil)
     result = listable_topics.where('created_at >= ? and created_at <= ?', start_date, end_date)
     result = result.where(category_id: category_id) if category_id

lib/guardian/post_guardian.rb

@@ -46,10 +46,7 @@ module PostGuardian
       not(post.trashed?) &&
 
       # don't like your own stuff
-      not(action_key == :like && is_my_own?(post)) &&
-
-      # no voting more than once on single vote topics
-      not(action_key == :vote && opts[:voted_in_topic] && post.topic.has_meta_data_boolean?(:single_vote))
+      not(action_key == :like && is_my_own?(post))
     end
 
     !!result
@@ -75,11 +72,6 @@ module PostGuardian
 
     return can_see_flags?(topic) if PostActionType.is_flag?(type_symbol)
 
-    if type_symbol == :vote
-      # We can see votes if the topic allows for public voting
-      return false if topic.has_meta_data_boolean?(:private_poll)
-    end
-
     true
   end
 
@@ -207,10 +199,6 @@ module PostGuardian
     can_see_post?(post)
   end
 
-  def can_vote?(post, opts = {})
-    post_can_act?(post, :vote, opts: opts)
-  end
-
   def can_change_post_owner?
     is_admin?
   end

spec/components/guardian_spec.rb

@@ -346,11 +346,6 @@ describe Guardian do
       expect(Guardian.new(moderator).can_see_post_actors?(topic, PostActionType.types[:notify_user])).to be_truthy
     end
 
-    it 'returns false for private votes' do
-      topic.expects(:has_meta_data_boolean?).with(:private_poll).returns(true)
-      expect(Guardian.new(user).can_see_post_actors?(topic, PostActionType.types[:vote])).to be_falsey
-    end
-
   end
 
   describe 'can_impersonate?' do
@@ -986,19 +981,6 @@ describe Guardian do
         topic.archived = true
         expect(Guardian.new(user).post_can_act?(post, :like)).to be_falsey
       end
-
-      describe 'multiple voting' do
-
-        it "isn't allowed if the user voted and the topic doesn't allow multiple votes" do
-          Topic.any_instance.expects(:has_meta_data_boolean?).with(:single_vote).returns(true)
-          expect(Guardian.new(user).can_vote?(post, voted_in_topic: true)).to be_falsey
-        end
-
-        it "is allowed if the user voted and the topic doesn't allow multiple votes" do
-          expect(Guardian.new(user).can_vote?(post, voted_in_topic: false)).to be_truthy
-        end
-      end
-
     end
   end