Add Voter.voted_up_on? and Voter.voted_down_on? methods.

README.markdown

@@ -141,6 +141,21 @@ check how the voter voted by using ``voted_as_when_voted_for``.
     @user.voted_as_when_voted_for @comment2 # => false, he didnt like it
     @user.voted_as_when_voted_for @comment3 # => nil, he has yet to vote
 
+You can also check whether the voter has voted up or down.
+
+    @user.likes @comment1
+    @user.dislikes @comment2
+    # user has not voted on @comment3
+
+    @user.voted_up_on? @comment1 # => true
+    @user.voted_down_on? @comment1 # => false
+
+    @user.voted_down_on? @comment2 # => true
+    @user.voted_up_on? @comment2 # => false
+
+    @user.voted_up_on? @comment3 # => false
+    @user.voted_down_on? @comment3 # => false
+
 ### Registered Votes
 
 Voters can only vote once per model.  In this example the 2nd vote does not count

lib/acts_as_votable/voter.rb

@@ -53,6 +53,18 @@ def voted_on? votable
     end
     alias :voted_for? :voted_on?
 
+    def voted_up_on? votable
+      votes = find_votes(:votable_id => votable.id, :votable_type => votable.class.name, :vote_flag => true)
+      votes.size > 0
+    end
+    alias :voted_up_for? :voted_up_on?
+
+    def voted_down_on? votable
+      votes = find_votes(:votable_id => votable.id, :votable_type => votable.class.name, :vote_flag => false)
+      votes.size > 0
+    end
+    alias :voted_down_for? :voted_down_on?
+
     def voted_as_when_voting_on votable
       votes = find_votes(:votable_id => votable.id, :votable_type => votable.class.name)
       return nil if votes.size == 0

spec/voter_spec.rb

@@ -55,6 +55,26 @@
       @voter.voted_as_when_voting_on(@votable).should be nil
     end
 
+    it "should return true if voter has voted true" do
+      @votable.vote :voter => @voter
+      @voter.voted_up_on?(@votable).should be true
+    end
+
+    it "should return false if voter has not voted true" do
+      @votable.vote :voter => @voter, :vote => false
+      @voter.voted_up_on?(@votable).should be false
+    end
+
+    it "should return true if the voter has voted false" do
+      @votable.vote :voter => @voter, :vote => false
+      @voter.voted_down_on?(@votable).should be true
+    end
+
+    it "should return false if the voter has not voted false" do
+      @votable.vote :voter => @voter, :vote => true
+      @voter.voted_down_on?(@votable).should be false
+    end
+
     it "should provide reserve functionality, voter can vote on votable" do
       @voter.vote :votable => @votable, :vote => 'bad'
       @voter.voted_as_when_voting_on(@votable).should be false