Count +1 votes in issue notes.

app/models/note.rb

@@ -47,27 +47,27 @@ class Note < ActiveRecord::Base
   end
 
   def target
-    if noteable_type == "Commit" 
+    if noteable_type == "Commit"
       project.commit(noteable_id)
-    else 
+    else
       noteable
     end
   # Temp fix to prevent app crash
   # if note commit id doesnt exist
-  rescue 
+  rescue
     nil
   end
 
   # Check if we can notify commit author
   # with email about our comment
   #
-  # If commit author email exist in project 
-  # and commit author is not passed user we can 
+  # If commit author email exist in project
+  # and commit author is not passed user we can
   # send email to him
   #
   # params:
   #   user - current user
-  # 
+  #
   # return:
   #   Boolean
   #
@@ -81,12 +81,18 @@ class Note < ActiveRecord::Base
   end
 
   def commit_author
-    @commit_author ||= 
-      project.users.find_by_email(target.author_email) || 
+    @commit_author ||=
+      project.users.find_by_email(target.author_email) ||
       project.users.find_by_name(target.author_name)
-  rescue 
+  rescue
     nil
   end
+
+  # Returns true if this is an upvote note,
+  # otherwise false is returned
+  def upvote?
+    note =~ /^\+1/ ? true : false
+  end
 end
 # == Schema Information
 #