1 files changed, 39 insertions, 0 deletions
diff --git a/lib/votes.rb b/lib/votes.rb
new file mode 100644
index 00000000000..dfd751b1b11
--- /dev/null
+++ b/lib/votes.rb
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+# == Votes role
+#
+# Provides functionality to upvote/downvote entity
+# based on +1 and -1 notes
+#
+# Used for Issue and Merge Request
+#
+module Votes
+  # Return the number of +1 comments (upvotes)
+  def upvotes
+    notes.select(&:upvote?).size
+  end
+
+  def upvotes_in_percent
+    if votes_count.zero?
+      0
+    else
+      100.0 / votes_count * upvotes
+    end
+  end
+
+  # Return the number of -1 comments (downvotes)
+  def downvotes
+    notes.select(&:downvote?).size
+  end
+
+  def downvotes_in_percent
+    if votes_count.zero?
+      0
+    else
+      100.0 - upvotes_in_percent
+    end
+  end
+
+  # Return the total number of votes
+  def votes_count
+    upvotes + downvotes
+  end
+end