gitlabhq/app/roles/note_event.rb

# == NoteEvent role
#
# Extends Event model functionality by providing extra methods related to comment events
#
# Used by Event
#
module NoteEvent
  def note_commit_id
    target.commit_id
  end

  def note_short_commit_id
    note_commit_id[0..8]
  end

  def note_commit?
    target.noteable_type == "Commit"
  end

  def note_target
    target.noteable
  end

  def note_target_id
    if note_commit?
      target.commit_id
    else
      target.noteable_id.to_s
    end
  end

  def wall_note?
    target.noteable_type.blank?
  end

  def note_target_type
    if target.noteable_type.present?
      target.noteable_type.titleize
    else
      "Wall"
    end.downcase
  end
end