Schema Information

Table name: issues

id           :integer          not null, primary key
title        :string(255)
assignee_id  :integer
author_id    :integer
project_id   :integer
created_at   :datetime         not null
updated_at   :datetime         not null
closed       :boolean          default(FALSE), not null
position     :integer          default(0)
branch_name  :string(255)
description  :text
milestone_id :integer
Methods
O
Included Modules
Class Public methods
open_for(user)

Source: show 

# File app/models/issue.rb, line 30
def self.open_for(user)
  opened.assigned(user)
end