app/models/picture.rb
# == Schema Information
#
# Table name: pictures
#
# id :integer not null, primary key
# user_id :integer
# file :string(255)
# created_at :datetime
# updated_at :datetime
#
class Picture < ActiveRecord::Base
include Rails.application.routes.url_helpers
mount_uploader :file, PictureUploader
belongs_to :user
end