task.rb

class Task < ActiveRecord::Base

  hobo_model # Don't put anything above this

  fields do
    description :string
    timestamps
  end

  belongs_to :story

  has_many :task_assignments, :dependent => :destroy
  has_many :users, :through => :task_assignments, :accessible => true, :dependent => :destroy

  acts_as_list :scope => :story

  # --- Permissions --- #

  def create_permitted?
    story.creatable_by?(acting_user)
  end

  def update_permitted?
    story.updatable_by?(acting_user)
  end

  def destroy_permitted?
    story.destroyable_by?(acting_user)
  end

  def view_permitted?(field)
    story.viewable_by?(acting_user)
  end

end