class OrganizationRating < ActiveRecord::Base
  belongs_to :person
  belongs_to :organization
  belongs_to :comment

  attr_accessible :value, :person, :organization, :comment

  validates :value,
            :presence => true, :inclusion => {
              in: 1..5, message: _("must be between 1 and 5")
            }

  validates :organization_id, :person_id,
            :presence => true

  def display_moderation_message person
    if person.present?
      task_active? && (person.is_admin? || person == self.person ||
      self.organization.is_admin?(person))
    end
  end

  def task_active?
    tasks = CreateOrganizationRatingComment.where(:target_id => self.organization.id,
                                                  :status => Task::Status::ACTIVE)
    tasks.detect {|t| t.organization_rating_id == self.id}.present?
  end

  def self.average_rating organization_id
    average = OrganizationRating.where(organization_id: organization_id).average(:value)

    if average
      (average - average.truncate) >= 0.5 ? average.ceil : average.floor
    end
  end

end