Noosfero/noosfero

class OrganizationRating < ApplicationRecord
  belongs_to :person, optional: true
  belongs_to :organization, optional: true
  belongs_to :comment, optional: true

  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_full_info_to?(person)
    (person.is_admin? || person == self.person ||
    self.organization.is_admin?(person))
  end

  def task_status
    tasks = CreateOrganizationRatingComment.where(target_id: self.organization.id, requestor_id: self.person.id)
    task = tasks.detect { |t| t.organization_rating_id == self.id }
    task.status if task.present?
  end

  def self.statistics_for_profile(organization)
    ratings = OrganizationRating.where(organization_id: organization)
    average = ratings.average(:value)
    total = ratings.size

    if average
      average = (average - average.truncate) >= 0.5 ? average.ceil : average.floor
    end
    { average: average, total: total }
  end
end