class SurveyAnswer
  include Mongoid::Document
  include Mongoid::Timestamps
  include Mongoid::Attributes::Dynamic
  
  field :user, type: BSON::ObjectId
  field :scored_points, type: Integer, :default => 0
  field :individual_total, type: Array, :default => []
  field :select_question, type: Array, :default => []
  belongs_to :questionnaire_survey
  after_create do
    if self.questionnaire_survey
      answer_group = SurveyAnswerGroup.where(:questionnaire_survey_id=>self.questionnaire_survey.id,:user=>user).first
      if answer_group.nil?
        answer_group = SurveyAnswerGroup.new(:questionnaire_survey_id=>self.questionnaire_survey.id,:user=>user_id)
      end
      answer_group.last_modified = self.updated_at
      answer_group.survey_answer_ids << self.id
      answer_group.save
    end
  end
  after_save do
    answer_group = SurveyAnswerGroup.where(:questionnaire_survey_id=>self.questionnaire_survey.id,:user=>user).first
    if answer_group
      answer_group.last_modified = self.updated_at
      answer_group.save
    end
  end
  before_destroy do
    answer_group = SurveyAnswerGroup.where(:user=>user).first
    if answer_group
      answer_group.survey_answer_ids.delete(self.id)
      if answer_group.survey_answer_ids.count == 0
        answer_group.destroy
      else
        answer_group.save
      end
    end
  end
end