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class CustomFormsPlugin::Answer < ApplicationRecord
  self.table_name = :custom_forms_plugin_answers
  belongs_to :field, :class_name => 'CustomFormsPlugin::Field'
  belongs_to :submission, :class_name => 'CustomFormsPlugin::Submission'

  validates_presence_of :field
  validate :value_mandatory, :if => 'field.present?'

  attr_accessible :field, :value, :submission

  def value_mandatory
    if field.mandatory && value.blank?
      errors.add(:value, _("is mandatory.").fix_i18n)
    end
  end

  def to_text_list
    return [value] if value.blank? || field.alternatives.blank?
    selected = value.split(',')
    field.alternatives.select {|alt| selected.include? alt.id.to_s }.map(&:label)
  end

  def to_s
    to_text_list.join(';')
  end
end