Module: Surveyor::Models::ValidationConditionMethods

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# File 'lib/surveyor/models/validation_condition_methods.rb', line 4

def self.included(base)
  # Associations
  base.send :belongs_to, :validation

  # Scopes
  
  @@validations_already_included ||= nil
  unless @@validations_already_included
    # Validations
    base.send :validates_presence_of, :operator, :rule_key
    base.send :validates_inclusion_of, :operator, :in => Surveyor::Common::OPERATORS
    base.send :validates_uniqueness_of, :rule_key, :scope => :validation_id
    # this causes issues with building and saving
    # base.send :validates_numericality_of, :validation_id #, :question_id, :answer_id
    
    @@validations_already_included = true
  end
  
  base.send :include, Surveyor::ActsAsResponse # includes "as" instance method

  # Class methods
  base.instance_eval do
    def operators
      Surveyor::Common::OPERATORS
    end
  end
end

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# File 'lib/surveyor/models/validation_condition_methods.rb', line 37

def is_valid?(response)
  klass = response.answer.response_class
  compare_to = Response.find_by_question_id_and_answer_id(self.question_id, self.answer_id) || self
  case self.operator
  when "==", "<", ">", "<=", ">="
    response.as(klass).send(self.operator, compare_to.as(klass))
  when "!="
    !(response.as(klass) == compare_to.as(klass))
  when "=~"
    return false if compare_to != self
    !(response.as(klass).to_s =~ Regexp.new(self.regexp || "")).nil?
  else
    false
  end
end