Class: Validation

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/validation.rb

Instance Method Summary collapse

Instance Method Details

#conditions_hash(response_set) ⇒ Object

A hash of the conditions (keyed by rule_key) and their evaluation (boolean) in the context of response_set



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# File 'app/models/validation.rb', line 31

def conditions_hash(response_set)
  hash = {}
  response = response_set.responses.detect{|r| r.answer_id.to_i == self.answer_id.to_i}
  # logger.debug "r: #{response.inspect}"
  self.validation_conditions.each{|vc| hash.merge!(vc.to_hash(response))}
  return hash
end

#is_valid?(response_set) ⇒ Boolean

Instance Methods

Returns:

  • (Boolean) 


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# File 'app/models/validation.rb', line 19

def is_valid?(response_set)
  ch = conditions_hash(response_set)
  rgx = Regexp.new(self.validation_conditions.map{|vc| ["a","o"].include?(vc.rule_key) ? "#{vc.rule_key}(?!nd|r)" : vc.rule_key}.join("|")) # exclude and, or
  # logger.debug "v: #{self.inspect}"
  # logger.debug "rule: #{self.rule.inspect}"
  # logger.debug "rexp: #{rgx.inspect}"
  # logger.debug "keyp: #{ch.inspect}"
  # logger.debug "subd: #{self.rule.gsub(rgx){|m| ch[m.to_sym]}}"
  eval(self.rule.gsub(rgx){|m| ch[m.to_sym]})
end