Class: DataMapper::Validate::CustomValidator

Inherits:
GenericValidator show all
Defined in:
lib/dm-validations/custom_validator.rb

Overview

Author:

  • Guy van den Berg

Since:

  • 0.9

Instance Attribute Summary

Attributes inherited from GenericValidator

#if_clause, #unless_clause

Instance Method Summary collapse

Methods inherited from GenericValidator

#==, #add_error, #execute?, #field_name

Constructor Details

#initialize(field_name, options = {}, &b) ⇒ CustomValidator

Returns a new instance of CustomValidator.

Since:

  • 0.9


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# File 'lib/dm-validations/custom_validator.rb', line 12

def initialize(field_name, options = {}, &b)
  #super(field_name, options)
  #@field_name, @options = field_name, options
  #@options[:allow_nil] = false unless @options.has_key?(:allow_nil)
end

Instance Method Details

#call(target) ⇒ Object

Since:

  • 0.9


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# File 'lib/dm-validations/custom_validator.rb', line 18

def call(target)
  #field_value = target.instance_variable_get("@#{@field_name}")
  #return true if @options[:allow_nil] && field_value.nil?

  #validation = (@options[:as] || @options[:with])
  #error_message = nil

  # Figure out what to use as the actual validator.
  # If a symbol is passed to :as, look up
  # the canned validation in FORMATS.
  #
  #validator = if validation.is_a? Symbol
  #  if FORMATS[validation].is_a? Array
  #    error_message = FORMATS[validation][1]
  #    FORMATS[validation][0]
  #  else
  #    FORMATS[validation] || validation
  #  end
  #else
  #  validation
  #end

  #valid = case validator
  #when Proc then validator.call(field_value)
  #when Regexp then validator =~ field_value
  #else raise UnknownValidationFormat, "Can't determine how to validate #{target.class}##{@field_name} with #{validator.inspect}"
  #end

  #unless valid
  #  field = Inflector.humanize(@field_name)
  #  value = field_value
  #
  #  error_message = @options[:message] || error_message || '%s is invalid'.t(field)
  #  error_message = error_message.call(field, value) if Proc === error_message
  #
  #  add_error(target, error_message , @field_name)
  #end

  #return valid
end