Class: Anodator::Validator::NumericValidator

Inherits:
Base
  • Object
show all
Defined in:
lib/anodator/validator/numeric_validator.rb

Instance Attribute Summary

Attributes inherited from Base

#options, #target

Instance Method Summary collapse

Methods inherited from Base

#allow_blank?, #argument_value_at, default_options, #description, #target_value, #to_s, #valid?, valid_option_keys, #validate_configuration, values, values=

Constructor Details

#initialize(target_expression, options = { }) ⇒ NumericValidator

Returns a new instance of NumericValidator.



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# File 'lib/anodator/validator/numeric_validator.rb', line 11

def initialize(target_expression, options = { })
  super(target_expression, options)

  [:greater_than, :greater_than_or_equal_to,
    :less_than, :less_than_or_equal_to,
    :equal_to, :not_equal_to].each do |key|
    @options[key] = proxy_value(@options[key]) unless @options[key].nil?
  end
end

Instance Method Details

#validate ⇒ Object 



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# File 'lib/anodator/validator/numeric_validator.rb', line 21

def validate
  if allow_blank?
    return true if target_value.split(//).size.zero?
  end

  # check format
  if @options[:only_integer]
    regexp = /^-?\d+$/
  else
    regexp = /^-?\d+(\.\d+)?$/
  end
  return false unless regexp.match target_value

  # convert BigDecimal value
  value = BigDecimal.new(target_value)

  @options.each do |option, configuration|
    case option
    when :greater_than
      return false unless value > BigDecimal.new(configuration.value.to_s)
    when :greater_than_or_equal_to
      return false unless value >= BigDecimal.new(configuration.value.to_s)
    when :less_than
      return false unless value < BigDecimal.new(configuration.value.to_s)
    when :less_than_or_equal_to
      return false unless value <= BigDecimal.new(configuration.value.to_s)
    when :equal_to
      return false unless value == BigDecimal.new(configuration.value.to_s)
    when :not_equal_to
      return false unless value != BigDecimal.new(configuration.value.to_s)
    end
  end

  return true
end