module ConvertersBeforeValidation

downcase_before_validation_for(*attributes_list) click to toggle source

Usage:

downcase_before_validation_for :email, :login

# File lib/converters_before_validation.rb, line 32
def self.downcase_before_validation_for(*attributes_list)
  string_converter_before_validation :downcase, *attributes_list
end

squish_before_validation_for(*attributes_list) click to toggle source

Usage:

squish_before_validation_for :name, :surname, :email, :login

# File lib/converters_before_validation.rb, line 38
def self.squish_before_validation_for(*attributes_list)
  string_converter_before_validation :squish, *attributes_list
end

string_converter_before_validation(formatter_function, *attributes_list) click to toggle source

Adds private callback before_validation, which applies necessary function to attributes.

Usage:

string_converter_before_validation :camelcase, :field1, :field2, :field3

Parameters:

formatter_function: Name of String functions: downcase, squish, upcase, camelcase, … (Example: 'camelcase', :camelcase, “camelcase”)
attributes_list: List of attributes, which values will be converted with formatter_function.

# File lib/converters_before_validation.rb, line 16
def self.string_converter_before_validation(formatter_function, *attributes_list)
  callback_name = "callback_converters_before_validation_string_#{formatter_function}"

  before_validation callback_name.to_sym

  class_eval(%(
  def #{callback_name}
  #{attributes_list.map { |aa| "    self.#{aa.to_s.squish} = #{aa.to_s.squish}.to_s.#{formatter_function};" }.join("\n")}
  end
  ))

  private callback_name.to_s
end

upcase_before_validation_for(*attributes_list) click to toggle source

Usage:

upcase_before_validation_for :title

# File lib/converters_before_validation.rb, line 44
def self.upcase_before_validation_for(*attributes_list)
  string_converter_before_validation :upcase, *attributes_list
end

Constants

Public Class Methods