Module: Themis::Validation

Extended by:
ActiveSupport::Autoload
Defined in:
lib/themis/validation.rb,
lib/themis/validation/validator.rb

Overview

Extends other modules to make them be validation modules. Consider it as the “parent module” for all validation modules.

Examples:

define UserValidation


module UserValidation
  extend Themis::Validation

  validates :email   , :presence => true
  validates :nickname, :presence => true
end

Defined Under Namespace

Classes: Validator

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *args) ⇒ Object (private)

Save all calls of validation methods as array of validators



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# File 'lib/themis/validation.rb', line 38

def method_missing(method_name, *args)
  if method_name.to_s =~ /\Avalidate/
    self.validators << Themis::Validation::Validator.new(method_name, args)
  else
    super
  end
end

Instance Method Details

#included(base) ⇒ Object

When included in another module: copy validators to another module. When included in ActiveRecord model: define validators on model.

Parameters:

  • base (Module, ActiveRecord::Base) —

    another validation module or ActiveRecord model.



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# File 'lib/themis/validation.rb', line 27

def included(base)
  if base.instance_of?(Module) && base.respond_to?(:validators)
    base.validators.concat(validators)
  elsif base.ancestors.include? ::ActiveRecord::Base
    apply_to_model!(base)
  else
    raise "Validation module `#{self.inspect}` can be included only in another validation module or in ActiveRecord model"
  end
end

#validators ⇒ Array<Validator>

Array validators defined in module.

Returns:

  • (Array<Validator>) —

    array of module’s validators



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# File 'lib/themis/validation.rb', line 20

def validators
  @validators ||= []
end