Class: Themis::AR::UseNestedValidationOnMethod

Inherits:
Object
  • Object
show all
Defined in:
lib/themis/ar/use_nested_validation_on_method.rb

Overview

Encapsulates BaseExtension#use_nested_validation_on method

Instance Method Summary collapse

Constructor Details

#initialize(model, associations, nested_associations) ⇒ UseNestedValidationOnMethod

Returns a new instance of UseNestedValidationOnMethod.

Parameters:

  • model (ActiveRecord::Base) —

    base mdoel

  • associations (Array<Symbol>) —

    associations on base model

  • nested_associations (Hash) —

    deep nested associations



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# File 'lib/themis/ar/use_nested_validation_on_method.rb', line 9

def initialize(model, associations, nested_associations)
  @model = model
  @associations = associations
  @nested_associations = nested_associations
end

Instance Method Details

#add_after_association_loaded_hooks ⇒ Object

Add after_association_loaded hooks to associations so when association is loaded it would have same validation as base model.



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# File 'lib/themis/ar/use_nested_validation_on_method.rb', line 36

def add_after_association_loaded_hooks
  @associations.each do |association_name|
    @model.after_association_loaded(association_name) do |association|
      validation = association.owner.themis_validation
      target     = association.target

      if validation
        if target.respond_to?(:each)
          target.each { |model| model.use_validation(validation) }
        elsif target.is_a? ActiveRecord::Base
          target.use_validation(validation) if validation
        end
      end
    end
  end
end

#execute ⇒ Object

Trigger calling use_nested_validation_on on associations and adds after_association_loaded hooks.



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# File 'lib/themis/ar/use_nested_validation_on_method.rb', line 17

def execute
  # Set themis_default_nested for current model
  @model.themis_default_nested = @associations unless @associations.empty?

  process_nested_validations
  add_after_association_loaded_hooks
end

#process_nested_validations ⇒ Object

Iterate over associations and recursively call #use_nested_validation_on



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# File 'lib/themis/ar/use_nested_validation_on_method.rb', line 26

def process_nested_validations
  @nested_associations.each do |association_name, nested|
    reflection  = @model.reflect_on_association(association_name)
    model_class = reflection.class_name.constantize
    model_class.use_nested_validation_on(nested)
  end
end