Class: Filterameter::ParametersBase

Inherits:
Object
  • Object
show all
Includes:
ActiveModel::Validations, Validators
Defined in:
lib/filterameter/parameters_base.rb

Overview

# Parameters

Class Parameters is sub-classed to provide controller-specific validations.

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes) ⇒ ParametersBase

Returns a new instance of ParametersBase.



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# File 'lib/filterameter/parameters_base.rb', line 35

def initialize(attributes)
  attributes.each { |k, v| assign_attribute(k, v) }
end

Class Method Details

.add_validation(parameter_name, validations) ⇒ Object 



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# File 'lib/filterameter/parameters_base.rb', line 26

def self.add_validation(parameter_name, validations)
  attr_accessor parameter_name

  default_options = { allow_nil: true }
  validations.each do |validation|
    validates parameter_name, default_options.merge(validation)
  end
end

.build_sub_class(declarations) ⇒ Object 



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# File 'lib/filterameter/parameters_base.rb', line 14

def self.build_sub_class(declarations)
  Class.new(self).tap do |sub_class|
    declarations.select(&:validations?).each do |declaration|
      sub_class.add_validation(declaration.parameter_name, declaration.validations)
    end
  end
end

.name ⇒ Object 



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# File 'lib/filterameter/parameters_base.rb', line 22

def self.name
  'ControllerParameters'
end