Class: ParamsFor::Base

Inherits:
Object
  • Object
show all
Includes:
ActiveModel::Validations
Defined in:
lib/params_for/base.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ Base

Initializes the param validator object with the given controller params HashwithIndifferentAccess object and feeds any defined attribute with the given param key if they exists



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# File 'lib/params_for/base.rb', line 30

def initialize(params = {})
  params.each do |key, value|
    attribute?(key) && send("#{key}=", value)
  end
end

Class Method Details

.attr_accessor(*vars) ⇒ Object

Memoizes the accessor atrributes in the @attributes variable to be able to list them and access them



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# File 'lib/params_for/base.rb', line 10

def self.attr_accessor(*vars)
  @attributes ||= []
  @attributes.concat vars
  super(*vars)
end

.attributes ⇒ Array(Symbols)

Accessor method to the memoized attrubutes setted by the attr_accessor method

Returns:

  • (Array(Symbols)) 


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# File 'lib/params_for/base.rb', line 19

def self.attributes
  @attributes ||= []

  super_attributes = superclass.attributes if superclass && superclass.respond_to?(:attributes)
  (super_attributes || []) + @attributes
end

Instance Method Details

#attributes ⇒ Array(Symbol)

Alias for the attributes class method

Returns:

  • (Array(Symbol)) 


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# File 'lib/params_for/base.rb', line 39

def attributes
  self.class.attributes
end

#to_params ⇒ HashWithIndifferentAccess

Returns the given attibutes validated and parsed if needed to be used in the controller

Returns:

  • (HashWithIndifferentAccess) 


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# File 'lib/params_for/base.rb', line 47

def to_params
  ::HashWithIndifferentAccess.new(attributes_hash)
end