Class: SimpleValidate::ValidatesExclusionOf

Inherits:
ValidatesBase show all
Defined in:
lib/simple_validate/validates_exclusion_of.rb

Instance Attribute Summary

Attributes inherited from ValidatesBase

#attribute, #condition, #message

Instance Method Summary collapse

Constructor Details

#initialize(attribute, options) ⇒ ValidatesExclusionOf

Returns a new instance of ValidatesExclusionOf.

Raises:

  • (ArgumentError) 


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# File 'lib/simple_validate/validates_exclusion_of.rb', line 5

def initialize(attribute, options)
  @set = options[:in]
  @allow_nil = options[:allow_nil]

  raise ArgumentError unless [Array, Range].include?(@set.class)

  super(attribute, options[:message] ||
    "breaks exclusion rules", options[:if] || proc { true })
end

Instance Method Details

#valid?(instance) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/simple_validate/validates_exclusion_of.rb', line 15

def valid?(instance)
  val = instance.send(attribute)

  return true if val.nil? && @allow_nil == true

  !@set.to_a.include?(val)
end