Class: Vldt::Join

Inherits:
Validation show all
Defined in:
lib/vldt/join.rb

Overview

Join multiple validations together and merge all of their errors.

Instance Method Summary collapse

Constructor Details

#initialize(*validations) ⇒ Join

Returns a new instance of Join.



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# File 'lib/vldt/join.rb', line 4

def initialize (*validations)
  @validations = validations
end

Instance Method Details

#call(object) ⇒ Object 



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# File 'lib/vldt/join.rb', line 8

def call (object)
  errors = @validations.map { |v| v.call(object) }

  if errors.any?
    errors.compact.inject(Hash.new([])) do |es, e|
      e.each do |k, v|
        es[k] += v
      end

      es
    end
  end
end