module Validatable
assumes that @checks is defined as an array of no-arg lambdas, each lambda raising an error (with useful msg) when check fails
Attributes
errors[R]
Public Instance Methods
check_methods()
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# File lib/music-transcription/validatable.rb, line 6 def check_methods; []; end
invalid?()
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# File lib/music-transcription/validatable.rb, line 35 def invalid? !self.valid? end
valid?()
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# File lib/music-transcription/validatable.rb, line 30 def valid? self.validate @errors.empty? end
validatables()
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# File lib/music-transcription/validatable.rb, line 7 def validatables; []; end
validate()
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# File lib/music-transcription/validatable.rb, line 9 def validate @errors = [] check_methods.each do |check_method| begin send(check_method) rescue StandardError => e @errors.push e end end validatables.each do |v| if v.respond_to?(:validate) @errors += v.validate end end return @errors end