Class: Ohm::Validations::Presenter

Inherits:

Object

• Object
• Ohm::Validations::Presenter

show all

Defined in:

lib/ohm/validations.rb

Defined Under Namespace

Classes: UnhandledErrors

Instance Method Summary (collapse)

• - (Object) handle(error) protected
• - (Object) ignore(error)
• - (Presenter) initialize(errors) constructor

  A new instance of Presenter.

• - (Object) on(error, message = (block_given? ? yield : raise(ArgumentError)))
• - (Object) present {|_self| ... }

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# File 'lib/ohm/validations.rb', line 18

def initialize(errors)
  @errors = errors
  @unhandled = errors.dup
  @output = []
end

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# File 'lib/ohm/validations.rb', line 42

def handle(error)
  if (errors = @errors.select {|e| error === e }).any?
    @unhandled -= errors
    yield(errors) if block_given?
  end
end

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# File 'lib/ohm/validations.rb', line 30

def ignore(error)
  handle(error)
end

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# File 'lib/ohm/validations.rb', line 24

def on(error, message = (block_given? ? yield : raise(ArgumentError)))
  handle(error) do
    @output << message
  end
end

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# File 'lib/ohm/validations.rb', line 34

def present
  yield(self)
  raise UnhandledErrors.new(@unhandled) unless @unhandled.empty?
  @output
end