Class: Julewire::Core::Processing::ProcessorChain

Inherits:
Object
  • Object
show all
Defined in:
lib/julewire/core/processing/processor_chain.rb

Defined Under Namespace

Classes: ErrorResult

Constant Summary collapse

DROP = 
Core.sentinel(:drop)

Instance Method Summary collapse

Constructor Details

#initialize(processors:, on_error:, on_invalid:, on_invalid_draft:) ⇒ ProcessorChain

Returns a new instance of ProcessorChain.



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# File 'lib/julewire/core/processing/processor_chain.rb', line 10

def initialize(processors:, on_error:, on_invalid:, on_invalid_draft:)
  @processors = processors
  @on_error = on_error
  @on_invalid = on_invalid
  @on_invalid_draft = on_invalid_draft
end

Instance Method Details

#call(draft) ⇒ Object 



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# File 'lib/julewire/core/processing/processor_chain.rb', line 19

def call(draft)
  current = draft

  @processors.each do |processor|
    result = processor.call(current)
    current = apply_processor_result(current, processor, result)
    return DROP if current.equal?(DROP)
    return DROP unless valid_processor_draft?(processor, current)
  rescue StandardError => e
    action = handle_processor_error(processor, e, current)
    case action
    when :continue
      return DROP unless valid_processor_draft?(processor, current)
    when :drop
      return DROP
    else
      return action
    end
  end

  current
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/julewire/core/processing/processor_chain.rb', line 17

def empty? = @processors.empty?