Module: Assembler::Initializer

Defined in:
lib/assembler/initializer.rb

Instance Method Summary collapse

Instance Method Details

#initialize(options = {}) {|builder| ... } ⇒ Object

Yields:

  • (builder)

Raises:

  • (ArgumentError)


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# File 'lib/assembler/initializer.rb', line 6

def initialize(options={})
  if self.class.before_assembly_blocks.any?
    self.class.before_assembly_blocks.each do |block|
      instance_eval(&block)
    end
  end

  builder = Assembler::Builder.new(self.class.assembly_parameters_hash, options)

  yield builder if block_given?

  missing_required_parameters = []

  self.class.assembly_parameters.each do |param|
    if_required_and_missing = -> { missing_required_parameters << param.name }

    value = param.value_from(builder.to_h, &if_required_and_missing) 

    instance_variable_set(:"@#{param.name}", value)
  end

  raise(ArgumentError, "missing keywords: #{missing_required_parameters.join(', ')}") if missing_required_parameters.any?

  if self.class.after_assembly_blocks.any?
    self.class.after_assembly_blocks.each do |block|
      instance_eval(&block)
    end
  end
end