Class: Dry::Operation::Extensions::ROM::Builder Private

Inherits:
Module
  • Object
show all
Defined in:
lib/dry/operation/extensions/rom.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Instance Method Summary collapse

Constructor Details

#initialize(gateway:) ⇒ Builder

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Builder.



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# File 'lib/dry/operation/extensions/rom.rb', line 93

def initialize(gateway:)
  super()
  @gateway = gateway
end

Instance Method Details

#included(klass) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/dry/operation/extensions/rom.rb', line 98

def included(klass)
  class_exec(@gateway) do |default_gateway|
    klass.define_method(:transaction) do |gateway: default_gateway, &steps|
      raise Dry::Operation::ExtensionError, <<~MSG unless respond_to?(:rom)
        When using the ROM extension, you need to define a #rom method \
        that returns the ROM container
      MSG

      intercepting_failure do
        result = nil
        rom.gateways[gateway].transaction do |t|
          intercepting_failure(->(failure) {
                                 result = failure
                                 t.rollback!
                               }) do
            result = steps.()
          end
        end
        result
      end
    end
  end
end