Class: Dry::Operation::Extensions::Sequel::Builder Private

Inherits:
Module
  • Object
show all
Defined in:
lib/dry/operation/extensions/sequel.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(**options) ⇒ 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/sequel.rb', line 79

def initialize(**options)
  super()
  @options = options
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/sequel.rb', line 84

def included(klass)
  class_exec(@options) do |default_options|
    klass.define_method(:transaction) do |**opts, &steps|
      raise Dry::Operation::ExtensionError, <<~MSG unless respond_to?(:db)
        When using the Sequel extension, you need to define a #db method \
        that returns the Sequel database object
      MSG

      intercepting_failure do
        result = nil
        db.transaction(**default_options.merge(opts)) do
          intercepting_failure(->(failure) {
            result = failure
            raise ::Sequel::Rollback
          }) do
            result = steps.()
          end
        end
        result
      end
    end
  end
end