Class: Dry::Operation::Extensions::ActiveRecord::Builder Private

Inherits:
Module
  • Object
show all
Defined in:
lib/dry/operation/extensions/active_record.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(connection, **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/active_record.rb', line 93

def initialize(connection, **options)
  super()
  @connection = connection
  @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/active_record.rb', line 99

def included(klass)
  class_exec(@connection, @options) do |default_connection, options|
    # @!method transaction(connection = ActiveRecord::Base, **options, &steps)
    #   Wrap the given steps in an ActiveRecord transaction.
    #
    #   If any of the steps returns a `Dry::Monads::Result::Failure`, the
    #   transaction will be rolled back and `:halt` will be thrown with the
    #   failure as its value.
    #
    #   @param connection [#transaction] The class/object to use
    #   @param options [Hash] Additional options for the ActiveRecord transaction
    #   @yieldreturn [Object] the result of the block
    #   @see Dry::Operation#steps
    #   @see https://api.rubyonrails.org/classes/ActiveRecord/ConnectionAdapters/DatabaseStatements.html#method-i-transaction
    klass.define_method(:transaction) do |connection = default_connection, **opts, &steps|
      intercepting_failure do
        result = nil
        connection.transaction(**options.merge(opts)) do
          intercepting_failure(->(failure) {
                                 result = failure
                                 raise ::ActiveRecord::Rollback
                               }) do
            result = steps.()
          end
        end
        result
      end
    end
  end
end