Class: LightService::Organizer::WithReducer

Inherits:
Object
  • Object
show all
Defined in:
lib/light-service/organizer/with_reducer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(monitored_organizer = nil) ⇒ WithReducer 



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# File 'lib/light-service/organizer/with_reducer.rb', line 7

def initialize(monitored_organizer = nil)
  @organizer = monitored_organizer
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/light-service/organizer/with_reducer.rb', line 4

def context
  @context
end

#organizer ⇒ Object

Returns the value of attribute organizer.



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# File 'lib/light-service/organizer/with_reducer.rb', line 5

def organizer
  @organizer
end

Instance Method Details

#around_each(handler) ⇒ Object 



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# File 'lib/light-service/organizer/with_reducer.rb', line 17

def around_each(handler)
  @around_each_handler = handler
  self
end

#around_each_handler ⇒ Object 



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# File 'lib/light-service/organizer/with_reducer.rb', line 22

def around_each_handler
  @around_each_handler ||= Class.new do
    def self.call(_context)
      yield
    end
  end
end

#reduce(*actions) ⇒ Object 



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# File 'lib/light-service/organizer/with_reducer.rb', line 30

def reduce(*actions)
  raise "No action(s) were provided" if actions.empty?

  @context.around_actions ||= around_each_handler
  actions.flatten!

  actions.each_with_object(context) do |action, current_context|
    invoke_action(current_context, action)
  rescue FailWithRollbackError
    reduce_rollback(actions)
  ensure
    # For logging
    yield(current_context, action) if block_given?
  end
end

#reduce_rollback(actions) ⇒ Object 



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# File 'lib/light-service/organizer/with_reducer.rb', line 46

def reduce_rollback(actions)
  reversable_actions(actions)
    .reverse
    .reduce(context) do |context, action|
      if action.respond_to?(:rollback)
        action.rollback(context)
      else
        context
      end
    end
end

#with(data = {}) ⇒ Object 



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# File 'lib/light-service/organizer/with_reducer.rb', line 11

def with(data = {})
  @context = LightService::Context.make(data)
  @context.organized_by = organizer
  self
end