Class: Inboxable::HandlerGenerator

Inherits:
Rails::Generators::Base
  • Object
show all
Defined in:
lib/generators/inboxable/handler_generator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ HandlerGenerator

Returns a new instance of HandlerGenerator.



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# File 'lib/generators/inboxable/handler_generator.rb', line 9

def initialize(*args)
  super(*args)

  @handler_name = options[:handler_name]
  @handler_name != 'Handler' || raise('Handler name is required')

  @namespace = options[:namespace].classify.to_s
  @namespace != 'Namespace' || raise('Namespace is required')

  @nested_namespace = @namespace.include?('::')
end

Instance Attribute Details

#nested_namespace ⇒ Object (readonly)

Returns the value of attribute nested_namespace.



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# File 'lib/generators/inboxable/handler_generator.rb', line 7

def nested_namespace
  @nested_namespace
end

Instance Method Details

#copy_initializer ⇒ Object 



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# File 'lib/generators/inboxable/handler_generator.rb', line 35

def copy_initializer
  target_path = determine_target_path

  if Rails.root.join(target_path).exist?
    say_status('skipped', 'Handler already exists')
  else

    create_file(target_path, "module EventHandlers::\#{@namespace}\n  class \#{@handler_name.classify}\ndef processor_class_name\n  raise NotImplementedError # e.g. 'Processors::ExampleUpdateJob'\nend\n\ndef self.handle!(_channel, delivery_info, properties, payload)\n  raise ::RabbitCarrots::EventHandlers::Errors::NackMessage if payload.blank?\n\n  begin\n    Inbox.create!(\n      route_name: delivery_info.routing_key,\n      postman_name: delivery_info&.consumer&.queue&.name,\n      payload:,\n      event_id: JSON.parse(payload)['id'],\n      status: :pending,\n      processor_class_name:, # TODO: change this\n      metadata: properties[:headers]\n    )\n\n  rescue ActiveRecord::RecordNotUnique\n    true\n  end\nend\n  end\nend\n          FILE\n    )\n  end\nend\n"

#determine_target_path ⇒ Object 



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# File 'lib/generators/inboxable/handler_generator.rb', line 21

def determine_target_path
  base_path = 'app/services/event_handlers'

  if @nested_namespace
    @namespace.split('::').each do |namespace|
      base_path = "#{base_path}/#{namespace.underscore.downcase}"
    end

    "#{base_path}/#{@handler_name}"
  else
    "#{base_path}/#{@namespace.underscore.downcase}/#{@handler_name.underscore.downcase}.rb"
  end
end