Class: Decidim::Command

Inherits:

Object

• Object
• Decidim::Command

Includes:

Wisper::Publisher

Defined in:

lib/decidim/command.rb

Direct Known Subclasses

Amendable::Accept, Amendable::CreateDraft, Amendable::DestroyDraft, Amendable::Promote, Amendable::PublishDraft, Amendable::Reject, Amendable::UpdateDraft, Amendable::Withdraw, Decidim::Commands::CreateResource, Decidim::Commands::DestroyResource, Decidim::Commands::RestoreResource, Decidim::Commands::SoftDeleteResource, Decidim::Commands::UpdateResource, CreateEditorImage, CreateEphemeralUser, CreateFollow, CreateOmniauthRegistration, CreateRegistration, CreateReport, CreateUserReport, DeleteFollow, DestroyAccount, DestroyEphemeralUser, InviteUser, InviteUserAgain, LikeResource, Messaging::ReplyToConversation, Messaging::StartConversation, ResendConfirmationInstructions, Search, UnlikeResource, UnsubscribeSettings, UpdateAccount, UpdateNotificationsSettings, UpdatePassword, UpdateResourcesTaxonomies, ValidateUpload

Class Method Summary

• .call ⇒ Object

Instance Method Summary

• #evaluate(&block) ⇒ Object
• #method_missing(method_name) ⇒ Object
• #respond_to_missing?(method_name, include_private = false) ⇒ Boolean
• #transaction ⇒ Object
• #with_events(with_transaction: false) ⇒ Object

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name) ⇒ Object

# File 'lib/decidim/command.rb', line 34

def method_missing(method_name, ...)
  if @caller.respond_to?(method_name, true)
    @caller.send(method_name, ...)
  else
    super
  end
end

Class Method Details

.call ⇒ Object

# File 'lib/decidim/command.rb', line 14

def self.call(*, **, &)
  event_recorder = Decidim::EventRecorder.new

  command = new(*, **)
  command.subscribe(event_recorder)
  command.evaluate(&) if block_given?
  command.call

  event_recorder.events
end

Instance Method Details

#evaluate(&block) ⇒ Object

# File 'lib/decidim/command.rb', line 25

def evaluate(&block)
  @caller = block.binding.receiver
  instance_eval(&block)
end

#respond_to_missing?(method_name, include_private = false) ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/decidim/command.rb', line 42

def respond_to_missing?(method_name, include_private = false)
  @caller.respond_to?(method_name, include_private)
end

#transaction ⇒ Object

# File 'lib/decidim/command.rb', line 30

def transaction(&)
  ActiveRecord::Base.transaction(&) if block_given?
end

#with_events(with_transaction: false) ⇒ Object

# File 'lib/decidim/command.rb', line 46

def with_events(with_transaction: false, &)
  ActiveSupport::Notifications.publish("#{event_namespace}:before", **event_arguments)

  with_transaction ? transaction(&) : yield

  ActiveSupport::Notifications.publish("#{event_namespace}:after", **event_arguments)
end