Class: Decidim::Command

Inherits:

Object

• Object
• Decidim::Command

Includes:

Wisper::Publisher

Defined in:

lib/decidim/command.rb

Direct Known Subclasses

AcceptGroupInvitation, AcceptUserGroupJoinRequest, Amendable::Accept, Amendable::CreateDraft, Amendable::DestroyDraft, Amendable::Promote, Amendable::PublishDraft, Amendable::Reject, Amendable::UpdateDraft, Amendable::Withdraw, Decidim::Commands::CreateResource, Decidim::Commands::DestroyResource, Decidim::Commands::UpdateResource, CreateEditorImage, CreateFollow, CreateOmniauthRegistration, CreateRegistration, CreateReport, CreateUserGroup, CreateUserReport, DeleteFollow, DemoteMembership, DestroyAccount, EndorseResource, InviteUser, InviteUserAgain, InviteUserToGroup, JoinUserGroup, LeaveUserGroup, Messaging::ReplyToConversation, Messaging::StartConversation, PromoteMembership, RejectGroupInvitation, RejectUserGroupJoinRequest, RemoveUserFromGroup, ResendConfirmationInstructions, Search, UnendorseResource, UnsubscribeSettings, UpdateAccount, UpdateNotificationsSettings, UpdatePassword, UpdateUserGroup, UpdateUserInterests, 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, &block) ⇒ 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 33

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 13

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 24

def evaluate(&block)
  @caller = eval("self", block.binding, __FILE__, __LINE__)
  instance_eval(&block)
end

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

Returns:

• (Boolean)

# File 'lib/decidim/command.rb', line 41

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 29

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

#with_events(with_transaction: false, &block) ⇒ Object

# File 'lib/decidim/command.rb', line 45

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

  with_transaction ? transaction(&block) : yield

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