Module: Hoardable::VersionModel

Extended by:
ActiveSupport::Concern
Defined in:
lib/hoardable/version_model.rb

Overview

This concern is included into the dynamically generated Version kind of the parent ActiveRecord class.

Instance Method Summary collapse

Instance Method Details

#changes ⇒ Object

Returns the ActiveRecord changes that were present during version creation.



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# File 'lib/hoardable/version_model.rb', line 122

def changes
  _data&.dig("changes")
end

#revert! ⇒ Object

Reverts the parent ActiveRecord instance to the saved attributes of this version. Raises an error if the version is trashed.

Raises:



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# File 'lib/hoardable/version_model.rb', line 86

def revert!
  raise(Error, "Version is trashed, cannot revert") unless hoardable_operation == "update"

  transaction do
    hoardable_source.tap do |reverted|
      reverted.reload.update!(
        hoardable_source_attributes.without(self.class.superclass.primary_key, "hoardable_id")
      )
      reverted.instance_variable_set(:@hoardable_version, self)
      reverted.run_callbacks(:reverted)
    end
  end
end

#untrash! ⇒ Object

Inserts a trashed version back into its parent ActiveRecord table with its original primary key. Raises an error if the version is not trashed.

Raises:



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# File 'lib/hoardable/version_model.rb', line 102

def untrash!
  raise(Error, "Version is not trashed, cannot untrash") unless hoardable_operation == "delete"

  transaction do
    insert_untrashed_source.tap do |untrashed|
      untrashed
        .send("hoardable_client")
        .insert_hoardable_version("insert") do
          untrashed.instance_variable_set(:@hoardable_version, self)
          untrashed.run_callbacks(:untrashed)
        end
    end
  end
end