Method: Mongoid::Versioning#revise

Defined in:
lib/mongoid/versioning.rb

#revise ⇒ Object

Create a new version of the Document. This will load the previous document from the database and set it as the next version before saving the current document. It then increments the version number. If a #max_versions limit is set in the model and it’s exceeded, the oldest version gets discarded.

Examples:

Revise the document.

person.revise

Since:

  • 1.0.0



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# File 'lib/mongoid/versioning.rb', line 36

def revise
  previous = previous_revision
  if previous && versioned_attributes_changed?
    versions.build(
      previous.versioned_attributes, :without_protection => true
    ).attributes.delete("_id")
    if version_max.present? && versions.length > version_max
      deleted = versions.first
      if deleted.paranoid?
        versions.delete_one(deleted)
        collection.update(
          atomic_selector,
          { "$pull" => { "versions" => { "version" => deleted.version }}}
        )
      else
        versions.delete(deleted)
      end
    end
    self.version = (version || 1 ) + 1
  end
end