Class: Alchemy::DuplicateElement

Inherits:
Object
  • Object
show all
Defined in:
app/services/alchemy/duplicate_element.rb

Constant Summary collapse

SKIPPED_ATTRIBUTES_ON_COPY = 
[
  "cached_tag_list",
  "created_at",
  "creator_id",
  "position",
  "id",
  "folded",
  "updated_at",
  "updater_id",
].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source_element, repository: source_element.page_version.element_repository) ⇒ DuplicateElement

Returns a new instance of DuplicateElement.



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# File 'app/services/alchemy/duplicate_element.rb', line 18

def initialize(source_element, repository: source_element.page_version.element_repository)
  @source_element = source_element
  @repository = repository
end

Instance Attribute Details

#repository ⇒ Object (readonly)

Returns the value of attribute repository.



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# File 'app/services/alchemy/duplicate_element.rb', line 16

def repository
  @repository
end

#source_element ⇒ Object (readonly)

Returns the value of attribute source_element.



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# File 'app/services/alchemy/duplicate_element.rb', line 16

def source_element
  @source_element
end

Instance Method Details

#call(differences = {}) ⇒ Object 



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# File 'app/services/alchemy/duplicate_element.rb', line 23

def call(differences = {})
  attributes = source_element.attributes.with_indifferent_access
    .except(*SKIPPED_ATTRIBUTES_ON_COPY)
    .merge(differences)
    .merge(
      autogenerate_contents: false,
      autogenerate_ingredients: false,
      autogenerate_nested_elements: false,
      tags: source_element.tags,
    )

  new_element = Element.new(attributes)
  new_element.ingredients = source_element.ingredients.map(&:dup)
  new_element.save!

  source_element.contents.map do |content|
    Content.copy(content, element: new_element)
  end

  nested_elements = repository.children_of(source_element)
  Element.acts_as_list_no_update do
    nested_elements.each.with_index(1) do |nested_element, position|
      self.class.new(nested_element, repository: repository).call(
        parent_element: new_element,
        page_version: new_element.page_version,
        position: position
      )
    end
  end

  new_element
end