Class: MongoidEmbedFinder::NestedBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/mongoid_embed_finder/nested_builder.rb

Instance Method Summary collapse

Constructor Details

#initialize(nested_attrs, relations) ⇒ NestedBuilder

Returns a new instance of NestedBuilder.



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# File 'lib/mongoid_embed_finder/nested_builder.rb', line 3

def initialize(nested_attrs, relations)
  @nested_attrs = nested_attrs
  @relations = relations
end

Instance Method Details

#build_child ⇒ Object 



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# File 'lib/mongoid_embed_finder/nested_builder.rb', line 8

def build_child
  return nil if children_attributes.empty?

  @relations.child_class.new(children_attributes.first).tap do |child|
    child.public_send(@relations.parent.setter, build_parent)
  end
end

#build_parent ⇒ Object 



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# File 'lib/mongoid_embed_finder/nested_builder.rb', line 16

def build_parent
  @relations.parent_class.new(parent_attributes)
end

#children_attributes ⇒ Object 



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# File 'lib/mongoid_embed_finder/nested_builder.rb', line 20

def children_attributes
  @children_attributes ||= @nested_attrs.fetch(@relations.children.key)
end

#parent_attributes ⇒ Object 



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# File 'lib/mongoid_embed_finder/nested_builder.rb', line 24

def parent_attributes
  @parent_attributes ||= @nested_attrs.except(@relations.children.key)
end