Module: IronAdmin::Concerns::Nestable::NestedReader

Defined in:
lib/iron_admin/concerns/nestable.rb

Overview

Reader and resolver for nested associations.

Instance Method Summary collapse

Instance Method Details

#nested_associations ⇒ Object 



35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
 
# File 'lib/iron_admin/concerns/nestable.rb', line 35

def nested_associations
  defined_associations.select { |_, v| v[:nested] }.map do |assoc_name, config|
    reflection = adapter.association(assoc_name)
    raise ArgumentError, "Unknown association #{assoc_name} for #{model.name}" unless reflection

    NestedAttributesValidator.validate!(model, assoc_name)
    fields = resolve_nested_fields(config, reflection.klass, reflection.foreign_key)

    NestedAssociation.new(
      name: assoc_name, kind: config[:kind], reflection: reflection,
      fields: fields, allow_destroy: config.fetch(:allow_destroy, true),
      position_field: config[:position_field]
    )
  end
end