Class: UuidAssociations::ActiveRecord::NestedAttributes::UuidFinder

Inherits:
Object
  • Object
show all
Defined in:
lib/uuid_associations/active_record/nested_attributes/uuid_finder.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(association_klass, attribute_collection, options) ⇒ UuidFinder

Returns a new instance of UuidFinder.



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# File 'lib/uuid_associations/active_record/nested_attributes/uuid_finder.rb', line 11

def initialize(association_klass, attribute_collection, options)
  @association_klass    = association_klass
  @attribute_collection = attribute_collection
  @options              = options
end

Class Method Details

.replaced_uuids_with_ids(association_klass, attribute_collection, options) ⇒ Object 



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# File 'lib/uuid_associations/active_record/nested_attributes/uuid_finder.rb', line 7

def self.replaced_uuids_with_ids(association_klass, attribute_collection, options)
  new(association_klass, attribute_collection, options).call
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/uuid_associations/active_record/nested_attributes/uuid_finder.rb', line 17

def call
  to_replace, to_keep = attribute_collection.partition do |attributes|
    symbol_keys = attributes.keys.map(&:to_sym)

    (symbol_keys & [:uuid, :id]) == [:uuid]
  end

  uuids_to_find = to_replace.map { |element| element[:uuid] }
  found_records = association_klass.where(uuid: uuids_to_find)

  replaced = to_replace.each_with_object([]) do |attributes, collection|
    uuid = attributes.delete(:uuid)

    record = found_records.find { |found_record| found_record.uuid == uuid }

    if @options[:create_missing_uuids]
      collection << if record.blank?
        attributes.merge(uuid: uuid)
      else
        attributes.merge(id: record.id)
      end
    else
      raise_not_found_error(uuid) if record.blank?

      collection << attributes.merge(id: record.id)
    end
  end

  to_keep + replaced
end