Class: ActiveEntity::Validations::UniquenessInEmbedsValidator

Inherits:
ActiveModel::EachValidator
  • Object
show all
Defined in:
lib/active_entity/validations/uniqueness_in_embeds.rb

Overview

:nodoc:

Constant Summary collapse

ERROR_MESSAGE = 
"`key` option of the configuration hash must be symbol or array of symbols."

Instance Method Summary collapse

Instance Method Details

#check_validity! ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/active_entity/validations/uniqueness_in_embeds.rb', line 8

def check_validity!
  return if key.is_a?(Symbol) || key.is_a?(Array)

  raise ArgumentError, ERROR_MESSAGE
end

#validate_each(record, attribute, association_or_value) ⇒ Object 



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# File 'lib/active_entity/validations/uniqueness_in_embeds.rb', line 14

def validate_each(record, attribute, association_or_value)
  reflection = record.class._reflect_on_association(attribute)
  if reflection
    return unless reflection.is_a?(ActiveEntity::Reflection::EmbeddedAssociationReflection)
    return unless reflection.collection?
  end

  indexed_attribute =
    if reflection
      reflection.options[:index_errors] || ActiveEntity::Base.index_nested_attribute_errors
    else
      options[:index_errors] || true
    end

  association_or_value =
    if reflection
      Array.wrap(association_or_value).reject(&:marked_for_destruction?)
    else
      Array.wrap(association_or_value)
    end

  return if association_or_value.size <= 1

  duplicate_records =
    if key.is_a? Symbol
      association_or_value.group_by(&key)
    elsif key.is_a? Array
      association_or_value.group_by { |r| key.map { |attr| r.send(attr) } }
    end
      .values
      .select { |v| v.size > 1 }
      .flatten

  return if duplicate_records.empty?

  duplicate_records.each do |r|
    if key.is_a? Symbol
      r.errors.add(key, :duplicated, **options)

      # Hack the record
      normalized_attribute = normalize_attribute(attribute, indexed_attribute, association_or_value.index(r), key)
      record.errors.import r.errors.where(key).first, attribute: normalized_attribute
    elsif key.is_a? Array
      key.each do |attr|
        r.errors.add(attr, :duplicated, **options)

        # Hack the record
        normalized_attribute = normalize_attribute(attribute, indexed_attribute, association_or_value.index(r), attr)
        record.errors.import r.errors.where(key).first, attribute: normalized_attribute
      end
    end
  end
end