Module: Fields::Serializer::ActiveRecord::Errors

Included in:
Fields::Serializer::ActiveRecord
Defined in:
lib/fields/serializer/active_record/errors.rb

Instance Method Summary collapse

Instance Method Details

#deep_errors(*association_keys) ⇒ Object

Return a hash with errors of the model merged with errors of the given associated models.

{
  name: ["can't be blank"],
  age:  ["must be greater than 18"],
  cars: {
    "xxx-xxxxxxxx-xxx-xxxxxx" => {
      make: ["can't be blank"],
      type: ["can't be blank"]
    },
    "0" => {
      make: ["can't be blank"],
      year: ["must be greater than 1800"]
    }
    "1" => {
      year: ["must be greater than 1800"]
    }
  }
}

where "xxx-xxxxxxxx-xxx-xxxxxx" is the id of an associated model and
      an incremental integer id is given to those associated models with empty id.
      Similar to ActiveRecord nested attributes notation.



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# File 'lib/fields/serializer/active_record/errors.rb', line 29

def deep_errors(*association_keys)
  association_keys.inject(errors.to_h) do |error_tree, association_key|
    associate = send(association_key)
    next(error_tree) unless associate
    associate = associate.to_a if self.class.reflections[association_key.to_s].collection?
    error_tree.merge!(association_key => __associate_errors(associate))
  end
end