Module: Moon::DataModel::Fields

Includes:
InstanceMethods
Included in:
Metal
Defined in:
lib/data_model/fields.rb,
lib/data_model/fields/modelling.rb,
lib/data_model/fields/class_methods.rb,
lib/data_model/fields/model_coercion.rb,
lib/data_model/fields/instance_methods.rb

Overview

The backbone of DataModel's overall system

Defined Under Namespace

Modules: ClassMethods, InstanceMethods, ModelCoercion, Modelling

Class Method Summary collapse

Methods included from InstanceMethods

#[], #[]=, #assoc, #each_field, #each_field_name, #each_field_with_value, #each_pair, #each_value, #field_get, #field_set, #field_set!, #fields=, #fields_hash, #initialize_fields, #invalid?, #post_initialize_fields, #pre_initialize_fields, #reset_field, #reset_fields, #update_fields, #update_fields!, #valid?, #validate, #validate_fields?

Class Method Details

.adjust_field_options(klass, options) ⇒ Hash

Patches the provided options hash.

Parameters:

  • options (Hash)

Returns:

  • (Hash)

    same one given


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# File 'lib/data_model/fields.rb', line 12

def self.adjust_field_options(klass, options)
  # set the class default settings
  klass.each_field_setting do |key, value|
    options[key] = value
  end

  # if the default value is set to nil, and allow_nil hasn't already
  # been set, then the field is allowed to be nil.
  if options.key?(:default) && options[:default].nil?
    options[:allow_nil] = true unless options.key?(:allow_nil)
  end

  # if default value was not set, but the field allows nil,
  # then the default value is nil
  if !options.key?(:default) && options[:allow_nil]
    options[:default] = nil
  end

  # if no type was given, assume it allows anything, therefore Object
  unless options.key?(:type)
    options[:type] = ::Object
  end

  unless (obj = options[:default]).is_a?(Proc)
    options[:default] = ->(_, _) { obj.maybe_dup }
  end

  options
end

.included(mod) ⇒ Object

Parameters:

  • mod (Module)

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# File 'lib/data_model/fields.rb', line 45

def self.included(mod)
  mod.extend         ClassMethods
end