Module: ActionForm::SchemaDSL::ClassMethods

Defined in:
lib/action_form/schema_dsl.rb

Overview

rubocop:disable Style/Documentation

Instance Method Summary collapse

Instance Method Details

#create_params_definition(elements_definitions: elements) ⇒ Object

rubocop:disable Metrics/AbcSize, Metrics/MethodLength



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# File 'lib/action_form/schema_dsl.rb', line 38

def create_params_definition(elements_definitions: elements) # rubocop:disable Metrics/AbcSize, Metrics/MethodLength
  schema = Class.new(params_class)
  elements_definitions.each do |name, element_definition|
    if element_definition < ActionForm::SubformsCollection
      # nested forms are passed as a hash that looks like this:
      # { "0" => { "id" => "1" }, "1" => { "id" => "2" } }
      # it is coercing to an array of hashes:
      # [['0', { "id" => "1" }], ['1', { "id" => "2" }]]
      # we need to normalize it to an array of hashes:
      # [ { "id" => "1" }, { "
      # id" => "2" } ]
      schema.each(:"#{name}_attributes", element_definition.subform_definition.params_definition,
                  normalize: ->(value) { value.flatten.select { |v| v.is_a?(Hash) } },
                  default: element_definition.default)
    elsif element_definition < ActionForm::Subform
      schema.has(:"#{name}_attributes", element_definition.params_definition, default: element_definition.default)
    elsif element_definition < ActionForm::Element
      options = element_definition.output_options.dup
      method_name = options.delete(:type)
      schema.public_send(method_name, name, **options)
    end
  end
  patches = inherited_params_blocks + params_blocks
  patches.each do |block|
    schema = Class.new(schema, &block)
  end
  schema.form_class = self
  schema
end

#inherited_params_blocks ⇒ Object 



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# File 'lib/action_form/schema_dsl.rb', line 28

def inherited_params_blocks
  parent = superclass
  blocks = []
  while parent.respond_to?(:params_blocks)
    parent.params_blocks.each { |block| blocks.unshift(block) }
    parent = parent.superclass
  end
  blocks
end

#params(&block) ⇒ Object 



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# File 'lib/action_form/schema_dsl.rb', line 24

def params(&block)
  params_blocks << block if block
end

#params_blocks ⇒ Object 



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# File 'lib/action_form/schema_dsl.rb', line 20

def params_blocks
  @params_blocks ||= []
end

#params_class ⇒ Object 



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# File 'lib/action_form/schema_dsl.rb', line 12

def params_class
  ActionForm::Params
end

#params_definition ⇒ Object 



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# File 'lib/action_form/schema_dsl.rb', line 16

def params_definition
  @params_definition ||= create_params_definition
end