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Contents
# frozen_string_literal: true
require 'active_model/conversion'
module Blacklight::Document
module Attributes
extend ActiveSupport::Concern
included do
class_attribute :attribute_types, instance_accessor: false
self.attribute_types = Hash.new(Blacklight::Types::Value)
end
class_methods do
# Define an attribute reader on a document model
# @param [Symbol] name the name of the attribute to define
# @param [Symbol, Class] type the type of the attribute to define
# @param [String] field the name of the document's field to use for this attribute
# @param [any, Proc] default the default value for the attribute
# @example
# class SolrDocument
# include Blacklight::Solr::Document
# attribute :title, :string, 'title_tesim'
#
# Deprecated syntax:
# attribute :title, Blacklight::Types::String, 'title_tesim'
# end
#
# doc = SolrDocument.new(title_tesim: ["One flew over the cuckoo's nest"])
# doc.title
# #=> "One flew over the cuckoo's nest"
def attribute(name, type = :value, deprecated_field = name, field: nil, default: nil, **kwargs)
field ||= deprecated_field
define_method name do
if type.respond_to?(:coerce) && !(type < Blacklight::Types::Value)
# deprecated behavior using a bespoke api
type.coerce(fetch(field, default))
else
# newer behavior better aligned with ActiveModel::Type
instance = Blacklight::Types.lookup(type, **kwargs) if type.is_a? Symbol
instance ||= type.new(**kwargs)
instance.cast(fetch(field, default))
end
end
end
end
end
end
Version data entries
31 entries across 30 versions & 2 rubygems