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require 'jsonapi/include_directive'
require 'jsonapi/renderer/resources_processor'
module JSONAPI
class Renderer
class Document
def initialize(params = {})
@data = params.fetch(:data, :no_data)
@errors = params.fetch(:errors, [])
@meta = params[:meta]
@links = params[:links] || {}
@fields = _symbolize_fields(params[:fields] || {})
@jsonapi = params[:jsonapi]
@include = JSONAPI::IncludeDirective.new(params[:include] || {})
end
def to_hash
@hash ||= document_hash
end
alias to_h to_hash
private
def document_hash
{}.tap do |hash|
if @data != :no_data
hash.merge!(data_hash)
elsif @errors.any?
hash.merge!(errors_hash)
end
hash[:links] = @links if @links.any?
hash[:meta] = @meta unless @meta.nil?
hash[:jsonapi] = @jsonapi unless @jsonapi.nil?
end
end
def data_hash
primary, included =
ResourcesProcessor.new(Array(@data), @include, @fields).process
{}.tap do |hash|
hash[:data] = @data.respond_to?(:to_ary) ? primary : primary[0]
hash[:included] = included if included.any?
end
end
def errors_hash
{}.tap do |hash|
hash[:errors] = @errors.map(&:as_jsonapi)
end
end
def _symbolize_fields(fields)
fields.each_with_object({}) do |(k, v), h|
h[k.to_sym] = v.map(&:to_sym)
end
end
end
end
end
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