Created
February 21, 2018 19:00
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fast_jsonapi formatter for Grape
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| module Grape | |
| module Formatter | |
| module FastJsonapi | |
| class << self | |
| def call(object, _env) | |
| return object if object.is_a?(String) | |
| return ::Grape::Json.dump(serialize(object)) if serializable?(object) | |
| return object.to_json if object.respond_to?(:to_json) | |
| ::Grape::Json.dump(object) | |
| end | |
| private | |
| def serializable?(object) | |
| object.respond_to?(:serializable_hash) || object.respond_to?(:to_a) && object.all? { |o| o.respond_to? :serializable_hash } || object.is_a?(Hash) | |
| end | |
| def serialize(object) | |
| if object.respond_to? :serializable_hash | |
| serializable_object(object).serializable_hash | |
| elsif object.respond_to?(:to_a) && object.all? { |o| o.respond_to? :serializable_hash } | |
| fast_jsonapi_serializable(object).serializable_hash || object.map(&:serializable_hash) | |
| elsif object.is_a?(Hash) | |
| h = {} | |
| object.each_pair do |k, v| | |
| h[k] = serialize(v) | |
| end | |
| h | |
| else | |
| object | |
| end | |
| end | |
| def serializable_object(object) | |
| fast_jsonapi_serializable(object) || object | |
| end | |
| def fast_jsonapi_serializable(object) | |
| serializable_class(object)&.new(object) | |
| end | |
| def serializable_class(object) | |
| (object.model_name.name + 'Serializer').safe_constantize | |
| end | |
| end | |
| end | |
| end | |
| end |
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