lib/grape/formatters/active_model_serializers.rb
# frozen_string_literal: true
# A Grape response formatter that can be used as 'formatter :json, Grape::Formatters::ActiveModelSerializers'
#
# Serializer options can be passed as a hash from your Grape endpoint using env[:active_model_serializer_options],
# or better yet user the render helper in Grape::Helpers::ActiveModelSerializers
require 'active_model_serializers/serialization_context'
module Grape
module Formatters
module ActiveModelSerializers
def self.call(resource, env)
serializer_options = build_serializer_options(env)
::ActiveModelSerializers::SerializableResource.new(resource, serializer_options).to_json
end
def self.build_serializer_options(env)
ams_options = env[:active_model_serializer_options] || {}
# Add serialization context
ams_options.fetch(:serialization_context) do
request = env['grape.request']
ams_options[:serialization_context] = ::ActiveModelSerializers::SerializationContext.new(
request_url: request.url[/\A[^?]+/],
query_parameters: request.params
)
end
ams_options
end
end
end
end