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Versions: 5
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Contents
# frozen_string_literal: true
class Serega
module SeregaPlugins
#
# Plugin that checks used plugins and loads correct Preloader for selected response type
# @see Serega::SeregaPlugins::JsonApiActiverecordPreloader
# @see Serega::SeregaPlugins::SimpleApiActiverecordPreloader
#
module ActiverecordPreloads
# @return [Symbol] plugin name
def self.plugin_name
:activerecord_preloads
end
def self.before_load_plugin(serializer_class, **opts)
if serializer_class.plugin_used?(:batch)
raise SeregaError, "Plugin `activerecord_preloads` must be loaded before `batch`"
end
serializer_class.plugin(:preloads, **opts) unless serializer_class.plugin_used?(:preloads)
end
#
# Loads plugin code and additional plugins
#
# @param serializer_class [Class<Serega>] Current serializer class
# @param opts [Hash] loaded plugins opts
#
# @return [void]
#
def self.load_plugin(serializer_class, **opts)
require_relative "./lib/preloader"
serializer_class.include(InstanceMethods)
end
# Overrides Serega classes instance methods
module InstanceMethods
#
# Override original #to_h method
# @see Serega#to_h
#
def to_h(object, *)
object = add_preloads(object)
super
end
private
def add_preloads(obj)
return obj if obj.nil? || (obj.is_a?(Array) && obj.empty?)
# preloads() method comes from :preloads plugin
preloads = preloads()
return obj if preloads.empty?
Preloader.preload(obj, preloads)
end
end
end
register_plugin(ActiverecordPreloads.plugin_name, ActiverecordPreloads)
end
end
Version data entries
5 entries across 5 versions & 1 rubygems