Class: ApiMaker::Preloader

Inherits:
Object
  • Object
show all
Defined in:
lib/api_maker/preloader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ability: nil, api_maker_args: nil, collection:, data:, key_path: [], locals:, preload_param:, model_class: nil, records:, select:, select_columns:) ⇒ Preloader

Returns a new instance of Preloader.



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# File 'lib/api_maker/preloader.rb', line 4

def initialize(
  ability: nil,
  api_maker_args: nil,
  collection:,
  data:,
  key_path: [],
  locals:,
  preload_param:,
  model_class: nil,
  records:,
  select:,
  select_columns:
)
  @ability = ability
  @api_maker_args = api_maker_args
  @collection = collection
  @data = data
  @key_path = key_path
  @locals = locals
  @preload_param = preload_param
  @model_class = model_class || @collection.model
  @records = records
  @select = select
  @select_columns = select_columns
end

Instance Attribute Details

#api_maker_args ⇒ Object (readonly)

Returns the value of attribute api_maker_args.



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# File 'lib/api_maker/preloader.rb', line 2

def api_maker_args
  @api_maker_args
end

#key_path ⇒ Object (readonly)

Returns the value of attribute key_path.



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# File 'lib/api_maker/preloader.rb', line 2

def key_path
  @key_path
end

#locals ⇒ Object (readonly)

Returns the value of attribute locals.



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# File 'lib/api_maker/preloader.rb', line 2

def locals
  @locals
end

#model_class ⇒ Object (readonly)

Returns the value of attribute model_class.



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# File 'lib/api_maker/preloader.rb', line 2

def model_class
  @model_class
end

#preload_param ⇒ Object (readonly)

Returns the value of attribute preload_param.



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# File 'lib/api_maker/preloader.rb', line 2

def preload_param
  @preload_param
end

Instance Method Details

#fill_data ⇒ Object

rubocop:disable Metrics/AbcSize



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# File 'lib/api_maker/preloader.rb', line 30

def fill_data # rubocop:disable Metrics/AbcSize
  parsed = ApiMaker::RelationshipPreloader.parse(preload_param)
  return unless parsed

  parsed.each do |key, value|
    next unless key

    key_path << key

    reflection = model_class.reflections[key]
    raise "Unknown reflection: #{@collection.model.name}##{key}" unless reflection

    fill_empty_relationships_for_key(reflection, key)
    preload_class = preload_class_for_key(reflection)

    Rails.logger.debug { "API maker: Preloading #{model_class}: #{key_path.join(".")}" }

    preload_result = ApiMaker::Configuration.profile(-> { "Preloading #{reflection.klass.name} with #{preload_class.name}" }) do
      preload_class
        .new(
          ability: @ability,
          api_maker_args: api_maker_args,
          collection: @collection,
          data: @data,
          locals: locals,
          records: @records,
          reflection: reflection,
          select: @select,
          select_columns: @select_columns
        )
        .preload
    end

    if value.blank? || preload_result.empty?
      key_path.pop
      next
    end

    ApiMaker::Preloader
      .new(
        ability: @ability,
        api_maker_args: api_maker_args,
        data: @data,
        collection: preload_result,
        key_path: key_path.dup,
        locals: locals,
        preload_param: value,
        model_class: reflection.klass,
        records: @data.fetch(:preloaded),
        select: @select,
        select_columns: @select_columns
      )
      .fill_data

    key_path.pop
  end
end