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/**
 * Calls provided HTTP requests batch and retries in case of errors
 *
 * @param {object} fetchService - service for performing HTTP requests. Defaults to UrlFetchApp provided by Google.
 * @param {Array<object>} requests - Array of request param objects
 *  (https://developers.google.com/apps-script/reference/url-fetch/url-fetch-app#fetchurl-params)
 *
 * @return {object} RetriableRequestsBatch.
 */
function RetriableRequestsBatch(fetchService, requests) {

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class Loader
  def load
    Enumerator.new { |main_enum| stream(main_enum) }
  end

  private

  def stream(main_enum)
    reader = nil
    file_uri.open do |file|

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# Javascript Node CircleCI 2.0 configuration file
#
# Check https://circleci.com/docs/2.0/language-javascript/ for more details
#
version: 2
jobs:
  build:
    docker:
      - image: circleci/node:7.10

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var oauth = {};

/** @const */
oauth.OAUTH_CLIENT_ID = 'OAUTH_CLIENT_ID';

/** @const */
oauth.OAUTH_CLIENT_SECRET = 'OAUTH_CLIENT_SECRET';

/**
 * This builds an OAuth2 service for connecting to Spotify

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/**
 * Constructor for DataCache.
 * More info on caching: https://developers.google.com/apps-script/reference/cache/cache
 *
 * @param {object} cacheService - GDS caching service
 * @param {Date} startDate - beggining of GDS request interval
 * @param {Date} endDate - end of GDS request interval
 *
 * @return {object} DataCache.
 */

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# frozen_string_literal: true

require "net/ftp"

class Loader
  def load
    Enumerator.new { |main_enum| stream(main_enum) }
  end

  private

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class BaseApiController
  def render_json_api(options)
    render(
      options.merge(included).merge(fields: fields).merge(adapter: :json_api)
    )
  end

  # Allows limiting fields in given resource type's payloads.
  # `fields` param is sent as a hash in which:
  # - keys are singular or plural resource names (e.g. `accounts` or `account`)

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class BaseSerializer < ActiveModel::Serializer
  include AmsLazyRelationships::Core
end

class PostSerializer < BaseSerializer
  attributes :id, :title

  lazy_belongs_to :user
end

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class PostSerializer < ActiveModel::Serializer  
  attributes :id, :title

  belongs_to :user

  def self.lazy_user(post)
    BatchLoader.for(post.user_id).batch do |user_ids|
      User.where(id: user_ids)
    end
  end

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users = posts.map { |post| post.user_lazy }

users.each { |user| puts "#{user.name}" } # SELECT * FROM users WHERE id IN (1, 2, 3)
users.each { |user| puts "#{user.address}" } # Pobierze użytkowników z cache'u