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require 'action_controller/railtie'
require 'api-pagination/hooks'
require 'ostruct'
module Rails
def self.application
@application ||= begin
routes = ActionDispatch::Routing::RouteSet.new
OpenStruct.new(:routes => routes, :env_config => {})
end
end
end
module ControllerExampleGroup
def self.included(base)
base.extend ClassMethods
base.send(:include, ActionController::TestCase::Behavior)
base.prepend_before do
@routes = Rails.application.routes
@controller = described_class.new
end
end
module ClassMethods
def setup(*methods)
methods.each do |method|
if method.to_s =~ /^setup_(fixtures|controller_request_and_response)$/
prepend_before { send method }
else
before { send method }
end
end
end
def teardown(*methods)
methods.each { |method| after { send method } }
end
end
end
Rails.application.routes.draw do
resources :numbers, :only => [:index] do
collection do
get :index_with_custom_render
get :index_with_no_per_page
get :index_with_paginate_array_options
end
end
end
class NumbersSerializer
def initialize(numbers)
@numbers = numbers
end
def to_json(options = {})
{ numbers: @numbers.map { |n| { number: n } } }.to_json
end
end
class NumbersController < ActionController::API
include Rails.application.routes.url_helpers
def index
total = params.fetch(:count).to_i
if params[:with_headers]
query = request.query_parameters.dup
query.delete(:with_headers)
headers['Link'] = %(<#{numbers_url}?#{query.to_param}>; rel="without")
end
paginate :json => (1..total).to_a, :per_page => 10
end
def index_with_custom_render
total = params.fetch(:count).to_i
numbers = (1..total).to_a
numbers = paginate numbers, :per_page => 10
render json: NumbersSerializer.new(numbers)
end
def index_with_no_per_page
total = params.fetch(:count).to_i
numbers = (1..total).to_a
numbers = paginate numbers
render json: NumbersSerializer.new(numbers)
end
def index_with_paginate_array_options
count = params.fetch(:count).to_i
total_count = params.fetch(:paginate_array_total_count).to_i
numbers = (1..count).to_a
numbers = paginate numbers, paginate_array_options: {total_count: total_count}
render json: NumbersSerializer.new(numbers)
end
end
ApiPagination::Railtie.initializers.each(&:run)
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