service.rb

require 'sinatra'
require 'json'
require 'namey'
require 'curb'

get '/catit' do
  content_type :html

  if params['image'] == 'true'
    curl = Curl::Easy.http_get 'http://thecatapi.com/api/images/get?format=src&type=jpg' do |curl|
      curl.follow_location = true
    end
  else
    curl = Curl::Easy.http_get 'http://thecatapi.com/api/images/get?format=src&type=gif' do |curl|
      curl.follow_location = true
    end
  end

  return "<img src='#{curl.last_effective_url}'>"
end

get '/recommendations' do

  content_type :json

  if params['product_name']
    status 200

    case params['product_name']
    when 'dildo'
      { products: ['leather jacket', 'drill', 'viagra'] }.to_json
    when 'yoga mat'
      { products: ['tera band', 'yoga block'] }.to_json
    else
      { products: ['Yoga Mat', 'Guns', 'Socks', 'Dildos'] }.to_json
    end

  else
    status 200
    { products: ['Yoga Mat', 'Guns', 'Socks', 'Dildos'] }.to_json
  end
end

get '/random_names.json' do
  content_type :json

  status 200

  if params['count']
    status 200

    names = []

    params['count'].to_i.times do
      names << Namey::Generator.new.name
    end

    names.to_json
  else
    status 422
    { msg: 'Please provide the parameter "count"' }.to_json
  end
end