scraper.rb

require 'mechanize'

# Adiciona items ao array
def addItem(item, items, category)
  image = item.at('img').attr('src')
  name = item.at('h2').text.strip
  rarity = item.at('.rlg-items-item-rarity').text.strip
  items << { name: name, category: category.to_s, rarity: rarity, image: 'https://rocket-league.com'+image }
end

# Adiciona decals ao array
def addItemDecals(item, items, category)
  image = item.at('img').attr('src')
  name = item.at('h2').text.strip
  rarity = nil
  items << { name: name, category: category.to_s, rarity: rarity, image: 'https://rocket-league.com'+image }
end

# categorias e respectivos links
categories = {trails:'https://rocket-league.com/items/boosts', toppers:'https://rocket-league.com/items/toppers',
              bodies:'https://rocket-league.com/items/bodies', antennas:'https://rocket-league.com/items/antennas',
              wheels:'https://rocket-league.com/items/wheels', decals:'https://rocket-league.com/items/decals'}
agent = Mechanize.new
agent.agent.http.verify_mode = OpenSSL::SSL::VERIFY_NONE # OPENSSL BUGADO NO WINDOWS, TIVE QUE TIRAR O CHECK
items = []

categories.each do |key, value|
  page = agent.get(value)
  if key == :decals
    #decals não tem rarity, funcao especial para ele
    page.search('.rlg-items-item').each do |item|
      addItemDecals(item, items, key)
    end
  else
    page.search('.rlg-items-item').each do |item|
      addItem(item, items, key)
    end
  end
end