Quem trouxe, quem trouxe.

pingodoce.rb

require 'net/http'
require 'json'

Encoding.default_external = 'UTF-8'
query = params['query'] || 'banana'
page = (params['page'] || 0).to_i
from = page * 100

uri = URI('https://mercadao.pt/api/catalogues/6107d28d72939a003ff6bf51/products/search')
uri.query = URI.encode_www_form({
  query: query,
  from: "#{from}",
  size: "100",
  esPreference: "0.03859005288751671",
})

res = Net::HTTP.get_response(uri)

if res.is_a?(Net::HTTPSuccess)
  data = JSON.parse(res.body)

  search_items = data.dig("sections", query, "products")
                      &.map { |product| product.dig("_source") }
                      &.compact
                      &.map do |product|
    title = product.dig("firstName")
    price = "#{product.dig("buyingPrice")&.round(2)} €"
    price_kg = product.dig("capacity") == "0" ? "un" : nil
    img_url = "https://res.cloudinary.com/fonte-online/image/upload/c_fill,h_300,q_auto,w_300/v1/PDO_PROD/#{product.dig("sku")}_1"
    brand = product.dig("brand", "name")
    quantity = product.dig("capacity") || ""
    destiny_url = product.dig("firstName") || ""
    supermarket = "Mercadão"

    {
      title: title,
      price: price,
      price_kg: price_kg,
      unit: "",
      img_url: img_url,
      brand: brand,
      quantity: quantity,
      destiny_url: destiny_url,
      supermarket: supermarket
    }
  end

  result = {
    query: query,
    page: page,
    total_items: search_items&.size,
    search_items: search_items,
    url: uri.to_s
  }
else
  puts "HTTP error: #{res.code}"
end