saucy/app/lib/if_then_pay.rb

require 'net/http'

module IfThenPay
  def self.generate_gateway_link(id:, amount:, description:)
    response = Net::HTTP.post(
      URI("https://ifthenpay.com/api/gateway/paybylink/#{ENV['IFTHENPAY_KEY']}"),
      JSON.generate({
        id: id,
        amount: amount.to_s,
        description: description.to_s,
        "lang": "pt",
        "expiredate": "",
        "accounts": ENV['IFTHENPAY_ACCOUNTS'],
      })
    )

    JSON.parse(response.body)
  end

  def self.payments(date)
    end_date = (Time.parse(date) + 1).strftime("%d-%m-%Y %H:%M:%S")
    URI("https://ifthenpay.com/ifmbws/ifmbws.asmx/getPaymentsJson?chavebackoffice=#{ENV['IFTHENPAY_BO_KEY']}&entidade=&subentidade=&dtHrInicio=#{date}&dtHrFim=#{end_date}&referencia=&valor=&sandbox=0")
      .then{|u| Net::HTTP.get(u)}
      .then{|b| Nokogiri::XML(b).child.child.text}
      .then{|x| JSON.parse(x)}
  end

  def self.multibanco_account
    ENV['IFTHENPAY_ACCOUNTS']
      .split(";")
      .map { |acc| acc.split("|").first }
      .find { |acc| acc.match?(/^\d+$/) }
  end
end