discourse-subscriptions/app/serializers/discourse_subscriptions/payment_serializer.rb

# frozen_string_literal: true

module DiscourseSubscriptions
  class PaymentSerializer < ApplicationSerializer
    attributes :payment_intent_id,
               :receipt_email,
               :url,
               :created_at_age,
               :amount,
               :amount_currency,
               :username,
               :user_id

    def created_at_age
      Time.now - object.created_at
    end

    def amount_currency
      ActiveSupport::NumberHelper.number_to_currency(
        object.amount / 100,
        precision: 2,
        unit: currency_unit,
      )
    end

    def username
      user&.username
    end

    private

    def user
      begin
        User.find(object.user_id)
      rescue StandardError
        nil
      end
    end

    def currency_unit
      case object.currency
      when "eur"
        "€"
      when "gbp"
        "£"
      when "inr"
        "₹"
      when "brl"
        "R$"
      when "dkk"
        "KR"
      when "sgd"
        "S$"
      else
        "$"
      end
    end
  end
end