westlakedesign/stripe_webhooks

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app/models/stripe_webhooks/event.rb

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module StripeWebhooks
  class Event < ActiveRecord::Base
    validates :stripe_event_id, presence: true, uniqueness: true
    has_many :performed_callbacks, primary_key: :stripe_event_id, foreign_key: :stripe_event_id

    def stripe_event
      if created_at < 30.days.ago
        Rails.logger.warn('The event you requested was created over 30 days ago,
                          which means it may no longer be available via the Stripe Events API.')
      end
      @_stripe_event ||= fetch_event
      return @_stripe_event
    end

    def validate!
      return true if is_authentic
      event = stripe_event()
      update_attributes(is_processed: true,
                        is_authentic: true,
                        stripe_event_type: event.type,
                        stripe_created_at: Time.zone.at(event.created).to_datetime)
      return true
    rescue Stripe::InvalidRequestError, Stripe::PermissionError
      update_attributes(is_processed: true, is_authentic: false)
      return false
    end

    def run_callbacks!
      StripeWebhooks::Callback.run_callbacks_for(stripe_event_type, stripe_event)
      return true
    end

    private

    def fetch_event
      if user_id
        Stripe::Event.retrieve(stripe_event_id, stripe_account: user_id)
      else
        Stripe::Event.retrieve(stripe_event_id)
      end
    end

  end
end