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StripeModelCallbacks

Stripe database models using ActiveRecord, Stripe event webhooks synchronization and PublicActivity.

This is supposed to make it easier implementing a full blown Stripe implementation into your application, so that you can code your app using ActiveRecord and all your favorite gems without having to mess around with webhooks, custom and complicated tests and more.

The purpose is that the complicated webhook stuff is done by this gem, and you can trust our tests to work, so you dont have to write those thousand of lines yourself.

Installation

Add this line to your application's Gemfile:

gem 'stripe_model_callbacks'

And then execute:

bundle

You also need to install and setup the gems public_activity, stripe and stripe_event. Do this:

Install the migration for Public Activity, which will provide logging:

rails g public_activity:migration

You can install the migrations (or update an existing installation) with this command:

rails stripe_model_callbacks:install:migrations

Do something like this in config/routes.rb:

Rails.application.routes.draw do
  mount StripeEvent::Engine => "/stripe-events"
end

Do something like this in config/initializers/stripe.rb:

Stripe.api_key = ENV.fetch("STRIPE_PUBLIC_KEY")
StripeEvent.signing_secret = ENV.fetch("STRIPE_SIGNING_KEY")

Rails.configuration.stripe = {
  publishable_key: ENV.fetch("STRIPE_PUBLIC_KEY"),
  secret_key: ENV.fetch("STRIPE_SECRET_KEY")
}

StripeEvent.configure do |events|
  StripeModelCallbacks::ConfigureService.execute!(events: events)
end

Add the migrations for the Stripe models to your project like this:

rake stripe_model_callbacks:install:migrations

You should set up your Stripe account to post events to your website using a URL that looks something like this: https://www.yourdomain.com/stripe-events.

Your application should now receive event webhooks from Stripe and then create, update, mark as deleted, log and more automatically using the ActiveRecord models.

You can use a service like Ultrahook to set up a proxy for your local development machine to test against.

Report errors

StripeModelCallbacks.configure do |config|
  config.on_error do |args:, error:|
    PeakFlowUtils::Notifier.notify(error: error)
  end
end

Usage

Queries with ActiveRecord

To see a list of transfers, you can do something like this, as you would with any given model:

StripeTransfer.where("stripe_transfers.created > ?", Time.zone.now.beginning_of_month)

You can inspect the tables and see which tables and columns that are available. Most of it alligns with the attributes mentioned in Stripe's own API.

Updating on Stripe

You can update the data on Stripe like this:

stripe_subscription = StripeSubscription.find(id)
stripe_subscription.update_on_stripe!(tax_percent: 10)

Create a record from a Stripe object

object = Stripe::Subscription.retrieve(id)
stripe_subscription = StripeSubscription.create_from_stripe!(object)

Sync data from Stripe:

stripe_subscription = StripeSubscription.find(id)
stripe_subscription.reload_from_stripe!

Delete on Stripe:

stripe_subscription = StripeSubscription.find(id)
stripe_subscription.destroy_on_stripe!

Convert model to a Stripe object:

stripe_subscription = StripeSubscription.find(id)
stripe_subscription.to_stripe.delete(at_period_end: true)

# We should probably reload so the model reflect that change instantly (else it should receive it through a sync event in a short while)
stripe_subscription.reload_from_stripe!

Testing

Factories

If you need some FactoryBot factories, then you can do like this in spec/rails_helper.rb:

require "stripe_model_callbacks/factory_bot_definitions"

You can take a look at the factories here: https://github.com/kaspernj/stripe_model_callbacks/tree/master/spec/factories

Mock events

You can mock Stripe events by using the helper method mock_stripe_event by including this helper:

RSpec.configure do |config|
  config.include StripeModelCallbacks::EventMocker
end

You can find all the events you can mock here: https://github.com/kaspernj/stripe_model_callbacks/tree/master/spec/fixtures/stripe_events

You can mock the events by their file name like this:

mock_stripe_event("charge.refunded")

You can change the data of the event like this:

mock_stripe_event("invoice.created", data: {object: {discount: {"customer": "cus_CLI9d5IHGcdWBY"}}})

Contributing

Contribution directions go here.

Database schema changes

  1. Add migration to /db/migrate: rails g migration AddStripeIdUniqToStripeInvoices
  2. Go to directory: spec/dummy
  3. Run rails stripe_model_callbacks:install:migrations to copy missing migrations
  4. Run rails db:migrate to apply schema changes

License

The gem is available as open source under the terms of the MIT License.

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