Jorge Manrubia
80 lines
2.9 KiB
Ruby
80 lines
2.9 KiB
Ruby
class Stripe::WebhooksController < ApplicationController
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allow_unauthenticated_access
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skip_before_action :require_account
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skip_before_action :verify_authenticity_token
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def create
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event = verify_webhook_signature
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return head :bad_request unless event
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dispatch_stripe_event(event)
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head :ok
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end
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private
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def dispatch_stripe_event(event)
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case event.type
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when "checkout.session.completed"
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sync_new_subscription(event.data.object.subscription, plan_key: event.data.object.metadata["plan_key"]) if event.data.object.mode == "subscription"
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when "customer.subscription.updated", "customer.subscription.deleted"
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sync_subscription(event.data.object.id)
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end
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end
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def verify_webhook_signature
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payload = request.body.read
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sig_header = request.env["HTTP_STRIPE_SIGNATURE"]
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Stripe::Webhook.construct_event(payload, sig_header, ENV["STRIPE_WEBHOOK_SECRET"])
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rescue Stripe::SignatureVerificationError => e
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Rails.logger.error "Stripe webhook signature verification failed: #{e.message}"
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nil
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end
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def sync_new_subscription(stripe_subscription_id, plan_key:)
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sync_subscription(stripe_subscription_id) do |subscription_properties|
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subscription_properties[:plan_key] = plan_key if plan_key
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end
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end
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# Always fetch fresh subscription data from Stripe to handle out-of-order
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# event delivery. Not relying on payload data.
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def sync_subscription(stripe_subscription_id)
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stripe_subscription = Stripe::Subscription.retrieve(stripe_subscription_id)
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if subscription = find_subscription_by_stripe_customer(stripe_subscription.customer)
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subscription_properties = {
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stripe_subscription_id: stripe_subscription.id,
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status: stripe_subscription.status,
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current_period_end: current_period_end_for(stripe_subscription),
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cancel_at: stripe_subscription.cancel_at ? Time.at(stripe_subscription.cancel_at) : nil,
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next_amount_due_in_cents: next_amount_due_for(stripe_subscription)
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}
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yield subscription_properties if block_given?
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subscription_properties[:stripe_subscription_id] = nil if stripe_subscription.status == "canceled"
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subscription.update!(subscription_properties)
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end
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end
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def find_subscription_by_stripe_customer(id)
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Account::Subscription.find_by(stripe_customer_id: id)
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end
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def current_period_end_for(stripe_subscription)
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timestamp = stripe_subscription.items.data.first&.current_period_end
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Time.at(timestamp) if timestamp
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end
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def next_amount_due_for(stripe_subscription)
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return nil if stripe_subscription.status == "canceled"
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preview = Stripe::Invoice.create_preview(customer: stripe_subscription.customer, subscription: stripe_subscription.id)
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preview.amount_due
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rescue Stripe::InvalidRequestError
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nil
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end
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end
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