Merge pull request #146 from azul/refactor/engines

Refactor/engines

1 files changed, 51 insertions, 0 deletions

diff --git a/engines/billing/app/helpers/billing_helper.rb b/engines/billing/app/helpers/billing_helper.rb
new file mode 100644
index 0000000..b9e5e2e
--- /dev/null
+++ b/engines/billing/app/helpers/billing_helper.rb
@@ -0,0 +1,51 @@
+module BillingHelper
+
+  def braintree_form_for(object, options = {}, &block)
+    options.reverse_merge! params: @result && @result.params[object],
+      errors: @result && @result.errors.for(object),
+      builder: BraintreeFormHelper::BraintreeFormBuilder,
+      url: Braintree::TransparentRedirect.url
+
+    form_for object, options, &block
+  end
+
+  def billing_top_link(user)
+    # for admins, top link will show special admin information, which has link to show their own customer information
+    if (admin? and user == current_user)
+      billing_admin_path
+    else
+      show_or_new_customer_link(user)
+    end
+  end
+
+  def show_or_new_customer_link(user)
+    # Link to show if user is admin viewing another user, or user is already a customer.
+    # Otherwise link to create a new customer.
+    if (admin? and (user != current_user)) or ((customer = Customer.find_by_user_id(user.id)) and customer.has_payment_info?)
+      show_customer_path(user)
+    else
+      new_customer_path
+    end
+  end
+
+  # a bit strange to put here, but we don't have a subscription model
+  def user_for_subscription(subscription)
+
+    if (transaction = subscription.transactions.first)
+      # much quicker, but will only work if there is already a transaction associated with subscription (should generally be)
+      braintree_customer_id = transaction.customer_details.id
+    else
+      credit_card = Braintree::CreditCard.find(subscription.payment_method_token)
+      braintree_customer_id = credit_card.customer_id
+    end
+
+    customer = Customer.find_by_braintree_customer_id(braintree_customer_id)
+    user = User.find(customer.user_id)
+
+  end
+
+  def allow_cancel_subscription(subscription)
+    ['Active', 'Pending'].include? subscription.status or (admin? and subscription.status == 'Past Due')
+  end
+
+end