Class: Pay::Braintree::Billable

Inherits:
Object
  • Object
show all
Defined in:
lib/pay/braintree/billable.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pay_customer) ⇒ Billable

Returns a new instance of Billable.



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# File 'lib/pay/braintree/billable.rb', line 14

def initialize(pay_customer)
  @pay_customer = pay_customer
end

Instance Attribute Details

#pay_customer ⇒ Object (readonly)

Returns the value of attribute pay_customer.



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# File 'lib/pay/braintree/billable.rb', line 4

def pay_customer
  @pay_customer
end

Instance Method Details

#add_payment_method(token, default: false) ⇒ Object 



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# File 'lib/pay/braintree/billable.rb', line 132

def add_payment_method(token, default: false)
  customer unless processor_id?

  result = gateway.payment_method.create(
    customer_id: processor_id,
    payment_method_nonce: token,
    options: {
      make_default: default,
      verify_card: true
    }
  )
  raise Pay::Braintree::Error, result unless result.success?

  pay_payment_method = save_payment_method(result.payment_method, default: default)

  # Update existing subscriptions to the new payment method
  pay_customer.subscriptions.each do |subscription|
    if subscription.active?
      gateway.subscription.update(subscription.processor_id, {payment_method_token: token})
    end
  end

  pay_payment_method
rescue ::Braintree::AuthorizationError => e
  raise Pay::Braintree::AuthorizationError, e
rescue ::Braintree::BraintreeError => e
  raise Pay::Braintree::Error, e
end

#card_details_for_braintree_transaction(transaction) ⇒ Object 



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# File 'lib/pay/braintree/billable.rb', line 252

def card_details_for_braintree_transaction(transaction)
  case transaction.payment_instrument_type
  when "android_pay_card", "apple_pay_card", "credit_card", "google_pay_card", "samsung_pay_card", "visa_checkout_card"
    # Lookup the attribute with the payment method details by name
    attribute_name = transaction.payment_instrument_type

    # The attribute name for Apple and Google Pay don't include _card for some reason
    if ["apple_pay_card", "google_pay_card"].include?(transaction.payment_instrument_type)
      attribute_name = attribute_name.split("_card").first

    # Android Pay was renamed to Google Pay, but test nonces still use android_pay_card
    elsif attribute_name == "android_pay_card"
      attribute_name = "google_pay"
    end

    # Retrieve payment method details from transaction
    payment_method = transaction.send(:"#{attribute_name}_details")

    {
      payment_method_type: :card,
      brand: payment_method.card_type,
      last4: payment_method.last_4,
      exp_month: payment_method.expiration_month,
      exp_year: payment_method.expiration_year
    }

  when "paypal_account"
    {
      payment_method_type: :paypal,
      brand: "PayPal",
      email: transaction.paypal_details.payer_email,
      last4: transaction.paypal_details.payer_email,
      exp_month: nil,
      exp_year: nil
    }

  when "venmo_account"
    {
      payment_method_type: :venmo,
      brand: "Venmo",
      username: transaction..username,
      last4: transaction..username,
      exp_month: nil,
      exp_year: nil
    }

  else
    {payment_method_type: "unknown"}
  end
end

#charge(amount, options = {}) ⇒ Object 



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# File 'lib/pay/braintree/billable.rb', line 75

def charge(amount, options = {})
  args = {
    amount: amount.to_i / 100.0,
    customer_id: customer.id,
    options: {submit_for_settlement: true},
    custom_fields: options.delete(:metadata)
  }.merge(options)

  result = gateway.transaction.sale(args)
  raise Pay::Braintree::Error, result unless result.success?

  save_transaction(result.transaction)
rescue ::Braintree::AuthorizationError => e
  raise Pay::Braintree::AuthorizationError, e
rescue ::Braintree::BraintreeError => e
  raise Pay::Braintree::Error, e
end

#customer ⇒ Object

Retrieve the Braintree::Customer object

  • If no processor_id is present, creates a Customer.

  • When ‘payment_method_token’ is present, it will also set the default payment method



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# File 'lib/pay/braintree/billable.rb', line 40

def customer
  if processor_id?
    customer = gateway.customer.find(processor_id)

    if payment_method_token?
      add_payment_method(payment_method_token, default: true)
      pay_customer.payment_method_token = nil
    end

    customer
  else
    result = gateway.customer.create(customer_attributes.merge(payment_method_nonce: payment_method_token))
    raise Pay::Braintree::Error, result unless result.success?
    pay_customer.update!(processor_id: result.customer.id)

    if payment_method_token?
      save_payment_method(result.customer.payment_methods.last, default: true)
      pay_customer.payment_method_token = nil
    end

    result.customer
  end
rescue ::Braintree::AuthorizationError => e
  raise Pay::Braintree::AuthorizationError, e
rescue ::Braintree::BraintreeError => e
  raise Pay::Braintree::Error, e
end

#customer_attributes ⇒ Object

Returns a hash of attributes for the Stripe::Customer object



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# File 'lib/pay/braintree/billable.rb', line 19

def customer_attributes
  owner = pay_customer.owner

  attributes = case owner.class.pay_braintree_customer_attributes
  when Symbol
    owner.send(owner.class.pay_braintree_customer_attributes, pay_customer)
  when Proc
    owner.class.pay_braintree_customer_attributes.call(pay_customer)
  end

  # Guard against attributes being returned nil
  attributes ||= {}

  first_name, last_name = customer_name.split(" ", 2)
  {email: email, first_name: first_name, last_name: last_name}.merge(attributes)
end

#gateway ⇒ Object 



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# File 'lib/pay/braintree/billable.rb', line 195

def gateway
  Pay.braintree_gateway
end

#processor_subscription(subscription_id, options = {}) ⇒ Object 



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# File 'lib/pay/braintree/billable.rb', line 167

def processor_subscription(subscription_id, options = {})
  gateway.subscription.find(subscription_id)
end

#save_payment_method(payment_method, default:) ⇒ Object 



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# File 'lib/pay/braintree/billable.rb', line 199

def save_payment_method(payment_method, default:)
  attributes = case payment_method
  when ::Braintree::CreditCard, ::Braintree::ApplePayCard, ::Braintree::GooglePayCard, ::Braintree::SamsungPayCard, ::Braintree::VisaCheckoutCard
    {
      payment_method_type: :card,
      brand: payment_method.card_type,
      last4: payment_method.last_4,
      exp_month: payment_method.expiration_month,
      exp_year: payment_method.expiration_year
    }

  when ::Braintree::PayPalAccount
    {
      payment_method_type: :paypal,
      brand: "PayPal",
      email: payment_method.email
    }
  when ::Braintree::VenmoAccount
    {
      payment_method_type: :venmo,
      brand: "Venmo",
      username: payment_method.username
    }
  when ::Braintree::UsBankAccount
    {
      payment_method_type: "us_bank_account",
      bank: payment_method.bank_name,
      last4: payment_method.last_4
    }
  else
    {
      payment_method_type: payment_method.class.name.demodulize.underscore,
      brand: payment_method.try(:card_type),
      last4: payment_method.try(:last_4),
      exp_month: payment_method.try(:expiration_month),
      exp_year: payment_method.try(:expiration_year),
      bank: payment_method.try(:bank_name),
      username: payment_method.try(:username),
      email: payment_method.try(:email)
    }
  end

  pay_payment_method = pay_customer.payment_methods.where(processor_id: payment_method.token).first_or_initialize

  pay_customer.payment_methods.update_all(default: false) if default
  pay_payment_method.update!(attributes.merge(default: default))

  # Reload the Rails association
  pay_customer.reload_default_payment_method if default

  pay_payment_method
end

#save_transaction(transaction) ⇒ Object 



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# File 'lib/pay/braintree/billable.rb', line 171

def save_transaction(transaction)
  attrs = card_details_for_braintree_transaction(transaction)
  attrs[:amount] = transaction.amount.to_f * 100
  attrs[:metadata] = transaction.custom_fields
  attrs[:currency] = transaction.currency_iso_code
  attrs[:application_fee_amount] = transaction.service_fee_amount
  attrs[:created_at] = transaction.created_at

  # Associate charge with subscription if we can
  if transaction.subscription_id
    pay_subscription = pay_customer.subscriptions.find_by(processor_id: transaction.subscription_id)
    pay_subscription ||= Pay::Braintree::Subscription.sync(transaction.subscription_id)

    if pay_subscription
      attrs[:subscription] = pay_subscription
      attrs[:metadata] = pay_subscription.metadata
    end
  end

  charge = pay_customer.charges.find_or_initialize_by(processor_id: transaction.id)
  charge.update!(attrs)
  charge
end

#subscribe(name: Pay.default_product_name, plan: Pay.default_plan_name, **options) ⇒ Object 



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# File 'lib/pay/braintree/billable.rb', line 93

def subscribe(name: Pay.default_product_name, plan: Pay.default_plan_name, **options)
  token = customer.payment_methods.find(&:default?).try(:token)
  raise Pay::Error, "Customer has no default payment method" if token.nil?

  # Standardize the trial period options
  if (trial_period_days = options.delete(:trial_period_days)) && trial_period_days > 0
    options.merge!(trial_period: true, trial_duration: trial_period_days, trial_duration_unit: :day)
  end

  metadata = options.delete(:metadata)
  subscription_options = options.merge(
    payment_method_token: token,
    plan_id: plan
  )

  result = gateway.subscription.create(subscription_options)
  raise Pay::Braintree::Error, result unless result.success?

  subscription = pay_customer.subscriptions.create!(
    name: name,
    processor_id: result.subscription.id,
    processor_plan: plan,
    status: :active,
    trial_ends_at: trial_end_date(result.subscription),
    ends_at: nil,
    metadata: metadata
  )

  if (charge = result.subscription.transactions.first)
    save_transaction(charge)
  end

  subscription
rescue ::Braintree::AuthorizationError => e
  raise Pay::Braintree::AuthorizationError, e
rescue ::Braintree::BraintreeError => e
  raise Pay::Braintree::Error, e
end

#trial_end_date(subscription) ⇒ Object 



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# File 'lib/pay/braintree/billable.rb', line 161

def trial_end_date(subscription)
  return unless subscription.trial_period
  # Braintree returns dates without time zones, so we'll assume they're UTC
  subscription.first_billing_date.end_of_day
end

#update_customer!(**attributes) ⇒ Object

Syncs name and email to Braintree::Customer You can also pass in other attributes that will be merged into the default attributes



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# File 'lib/pay/braintree/billable.rb', line 70

def update_customer!(**attributes)
  customer unless processor_id?
  gateway.customer.update(processor_id, customer_attributes.merge(attributes))
end