Class: Killbill::Plugin::ActiveMerchant::PaymentPlugin

Inherits:
Payment show all
Includes:
ActiveRecordHelper, PropertiesHelper
Defined in:
lib/killbill/helpers/active_merchant/payment_plugin.rb

Instance Attribute Summary

Attributes inherited from PluginBase

#active, #clock, #conf_dir, #kb_apis, #logger, #plugin_name, #root

Instance Method Summary collapse

Methods included from PropertiesHelper

#build_property, #find_value_from_properties, #hash_to_properties, #merge_properties, #properties_to_hash

Methods included from ActiveRecordHelper

#close_connection

Methods inherited from Payment

#set_default_payment_method

Methods inherited from PluginBase

#stop_plugin

Constructor Details

#initialize(gateway_builder, identifier, payment_method_model, transaction_model, response_model) ⇒ PaymentPlugin

Returns a new instance of PaymentPlugin.



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 14

def initialize(gateway_builder, identifier, payment_method_model, transaction_model, response_model)
  super()

  @gateway_builder      = gateway_builder
  @identifier           = identifier
  @payment_method_model = payment_method_model
  @transaction_model    = transaction_model
  @response_model       = response_model
end

Instance Method Details

#account_currency(kb_account_id, kb_tenant_id) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 567

def (, kb_tenant_id)
   = @kb_apis..(, @kb_apis.create_context(kb_tenant_id))
  .currency
end

#add_payment_method(kb_account_id, kb_payment_method_id, payment_method_props, set_default, properties, context) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 141

def add_payment_method(, kb_payment_method_id, payment_method_props, set_default, properties, context)
  all_properties        = (payment_method_props.nil? || payment_method_props.properties.nil? ? [] : payment_method_props.properties) + properties
  options               = properties_to_hash(properties)
  options[:set_default] ||= set_default
  options[:order_id]    ||= kb_payment_method_id

  should_skip_gw = Utils.normalized(options, :skip_gw)

  # Registering a card or a token
  if should_skip_gw
    # If nothing is passed, that's fine -  we probably just want a placeholder row in the plugin
    payment_source = get_payment_source(nil, all_properties, options, context) rescue nil
  else
    payment_source = get_payment_source(nil, all_properties, options, context)
  end

  # Go to the gateway
   = Utils.normalized(options, :payment_processor_account_id) || :default
  gateway                      = lookup_gateway(, context.tenant_id)
  gw_response                  = gateway.store(payment_source, options)
  response, transaction        = save_response_and_transaction(gw_response, :add_payment_method, , context.tenant_id, )

  if response.success
    # If we have skipped the call to the gateway, we still need to store the payment method (either a token or the full credit card)
    if should_skip_gw
      cc_or_token = payment_source
    else
      # response.authorization may be a String combination separated by ; - don't split it! Some plugins expect it as-is (they split it themselves)
      cc_or_token = response.authorization
    end

    attributes = properties_to_hash(all_properties)
    # Note: keep the same keys as in build_am_credit_card below
    extra_params = {
        :cc_first_name => Utils.normalized(attributes, :cc_first_name),
        :cc_last_name => Utils.normalized(attributes, :cc_last_name),
        :cc_type => Utils.normalized(attributes, :cc_type),
        :cc_exp_month => Utils.normalized(attributes, :cc_expiration_month),
        :cc_exp_year => Utils.normalized(attributes, :cc_expiration_year),
        :cc_last_4 => Utils.normalized(attributes, :cc_last_4)
    }
    payment_method = @payment_method_model.from_response(, kb_payment_method_id, context.tenant_id, cc_or_token, gw_response, options, extra_params, @payment_method_model)
    payment_method.save!
    payment_method
  else
    raise response.message
  end
end

#after_gateway(response, transaction, gw_response, context = nil) ⇒ Object

Default nil value for context only for backward compatibility (Kill Bill 0.14.0)



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 460

def after_gateway(response, transaction, gw_response, context = nil)
end

#after_gateways(response, transaction, gw_response, context = nil) ⇒ Object

Default nil value for context only for backward compatibility (Kill Bill 0.14.0)



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 450

def after_gateways(response, transaction, gw_response, context = nil)
end

#after_requestObject



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 40

def after_request
  # return DB connections to the Pool if required
  close_connection(@logger)
end

#authorize_payment(kb_account_id, kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, extra_params = {}) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 52

def authorize_payment(, kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, extra_params = {})
  gateway_call_proc = Proc.new do |gateway, linked_transaction, payment_source, amount_in_cents, options|
    gateway.authorize(amount_in_cents, payment_source, options)
  end

  dispatch_to_gateways(:authorize, , kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, gateway_call_proc, nil, extra_params)
end

#before_gateway(gateway, kb_transaction, last_transaction, payment_source, amount_in_cents, currency, options, context = nil) ⇒ Object

Default nil value for context only for backward compatibility (Kill Bill 0.14.0)



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 454

def before_gateway(gateway, kb_transaction, last_transaction, payment_source, amount_in_cents, currency, options, context = nil)
  # Can be used to implement idempotency for example: lookup the payment in the gateway
  # and pass options[:skip_gw] if the payment has already been through
end

#before_gateways(kb_transaction, last_transaction, payment_source, amount_in_cents, currency, options, context = nil) ⇒ Object

Default nil value for context only for backward compatibility (Kill Bill 0.14.0)



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 446

def before_gateways(kb_transaction, last_transaction, payment_source, amount_in_cents, currency, options, context = nil)
end

#build_am_credit_card(cc_number, attributes, pm = nil) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 522

def build_am_credit_card(cc_number, attributes, pm=nil)
  card_attributes = {
      :number => cc_number,
      :brand => Utils.normalized(attributes, :cc_type) || (pm.nil? ? nil : pm.cc_type),
      :month => Utils.normalized(attributes, :cc_expiration_month) || (pm.nil? ? nil : pm.cc_exp_month),
      :year => Utils.normalized(attributes, :cc_expiration_year) || (pm.nil? ? nil : pm.cc_exp_year),
      :verification_value => Utils.normalized(attributes, :cc_verification_value) || (pm.nil? ? nil : pm.cc_verification_value),
      :first_name => Utils.normalized(attributes, :cc_first_name) || (pm.nil? ? nil : pm.cc_first_name),
      :last_name => Utils.normalized(attributes, :cc_last_name) || (pm.nil? ? nil : pm.cc_last_name)
  }
  tokenization_attributes = {
      :eci => Utils.normalized(attributes, :eci),
      :payment_cryptogram => Utils.normalized(attributes, :payment_cryptogram),
      :transaction_id => Utils.normalized(attributes, :transaction_id)
  }

  if tokenization_attributes[:eci].nil? &&
      tokenization_attributes[:payment_cryptogram].nil? &&
      tokenization_attributes[:transaction_id].nil?
    ::ActiveMerchant::Billing::CreditCard.new(card_attributes)
  else
    # NetworkTokenizationCreditCard is exactly like a credit card but with EMV/3DS standard payment network tokenization data
    ::ActiveMerchant::Billing::NetworkTokenizationCreditCard.new(card_attributes.merge(tokenization_attributes))
  end
end

#build_am_token(token, attributes) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 548

def build_am_token(token, attributes)
  token_attributes = {
      :payment_instrument_name => Utils.normalized(attributes, :payment_instrument_name),
      :payment_network => Utils.normalized(attributes, :payment_network),
      :transaction_identifier => Utils.normalized(attributes, :transaction_identifier)
  }

  if token_attributes[:payment_instrument_name].nil? &&
      token_attributes[:payment_network].nil? &&
      token_attributes[:transaction_identifier].nil?
    token
  else
    # Use ActiveSupport since ActiveMerchant does the same
    payment_data = ::ActiveSupport::JSON.decode(token) rescue token
    # PaymentToken is meant for modeling proprietary payment token structures (like stripe and apple_pay)
    ::ActiveMerchant::Billing::ApplePayPaymentToken.new(payment_data, token_attributes)
  end
end

#build_form_descriptor(kb_account_id, descriptor_fields, properties, context) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 273

def build_form_descriptor(, descriptor_fields, properties, context)
  options            = properties_to_hash(descriptor_fields)
  order              = options.delete(:order_id)
              = options.delete(:account_id)
  service_options    = {
      :amount           => options.delete(:amount),
      :currency         => options.delete(:currency),
      :test             => options.delete(:test),
      :credential2      => options.delete(:credential2),
      :credential3      => options.delete(:credential3),
      :credential4      => options.delete(:credential4),
      :country          => options.delete(:country),
      :account_name     => options.delete(:account_name),
      :transaction_type => options.delete(:transaction_type),
      :authcode         => options.delete(:authcode),
      :notify_url       => options.delete(:notify_url),
      :return_url       => options.delete(:return_url),
      :redirect_param   => options.delete(:redirect_param),
      :forward_url      => options.delete(:forward_url)
  }

  # Retrieve the ActiveMerchant integration
  integration_module = get_active_merchant_module
  service_class      = integration_module.const_get('Helper')
  service            = service_class.new(order, , service_options)

  # Add the specified fields
  options.each do |field, value|
    mapping = service_class.mappings[field]
    next if mapping.nil?
    case mapping
      when Array
        mapping.each { |field2| service.add_field(field2, value) }
      when Hash
        options2 = value.is_a?(Hash) ? value : {}
        mapping.each { |key, field2| service.add_field(field2, options2[key]) }
      else
        service.add_field(mapping, value)
    end
  end

  form_fields = {}
  service.form_fields.each do |field, value|
    form_fields[field] = value
  end
  service.raw_html_fields.each do |field, value|
    form_fields[field] = value
  end

  # Build the response object
  descriptor               = ::Killbill::Plugin::Model::HostedPaymentPageFormDescriptor.new
  descriptor. = 
  descriptor.form_method   = service.form_method || 'POST'
  descriptor.form_url      = service.respond_to?(:credential_based_url) ? service.credential_based_url : integration_module.service_url
  descriptor.form_fields   = hash_to_properties(form_fields)
  # Any other custom property
  descriptor.properties    = hash_to_properties({})

  descriptor
end

#capture_payment(kb_account_id, kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, extra_params = {}) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 60

def capture_payment(, kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, extra_params = {})
  gateway_call_proc = Proc.new do |gateway, linked_transaction, payment_source, amount_in_cents, options|
    gateway.capture(amount_in_cents, linked_transaction.txn_id, options)
  end

  linked_transaction_proc = Proc.new do |amount_in_cents, options|
    # TODO We use the last transaction at the moment, is it good enough?
    last_authorization = @transaction_model.authorizations_from_kb_payment_id(kb_payment_id, context.tenant_id).last
    raise "Unable to retrieve last authorization for operation=capture, kb_payment_id=#{kb_payment_id}, kb_payment_transaction_id=#{kb_payment_transaction_id}, kb_payment_method_id=#{kb_payment_method_id}" if last_authorization.nil?
    last_authorization
  end

  dispatch_to_gateways(:capture, , kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, gateway_call_proc, linked_transaction_proc, extra_params)
end

#config(kb_tenant_id = nil) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 588

def config(kb_tenant_id=nil)
  ::Killbill::Plugin::ActiveMerchant.config(kb_tenant_id)
end

#credit_payment(kb_account_id, kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, extra_params = {}) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 105

def credit_payment(, kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, extra_params = {})
  gateway_call_proc = Proc.new do |gateway, linked_transaction, payment_source, amount_in_cents, options|
    gateway.credit(amount_in_cents, payment_source, options)
  end

  dispatch_to_gateways(:credit, , kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, gateway_call_proc, nil, extra_params)
end

#delete_payment_method(kb_account_id, kb_payment_method_id, properties, context) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 190

def delete_payment_method(, kb_payment_method_id, properties, context)
  options = properties_to_hash(properties)

  pm      = @payment_method_model.from_kb_payment_method_id(kb_payment_method_id, context.tenant_id)

  # Delete the card
   = Utils.normalized(options, :payment_processor_account_id) || :default
  gateway                      = lookup_gateway(, context.tenant_id)

  customer_id = Utils.normalized(options, :customer_id)
  if customer_id
    gw_response = gateway.unstore(customer_id, pm.token, options)
  else
    gw_response = gateway.unstore(pm.token, options)
  end
  response, transaction = save_response_and_transaction(gw_response, :delete_payment_method, , context.tenant_id, )

  if response.success
    @payment_method_model.mark_as_deleted! kb_payment_method_id, context.tenant_id
  else
    raise response.message
  end
end

#dispatch_to_gateways(operation, kb_account_id, kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, gateway_call_proc, linked_transaction_proc = nil, extra_params = {}) ⇒ Object

TODO Split settlements is partially implemented. Left to be done:

  • payment_source should probably be retrieved per gateway

  • amount per gateway should be retrieved from the options



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 369

def dispatch_to_gateways(operation, , kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, gateway_call_proc, linked_transaction_proc=nil, extra_params={})
  kb_transaction        = Utils::LazyEvaluator.new { get_kb_transaction(kb_payment_id, kb_payment_transaction_id, context.tenant_id) }
  amount_in_cents       = amount.nil? ? nil : to_cents(amount, currency)

  # Setup options for ActiveMerchant
  options               = properties_to_hash(properties)
  options[:order_id]    ||= (Utils.normalized(options, :external_key_as_order_id) ? kb_transaction.external_key : kb_payment_transaction_id)
  options[:currency]    ||= currency.to_s.upcase unless currency.nil?
  options[:description] ||= "Kill Bill #{operation.to_s} for #{kb_payment_transaction_id}"

  # Retrieve the payment method
  payment_source        = get_payment_source(kb_payment_method_id, properties, options, context)

  # Sanity checks
  if [:authorize, :purchase, :credit].include?(operation)
    raise "Unable to retrieve payment source for operation=#{operation}, kb_payment_id=#{kb_payment_id}, kb_payment_transaction_id=#{kb_payment_transaction_id}, kb_payment_method_id=#{kb_payment_method_id}" if payment_source.nil?
  end

  # Retrieve the previous transaction for the same operation and payment id - this is useful to detect dups for example
  last_transaction = Utils::LazyEvaluator.new { @transaction_model.send("#{operation.to_s}s_from_kb_payment_id", kb_payment_id, context.tenant_id).last }

  # Retrieve the linked transaction (authorization to capture, purchase to refund, etc.)
  linked_transaction = nil
  unless linked_transaction_proc.nil?
    linked_transaction                     = linked_transaction_proc.call(amount_in_cents, options)
    options[:payment_processor_account_id] ||= linked_transaction.
  end

  # Filter before all gateways call
  before_gateways(kb_transaction, last_transaction, payment_source, amount_in_cents, currency, options, context)

  # Dispatch to the gateways. In most cases (non split settlements), we only dispatch to a single gateway account
  gw_responses                  = []
  responses                     = []
  transactions                  = []

   = Utils.normalized(options, :payment_processor_account_ids)
  if !
     = [Utils.normalized(options, :payment_processor_account_id) || :default]
  else
     = .split(',')
  end
  .each do ||
    # Find the gateway
    gateway = lookup_gateway(, context.tenant_id)

    # Filter before each gateway call
    before_gateway(gateway, kb_transaction, last_transaction, payment_source, amount_in_cents, currency, options, context)

    # Perform the operation in the gateway
    gw_response           = gateway_call_proc.call(gateway, linked_transaction, payment_source, amount_in_cents, options)
    response, transaction = save_response_and_transaction(gw_response, operation, , context.tenant_id, , kb_payment_id, kb_payment_transaction_id, operation.upcase, amount_in_cents, currency, extra_params)

    # Filter after each gateway call
    after_gateway(response, transaction, gw_response, context)

    gw_responses << gw_response
    responses << response
    transactions << transaction
  end

  # Filter after all gateways call
  after_gateways(responses, transactions, gw_responses, context)

  # Merge data
  merge_transaction_info_plugins(, responses, transactions)
end

#get_active_merchant_moduleObject



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 592

def get_active_merchant_module
  ::OffsitePayments.integration(@identifier.to_s.camelize)
end

#get_kb_transaction(kb_payment_id, kb_payment_transaction_id, kb_tenant_id) ⇒ Object

Raises:

  • (ArgumentError)


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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 437

def get_kb_transaction(kb_payment_id, kb_payment_transaction_id, kb_tenant_id)
  kb_payment     = @kb_apis.payment_api.get_payment(kb_payment_id, false, false, [], @kb_apis.create_context(kb_tenant_id))
  kb_transaction = kb_payment.transactions.find { |t| t.id == kb_payment_transaction_id }
  # This should never happen...
  raise ArgumentError.new("Unable to find Kill Bill transaction for id #{kb_payment_transaction_id}") if kb_transaction.nil?
  kb_transaction
end

#get_payment_info(kb_account_id, kb_payment_id, properties, context) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 129

def get_payment_info(, kb_payment_id, properties, context)
  # We assume the payment is immutable in the Gateway and only look at our tables
  @response_model.from_kb_payment_id(@transaction_model, kb_payment_id, context.tenant_id).collect do |response|
    response.to_transaction_info_plugin(response.send("#{@identifier}_transaction"))
  end
end

#get_payment_method_detail(kb_account_id, kb_payment_method_id, properties, context) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 214

def get_payment_method_detail(, kb_payment_method_id, properties, context)
  options = properties_to_hash(properties)
  @payment_method_model.from_kb_payment_method_id(kb_payment_method_id, context.tenant_id).to_payment_method_plugin
end

#get_payment_methods(kb_account_id, refresh_from_gateway = false, properties, context) ⇒ Object

No default implementation def set_default_payment_method(kb_account_id, kb_payment_method_id, properties, context) end



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 223

def get_payment_methods(, refresh_from_gateway = false, properties, context)
  options = properties_to_hash(properties)
  @payment_method_model.(, context.tenant_id).collect { |pm| pm.to_payment_method_info_plugin }
end

#get_payment_source(kb_payment_method_id, properties, options, context) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 468

def get_payment_source(kb_payment_method_id, properties, options, context)
  attributes = properties_to_hash(properties, options)

  # Use ccNumber for:
  # * the real number
  # * in-house token (e.g. proxy tokenization)
  # * token from a token service provider (e.g. ApplePay)
  # If not specified, the rest of the card details will be retrieved from the locally stored payment method (if available)
  cc_number = Utils.normalized(attributes, :cc_number)
  # Use token for the token stored in an external vault. The token itself should be enough to process payments.
  token = Utils.normalized(attributes, :token) || Utils.normalized(attributes, :card_id) || Utils.normalized(attributes, :payment_data)

  if token.blank?
    pm = nil
    begin
      pm = @payment_method_model.from_kb_payment_method_id(kb_payment_method_id, context.tenant_id)
    rescue => e
      raise e if cc_number.blank?
    end unless kb_payment_method_id.nil?

    if cc_number.blank? && !pm.nil?
      # Lookup existing token
      if pm.token.blank?
        # Real credit card
        cc_or_token = build_am_credit_card(pm.cc_number, attributes, pm)
      else
        # Tokenized card
        cc_or_token = pm.token
      end
    else
      # Real credit card or network tokenization
      cc_or_token = build_am_credit_card(cc_number, attributes, pm)
    end
  else
    # Use specified token
    cc_or_token = build_am_token(token, attributes)
  end

  options[:billing_address] ||= {
      :email => Utils.normalized(attributes, :email),
      :address1 => Utils.normalized(attributes, :address1) || (pm.nil? ? nil : pm.address1),
      :address2 => Utils.normalized(attributes, :address2) || (pm.nil? ? nil : pm.address2),
      :city => Utils.normalized(attributes, :city) || (pm.nil? ? nil : pm.city),
      :zip => Utils.normalized(attributes, :zip) || (pm.nil? ? nil : pm.zip),
      :state => Utils.normalized(attributes, :state) || (pm.nil? ? nil : pm.state),
      :country => Utils.normalized(attributes, :country) || (pm.nil? ? nil : pm.country)
  }

  # To make various gateway implementations happy...
  options[:billing_address].each { |k, v| options[k] ||= v }

  cc_or_token
end

#lookup_gateway(payment_processor_account_id = :default, kb_tenant_id = nil) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 582

def lookup_gateway(=:default, kb_tenant_id=nil)
  gateway = ::Killbill::Plugin::ActiveMerchant.gateways(kb_tenant_id)[.to_sym]
  raise "Unable to lookup gateway for payment_processor_account_id #{}, kb_tenant_id = #{kb_tenant_id}, gateways: #{::Killbill::Plugin::ActiveMerchant.gateways(kb_tenant_id)}" if gateway.nil?
  gateway
end

#merge_transaction_info_plugins(payment_processor_account_ids, responses, transactions) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 596

def merge_transaction_info_plugins(, responses, transactions)
  result                             = Killbill::Plugin::Model::PaymentTransactionInfoPlugin.new
  result.amount                      = nil
  result.properties                  = []
  result.status                      = :PROCESSED
  # Nothing meaningful we can set here
  result.first_payment_reference_id  = nil
  result.second_payment_reference_id = nil

  responses.each_with_index do |response, idx|
    t_info_plugin = response.to_transaction_info_plugin(transactions[idx])
    if responses.size == 1
      # We're done
      return t_info_plugin
    end

    # Unique values
    [:kb_payment_id, :kb_transaction_payment_id, :transaction_type, :currency].each do |element|
      result_element        = result.send(element)
      t_info_plugin_element = t_info_plugin.send(element)
      if result_element.nil?
        result.send("#{element}=", t_info_plugin_element)
      elsif result_element != t_info_plugin_element
        raise "#{element.to_s} mismatch, #{result_element} != #{t_info_plugin_element}"
      end
    end

    # Arbitrary values
    [:created_date, :effective_date].each do |element|
      if result.send(element).nil?
        result.send("#{element}=", t_info_plugin.send(element))
      end
    end

    t_info_plugin.properties.each do |property|
      prop       = Killbill::Plugin::Model::PluginProperty.new
      prop.key   = "#{property.key}_#{[idx]}"
      prop.value = property.value
      result.properties << prop
    end

    if result.amount.nil?
      result.amount = t_info_plugin.amount
    elsif !t_info_plugin.nil?
      # TODO Adding decimals - are we losing precision?
      result.amount = result.amount + t_info_plugin.amount
    end

    # We set an error status if we have at least one error
    # TODO Does this work well with retries?
    if t_info_plugin.status == :ERROR
      result.status             = :ERROR

      # Return the first error
      result.gateway_error      = t_info_plugin.gateway_error if  result.gateway_error.nil?
      result.gateway_error_code = t_info_plugin.gateway_error_code if  result.gateway_error_code.nil?
    end
  end

  result
end

#on_event(event) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 45

def on_event(event)
  if (event.event_type == :TENANT_CONFIG_CHANGE || event.event_type == :TENANT_CONFIG_DELETION) &&
      event..to_sym == @config_key_name
    ::Killbill::Plugin::ActiveMerchant.invalidate_tenant_config!(event.tenant_id)
  end
end

#process_notification(notification, properties, context) {|gw_notification, service| ... } ⇒ Object

Yields:

  • (gw_notification, service)


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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 334

def process_notification(notification, properties, context, &proc)
  options            = properties_to_hash(properties)

  # Retrieve the ActiveMerchant integration
  integration_module = get_active_merchant_module
  service_class      = integration_module.const_get('Notification')
  # notification is either a body or a query string
  service            = service_class.new(notification, options)

  if service.respond_to? :acknowledge
    service.acknowledge
  end

  gw_notification               = ::Killbill::Plugin::Model::GatewayNotification.new
  gw_notification.kb_payment_id = nil
  gw_notification.status        = service.status == 'Completed' ? 200 : 400
  gw_notification.headers       = {}
  gw_notification.properties    = []

  if service.respond_to? :success_response
    gw_notification.entity = service.success_response(properties_to_hash(properties))
  else
    gw_notification.entity = ''
  end

  yield(gw_notification, service) if block_given?

  gw_notification
end

#purchase_payment(kb_account_id, kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, extra_params = {}) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 75

def purchase_payment(, kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, extra_params = {})
  gateway_call_proc = Proc.new do |gateway, linked_transaction, payment_source, amount_in_cents, options|
    gateway.purchase(amount_in_cents, payment_source, options)
  end

  dispatch_to_gateways(:purchase, , kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, gateway_call_proc, nil, extra_params)
end

#refund_payment(kb_account_id, kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, extra_params = {}) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 113

def refund_payment(, kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, extra_params = {})
  gateway_call_proc = Proc.new do |gateway, linked_transaction, payment_source, amount_in_cents, options|
    gateway.refund(amount_in_cents, linked_transaction.txn_id, options)
  end

  linked_transaction_proc = Proc.new do |amount_in_cents, options|
    linked_transaction_type = find_value_from_properties(properties, :linked_transaction_type)
    transaction             = @transaction_model.find_candidate_transaction_for_refund(kb_payment_id, context.tenant_id, linked_transaction_type)
    # This should never happen
    raise "Unable to retrieve transaction to refund for operation=refund, kb_payment_id=#{kb_payment_id}, kb_payment_transaction_id=#{kb_payment_transaction_id}, kb_payment_method_id=#{kb_payment_method_id}" if transaction.nil?
    transaction
  end

  dispatch_to_gateways(:refund, , kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, amount, currency, properties, context, gateway_call_proc, linked_transaction_proc, extra_params)
end

#reset_payment_methods(kb_account_id, payment_methods, properties, context) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 233

def reset_payment_methods(, payment_methods, properties, context)
  return if payment_methods.nil?

  options = properties_to_hash(properties)

  pms = @payment_method_model.(, context.tenant_id)

  payment_methods.delete_if do |payment_method_info_plugin|
    should_be_deleted = false
    pms.each do |pm|
      # Do pm and payment_method_info_plugin represent the same payment method?
      if pm.external_payment_method_id == payment_method_info_plugin.external_payment_method_id
        # Do we already have a kb_payment_method_id?
        if pm.kb_payment_method_id == payment_method_info_plugin.payment_method_id
          should_be_deleted = true
          break
        elsif pm.kb_payment_method_id.nil?
          # We didn't have the kb_payment_method_id - update it
          pm.kb_payment_method_id = payment_method_info_plugin.payment_method_id
          should_be_deleted       = pm.save
          break
          # Otherwise the same token points to 2 different kb_payment_method_id. This should never happen!
        end
      end
    end

    should_be_deleted
  end

  # The remaining elements in payment_methods are not in our table (this should never happen?!)
  payment_methods.each do |payment_method_info_plugin|
    pm = @payment_method_model.create(:kb_account_id        => ,
                                      :kb_payment_method_id => payment_method_info_plugin.payment_method_id,
                                      :kb_tenant_id         => context.tenant_id,
                                      :token                => payment_method_info_plugin.external_payment_method_id,
                                      :created_at           => Time.now.utc,
                                      :updated_at           => Time.now.utc)
  end
end

#save_response_and_transaction(gw_response, api_call, kb_account_id, kb_tenant_id, payment_processor_account_id, kb_payment_id = nil, kb_payment_transaction_id = nil, transaction_type = nil, amount_in_cents = 0, currency = nil, extra_params = {}) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 572

def save_response_and_transaction(gw_response, api_call, , kb_tenant_id, , kb_payment_id=nil, kb_payment_transaction_id=nil, transaction_type=nil, amount_in_cents=0, currency=nil, extra_params={})
  @logger.warn "Unsuccessful #{api_call}: #{gw_response.message}" unless gw_response.success?

  response, transaction = @response_model.create_response_and_transaction(@identifier, @transaction_model, api_call, , kb_payment_id, kb_payment_transaction_id, transaction_type, , kb_tenant_id, gw_response, amount_in_cents, currency, extra_params, @response_model)

  @logger.debug { "Recorded transaction: #{transaction.inspect}" } unless transaction.nil?

  return response, transaction
end

#search_payment_methods(search_key, offset = 0, limit = 100, properties, context) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 228

def search_payment_methods(search_key, offset = 0, limit = 100, properties, context)
  options = properties_to_hash(properties)
  @payment_method_model.search(search_key, context.tenant_id, offset, limit)
end

#search_payments(search_key, offset = 0, limit = 100, properties, context) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 136

def search_payments(search_key, offset = 0, limit = 100, properties, context)
  options = properties_to_hash(properties)
  @response_model.search(search_key, context.tenant_id, offset, limit)
end

#start_pluginObject



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 24

def start_plugin
  @logger.progname = "#{@identifier.to_s}-plugin"

  @config_key_name = "PLUGIN_CONFIG_#{@plugin_name}".to_sym
  ::Killbill::Plugin::ActiveMerchant.initialize! @gateway_builder,
                                                 @identifier.to_sym,
                                                 @logger,
                                                 @config_key_name,
                                                 "#{@conf_dir}/#{@identifier.to_s}.yml",
                                                 @kb_apis

  super

  @logger.info "#{@identifier} payment plugin started"
end

#to_cents(amount, currency) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 463

def to_cents(amount, currency)
  # Use Money to compute the amount in cents, as it depends on the currency (1 cent of BTC is 1 Satoshi, not 0.01 BTC)
  ::Monetize.from_numeric(amount, currency).cents.to_i
end

#void_payment(kb_account_id, kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, properties, context, extra_params = {}) ⇒ Object



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# File 'lib/killbill/helpers/active_merchant/payment_plugin.rb', line 83

def void_payment(, kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, properties, context, extra_params = {})
  gateway_call_proc = Proc.new do |gateway, linked_transaction, payment_source, amount_in_cents, options|
    authorization = linked_transaction.txn_id

    # Go to the gateway - while some gateways implementations are smart and have void support 'auth_reversal' and 'void' (e.g. Litle),
    # others (e.g. CyberSource) implement different methods
    if linked_transaction.transaction_type == 'AUTHORIZE' && gateway.respond_to?(:auth_reversal)
      options[:currency] ||= linked_transaction.currency
      gateway.auth_reversal(linked_transaction.amount_in_cents, authorization, options)
    else
      gateway.void(authorization, options)
    end
  end

  linked_transaction_proc = Proc.new do |amount_in_cents, options|
    linked_transaction_type = find_value_from_properties(properties, :linked_transaction_type)
    @transaction_model.find_candidate_transaction_for_void(kb_payment_id, context.tenant_id, linked_transaction_type)
  end

  dispatch_to_gateways(:void, , kb_payment_id, kb_payment_transaction_id, kb_payment_method_id, nil, nil, properties, context, gateway_call_proc, linked_transaction_proc, extra_params)
end