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class PaypalAccount < ActiveRecord::Base
has_many :payments, :as => :source
def actions
%w{capture credit}
end
def capture(payment)
authorization = find_authorization(payment)
ppx_response = payment.payment_method.provider.capture((100 * payment.amount).to_i, authorization.transaction_id)
if ppx_response.success?
PaypalTxn.create(:payment => payment,
:txn_type => PaypalTxn::TxnType::CAPTURE,
:amount => ppx_response.params["gross_amount"].to_f,
:message => ppx_response.params["message"],
:payment_status => ppx_response.params["payment_status"],
:pending_reason => ppx_response.params["pending_reason"],
:transaction_id => ppx_response.params["transaction_id"],
:transaction_type => ppx_response.params["transaction_type"],
:payment_type => ppx_response.params["payment_type"],
:response_code => ppx_response.params["ack"],
:token => ppx_response.params["token"],
:avs_response => ppx_response.avs_result["code"],
:cvv_response => ppx_response.cvv_result["code"])
payment.finalize!
else
gateway_error(ppx_response.message)
end
end
def can_capture?(payment)
find_capture(payment).nil?
end
def credit(payment, amount=nil)
authorization = find_capture(payment)
ppx_response = payment.payment_method.provider.credit(amount.nil? ? (100 * amount).to_i : (100 * amount).to_i, authorization.transaction_id)
if ppx_response.success?
payment = authorization.paypal_payment
PaypalTxn.new(:paypal_payment => payment,
:txn_type => PaypalTxn::TxnType::CREDIT,
:gross_amount => ppx_response.params["gross_refund_amount"].to_f,
:message => ppx_response.params["message"],
:payment_status => "Refunded",
:pending_reason => ppx_response.params["pending_reason"],
:transaction_id => ppx_response.params["refund_transaction_id"],
:transaction_type => ppx_response.params["transaction_type"],
:payment_type => ppx_response.params["payment_type"],
:response_code => ppx_response.params["ack"],
:token => ppx_response.params["token"],
:avs_response => ppx_response.avs_result["code"],
:cvv_response => ppx_response.cvv_result["code"])
else
gateway_error(ppx_response.message)
end
end
def can_credit?(payment)
!find_capture(payment).nil?
end
private
def find_authorization(payment)
#find the transaction associated with the original authorization/capture
payment.txns.find(:first,
:conditions => {:pending_reason => "authorization", :payment_status => "Pending", :txn_type => PaypalTxn::TxnType::AUTHORIZE.to_s},
:order => 'created_at DESC')
end
def find_capture(payment)
#find the transaction associated with the original authorization/capture
payment.txns.find(:first,
:conditions => {:payment_status => "Completed", :txn_type => PaypalTxn::TxnType::CAPTURE.to_s},
:order => 'created_at DESC')
end
def gateway_error(text)
msg = "#{I18n.t('gateway_error')} ... #{text}"
logger.error(msg)
raise Spree::GatewayError.new(msg)
end
end