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# aim to unpick this later
module Spree::PaypalExpress
include ERB::Util
include ActiveMerchant::RequiresParameters
def paypal_checkout
load_object
opts = all_opts(@order, 'checkout')
opts.merge!(address_options(@order))
gateway = paypal_gateway
response = gateway.setup_authorization(opts[:money], opts)
unless response.success?
gateway_error(response)
redirect_to edit_order_url(@order)
return
end
redirect_to (gateway.redirect_url_for response.token)
end
def paypal_payment
load_object
opts = all_opts(@order, 'payment')
opts.merge!(address_options(@order))
gateway = paypal_gateway
response = gateway.setup_authorization(opts[:money], opts)
unless response.success?
gateway_error(response)
redirect_to edit_order_checkout_url(@order, :step => "payment")
return
end
redirect_to (gateway.redirect_url_for response.token)
end
def paypal_confirm
load_object
opts = { :token => params[:token], :payer_id => params[:PayerID] }.merge all_opts(@order)
gateway = paypal_gateway
@ppx_details = gateway.details_for params[:token]
if @ppx_details.success?
# now save the updated order info
@order.checkout.email = @ppx_details.email
@order.checkout.special_instructions = @ppx_details.params["note"]
@order.update_attribute(:user, current_user)
ship_address = @ppx_details.address
order_ship_address = Address.new :firstname => @ppx_details.params["first_name"],
:lastname => @ppx_details.params["last_name"],
:address1 => ship_address["address1"],
:address2 => ship_address["address2"],
:city => ship_address["city"],
:country => Country.find_by_iso(ship_address["country"]),
:zipcode => ship_address["zip"],
# phone is currently blanked in AM's PPX response lib
:phone => @ppx_details.params["phone"] || "(not given)"
if (state = State.find_by_abbr(ship_address["state"]))
order_ship_address.state = state
else
order_ship_address.state_name = ship_address["state"]
end
order_ship_address.save!
@order.checkout.ship_address = order_ship_address
@order.checkout.save
render :partial => "shared/paypal_express_confirm", :layout => true
else
gateway_error(@ppx_details)
end
end
def paypal_finish
load_object
#order = Order.find_by_number(params[:id])
opts = { :token => params[:token], :payer_id => params[:PayerID] }.merge all_opts(@order)
gateway = paypal_gateway
if Spree::Config[:auto_capture]
ppx_auth_response = gateway.purchase((@order.total*100).to_i, opts)
else
ppx_auth_response = gateway.authorize((@order.total*100).to_i, opts)
end
if ppx_auth_response.success?
payment = @order.paypal_payments.create(:amount => ppx_auth_response.params["gross_amount"].to_f)
transaction = PaypalTxn.new(:paypal_payment => payment,
:gross_amount => ppx_auth_response.params["gross_amount"].to_f,
:message => ppx_auth_response.params["message"],
:payment_status => ppx_auth_response.params["payment_status"],
:pending_reason => ppx_auth_response.params["pending_reason"],
:transaction_id => ppx_auth_response.params["transaction_id"],
:transaction_type => ppx_auth_response.params["transaction_type"],
:payment_type => ppx_auth_response.params["payment_type"],
:ack => ppx_auth_response.params["ack"],
:token => ppx_auth_response.params["token"],
:avs_response => ppx_auth_response.avs_result["code"],
:cvv_response => ppx_auth_response.cvv_result["code"])
payment.paypal_txns << transaction
@order.save!
@checkout.reload
until @checkout.state == "complete"
@checkout.next!
end
# todo - share code
flash[:notice] = t('order_processed_successfully')
order_params = {:checkout_complete => true}
order_params[:order_token] = @order.token unless @order.user
session[:order_id] = nil if @order.checkout.completed_at
else
order_params = {}
gateway_error(ppx_auth_response)
end
redirect_to order_url(@order, order_params)
end
def paypal_capture(authorization)
ppx_response = paypal_gateway.capture((100 * authorization.gross_amount).to_i, authorization.transaction_id)
if ppx_response.success?
payment = authorization.paypal_payment
transaction = PaypalTxn.new(:paypal_payment => payment,
:gross_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"],
:ack => ppx_response.params["ack"],
:token => ppx_response.params["token"],
:avs_response => ppx_response.avs_result["code"],
:cvv_response => ppx_response.cvv_result["code"])
payment.paypal_txns << transaction
payment.save
else
gateway_error(ppx_response)
end
end
def paypal_refund(authorization, amount=nil)
ppx_response = paypal_gateway.credit(amount.nil? ? (100 * authorization.gross_amount).to_i : (100 * amount).to_i, authorization.transaction_id)
if ppx_response.success?
payment = authorization.paypal_payment
transaction = PaypalTxn.new(:paypal_payment => payment,
: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"],
:ack => ppx_response.params["ack"],
:token => ppx_response.params["token"],
:avs_response => ppx_response.avs_result["code"],
:cvv_response => ppx_response.cvv_result["code"])
payment.paypal_txns << transaction
payment.save
else
gateway_error(ppx_response)
end
end
private
def fixed_opts
{ :description => "Goods from #{Spree::Config[:site_name]}", # site details...
#:page_style => "foobar", # merchant account can set named config
:header_image => "https://" + Spree::Config[:site_url] + "/images/logo.png",
:background_color => "ffffff", # must be hex only, six chars
:header_background_color => "ffffff",
:header_border_color => "ffffff",
:allow_note => true,
:locale => Spree::Config[:default_locale],
:notify_url => 'to be done', # this is a callback, not tried it yet
:req_confirm_shipping => false, # for security, might make an option later
# WARNING -- don't use :ship_discount, :insurance_offered, :insurance since
# they've not been tested and may trigger some paypal bugs, eg not showing order
# see http://www.pdncommunity.com/t5/PayPal-Developer-Blog/Displaying-Order-Details-in-Express-Checkout/bc-p/92902#C851
}
end
def order_opts(order, stage)
items = order.line_items.map do |item|
tax = paypal_variant_tax(item.price, item.variant)
price = (item.price * 100).to_i # convert for gateway
tax = (tax * 100).to_i # truncate the tax slice
{ :name => item.variant.product.name,
:description => item.variant.product.description[0..120],
:sku => item.variant.sku,
:qty => item.quantity,
:amount => price - tax,
:tax => tax,
:weight => item.variant.weight,
:height => item.variant.height,
:width => item.variant.width,
:depth => item.variant.weight }
end
opts = { :return_url => request.protocol + request.host_with_port + "/orders/#{order.number}/checkout/paypal_confirm",
:cancel_return_url => "http://" + request.host_with_port + "/orders/#{order.number}/edit",
:order_id => order.number,
:custom => order.number,
:items => items
}
if stage == "checkout"
# recalculate all totals here as we need to ignore shipping & tax because we are checking-out via paypal (spree checkout not started)
# get the main totals from the items (already *100)
opts[:subtotal] = opts[:items].map {|i| i[:amount] * i[:qty] }.sum
opts[:tax] = opts[:items].map {|i| i[:tax] * i[:qty] }.sum
# overall total
opts[:money] = opts.slice(:subtotal, :tax, :shipping, :handling).values.sum
opts[:money] = (order.total*100).to_i
opts[:callback_url] = "http://" + request.host_with_port + "/paypal_express_callbacks/#{order.number}"
opts[:callback_timeout] = 3
elsif stage == "payment"
#use real totals are we are paying via paypal (spree checkout almost complete)
opts[:subtotal] = (order.item_total*100).to_i
opts[:tax] = 0 # BQ : not sure what to do here
opts[:shipping] = (order.ship_total*100).to_i
opts[:handling] = 0 # BQ : not sure what to do here
# overall total
opts[:money] = opts.slice(:subtotal, :tax, :shipping, :handling).values.sum
opts[:money] = (order.total*100).to_i
end
opts
end
# hook for supplying tax amount for a single unit of a variant
# expects the sale price from the line_item and the variant itself, since
# line_item price and variant price can diverge in time
def paypal_variant_tax(sale_price, variant)
0.0
end
def address_options(order)
{
:no_shipping => false,
:address_override => true,
:address => {
:name => "#{order.ship_address.firstname} #{order.ship_address.lastname}",
:address1 => order.ship_address.address1,
:address2 => order.ship_address.address2,
:city => order.ship_address.city,
:state => order.ship_address.state.nil? ? order.ship_address.state_name.to_s : order.ship_address.state.abbr,
:country => order.ship_address.country.iso,
:zip => order.ship_address.zipcode,
:phone => order.ship_address.phone
}
}
end
def all_opts(order, stage=nil)
opts = fixed_opts.merge(order_opts(order, stage))#.
# merge(paypal_site_options order) BQ
if stage == "payment"
opts.merge! flat_rate_shipping_and_handling_options(order, stage)
end
# suggest current user's email or any email stored in the order
opts[:email] = current_user ? current_user.email : order.checkout.email
opts
end
# hook to allow applications to load in their own shipping and handling costs
def flat_rate_shipping_and_handling_options(order, stage)
# max_fallback = 0.0
# shipping_options = ShippingMethod.all.map do |shipping_method|
# max_fallback = shipping_method.fallback_amount if shipping_method.fallback_amount > max_fallback
# { :name => "#{shipping_method.id}",
# :label => "#{shipping_method.name} - #{shipping_method.zone.name}",
# :amount => (shipping_method.fallback_amount*100) + 1,
# :default => shipping_method.is_default }
# end
#
#
# default_shipping_method = ShippingMethod.find(:first, :conditions => {:is_default => true})
#
# opts = { :shipping_options => shipping_options,
# :max_amount => (order.total + max_fallback)*100
# }
#
# opts[:shipping] = (default_shipping_method.nil? ? 0 : default_shipping_method.fallback_amount) if stage == "checkout"
#
# opts
{}
end
def gateway_error(response)
text = response.params['message'] ||
response.params['response_reason_text'] ||
response.message
msg = "#{I18n.t('gateway_error')} ... #{text}"
logger.error(msg)
flash[:error] = msg
end
# create the gateway from the supplied options
def paypal_gateway
integration = BillingIntegration.find(params[:integration_id]) if params.key? :integration_id
integration ||= BillingIntegration.current
gateway = integration.provider
end
end