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