Complete an open order

app/services/fdc_backorderer.rb

@@ -97,6 +97,11 @@ class FdcBackorderer
     end
   end
 
+  def complete_order(ofn_order, backorder)
+    backorder.orderStatus = "dfc-v:Complete"
+    send_order(ofn_order, backorder)
+  end
+
   def build_sale_session(order)
     SaleSessionBuilder.build(order.order_cycle).tap do |session|
       session.semanticId = FDC_SALE_SESSION_URL

spec/services/fdc_backorderer_spec.rb

@@ -34,6 +34,18 @@ RSpec.describe FdcBackorderer do
       expect(backorder.semanticId).to match %r{^https.*/[0-9]+$}
       expect(backorder.lines.count).to eq 1
     end
+
+    it "completes an order", vcr: true do
+      backorder = subject.find_or_build_order(order)
+
+      expect(backorder.semanticId).to match %r{^https.*/[0-9]+$}
+      expect(backorder.lines.count).to eq 1
+
+      subject.complete_order(order, backorder)
+
+      remaining_open_order = subject.find_or_build_order(order)
+      expect(remaining_open_order.semanticId).not_to eq backorder.semanticId
+    end
   end
 
   describe "#find_or_build_order_line" do