added invoice hook listener to update invoice with VIN

lib/vehicles/hooks/invoice_hook_listener.rb

@@ -0,0 +1,64 @@
+#The MIT License (MIT)
+#
+#Copyright (c) 2016 - 2026 rick barrette
+#
+#Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+#
+#The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+#
+#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+module Vehicles
+  module Hooks
+
+    class InvoiceHookListener < Redmine::Hook::ViewListener
+
+      include IssuesHelper
+
+      # Called by Redmine QBO Invoice
+      def process_invoice_custom_fields(context={})
+        Rails.logger.info "redmine_qbo_vehicles.process_invoice_custom_fields"
+        issue = context[:issue]
+        invoice = context[:invoice]
+
+        # update the invoive custom fields with infomation from the issue if available
+        context[:invoice].custom_fields.each do |cf|
+
+          Rails.logger.info "Checking invoice.custom field: #{cf.name}"
+          
+          # VIN from the attached vehicle 
+          begin
+            if cf.name.eql? "VIN"
+              # Only update if blank to prevent infite loops
+              # TODO check cf_sync_confict flag once implemented
+              if cf.string_value.to_s.blank?
+
+                Rails.logger.info "VIN was blank, updating the invoice vin in quickbooks"
+                vin = context[:issue].vehicle.vin
+                break if vin.nil?
+                
+                if not cf.string_value.to_s.eql? vin
+                  cf.string_value = vin.to_s
+                  Rails.logger.info "VIN has changed"
+                  context[:is_changed] = true
+                end
+
+              end
+
+            end
+          rescue
+            #do nothing
+            Rails.logger.info "redmine_qbo_vehicles.process_invoice_custom_fields failed, skipping"
+            return nil
+          end
+        end
+
+        return context if context[:is_changed]
+        
+        return nil
+      end
+    end
+
+  end
+
+end