Removed InvoiceHookListener registation

README.md

@@ -10,7 +10,6 @@ The goal of this project is to enable vehicle tracking for customer vehicles wit
 * **Parent Plugin:** [Redmine QuickBooks Online](https://github.com/rickbarrette/redmine_qbo)
 
 ## Compatibility
-
 | Plugin Version | Redmine Version | Ruby Version |
 | :--- | :--- | :--- |
 | 2026.1.2+ | Redmine 6.1 | 3.2+ |

app/controllers/vehicles_controller.rb

@@ -60,10 +60,15 @@ class VehiclesController < ApplicationController
   # display a specific vehicle
   def show
     begin
-      @vehicle = Vehicle.find_by_id(params[:id])
+      @vehicle = Vehicle.includes(issues: [:estimate, :invoices]).find(params[:id])
       @vin = @vehicle.vin.scan(/.{1,9}/) if @vehicle.vin
-      @issues = @vehicle.issues.order(id: :desc)
-      @closed_issues = (@issues - @issues.open)
+      @issues = @vehicle.issues
+        .joins(:status)
+        .includes(:estimate, :invoices, :status, :project, :tracker, :priority)
+        .order(id: :desc)
+      @open_issues = @issues.select { |i| !i.status.is_closed }
+      @closed_issues = @issues.select { |i| i.status.is_closed }
+
       flash[:error] = t :alert_no_customer if @vehicle.customer.nil?
     rescue 
       flash[:error] = t :alert_vehicle_not_found
@@ -71,6 +76,23 @@ class VehiclesController < ApplicationController
     end
   end
 
+  # used by the polling JS in vehicle#show
+  def status
+    vehicle = Vehicle.find(params[:id])
+
+    # decode the vin if it hasn't been done for some reason
+    unless vehicle.vin_decoded
+      if vehicle.error.nil?
+        VehicleVinDecodeJob.perform_later(vehicle)
+      end
+    end
+    
+    render json: {
+      decoded: vehicle.vin_decoded,
+      error: vehicle.error
+    }
+  end
+
   # return an HTML form for editing a vehicle
   def edit
     begin

app/jobs/vehicle_vin_decode_job.rb

@@ -0,0 +1,55 @@
+#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.
+
+class VehicleVinDecodeJob < ApplicationJob
+  queue_as :default
+  retry_on StandardError, wait: 5.minutes, attempts: 5
+
+  def perform(vehicle_id)
+    log "Looking up VIN for vehicle ##{vehicle_id}"
+    vehicle = Vehicle.find_by(id: vehicle_id)
+    return unless vehicle&.vin.present?
+    result = VinDecoder.call(vehicle.vin)
+    
+    unless result.success?
+      log "Failed to decode vin"
+      vehicle.update(vin_decoded: false, error: result.error)
+      return
+    end
+
+    details = result.data
+
+    vehicle.update(
+      year: details.year.presence || vehicle.year,
+      make: details.make.presence || vehicle.make,
+      model: details.model.presence || vehicle.model,
+      doors: details.doors.presence || vehicle.doors,
+      trim: details.trim.presence || vehicle.trim,
+      name: build_name(vehicle, details),
+      vin_decoded: true,
+      error: nil
+    )
+  end
+
+  private
+
+  def build_name(vehicle, details)
+    if details.year && details.make && details.model
+      suffix = vehicle.vin.to_s[9..]
+      "#{details.year} #{details.make} #{details.model} - #{suffix}"
+    else
+      vehicle.vin
+    end
+  end
+
+  def log(msg)
+    Rails.logger.info "[VehicleVinDecodeJob] #{msg}"
+  end
+end

app/models/vehicle.rb

@@ -8,131 +8,79 @@
 #
 #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.
 
-class Vehicle < ActiveRecord::Base
-
+class Vehicle < ApplicationRecord
   include Redmine::Acts::Searchable
   include Redmine::Acts::Event
 
   belongs_to :customer
   has_many :issues
-  validates_presence_of :customer
-  validates :vin, uniqueness: true
-  before_save :decode_vin
-
-  acts_as_searchable columns: %w[vin make model year],
-                     scope: ->(_context) { left_joins(:project) },
-                     date_column: :updated_at
-
+  validates :customer, presence: true
+  validates :vin, presence: true, uniqueness: true
+  before_validation :normalize_vin
+  after_commit :enqueue_vin_decode, if: :saved_change_to_vin?
+  acts_as_searchable columns: %w[vin make model year], scope: ->(_context) { all }, date_column: :updated_at
   acts_as_event :title => Proc.new {|o| "#{o.to_s}"},
                 :url => Proc.new {|o| { :controller => 'vehicles', :action => 'show', :id => o.id} },
                 :type => :to_s,
                 :description => Proc.new {|o| "#{o.vin} - #{o.customer}"},
                 :datetime => Proc.new {|o| o.updated_at || o.created_at}
 
-  # decodes a vin and updates self
-  def decode_vin
-    get_details
-    if @details
-      begin
-        self.year = @details.year unless @details.year.nil?
-        self.make = @details.make unless @details.make.nil?
-        self.model = @details.model unless @details.model.nil?
-        self.doors = @details.doors unless @details.doors.nil?
-        self.trim = @details.trim unless @details.trim.nil?
-      rescue Exception => e
-        errors.add(:vin, e.message)
-      end
-    end
-    self.name = to_s
-  end
-
-  # returns the raw JSON details from NHTSA
-  def details
-    get_details if @details.nil?
-    return @details
-  end
-
-  # returns all estimates for this vehicle
   def estimates
-    self.issues.flat_map(&:estimate).uniq.compact
+    issues.includes(:estimate).flat_map(&:estimate).uniq.compact
   end
 
-  # reurns all invoices for this vehicle
   def invoices
-    self.issues.flat_map(&:invoices).uniq.compact
+    issues.includes(:invoices).flat_map(&:invoices).uniq.compact
   end
 
-  # Force Upper Case for make numbers
   def make=(val)
-    # The to_s is in case you get nil/non-string
-    write_attribute(:make, val.to_s.titleize)
+    super(val.to_s.strip)
   end
 
-  # Force Upper Case for model numbers
   def model=(val)
-    # The to_s is in case you get nil/non-string
-    write_attribute(:model, val.to_s.titleize)
+    super(val.to_s.strip)
   end
 
-  # needed for redmine's search and event system, but we don't want to tie vehicles to projects
+  # Redmine compatibility shim
   def project
     nil
   end
 
-  # search for a vehicle by vin, make, model, or year
   def self.search(query)
-    q = sanitize_sql_like(query)
-    where("vin LIKE ? OR make LIKE ? OR model LIKE ? OR year LIKE ?", "%#{q}%", "%#{q}%", "%#{q}%", "%#{q}%") 
+    q = "%#{sanitize_sql_like(query)}%"
+    where( "vin LIKE :q OR make LIKE :q OR model LIKE :q OR year LIKE :q", q: q)
   end
 
   # Override the defult redmine seach method to rank results by id
   def self.search_result_ranks_and_ids(tokens, user, project = nil, options = {})
     return {} if tokens.blank?
-
     scope = self.all
-
     tokens.each do |token|
       scope = scope.search(token)
     end
-
     ids = scope.distinct.limit(options[:limit] || 100).pluck(:id)
     ids.index_with { |id| id }
   end
 
-  # returns a human readable string
   def to_s
-    if year.nil? or make.nil? or model.nil?
-      return "#{vin}"
-    else
-      split_vin = vin.scan(/.{1,9}/)
-      return "#{year} #{make} #{model} - #{split_vin[1]}"
-    end
-  end
-
-  # Force Upper Case & strip VIN of all illegal chars (for barcode scanner)
-  def vin=(val)
-    val = val.to_s.upcase.gsub(/[^A-HJ-NPR-Za-hj-npr-z\d]+/,"")
-    write_attribute(:vin, val)
+    return vin if year.blank? || make.blank? || model.blank?
+    suffix = vin.to_s[9..] || vin
+    "#{year} #{make} #{model} - #{suffix}"
   end
 
   private
 
-  # init method to pull JSON details from NHTSA
-  def get_details
-    if self.vin?
-      #validate the vin before calling a remote server
-      validation = NhtsaVin.validate(self.vin)
-      begin
-        #if the vin validation failed, raise an exception and exit
-        raise RuntimeError, validation.error unless validation.valid?
-        # query NHTSA for details on the vin
-        query = NhtsaVin.get(self.vin)
-        raise RuntimeError, query.error unless query.valid?
-        @details = query.response
-      rescue Exception => e
-        errors.add(:vin, e.message)
-      end
-    end
+  def enqueue_vin_decode
+    VehicleVinDecodeJob.perform_later(id)
   end
 
+  def normalize_vin
+    return if vin.blank?
+    cleaned = vin.to_s.upcase.gsub(/[^A-HJ-NPR-Z\d]/, "")
+    self.vin = cleaned
+  end
+
+  def log(msg)
+    Rails.logger.info "[Vehicle] #{msg}"
+  end
 end

app/services/vin_decoder.rb

@@ -0,0 +1,49 @@
+#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.
+
+class VinDecoder
+  Result = Struct.new(:success?, :data, :error)
+
+  def self.call(vin)
+    new(vin).call
+  end
+
+  def initialize(vin)
+    @vin = vin
+  end
+
+  def call
+    log "Decoding VIN"
+    validation = NhtsaVin.validate(@vin)
+    return failure(validation.error) unless validation.valid?
+
+    query = NhtsaVin.get(@vin)
+    return failure(query.error) unless query.valid?
+
+    success(query.response)
+  rescue StandardError => e
+    failure(e.message)
+  end
+
+  private
+
+  def success(data)
+    Result.new(true, data, nil)
+  end
+
+  def failure(error)
+    log "VIN decode failed for #{@vin}: #{error}"
+    Result.new(false, nil, error)
+  end
+
+  def log(msg)
+    Rails.logger.info "[VinDecoder] #{msg}"
+  end
+end

app/views/vehicles/_form.html.erb

@@ -6,7 +6,7 @@
         <div class="clearfix">
           <%=t(:field_customer)%>:
           <div class="input">
-            <%= f.autocomplete_field :customer, autocomplete_customer_name_customers_path, value: @customer.name, update_elements: {id: '#customer_id', value: '#issue_customer'}, required: true %>
+            <%= f.text_field :customer, class: "customer-name", autocomplete: "off", value: @customer.name, required: true,data: { autocomplete_url: "/customers/autocomplete" } %>
             <%= f.hidden_field :customer_id, id: "customer_id", value: @customer.id %>
           </div>
         </div>

app/views/vehicles/show.html.erb

@@ -1,5 +1,15 @@
 <h2><%=t(:field_vehicle)%> #<%=@vehicle.id%></h2>
 
+<% unless @vehicle.vin_decoded? %>
+  <div id="vin-status" class="flash <%= @vehicle.error ? "error" : "notice" %>">
+    <% if @vehicle.error%>
+      <%= @vehicle.error %>
+    <% else %>
+      <%= t :notice_decoding_vin %>
+    <% end %>
+  </div>
+<% end %>
+
 <%= render partial: 'vehicles/details', locals: {vehicle: @vehicle} %>
 
 <div class="splitcontent">
@@ -14,10 +24,81 @@
     </div>
 </div>
 
-<h3><%=@issues.open.count%> <%=t(:label_open_issues)%></h3>
+<h3><%=@open_issues.count%> <%=t(:label_open_issues)%></h3>
 
-<%= render partial: 'issues/list_simple', locals: {issues: @issues.open} %>
+<%= render partial: 'issues/list_simple', locals: {issues: @open_issues} %>
 
 <h3><%=@closed_issues.count%> <%=t(:label_closed_issues)%></h3>
 
 <%= render partial: 'issues/list_simple', locals: {issues: (@closed_issues)} %>
+
+<script>
+  (function() {
+    const vehicleId = <%= @vehicle.id %>;
+    const alreadyDecoded = <%= @vehicle.vin_decoded? ? 'true' : 'false' %>;
+
+    if (alreadyDecoded) return;
+
+    const interval = 3000;
+    let attempts = 0;
+    const maxAttempts = 40;
+
+    const statusEl = document.getElementById("vin-status");
+
+    const checkStatus = () => {
+      fetch(`/vehicles/${vehicleId}/status`, {
+        headers: { 'Accept': 'application/json' }
+      })
+        .then(res => res.json())
+        .then(data => {
+
+          // SUCCESS → reload
+          if (data.decoded) {
+            window.location.reload();
+            return;
+          }
+
+          // ERROR → stop + show message
+          if (data.error) {
+            clearInterval(timer);
+
+            if (statusEl) {
+              statusEl.classList.remove("notice");
+              statusEl.classList.add("error");
+              statusEl.textContent = data.error;
+            }
+
+            console.warn("VIN decode failed:", data.error);
+            return;
+          }
+
+          // continue polling
+          attempts++;
+          if (attempts >= maxAttempts) {
+            clearInterval(timer);
+
+            if (statusEl) {
+              statusEl.classList.remove("notice");
+              statusEl.classList.add("warning");
+              statusEl.textContent = "VIN decode timed out. Please refresh or try again.";
+            }
+
+            console.warn("VIN decode polling timed out");
+          }
+        })
+        .catch(err => {
+          clearInterval(timer);
+
+          if (statusEl) {
+            statusEl.classList.remove("notice");
+            statusEl.classList.add("error");
+            statusEl.textContent = "Error checking VIN status.";
+          }
+
+          console.error("Polling error:", err);
+        });
+    };
+
+    const timer = setInterval(checkStatus, interval);
+  })();
+</script>

assets/javascripts/copy.js

@@ -12,6 +12,11 @@ async function handleCopy(event) {
     link = event.target;
   }
 
+  // If the text is already "Copied!", don't do anything
+  if (text == "Copied!") {
+    return;
+  }
+
   try {
     // Write to clipboard
     await navigator.clipboard.writeText(text);

config/locales/en.yml

@@ -31,6 +31,7 @@ en:
   label_search_vehicles: "Search Vehicles"
   label_year: "Year"
   no_customer: "Customer no longer exists"
+  notice_decoding_vin: "Decoding VIN… this page will update automatically."
   notice_vehicle_created: "Vehicle was successfully created."
   notice_vehicle_deleted: "Vehicle was successfully deleted."
   notice_vehicle_updated: "Vehicle was successfully updated."

config/routes.rb

@@ -15,4 +15,8 @@ resources :customers do
 end
 
 #allow for just vehicles too
-resources :vehicles
+resources :vehicles do
+  member do
+    get :status
+  end
+end

db/migrate/004_add_polling_and_indexes.rb

@@ -0,0 +1,29 @@
+#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.
+
+class AddPollingAndIndexes < ActiveRecord::Migration[7.0]
+  
+  def change
+    add_column :vehicles, :vin_decoded, :boolean, default: false, null: false
+    add_column :vehicles, :error, :string
+    add_index :vehicles, :vin_decoded
+    add_index :vehicles, :vin, unique: true
+    add_index :vehicles, :make
+    add_index :vehicles, :model
+    add_index :vehicles, :year
+
+    Vehicle.find_each.with_index do |vehicle, index|
+      VehicleVinDecodeJob
+        .set(wait: (index / 50).minutes)
+        .perform_later(vehicle.id)
+    end
+  end
+
+end

init.rb

@@ -14,14 +14,14 @@ Redmine::Plugin.register :redmine_qbo_vehicles do
   name 'Redmine QBO Vehicles plugin'
   author 'Rick Barrette'
   description 'This is a plugin for Redmine to intergrate with the redmine_qbo plugin to provide vehicle data tracking'
-  version '2026.2.8'
+  version '2026.3.4'
   url 'https://github.com/rickbarrette/redmine_qbo_vehicles'
   author_url 'https://barrettefabrication.com'
   requires_redmine version_or_higher: '6.1.0'
 
   # Ensure redmine_qbo is installed
   begin
-    requires_redmine_plugin :redmine_qbo, version_or_higher: '2026.1.2'
+    requires_redmine_plugin :redmine_qbo, version_or_higher: '2026.3.13'
   rescue Redmine::PluginNotFound
     raise 'Please install the redmine_qbo plugin (https://github.com/rickbarrette/redmine_qbo)'
   end
@@ -41,10 +41,4 @@ Redmine::Plugin.register :redmine_qbo_vehicles do
 
 end
 
-# Dynamically load all Hooks & Patches recursively
-base_dir = File.join(File.dirname(__FILE__), 'lib')
-
-# '**' looks inside subdirectories, '*.rb' matches Ruby files
-Dir.glob(File.join(base_dir, '**', '*.rb')).sort.each do |file|
-  require file
-end
+RedmineQboVehicles.setup

lib/redmine_qbo_vehicles.rb

@@ -0,0 +1,22 @@
+#The MIT License (MIT)
+#
+#Copyright (c) 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 RedmineQboVehicles
+  def self.setup
+    Issue.prepend Vehicles::Patches::IssuePatch
+    Customer.prepend Vehicles::Patches::CustomerPatch
+
+    Vehicles::Hooks::CustomerShowHookListener
+    Vehicles::Hooks::IssuesFormHookListener
+    Vehicles::Hooks::IssuesShowHookListener
+    Vehicles::Hooks::PdfHookListener
+    Vehicles::Hooks::ViewHookListener
+  end
+end

lib/vehicles/hooks/invoice_hook_listener.rb

@@ -1,63 +0,0 @@
-#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]
-
-        # 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

lib/vehicles/patches/customer_patch.rb

@@ -14,16 +14,12 @@ module Vehicles
     # Patches Redmine QBO Customer dynamically.
     # Adds a relationship for vehicle ownership by customers
     module CustomerPatch
+      extend ActiveSupport::Concern
 
-      ActiveSupport.on_load(:active_record) do
-
-        Customer.class_eval do
+      prepended do
         has_many :vehicles
       end
       
     end
-
-    end
-
   end
 end

lib/vehicles/patches/issue_patch.rb

@@ -8,23 +8,18 @@
 #
 #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.
 
-require_dependency 'issue'
-
 module Vehicles
   module Patches
 
     # Patches Redmine's Issues dynamically.
     # Adds a relationship for attahcing a vehilce to an issue
     module IssuePatch
+      extend ActiveSupport::Concern
 
-      ActiveSupport.on_load(:active_record) do
-        
-        Issue.class_eval do
+      prepended do
         belongs_to :vehicle
       end
       
     end
-
-    end
   end  
 end