Adding last_ip to Computer model, and updating on successful checkin

app/controllers/computers_controller.rb

@@ -159,6 +159,7 @@ def checkin
       @computer.system_profile.attributes = system_profile_hash
     end
 
+    @computer.last_ip = request.remote_ip
     @computer.save
 
     if @computer.warranty.present? and @computer.serial_number != @computer.warranty.serial_number

app/views/computers/_computer_table.html.erb

@@ -35,8 +35,8 @@
 				<% end %>
 
 				<td><%= image_tag c.icon.url(:small), :class => "thumbnail" if c.icon %></td>
-				<td><%= link_to c.name, computer_path(c.unit, c) %></td>    
-			    <td><%= link_to c.hostname, computer_path(c.unit, c) %></td>
+				<td><%= link_to c.name, computer_path(c.unit, c), title: "Last IP: #{c.last_ip}" %></td>
+			  <td><%= link_to c.hostname, computer_path(c.unit, c) %></td>
 				<td><%= c.mac_address %></td>
 				<td><%= c.last_report_at_time %></td>
 			    <td>

db/migrate/20140522195742_add_last_ip_to_computer.rb

@@ -0,0 +1,5 @@
+class AddLastIpToComputer < ActiveRecord::Migration
+  def change
+    add_column :computers, :last_ip, :string, default: ""
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130418013709) do
+ActiveRecord::Schema.define(:version => 20140522195742) do
 
   create_table "bundle_items", :force => true do |t|
     t.integer  "manifest_id"
@@ -80,6 +80,7 @@
     t.integer  "configuration_id"
     t.string   "shortname"
     t.datetime "last_report_at"
+    t.string   "last_ip",              :default => ""
   end
 
   create_table "configurations", :force => true do |t|