Fixed default sort and added migration for shop_id => Integer

Gemfile.lock

@@ -162,7 +162,6 @@ GEM
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
     rake (10.0.4)
-    rb-fsevent (0.9.3)
     rdoc (3.12.2)
       json (~> 1.4)
     rspec (2.8.0)
@@ -242,7 +241,6 @@ DEPENDENCIES
   pg
   pry (~> 0.9.8)
   rails (= 3.2.13)
-  rb-fsevent
   rspec-rails (~> 2.8.1)
   shoulda-matchers (~> 1.0.0)
   spork

app/components/bikes.rb

@@ -33,6 +33,10 @@ class Bikes < Netzke::Basepack::Grid
                                            }
       }
     ]
+
+    # Default the sorting to ASC on shop_id
+    c.data_store.sorters = [{ property: 'shop_id', direction: 'ASC' }]
+
     @bike = Bike.all
     c.prohibit_update = true if cannot? :update, @bike
     c.prohibit_create = true if cannot? :create, @bike

app/models/bike.rb

@@ -12,9 +12,7 @@ class Bike < ActiveRecord::Base
   belongs_to :bike_condition
   belongs_to :bike_purpose
 
-  default_scope order('shop_id ASC')
+  validates :shop_id, :presence => true, :uniqueness => true, :numericality => { :only_integer => true }
-
-  validates :shop_id, :presence => true, :uniqueness => true, :length => { :minimum => 3 }
   validates :serial_number, :length => { :minimum => 3 }
   validates :model, :length => { :maximum => 50 }
   validates :bike_brand_id, :presence => true

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130902201853) do
+ActiveRecord::Schema.define(:version => 20131019023429) do
 
   create_table "bike_actions", :force => true do |t|
     t.string   "action",     :limit => 128, :null => false
@@ -60,12 +60,10 @@ ActiveRecord::Schema.define(:version => 20130902201853) do
     t.integer  "bike_purpose_id",   :null => false
     t.datetime "created_at",        :null => false
     t.datetime "updated_at",        :null => false
-    t.string   "shop_id"
     t.string   "model"
+    t.integer  "shop_id"
   end
 
-  add_index "bikes", ["shop_id"], :name => "index_bikes_on_shop_id", :unique => true
-
   create_table "credit_conversions", :force => true do |t|
     t.integer  "conversion", :default => 1
     t.datetime "created_at",                :null => false

spec/factories/bikes.rb

@@ -2,9 +2,7 @@
 
 FactoryGirl.define do
   factory :bike do
-    sequence :shop_id do |n|
+    sequence(:shop_id) {|n| n}
-      "Shop ID #{n}"
-    end
     sequence :serial_number do |n|
       "S/N# #{n}"
     end