Add papertrail and update schema

Gemfile

@@ -7,6 +7,8 @@ gem 'jsonapi-resources'
 
 gem 'rack-cors', :require => 'rack/cors'
 
+gem 'paper_trail', '~> 4.0.0'
+
 group :production do
   gem 'pg'
 end

Gemfile.lock

@@ -62,6 +62,10 @@ GEM
     minitest (5.8.0)
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
+    paper_trail (4.0.0)
+      activerecord (>= 3.0, < 6.0)
+      activesupport (>= 3.0, < 6.0)
+      request_store (~> 1.1)
     pg (0.18.3)
     pry (0.10.1)
       coderay (~> 1.1.0)
@@ -96,6 +100,7 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rake (10.4.2)
+    request_store (1.2.0)
     rspec-core (3.3.2)
       rspec-support (~> 3.3.0)
     rspec-expectations (3.3.1)
@@ -133,6 +138,7 @@ PLATFORMS
 DEPENDENCIES
   factory_girl_rails (~> 4.0)
   jsonapi-resources
+  paper_trail (~> 4.0.0)
   pg
   pry
   rack-cors

db/migrate/20151014232426_create_versions.rb

@@ -0,0 +1,20 @@
+class CreateVersions < ActiveRecord::Migration
+
+  # The largest text column available in all supported RDBMS is
+  # 1024^3 - 1 bytes, roughly one gibibyte.  We specify a size
+  # so that MySQL will use `longtext` instead of `text`.  Otherwise,
+  # when serializing very large objects, `text` might not be big enough.
+  TEXT_BYTES = 1_073_741_823
+
+  def change
+    create_table :versions do |t|
+      t.string   :item_type, :null => false
+      t.integer  :item_id,   :null => false
+      t.string   :event,     :null => false
+      t.string   :whodunnit
+      t.text     :object,    :limit => TEXT_BYTES
+      t.datetime :created_at
+    end
+    add_index :versions, [:item_type, :item_id]
+  end
+end

db/schema.rb

@@ -11,7 +11,13 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20150921161235) do
+ActiveRecord::Schema.define(version: 20151014232426) do
+
+  create_table "internets", force: :cascade do |t|
+    t.string   "address"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
 
   create_table "locations", force: :cascade do |t|
     t.string   "name"
@@ -43,4 +49,15 @@
   add_index "things", ["location_id"], name: "index_things_on_location_id"
   add_index "things", ["name"], name: "index_things_on_name", unique: true
 
+  create_table "versions", force: :cascade do |t|
+    t.string   "item_type",                     null: false
+    t.integer  "item_id",                       null: false
+    t.string   "event",                         null: false
+    t.string   "whodunnit"
+    t.text     "object",     limit: 1073741823
+    t.datetime "created_at"
+  end
+
+  add_index "versions", ["item_type", "item_id"], name: "index_versions_on_item_type_and_item_id"
+
 end