Adding versioning

Gemfile

@@ -43,3 +43,7 @@ end
 
 # Use debugger
 # gem 'debugger', group: [:development, :test]
+
+gem 'paper_trail', '>= 3.0.0.beta1'
+
+gem 'gmaps4rails'

Gemfile.lock

@@ -52,6 +52,8 @@ GEM
     mime-types (1.25)
     minitest (4.7.5)
     multi_json (1.8.1)
+    paper_trail (3.0.0.beta1)
+      activerecord (>= 3.0, < 5.0)
     polyglot (0.3.3)
     rack (1.5.2)
     rack-test (0.6.2)
@@ -111,6 +113,7 @@ DEPENDENCIES
   coffee-rails (~> 4.0.0)
   jbuilder (~> 1.2)
   jquery-rails
+  paper_trail (>= 3.0.0.beta1)
   rails (= 4.0.0)
   sass-rails (~> 4.0.0)
   sdoc

app/controllers/application_controller.rb

@@ -2,4 +2,8 @@ class ApplicationController < ActionController::Base
   # Prevent CSRF attacks by raising an exception.
   # For APIs, you may want to use :null_session instead.
   protect_from_forgery with: :exception
+
+  def info_for_paper_trail
+    { :whodunnit => request.remote_ip }
+  end
 end

app/models/space.rb

@@ -1,2 +1,3 @@
 class Space < ActiveRecord::Base
+  has_paper_trail
 end

app/views/spaces/_form.html.erb

@@ -16,8 +16,8 @@
     <%= f.text_field :name %>
   </div>
   <div class="field">
-    <%= f.label :type %><br>
+    <%= f.label :category %><br>
-    <%= f.text_field :type %>
+    <%= f.text_field :category %>
   </div>
   <div class="field">
     <%= f.label :address %><br>

app/views/spaces/_space.html.erb

@@ -0,0 +1,40 @@
+
+<p>
+  <strong>Name:</strong>
+  <%= space.name %>
+</p>
+
+<p>
+  <strong>Category:</strong>
+  <%= space.category %>
+</p>
+
+<p>
+  <strong>Address:</strong>
+  <%= space.address %>
+</p>
+
+<p>
+  <strong>Hours:</strong>
+  <%= space.hours %>
+</p>
+
+<p>
+  <strong>Phone:</strong>
+  <%= space.phone %>
+</p>
+
+<p>
+  <strong>Email:</strong>
+  <%= space.email %>
+</p>
+
+<p>
+  <strong>Website:</strong>
+  <%= space.website %>
+</p>
+
+<p>
+  <strong>Description:</strong>
+  <%= space.description %>
+</p>

app/views/spaces/index.html.erb

@@ -4,7 +4,7 @@
   <thead>
     <tr>
       <th>Name</th>
-      <th>Type</th>
+      <th>Category</th>
       <th>Address</th>
       <th>Hours</th>
       <th>Phone</th>
@@ -21,7 +21,7 @@
     <% @spaces.each do |space| %>
       <tr>
         <td><%= space.name %></td>
-        <td><%= space.type %></td>
+        <td><%= space.category %></td>
         <td><%= space.address %></td>
         <td><%= space.hours %></td>
         <td><%= space.phone %></td>

app/views/spaces/show.html.erb

@@ -1,44 +1,18 @@
 <p id="notice"><%= notice %></p>
 
-<p>
+<%= render partial: "space", locals: {space: @space} %>
-  <strong>Name:</strong>
-  <%= @space.name %>
-</p>
-
-<p>
-  <strong>Type:</strong>
-  <%= @space.type %>
-</p>
-
-<p>
-  <strong>Address:</strong>
-  <%= @space.address %>
-</p>
-
-<p>
-  <strong>Hours:</strong>
-  <%= @space.hours %>
-</p>
-
-<p>
-  <strong>Phone:</strong>
-  <%= @space.phone %>
-</p>
-
-<p>
-  <strong>Email:</strong>
-  <%= @space.email %>
-</p>
-
-<p>
-  <strong>Website:</strong>
-  <%= @space.website %>
-</p>
-
-<p>
-  <strong>Description:</strong>
-  <%= @space.description %>
-</p>
 
 <%= link_to 'Edit', edit_space_path(@space) %> |
 <%= link_to 'Back', spaces_path %>
+
+<h3>Revision history</h3>
+<dl>
+<% @space.versions.each do |v| %>
+  <dt><b><%= v.event.capitalize %> <%= v.created_at %> <%= v.whodunnit if v.whodunnit %></b></dt>
+  <dd>
+    <% if v.reify %>
+      <%= render partial: "space", locals: {space: v.reify} %>
+    <% end %>
+  </dd>
+<% end %>
+</dl>

db/migrate/20131009050712_create_spaces.rb

@@ -2,7 +2,7 @@ class CreateSpaces < ActiveRecord::Migration
   def change
     create_table :spaces do |t|
       t.string :name
-      t.string :type
+      t.string :category
       t.string :address
       t.string :hours
       t.string :phone

db/migrate/20131009051102_create_versions.rb

@@ -0,0 +1,18 @@
+class CreateVersions < ActiveRecord::Migration
+  def self.up
+    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
+      t.datetime :created_at
+    end
+    add_index :versions, [:item_type, :item_id]
+  end
+
+  def self.down
+    remove_index :versions, [:item_type, :item_id]
+    drop_table :versions
+  end
+end

db/schema.rb

@@ -11,11 +11,11 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20131009050712) do
+ActiveRecord::Schema.define(version: 20131009051102) do
 
   create_table "spaces", force: true do |t|
     t.string   "name"
-    t.string   "type"
+    t.string   "category"
     t.string   "address"
     t.string   "hours"
     t.string   "phone"
@@ -26,4 +26,15 @@ ActiveRecord::Schema.define(version: 20131009050712) do
     t.datetime "updated_at"
   end
 
+  create_table "versions", force: true 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"
+    t.datetime "created_at"
+  end
+
+  add_index "versions", ["item_type", "item_id"], name: "index_versions_on_item_type_and_item_id"
+
 end