adicionado CRUD de backlogs

app/assets/javascripts/projects.js.coffee

@@ -1,3 +1,5 @@
 # Place all the behaviors and hooks related to the matching controller here.
 # All this logic will automatically be available in application.js.
 # You can use CoffeeScript in this file: http://coffeescript.org/
+
+

app/controllers/backlogs_controller.rb

@@ -4,7 +4,7 @@ class BacklogsController < ApplicationController
   # GET /backlogs
   # GET /backlogs.json
   def index
-    @backlogs = Backlog.all
+    @backlogs = Backlog.all.order
   end
 
   # GET /backlogs/1
@@ -27,7 +27,12 @@ def edit
   # POST /backlogs
   # POST /backlogs.json
   def create
+
     @backlog = Backlog.new(backlog_params)
+
+    # adiciona o backlog no final da lista
+    p = Project.find params[:project_id]
+    @backlog.position = (p.get_last_backlog_position + 1)
 
     respond_to do |format|
       if @backlog.save
@@ -64,6 +69,21 @@ def destroy
       format.json { head :no_content }
     end
   end
+
+  def sort
+
+    ids = params[:backlogs]
+    position = 0
+
+    ids.each do |id|
+      b = Backlog.find id
+      b.update_attribute(:position, position)
+      position = position + 1
+    end
+
+    render :nothing => true, :status => 200
+
+  end
 
   private
     # Use callbacks to share common setup or constraints between actions.

app/models/project.rb

@@ -1,3 +1,8 @@
 class Project < ActiveRecord::Base
-  has_many :backlogs, dependent: :destroy
+  has_many :backlogs, -> { order "position ASC" }, dependent: :destroy
+
+  def get_last_backlog_position
+    backlogs.maximum(:position)
+  end
+
 end

app/views/backlogs/index.html.erb

@@ -1,5 +1,5 @@
 <%- model_class = Backlog -%>
-<table class="table table-striped">
+<table id="backlogs" class="table table-striped">
   <thead>
     <tr>
       <th>Backlog</th>
@@ -9,7 +9,7 @@
   </thead>
   <tbody>
     <% @backlogs.each do |backlog| %>
-      <tr>
+      <tr id="<%= backlog.id %>">
         <td><%= backlog.title %></td>
         <td><%= to_br_date(backlog.created_at) %></td>
         <td>

app/views/projects/show.html.erb

@@ -38,3 +38,21 @@
 <div id="create-backlog" style="display: none;">
   <%= render template: 'backlogs/new' %>
 </div>
+
+<%= javascript_tag do %>
+
+  $(document).ready(function() {
+    $("#backlogs").tableDnD({
+      onDrop: function(table, row) {
+        $.ajax({
+          type: "POST",
+          url: "<%= sort_backlogs_project_path @project %>",
+          processData: false,
+          data: $.tableDnD.serialize(),
+          success: function(msg) {
+          }
+        });
+      }
+    });
+  });
+  <% end %>

config/routes.rb

@@ -2,7 +2,11 @@
 
   resources :projects do
     resources :backlogs
+    member do
+      post 'sort-backlogs' => 'backlogs#sort', :as => 'sort_backlogs'
+    end
   end
+
 
   # The priority is based upon order of creation: first created -> highest priority.
   # See how all your routes lay out with "rake routes".

db/migrate/20131125220515_add_position_to_backlogs.rb

@@ -0,0 +1,7 @@
+class AddPositionToBacklogs < ActiveRecord::Migration
+
+  def change
+    add_column :backlogs, :position, :integer, :default => 0
+  end
+
+end

db/schema.rb

@@ -11,14 +11,15 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20131123183728) do
+ActiveRecord::Schema.define(version: 20131125220515) do
 
   create_table "backlogs", force: true do |t|
     t.string   "title",       limit: 64
     t.text     "description"
     t.integer  "project_id"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.integer  "position",               default: 0
   end
 
   add_index "backlogs", ["project_id"], name: "index_backlogs_on_project_id", using: :btree