working on task tree

app/controllers/tasks_controller.rb

@@ -15,7 +15,7 @@ class TasksController < ApplicationController
   # GET /tasks
   # GET /tasks.xml
   def index
-    @tasks = Task.all
+    @tasks = Task.parents.paginate(:per_page => 30, :page => params[:page], :include => :project)
 
     respond_to do |format|
       format.html # index.html.erb
@@ -26,11 +26,11 @@ class TasksController < ApplicationController
   # GET /tasks/1
   # GET /tasks/1.xml
   def show
-    @task = Task.find(params[:id])
-
+    @task = Task.find(params[:id], :include => :tasks)
+    @tasks = @task.tasks
     respond_to do |format|
       format.html # show.html.erb
-      format.xml  { render :xml => @task }
+      format.xml  { render :xml => @task, :include => :tasks }
     end
   end
 
@@ -38,7 +38,7 @@ class TasksController < ApplicationController
   # GET /tasks/new.xml
   def new
     @task = Task.new
-
+    @task.parent = params[:parent].nil? ? nil : params[:parent]
     respond_to do |format|
       format.html # new.html.erb
       format.xml  { render :xml => @task }

app/models/task.rb

@@ -2,6 +2,8 @@ class Task < ActiveRecord::Base
   belongs_to :project
   has_many :tasks, :foreign_key => :parent
   
+  named_scope :parents, :conditions => {:parent => nil}
+  
   validates_presence_of :name, :description, :project_id
   validates_associated :project
 end

app/views/tasks/_task_list.html.erb

@@ -0,0 +1,25 @@
+<% unless @tasks.empty? %>
+	<table class='task_list'>
+	  <tr>
+	    <th>Name</th>
+	    <th>Project</th>
+	    <th>Description</th>
+	    <th>Children</th>
+	  </tr>
+
+	<% @tasks.each do |task| %>
+	  <tr class="<%= cycle(:even, :odd)%>">
+	    <td><%=h task.name %></td>
+	    <td><%= link_to h(task.project.name), project_path(task.project) %></td>
+	    <td><%=h task.description %></td>
+	    <td><%=h task.tasks.size %></td>
+	    <td><%= link_to 'Show', project_task_path(@project, task) %></td>
+	    <td><%= link_to 'Edit', edit_project_task_path(@project, task) %></td>
+	    <td><%= link_to 'Destroy', project_task_path(@project, task), :confirm => 'Are you sure?', :method => :delete %></td>
+	  </tr>
+	<% end %>
+	</table>
+<% else %>
+ <p> No Dependet Tasks </p>
+<p><%= link_to 'Create One', new_project_task_path(@project, :parent => @task.id) %>
+<% end %>

app/views/tasks/index.html.erb

@@ -1,26 +1,8 @@
 <h1>Listing tasks</h1>
 
-<table>
-  <tr>
-    <th>Name</th>
-    <th>Project</th>
-    <th>Description</th>
-    <th>Parent</th>
-  </tr>
+<%= render :partial => 'task_list' %>
 
-<% @tasks.each do |task| %>
-  <tr>
-    <td><%=h task.name %></td>
-    <td><%= link_to h(task.project.name), project_path(task.project) %></td>
-    <td><%=h task.description %></td>
-    <td><%=h task.parent %></td>
-    <td><%= link_to 'Show', project_task_path(@project, task) %></td>
-    <td><%= link_to 'Edit', edit_project_task_path(@project, task) %></td>
-    <td><%= link_to 'Destroy', project_task_path(@project, task), :confirm => 'Are you sure?', :method => :delete %></td>
-  </tr>
-<% end %>
-</table>
 
 <br />
-
+<%= will_paginate @tasks %>
 <%= link_to 'New task', new_project_task_path(@project) %>

app/views/tasks/new.html.erb

@@ -12,10 +12,7 @@
     <%= f.text_area :description %>
   </p>
   <p>
-    <%= f.label :parent %><br />
-    <%= f.text_field :parent %>
-  </p>
-  <p>
+	  <%= f.hidden_field :parent %>
     <%= f.submit 'Create' %>
   </p>
 <% end %>

app/views/tasks/show.html.erb

@@ -18,6 +18,8 @@
   <%=h @task.parent %>
 </p>
 
+<%= render :partial => 'task_list' %>
+
 
 <%= link_to 'Edit', edit_project_task_path(@project, @task) %> |
-<%= link_to 'Back', project_tasks_path(@project) %>
+<%= link_to 'Back', project_tasks_path(@project) %>

config/database.yml

@@ -1,19 +1,20 @@
-# SQLite version 3.x
-#   gem install sqlite3-ruby (not necessary on OS X Leopard)
 development:
-  adapter: sqlite3
-  database: db/development.sqlite3
+  adapter: mysql
+  database: collab_development
+  username: root
   pool: 5
-  timeout: 5000
+  socket: /tmp/mysql.sock
 
 # Warning: The database defined as "test" will be erased and
 # re-generated from your development database when you run "rake".
 # Do not set this db to the same as development or production.
 test:
-  adapter: sqlite3
-  database: db/test.sqlite3
+  adapter: mysql
+  encoding: utf8
+  database: collab_test
   pool: 5
-  timeout: 5000
+  username: root
+  socket: /tmp/mysql.sock
 
 production:
   adapter: sqlite3

config/environment.rb

@@ -17,9 +17,17 @@ Rails::Initializer.run do |config|
   # Specify gems that this application depends on and have them installed with rake gems:install
   # config.gem "bj"
   # config.gem "hpricot", :version => '0.6', :source => "http://code.whytheluckystiff.net"
-  # config.gem "sqlite3-ruby", :lib => "sqlite3"
+   #config.gem "sqlite3-ruby", :lib => "sqlite3"
   # config.gem "aws-s3", :lib => "aws/s3"
-
+  config.gem 'clearance'
+  config.gem 'will_paginate'
+  config.gem 'factory_girl'
+  config.gem 'paperclip'
+  config.gem 'formtastic'
+  config.gem 'faker'
+  config.gem 'postgres'
+  config.gem 'mysql'
+  
   # Only load the plugins named here, in the order given (default is alphabetical).
   # :all can be used as a placeholder for all plugins not explicitly named
   # config.plugins = [ :exception_notification, :ssl_requirement, :all ]

factories/factory_loader.rb

@@ -0,0 +1,36 @@
+path = File.join(RAILS_ROOT, 'factories')
+require 'factory_girl'
+require File.join(path, 'task_factory')
+require File.join(path, 'project_factory')
+class FactoryLoader 
+  
+  def self.up
+    self.create_projects
+  end
+  
+  def self.down
+    [Task, Project].each {|klass| klass.delete_all}
+  end
+  
+  
+  def self.create_projects
+    101.times do |i|
+      p = Factory.create(:project)
+      self.create_tasks(p)
+    end
+  end
+  
+  def self.create_tasks(project)
+    5.times do |i|
+      task = Factory.create(:task, :project => project)
+      5.times do |n|
+        t = Factory.create(:task, :project => project, :parent => task.id)
+        2.times do |nn|
+          Factory.create(:task, :project => project, :parent => t.id)
+        end
+      end
+    end
+  end
+  
+  
+end

factories/project_factory.rb

@@ -0,0 +1,5 @@
+require 'factory_girl'
+
+Factory.define :project do |f|
+  f.sequence(:name) {|n| "project #{n}"}
+end

factories/task_factory.rb

@@ -0,0 +1,6 @@
+require 'factory_girl'
+require 'faker'
+Factory.define :task do |f|
+  f.sequence(:name) {|n| "task #{n}"}
+  f.description Faker::Lorem.paragraphs(1)
+end

public/stylesheets/style.css

@@ -1,3 +1,7 @@
+* {
+  margin:0;
+  padding:0;
+}
 #flash_error {
   color:red;
 }
@@ -8,4 +12,13 @@
 
 #flash_success {
   color:green;
+}
+
+
+table.task_list tr.odd{
+  background-color:#ddd;
+}
+
+table.task_list tr.even{
+  
 }