Ading a sort by number of tasks option

app/controllers/projects_controller.rb

@@ -186,6 +186,13 @@ class ProjectsController < ApplicationController
     init_not_done_counts(['project'])
   end
   
+  def actionize
+    @state = params['state']
+    @projects = current_user.projects.actionize(:state => @state) if @state
+    @contexts = current_user.contexts
+    init_not_done_counts(['project'])
+  end
+  
   protected
     
   def render_projects_html

app/models/user.rb

@@ -51,6 +51,12 @@ class User < ActiveRecord::Base
                 self.update_positions(projects.map{ |p| p.id })
                 return projects
               end
+              def actionize(scope_conditions = {})
+                projects = find(:all, :conditions => scope_conditions)
+                projects.sort!{ |x,y| y.todos.count(:state == 'active') <=> x.todos.count(:state == 'active') }
+                self.update_positions(projects.map{ |p| p.id })
+                return projects
+              end
             end
   has_many :active_projects,
            :class_name => 'Project',

app/views/projects/_project_state_group.rhtml

@@ -11,9 +11,21 @@
           end
         end
      %></div>
+
+  <div class="tasks_sort">
+    <%= link_to("Sort By number of tasks", actionize_projects_path(:state => state),
+                 :class => "actionize_link", :title => "Sort these projects by number of tasks") %>
+    <%  apply_behavior '.actionize_link:click', :prevent_default => true do |page, element|
+          page.confirming 'Are you sure that you want to sort these projects by the number of tasks? This will replace the existing sort order.' do
+            page << "tasksSort = this.up('.tasks_sort');
+                     tasksSort.startWaiting();"
+            page << remote_to_href(:complete => "tasksSort.stopWaiting()")
+          end
+        end
+     %></div>
   
   <div id="list-<%= state %>-projects" class="project-list">
     <%= render :partial => 'project_listing', :collection => project_state_group %>
   </div>
   <%= sortable_element "list-#{state}-projects", get_listing_sortable_options("list-#{state}-projects") %>
-</div>
+</div>

config/routes.rb

@@ -28,6 +28,10 @@ ActionController::Routing::Routes.draw do |map|
     projects.resources :todos, :name_prefix => "project_"
   end
 
+  map.resources :projects, :collection => {:order => :post, :actionize => :post} do |projects|
+    projects.resources :todos, :name_prefix => "project_"
+  end
+
   map.resources :todos,
                 :member => {:toggle_check => :put, :toggle_star => :put},
                 :collection => {:check_deferred => :post, :filter_to_context => :post, :filter_to_project => :post}