distribute items as jsonp

app/controllers/items_controller.rb

@@ -4,9 +4,22 @@ class ItemsController < ApplicationController
   def index
     if params.has_key?(:q)
       begin
-        @results = Item.search(@query).alphabetize.paginate :page => params[:page]
+        if params[:per_page]
+          per_page = params[:per_page].to_i
+          per_page = 50 if per_page && per_page > 50
+        else
+          per_page = nil
+        end
+        @results = Item.search(@query).alphabetize.paginate :page => params[:page], :per_page => per_page
+        respond_to do |format|
+          format.html { render }
+          format.js { render :json => {:items => @results, :total_pages => @results.total_pages}, :callback => params[:callback] }
+        end
       rescue
-        flash.now[:alert] = $!.message
+        respond_to do |format|
+          format.html { flash.now[:error] = $!.message }
+          format.js { render :json => {:error => $!.message}, :status => :bad_request, :callback => params[:callback] }
+        end
       end
     end
   end

app/models/item.rb

@@ -55,6 +55,16 @@ class Item < ActiveRecord::Base
     end
   end
   
+  def as_json(options = {})
+    {
+      :description => description,
+      :id => id,
+      :name => name,
+      :thumbnail_url => thumbnail_url,
+      :zones_restrict => zones_restrict
+    }
+  end
+  
   private
   
   SearchFilterScopes = []

config/routes.rb

@@ -1,5 +1,6 @@
 OpenneoImpressItems::Application.routes.draw do |map|
   match '/' => 'items#index', :as => :items
+  match '/index.js' => 'items#index', :format => :js
   match '/:id' => 'items#show', :as => :item
   
   match '/items/:item_id/swf_assets.json' => 'swf_assets#index', :as => :item_swf_assets