fix code convention

app/controllers/home_controller.rb

 class HomeController < ApplicationController
   def index
-  	@products = Product.all
+    @products = Product.all
   end
 end

app/controllers/products_controller.rb

@@ -3,34 +3,33 @@ class ProductsController < ApplicationController
   #before_filter :correct_user,   only: :destroy
 
   #def show
-	#@item = Product.find(params[:id])
+  #@item = Product.find(params[:id])
   #end
   def index
     @item = Product.find(:all)
-	#@items = Product.all.select do |i|
-  	#  i.category==params[:id]
-	#end
+  #@items = Product.all.select do |i|
+    #i.category==params[:id]
+  #end
   end
   def new
-	@item= Product.new
-	render layout: "another_layout"
+  @item= Product.new
+  render layout: "another_layout"
   end
   def create
     @item = current_user.items.new(params[:item])
     if @item.save
-   	  flash[:success] = "Your item has successfully posted!"
+      flash[:success] = "Your item has successfully posted!"
       redirect_to current_user, layout: "another_layout"
     else
       render 'new', layout: "another_layout"
     end
   end
+
   def destroy
     @item.destroy
     redirect_to current_user
   end
 
-   private
-
   def correct_user
     @item = current_user.items.find_by_id(params[:id])
     redirect_to root_url if @item.nil?

app/views/categories/show.html.erb

 <div class="span9 categories">
-
   <% @items_of_category.each do |i| %>
     <div class="span5 center">
         <h4><%= i.name%></h4>

app/views/layouts/_sidebar.html.erb

 <div class="span3">
   <div class="sidebar-nav-fixed">
     <div class="well">         
-        <ul class="nav nav-list">
-
-	      <li class="nav-header">Category</li>
-	      <!--% category_list.each do |cat| %-->
-	      <li><a href='/categories/<%= cat.id%>'><%=cat.name%></a></li>
-	      <%end%>
-    	</ul>
+      <ul class="nav nav-list">
+        <li class="nav-header">Category</li>
+        <!--% category_list.each do |cat| %-->
+        <li><a href='/categories/<%= cat.id%>'><%=cat.name%></a></li>
+        <!--%end%-->
+      </ul>
     </div><!--/.well -->
   </div> <!--/sidebar-nav-fixed -->
 </div><!--/span-->
\ No newline at end of file

app/views/products/show.html.erb

 <div class="span8 center">
-
-  <h3>Name: </h3><%= @item.name%><br><br>
- 
+  <h3>Name: </h3><%= @product.name%><br><br>
 </div><!--/span-->
\ No newline at end of file

db/schema.rb

@@ -15,7 +15,7 @@ ActiveRecord::Schema.define(version: 20150721071537) do
 
   create_table "categories", force: :cascade do |t|
     t.string   "name",        limit: 255
-    t.string   "description", limit: 255
+    t.string   "description", limit: 65535
     t.string   "image",       limit: 255
     t.datetime "created_at",              null: false
     t.datetime "updated_at",              null: false
@@ -25,7 +25,7 @@ ActiveRecord::Schema.define(version: 20150721071537) do
     t.string   "name",        limit: 255
     t.string   "image",       limit: 255
     t.integer  "price",       limit: 4
-    t.string   "description", limit: 255
+    t.string   "description", limit: 65535
     t.integer  "category_id", limit: 4
     t.datetime "created_at",              null: false
     t.datetime "updated_at",              null: false

lib/import_amazon.rb

@@ -33,15 +33,15 @@ class ImportAmazon
   end
 
   def get_response(page)
-      response = @request.item_search(
-        query: {
-          'Keywords' => '*',
-          'SearchIndex' => 'Blended',
-          'ResponseGroup' => 'Medium',
-          'ItemPage' => page,
-          }
-        )
+    response = @request.item_search(
+      query: {
+        'Keywords' => '*',
+        'SearchIndex' => 'Blended',
+        'ResponseGroup' => 'Medium',
+        'ItemPage' => page,
+        }
+      )
     response.to_h["ItemSearchResponse"].to_h["Items"].to_h["Item"]    
   end
-  
+
 end
\ No newline at end of file

lib/tasks/import_product.rake

-  namespace :products do
-    desc 'Get products'
+namespace :products do
+  desc 'Get products'
     task import: :environment do
       ImportAmazon.new.import_product
     end
-  end
+end

test/controllers/home_controller_test.rb

@@ -6,4 +6,4 @@ class HomeControllerTest < ActionController::TestCase
     assert_response :success
   end
 
-end
+end
\ No newline at end of file