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PORails 3.1 AJAX supported changes not reflected in browser
 

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  1. PORails 3.1 AJAX supported changes not reflected in browser
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    <p>Running Rails 3.1 Ruby 1.92 </p> <p>I am trying to get my shopping cart to update using AJAX. I have the following button in my store front to create a line item</p> <pre><code> &lt;%= button_to " Buy ", line_items_path(product_id: product), remote: true, :class =&gt;"blue-btn" %&gt; </code></pre> <p>and the following create action in my line_items controller</p> <pre><code>def create @cart = current_cart product = Product.find(params[:product_id]) @line_item = @cart.add_product(product.id) respond_to do |format| if @line_item.save format.html { redirect_to store_url,notice: 'your item was added.' } format.js { @current_item = @line_item } format.json { render json: @line_item, status: :created, location: @line_item } </code></pre> <p>lastly i have the following RJS code in a create.js.erb template located in my app/views/line_items directory:</p> <pre><code> $('#cart').html("&lt;%=j render @cart %&gt;"); </code></pre> <p>However when i add items to the cart i have to refresh the page in order to see the updated quantity and total. I checked the server logs after each attempt to add an item to the cart and its showing that it rendered line_items/create.js.erb Ive included the full log below any help would be much appreciated </p> <p>Started POST "/line_items?product_id=1" for 127.0.0.1 at 2013-08-04 14:01:26 -0400 Processing by LineItemsController#create as JS Parameters: {"authenticity_token"=>"2TxUMUloihqhzGHlZrC9YKNPGNhfwZ070lEW64uL0SY=", "product_id"=>"1"} ←[1m←[35mCart Load (1.0ms)←[0m SELECT "carts".* FROM "carts" WHERE "carts"."id" = ? LIMIT 1 [["id", 64]] ←[1m←[36mProduct Load (0.0ms)←[0m ←[1mSELECT "products".* FROM "products" WHERE "products"."id" = ? LIMIT 1←[0m [["id" , "1"]] ←[1m←[35mLineItem Load (0.0ms)←[0m SELECT "line_items".* FROM "line_items" WHERE "line_items"."cart_id" = 64 AND "line_ items"."product_id" = 1 LIMIT 1 ←[1m←[36m (0.0ms)←[0m ←[1mbegin transaction←[0m ←[1m←[35mSQL (1.0ms)←[0m INSERT INTO "line_items" ("cart_id", "created_at", "order_id", "product_id", "quantity", "upda ted_at") VALUES (?, ?, ?, ?, ?, ?) [["cart_id", 64], ["created_at", Sun, 04 Aug 2013 18:01:26 UTC +00:00], ["order_id", n il], ["product_id", 1], ["quantity", 1], ["updated_at", Sun, 04 Aug 2013 18:01:26 UTC +00:00]] ←[1m←[36m (103.3ms)←[0m ←[1mcommit transaction←[0m ←[1m←[35mLineItem Load (1.0ms)←[0m SELECT "line_items".* FROM "line_items" WHERE "line_items"."cart_id" = 64 ←[1m←[36mProduct Load (0.0ms)←[0m ←[1mSELECT "products".* FROM "products" WHERE "products"."id" = 2 LIMIT 1←[0m ←[1m←[35mProduct Load (0.0ms)←[0m SELECT "products".* FROM "products" WHERE "products"."id" = 1 LIMIT 1 Rendered carts/_cart.html.erb (21.0ms) Rendered line_items/create.js.erb (22.0ms) Completed 200 OK in 136ms (Views: 26.0ms | ActiveRecord: 106.3ms)</p>
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