Using Rails default :resources routing to create record with jQuery ajax

Question

In my Rails app, I'm trying to use jQuery ajax to create a new item via the default create method in my controller.

My routes.rb looks like this:

resources :items

The server side code is still as it was generated:

  # POST /items
  # POST /items.json
  def create
    @item = Item.new(params[:item])

    respond_to do |format|
      if @item.save
        format.html { redirect_to @item, :notice => 'Item was successfully created.' }
        format.json { render :json => @item, :status => :created, :location => @item }
      else
        format.html { render :action => "new" }
        format.json { render :json => @item.errors, :status => :unprocessable_entity }
      end
    end
  end

And my JavaScript:

$("#capture_input").focusout(function() { 
    var description = $(this).val(); 

    $.ajax({
      type: "POST",
      url: '/items/create.json',
      data: { 
        item: { 
          description : description
        } 
      },
      dataType: 'json',
      success: function(msg) {
        alert( "Data Saved: " + msg );
      }
    });
  });

This seems really straightforward, but I'm getting the following error:

ActionController::RoutingError (No route matches [POST] "/items/create.json"):

I've been able to use the default update method in a similar situation without any issues. What's the problem here?

EDIT: Fixed typo in routes.rb code.

what do you see when you run rake routes? Do you see the route for items create with POST? — Michal Kuklis
– Michal Kuklis, Commented Nov 13, 2011 at 20:12

Bradley Priest · Accepted Answer · 2011-11-13 20:14:55Z

6

The example lines in your controller give a clue here.

# POST /items
# POST /items.json
def create
...

The create action is simply a POST to /items.json, so you just need to change the URL you are using in your jQuery to '/items.json'.

answered Nov 13, 2011 at 20:14

Bradley Priest

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Comments

davidb · Accepted Answer · 2011-11-13 20:06:44Z

1

Something is either wrong with your example or with your code! You say in routes.rbyou have

resources :workitems

Which means the path would be

/workitems/create.json

But in your script you try to call /items/create.json instead of /workitems/create.json.

I think you should check your routes.rb or your example.

answered Nov 13, 2011 at 20:06

davidb

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