passing data json in rails coffeescript and ajax

Question

I tried different ways to retrieve json-data unsuccessfully

my order.js.coffee

 $.ajax(
  url: "/orders/", // want "/orders/1"  
  dataType: "JSON"    
 ).done (data) ->
   console.log data.status

my controller:

class OrdersController < ApplicationController
respond_to :json, :js, :html


def show
  @order = Order.find(params[:id])
  respond_with @order
end
....

my show.json.jbuilder

json.extract! @order, :id, :status

and here my route:

get '/orders/:id', to: 'orders#show', defaults: {format: :json}
resources :orders, only: [:new, :create]
...

I got a lot of errors with different approach.

Started GET "/orders/" for 127.0.0.1 at 2014-10-07 01:07:36 +0200

ActionController::RoutingError (No route matches [GET] "/orders"):

or

ERROR bad URI `/orders/%3C%=%20order.id%20%%3E'

Where do you expect to get your id from in your CoffeeScript? Is your order.js.coffee supposed to be order.js.coffee.erb perhaps? — mu is too short
– mu is too short, Commented Oct 7, 2014 at 0:54
why would you expect to 1) be able to evaluate erb in you coffeescript that is loaded outside the context of the controller and 2) expect that making a get request to the index action would do anything when you expressly limit the orders action to new and create actions in the controller? — Jed Schneider
– Jed Schneider, Commented Oct 7, 2014 at 11:07
@JedSchneider my fault, I want to get request to show action not to the index, but I don't know how :( I want a request like: url: "/orders/1 where 1 is a parameter that I want to pass from the show action — user3832640
– user3832640, Commented Oct 7, 2014 at 11:56
@JedSchneider I did not explain myself well. Example: url: "/orders/1 but 1 is a parameter that change at every new order. In other word I need something like this: /orders/:id, thanks for your time. — user3832640
– user3832640, Commented Oct 7, 2014 at 17:46

user3832640 · Accepted Answer · 2014-10-12 19:21:07Z

3

I've found one solution, maybe not the better solution but it works...

in order.js.coffee

id = $('#status_id').attr('data-id')
$.ajax
url: "/orders/#{id}"
type: "GET"
success: (data) ->    
  console.log(data)

in the partial:

<div id="status_id" data-id="<%= @order.id %>">

answered Oct 12, 2014 at 19:21

user3832640

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