Rails Delete link is generating a Routing Error

Question

I made a shopping cart and each product has a delete link that generates the following message when clicked:

Routing Error No route matches [GET] "/order_items/8"

The only change between the errors generated by each link is the order_item id.

The code is the following:

<%= link_to "Delete", order_item, { data: { confirm: "Are you sure you wish to delete the product '#{order_item.product.name}' from your cart?" }, method: :delete, remote: true, class: "btn btn-danger" } %>

This is the generated link:

<a data-confirm="Are you sure you wish to delete the product 'Name' from your cart?" class="btn btn-danger" data-remote="true" rel="nofollow" data-method="delete" href="/order_items/8">Delete</a>

This is the relevant data in routes file:

resources :order_items, only: [:create, :update, :destroy]

When clicked, the alert pops up but the log shows this:

DELETE http://localhost:3000/order_items/11 422 (Unprocessable Entity)

What am I missing for the code to work.

Does it really redirect or did you forget to import jquery-ujs (which sends the DELETE http verb) — siegy22
– siegy22, Commented Jul 29, 2016 at 20:57
It is being called from application.js as follows //= require jquery_ujs and the gem jquery-rails is called on the Gemfile. I added the generated HTML in case something is wrong with it. — Jorge Cuevas
– Jorge Cuevas, Commented Jul 29, 2016 at 21:19
@RaVeN you were, right I was not including the application javascript in my layout now the javascript confirmation appears but the log shows this: " DELETE localhost:3000/order_items/8 422 (Unprocessable Entity)" — Jorge Cuevas
– Jorge Cuevas, Commented Jul 29, 2016 at 21:51

Jorge Cuevas · Accepted Answer · 2016-07-29 22:03:14Z

1

I was able to fix this behavior by adding the following line to my layout's head:

<%= csrf_meta_tags %>

answered Jul 29, 2016 at 22:03

Jorge Cuevas

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josh · Accepted Answer · 2016-07-29 21:50:27Z

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An alternative may be to trade out [:delete, order_item] for order_item.

As in:

<%= link_to "Delete", [:delete, order_item], { data: { confirm: "Are you sure you wish to delete the product '#{order_item.product.name}' from your cart?" }, remote: true, class: "btn btn-danger" } %>

answered Jul 29, 2016 at 21:50

josh

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1 Comment

Jorge Cuevas Over a year ago

This results in a No Method Error undefined method delete_order_item_path' for #<#<Class:0x0055af888929b0>:0x0055af8a15c680>

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