Canceling a deletion

Gemfile

gem 'paranoia'

index.html.erb

<ul>
  <% @items.each do |item| %>
    <li>
      <%= item.name %> 
      <%= link_to 'Delete', item, class: 'delete' %>
    </li>
  <% end %>
</ul>

item.rb

class Item < ActiveRecord::Base
  acts_as_paranoid
end

items.js.coffee

restoreLink = (href) ->
  a = document.createElement('a')
  a.className = 'restore'
  a.href = href
  a.innerText = 'Restore'
  a

deleteLink = (href) ->
  a = document.createElement('a')
  a.className = 'delete'
  a.href = href
  a.innerText = 'Delete'
  a

$(document).on 'click', 'a.delete', (e) ->
  e.preventDefault()
  $.ajax
    type: 'DELETE'
    url: @href
    dataType: 'json'
    success: =>
      @parentElement.replaceChild restoreLink("#{@href}/restore"), this

$(document).on 'click', 'a.restore', (e) ->
  e.preventDefault()
  $.ajax
    type: 'PUT'
    url: @href
    dataType: 'json'
    success: =>
      @parentElement.replaceChild deleteLink(@href.replace(/\/restore$/, ''), this

items_controller.rb

class ItemsController < ApplicationController
  before_action :set_item

  def destroy
    @item.destroy
    head :no_content
  end

  def restore
    @item.restore!
    head :no_content
  end

private
  
  def set_item
    @item = Item.find(params[:id])
  end
end

routes.rb

Itembox::Application.routes.draw do
  resources :items do
    put :restore, on: :member
  end
end