Add delayed job to post requests to tab

Gemfile

@@ -94,3 +94,10 @@ gem 'identicon'
 
 # Slack
 gem 'tarumi'
+
+# Run stuff in the background
+gem 'daemons'
+gem 'delayed_job', '~> 4.0'
+gem 'delayed_job_active_record'
+
+gem 'httparty'

Gemfile.lock

@@ -104,7 +104,13 @@ GEM
       simplecov (~> 0.9.1)
       term-ansicolor (~> 1.3)
       thor (~> 0.19.1)
+    daemons (1.2.3)
     debugger-linecache (1.2.0)
+    delayed_job (4.0.6)
+      activesupport (>= 3.0, < 5.0)
+    delayed_job_active_record (4.0.3)
+      activerecord (>= 3.0, < 5.0)
+      delayed_job (>= 3.0, < 4.1)
     devise (3.4.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -320,9 +326,13 @@ DEPENDENCIES
   codeclimate-test-reporter
   coffee-rails (~> 4.0.0)
   coveralls
+  daemons
+  delayed_job (~> 4.0)
+  delayed_job_active_record
   devise
   factory_girl_rails
   faker (= 1.4.2)
+  httparty
   identicon
   jbuilder (~> 2.0)
   jquery-rails

app/models/order.rb

@@ -10,6 +10,7 @@
 #  cancelled   :boolean          default("f")
 #
 
+require 'httparty'
 class Order < ActiveRecord::Base
   include ActionView::Helpers::TextHelper
 
@@ -17,6 +18,8 @@ class Order < ActiveRecord::Base
   has_many :order_items, dependent: :destroy
   has_many :products, through: :order_items
 
+  after_create :tab_api_created
+
   default_scope -> { where(cancelled: false) }
 
   validates :user, presence: true
@@ -36,12 +39,25 @@ class Order < ActiveRecord::Base
     write_attribute(:price_cents, price_cents)
   end
 
+  def tab_api_created
+    body = { transaction: { debtor: user.uid, cents: price_cents, message: to_sentence } }
+    headers = { "Authorization" => "Token token=LNJxGqkM39O21gcJJq6BLQ==" }
+    HTTParty.post("https://zeus.ugent.be/tab/transactions", body: body, headers: headers )
+  end
+  handle_asynchronously :tab_api_created
+
+  def tab_api_cancelled
+    puts "api cancelled"
+  end
+  handle_asynchronously :tab_api_cancelled
+
   def cancel
     return false if cancelled || created_at < 5.minutes.ago
 
     User.decrement_counter(:orders_count, user.id)
     update_attribute(:cancelled, true)
     self.order_items.each(&:cancel)
+    tab_api_cancelled
     true
   end
 

app/views/users/_sidebar.html.erb

@@ -22,9 +22,9 @@
         <% if @user.dagschotel %>
           Huidige dagschotel
           <%= image_tag @user.dagschotel.avatar %>
-          <%= link_to "Change dagschotel", user_edit_dagschotel_path(@user), class: "btn btn-default btn-block" %>
+          <%= link_to "Change dagschotel", dit_dagschotel_user_path(@user), class: "btn btn-default btn-block" %>
         <% else %>
-          <%= link_to "Set dagschotel", user_edit_dagschotel_path(@user), class: "btn btn-default btn-block" %>
+          <%= link_to "Set dagschotel", edit_dagschotel_user_path(@user), class: "btn btn-default btn-block" %>
         <% end %>
       </li>
     </ul>

bin/delayed_job

@@ -0,0 +1,5 @@
+#!/usr/bin/env ruby
+
+require File.expand_path(File.join(File.dirname(__FILE__), '..', 'config', 'environment'))
+require 'delayed/command'
+Delayed::Command.new(ARGV).daemonize

config/application.rb

@@ -20,5 +20,6 @@ module Tab002
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
     # config.i18n.default_locale = :de
     config.active_record.raise_in_transactional_callbacks = true
+    config.active_job.queue_adapter = :delayed_job
   end
 end

db/migrate/20150911195029_create_delayed_jobs.rb

@@ -0,0 +1,22 @@
+class CreateDelayedJobs < ActiveRecord::Migration
+  def self.up
+    create_table :delayed_jobs, force: true do |table|
+      table.integer :priority, default: 0, null: false # Allows some jobs to jump to the front of the queue
+      table.integer :attempts, default: 0, null: false # Provides for retries, but still fail eventually.
+      table.text :handler,                 null: false # YAML-encoded string of the object that will do work
+      table.text :last_error                           # reason for last failure (See Note below)
+      table.datetime :run_at                           # When to run. Could be Time.zone.now for immediately, or sometime in the future.
+      table.datetime :locked_at                        # Set when a client is working on this object
+      table.datetime :failed_at                        # Set when all retries have failed (actually, by default, the record is deleted instead)
+      table.string :locked_by                          # Who is working on this object (if locked)
+      table.string :queue                              # The name of the queue this job is in
+      table.timestamps null: true
+    end
+
+    add_index :delayed_jobs, [:priority, :run_at], name: "delayed_jobs_priority"
+  end
+
+  def self.down
+    drop_table :delayed_jobs
+  end
+end

db/schema.rb

@@ -11,7 +11,23 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20150827155036) do
+ActiveRecord::Schema.define(version: 20150911195029) do
+
+  create_table "delayed_jobs", force: :cascade do |t|
+    t.integer  "priority",   default: 0, null: false
+    t.integer  "attempts",   default: 0, null: false
+    t.text     "handler",                null: false
+    t.text     "last_error"
+    t.datetime "run_at"
+    t.datetime "locked_at"
+    t.datetime "failed_at"
+    t.string   "locked_by"
+    t.string   "queue"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  add_index "delayed_jobs", ["priority", "run_at"], name: "delayed_jobs_priority"
 
   create_table "order_items", force: :cascade do |t|
     t.integer "order_id"