Refactoring: Migrated UserDeviceLogJob from Delayed::Job to Active Job.

app/controllers/application_controller/handles_devices.rb

@@ -59,14 +59,12 @@ module ApplicationController::HandlesDevices
 
     # add device if needed
     http_user_agent = ENV['HTTP_USER_AGENT'] || request.env['HTTP_USER_AGENT']
-    Delayed::Job.enqueue(
-      Observer::UserDeviceLogJob.new(
-        http_user_agent,
-        remote_ip,
-        user.id,
-        session[:user_device_fingerprint],
-        type,
-      )
+    UserDeviceLogJob.perform_later(
+      http_user_agent,
+      remote_ip,
+      user.id,
+      session[:user_device_fingerprint],
+      type,
     )
   end
 end

app/jobs/user_device_log_job.rb

@@ -0,0 +1,11 @@
+class UserDeviceLogJob < ApplicationJob
+  def perform(http_user_agent, remote_ip, user_id, fingerprint, type)
+    UserDevice.add(
+      http_user_agent,
+      remote_ip,
+      user_id,
+      fingerprint,
+      type,
+    )
+  end
+end

app/models/observer/user_device_log_job.rb

@@ -1,19 +0,0 @@
-class Observer::UserDeviceLogJob
-  def initialize(http_user_agent, remote_ip, user_id, fingerprint, type)
-    @http_user_agent = http_user_agent
-    @remote_ip = remote_ip
-    @user_id = user_id
-    @fingerprint = fingerprint
-    @type = type
-  end
-
-  def perform
-    UserDevice.add(
-      @http_user_agent,
-      @remote_ip,
-      @user_id,
-      @fingerprint,
-      @type,
-    )
-  end
-end

spec/jobs/user_device_log_job_spec.rb

@@ -0,0 +1,22 @@
+require 'rails_helper'
+
+RSpec.describe UserDeviceLogJob, type: :job do
+
+  let!(:user) { create(:user) }
+
+  it 'executes user device log job' do
+    expect do
+      described_class.perform_now(
+        'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.107 Safari/537.36',
+        '172.0.0.1',
+        user.id,
+        'fingerprintABC123',
+        'session',
+      )
+    end.to change {
+      UserDevice.where(
+        user_id: user.id,
+      ).count
+    }.by(1)
+  end
+end