jobs: fix failures in /jobs controller.

Fix errors with searching for and retrying jobs on the /jobs page caused
by the upgrade to GoodJob 3.0.

app/jobs/prune_jobs_job.rb

@@ -3,6 +3,6 @@
 # A job that runs daily to delete all stale jobs. Spawned by {DanbooruMaintenance}.
 class PruneJobsJob < ApplicationJob
   def perform
-    GoodJob::ActiveJobJob.where("created_at < ?", 7.days.ago).destroy_all
+    BackgroundJob.where("created_at < ?", 7.days.ago).destroy_all
   end
 end

app/models/background_job.rb

@@ -1,12 +1,10 @@
 # frozen_string_literal: true
 
 # A BackgroundJob is a job in the good_jobs table. This class is simply an
-# extension of GoodJob::ActiveJobJob, with a few extra methods for searching jobs.
+# extension of GoodJob::Job, with a few extra methods for searching jobs.
 #
-# @see https://github.com/bensheldon/good_job/blob/main/lib/good_job/active_job_job.rb
+# @see https://github.com/bensheldon/good_job
-class BackgroundJob < GoodJob::ActiveJobJob
+class BackgroundJob < GoodJob::Job
-  delegate :executions_count, to: :job
-
   concerning :SearchMethods do
     class_methods do
       def default_order
@@ -62,7 +60,7 @@ class BackgroundJob < GoodJob::ActiveJobJob
     end
 
     def pretty_name
-      job.job_class.titleize.delete_suffix(" Job")
+      job_class.titleize.delete_suffix(" Job")
     end
   end
 end

test/factories/good_job.rb

@@ -1,5 +1,5 @@
 FactoryBot.define do
-  factory :good_job, class: GoodJob::ActiveJobJob do
+  factory :good_job, class: GoodJob::Job do
     transient do
       job { VacuumDatabaseJob.new }
     end

test/functional/jobs_controller_test.rb

@@ -12,11 +12,16 @@ class JobsControllerTest < ActionDispatch::IntegrationTest
         get jobs_path
         assert_response :success
       end
+
+      should respond_to_search(status: "running").with { [] }
+      should respond_to_search(status: "queued").with { [@job] }
+      should respond_to_search(status: "finished").with { [] }
+      should respond_to_search(status: "discarded").with { [] }
     end
 
     context "cancel action" do
       should "work" do
-        GoodJob::ActiveJobJob.any_instance.stubs(:status).returns(:queued)
+        GoodJob::Job.any_instance.stubs(:status).returns(:queued)
         put_auth cancel_job_path(@job), @user, xhr: true
         assert_response :success
       end
@@ -24,8 +29,8 @@ class JobsControllerTest < ActionDispatch::IntegrationTest
 
     context "retry action" do
       should "work" do
+        @job.discard_job("Canceled")
         @job.head_execution.active_job.class.stubs(:queue_adapter).returns(GoodJob::Adapter.new)
-        GoodJob::ActiveJobJob.any_instance.stubs(:status).returns(:discarded)
         put_auth retry_job_path(@job), @user, xhr: true
         assert_response :success
       end
@@ -33,7 +38,7 @@ class JobsControllerTest < ActionDispatch::IntegrationTest
 
     context "run action" do
       should "work" do
-        GoodJob::ActiveJobJob.any_instance.stubs(:status).returns(:queued)
+        GoodJob::Job.any_instance.stubs(:status).returns(:queued)
         put_auth run_job_path(@job), @user, xhr: true
         assert_response :success
       end