Add experimental machine learning

app/controllers/admin/machine_learning_controller.rb

@@ -0,0 +1,33 @@
+class Admin::MachineLearningController < Admin::BaseController
+  before_action :load_machine_learning_job, only: [:show, :execute]
+
+  def show
+  end
+
+  def execute
+    @machine_learning_job.update!(script: params[:script],
+                                  user: current_user,
+                                  started_at: Time.current,
+                                  finished_at: nil,
+                                  error: nil)
+
+    ::MachineLearning.new(@machine_learning_job).run
+
+    redirect_to admin_machine_learning_path,
+                notice: t("admin.machine_learning.script_info", email: current_user.email)
+  end
+
+  def cancel
+    Delayed::Job.where(queue: "machine_learning").destroy_all
+    MachineLearningJob.destroy_all
+
+    redirect_to admin_machine_learning_path,
+                notice: t("admin.machine_learning.notice.delete_generated_content")
+  end
+
+  private
+
+    def load_machine_learning_job
+      @machine_learning_job = MachineLearningJob.first_or_initialize
+    end
+end