Add application_forms:decline_work_history_duration

This adds a Rake task which allows us to decline the applications which
should not have been able to be submitted automatically.

lib/tasks/application_forms.rake

@@ -67,4 +67,44 @@ namespace :application_forms do
       puts application_form.reference
     end
   end
+
+  desc "Decline applications with less than 9 months of work experience."
+  task :decline_work_history_duration,
+       %i[staff_email] => :environment do |_task, _args|
+    zimbabwe = Country.find_by!(code: "ZW").regions.first
+
+    ApplicationForm
+      .not_started_stage
+      .where.not(region: zimbabwe)
+      .where(needs_work_history: true)
+      .each do |application_form|
+        if WorkHistoryDuration.for_application_form(
+             application_form,
+           ).enough_for_submission?
+          next
+        end
+
+        assessment = application_form.assessment
+
+        assessment_section = assessment.sections.find_by!(key: "work_history")
+        assessment_section.selected_failure_reasons.create!(
+          key: FailureReasons::WORK_HISTORY_DURATION,
+          assessor_feedback:
+            "You have added at least one teaching role that started before you " \
+              "were recognised as a teacher.\n\nWe do not accept teaching work " \
+              "experience that was gained before you were recognised as a " \
+              "teacher.\n\nThis means you have less than 9 months teaching work " \
+              "history and are not eligible for QTS.\n\nYou can reapply for QTS " \
+              "once you have gained more teaching work experience. If you have " \
+              "this experience already, you can reapply and provide evidence of " \
+              "this as part of your new application.",
+        )
+
+        application_form.reload
+
+        DeclineQTS.call(application_form:, user:)
+
+        puts application_form.reference
+      end
+  end
 end