[AQTS-688] Drop DQTTRNRequest model and table as it is no longer in use

app/jobs/update_trs_trn_request_job.rb

@@ -6,19 +6,6 @@ def perform(trs_trn_request)
 
     application_form = trs_trn_request.application_form
 
-    # TODO: We can remove this block once the migration between DQTTRNRequest to TRSTRNRequest
-    # has fully completed. This job may have quite a few instances in our scheduled queue
-    # and as a result we need to ensure they switch into using the TRSTRNRequest once we
-    # migrate all existing DQTTRNRequests into a record within the TRSTRNRequests table.
-    if trs_trn_request.is_a?(DQTTRNRequest)
-      if application_form.trs_trn_request
-        trs_trn_request = application_form.trs_trn_request
-      else
-        UpdateTRSTRNRequestJob.set(wait: 1.hour).perform_later(trs_trn_request)
-        return
-      end
-    end
-
     response = fetch_response(trs_trn_request)
 
     trs_trn_request.pending! if trs_trn_request.initial?

app/models/application_form.rb

@@ -101,7 +101,6 @@ class ApplicationForm < ApplicationRecord
   has_many :qualifications, dependent: :destroy
   has_many :timeline_events
   has_one :country, through: :region
-  has_one :dqt_trn_request
   has_one :trs_trn_request
   has_one :assessment
   has_many :notes, dependent: :destroy

app/services/destroy_application_form.rb

@@ -10,7 +10,6 @@ def initialize(application_form:)
   def call
     ActiveRecord::Base.transaction do
       timeline_events.destroy_all
-      dqt_trn_request&.destroy!
       trs_trn_request&.destroy!
       assessment&.destroy!
       application_form.destroy!
@@ -25,7 +24,6 @@ def call
   delegate :assessment,
            :teacher,
            :timeline_events,
-           :dqt_trn_request,
            :trs_trn_request,
            to: :application_form
 end

app/views/assessor_interface/application_forms/status.html.erb

@@ -25,7 +25,7 @@
   <p class="govuk-body">You’ve successfully sent your further information request email to the applicant.</p>
 <% elsif @view_object.application_form.declined_at.present? %>
   <p class="govuk-body">The application will be deleted after 90 days unless the applicant chooses to appeal.</p>
-<% elsif @view_object.application_form.trs_trn_request.present? || @view_object.application_form.dqt_trn_request.present? %>
+<% elsif @view_object.application_form.trs_trn_request.present? %>
   <p class="govuk-body">This status will appear while the award is reconciled with the information in the Database of Qualified Teachers (DQT).</p>
   <p class="govuk-body">Once these checks are complete, the status will change to ‘Awarded’ and the applicant will receive the email telling them they’ve been awarded QTS.</p>
 <% end %>

config/analytics.yml

@@ -119,14 +119,6 @@
     - documentable_type
     - id
     - updated_at
-  :dqt_trn_requests:
-    - application_form_id
-    - created_at
-    - id
-    - potential_duplicate
-    - request_id
-    - state
-    - updated_at
   :eligibility_checks:
     - completed_at
     - country_code

db/migrate/20241210165522_drop_dqt_trn_requests_table.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+class DropDQTTRNRequestsTable < ActiveRecord::Migration[7.2]
+  def change
+    drop_table :dqt_trn_requests do
+      t.references :application_form, null: false, foreign_key: true
+      t.uuid :request_id, null: false
+      t.string :state, null: false, default: "pending"
+      t.boolean :potential_duplicate
+
+      t.timestamps
+    end
+  end
+end

db/scripts/sanitise.sql

@@ -45,10 +45,6 @@ SET
 -- Documents
 -- no update required
 
--- DQTTRNRequest
--- clear these as the scheduled jobs might run against them
-DELETE FROM "dqt_trn_requests";
-
 -- TRSTRNRequest
 -- clear these as the scheduled jobs might run against them
 DELETE FROM "trs_trn_requests";

lib/tasks/fake_data.rake

@@ -43,7 +43,6 @@ namespace :fake_data do
     end
 
     TimelineEvent.delete_all
-    DQTTRNRequest.delete_all
     TRSTRNRequest.delete_all
     ReminderEmail.delete_all
     ConsentRequest.delete_all