AP-5474: Add start date for MTR-A feature flag

This adds the following start date to each environment:
    UAT: 6 November 2024, as the date has passed, it will be enabled immediately the switch is enabled
    Staging: 12 November 2024, allows testing before the meeting on the 13th
    Production: 20 Novmeber 2024, actual release date

The Setting model is updated to check for the radio button being set to true and
 the current date being equal to, or greater than, the start date

app/models/setting.rb

@@ -36,7 +36,7 @@ def self.special_childrens_act?
   end
 
   def self.means_test_review_a?
-    setting.means_test_review_a
+    setting.means_test_review_a && Time.zone.today >= Rails.configuration.x.mtr_a_start_date
   end
 
   def self.public_law_family?

app/views/admin/settings/show.html.erb

@@ -82,7 +82,7 @@
           :value,
           :label,
           inline: true,
-          hint: { text: t(".hints.means_test_review_a") },
+          hint: { text: t(".hints.means_test_review_a", date: Rails.configuration.x.mtr_a_start_date.to_fs) },
           legend: { text: t(".labels.means_test_review_a") },
         ) %>
 

config/application.rb

@@ -159,6 +159,9 @@ class Application < Rails::Application
 
     config.x.maintenance_mode = ENV.fetch("MAINTENANCE_MODE", nil)&.downcase&.eql?("true")
 
+    # TODO: Remove with Setting.means_test_review_a feature flag #
+    config.x.mtr_a_start_date = Date.parse(ENV.fetch("MTR_A_START_DATE", "2024-11-20"))
+
     # automatically include locale in the query string when generating urls with url_helpers
     Rails.application.routes.default_url_options[:locale] = I18n.locale
     config.i18n.default_locale = :en

config/locales/en/admin.yml

@@ -88,7 +88,7 @@ en:
           linked_applications: Select Yes to enable the linking and copying cases feature for solicitors
           collect_hmrc_data: Select Yes to enable calls to HMRC for employment data
           special_childrens_act: Select Yes to enable the special childrens act matter type
-          means_test_review_a: Select Yes to enable the Means Test Review (MTR) A feature
+          means_test_review_a: Select Yes to enable the Means Test Review (MTR) A feature after %{date}
           public_law_family: Select Yes to enable Public Law Family feature
 
       update:

helm_deploy/apply-for-legal-aid/templates/_envs.tpl

@@ -301,6 +301,8 @@ env:
       secretKeyRef:
         name: {{ template "apply-for-legal-aid.fullname" . }}
         key: policyDisregardsStartDate
+  - name: MTR_A_START_DATE
+    value: {{ .Values.mtr_a_start_date | quote }}
   - name: LEGAL_FRAMEWORK_API_HOST
     valueFrom:
       secretKeyRef:

spec/models/setting_spec.rb

@@ -71,5 +71,36 @@
       expect(described_class.means_test_review_a?).to be false
       expect(described_class.public_law_family?).to be false
     end
+
+    describe ".means_test_review_a?" do
+      subject { described_class.means_test_review_a? }
+
+      context "when the flag is true and a date has been set in the future" do
+        before do
+          described_class.setting.update!(means_test_review_a: true)
+          allow(Rails.configuration.x).to receive(:mtr_a_start_date).and_return(Date.tomorrow)
+        end
+
+        it { is_expected.to be false }
+      end
+
+      context "when the flag is true and a date has been set in the past" do
+        before do
+          described_class.setting.update!(means_test_review_a: true)
+          allow(Rails.configuration.x).to receive(:mtr_a_start_date).and_return(Date.yesterday)
+        end
+
+        it { is_expected.to be true }
+      end
+
+      context "when the flag is false and a date has been set in the past" do
+        before do
+          described_class.setting.update!(means_test_review_a: false)
+          allow(Rails.configuration.x).to receive(:mtr_a_start_date).and_return(Date.yesterday)
+        end
+
+        it { is_expected.to be false }
+      end
+    end
   end
 end