Prepare for Popular Tasks AB test

alphagov · Aug 21, 2024 · 8a9d302 · 8a9d302
1 parent 2685d48
commit 8a9d302
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diff --git a/app/controllers/browse_controller.rb b/app/controllers/browse_controller.rb
@@ -1,4 +1,6 @@
 class BrowseController < ApplicationController
+  include PopularTasksAbTestable
+
   slimmer_template "gem_layout_full_width"
 
   def index

diff --git a/app/controllers/concerns/popular_tasks_ab_testable.rb b/app/controllers/concerns/popular_tasks_ab_testable.rb
@@ -0,0 +1,43 @@
+module PopularTasksAbTestable
+  extend ActiveSupport::Concern
+
+  ALLOWED_VARIANTS = %w[A B C Z].freeze
+
+  included do
+    helper_method(
+      :popular_tasks_variant,
+      :popular_tasks_page_under_test?,
+      :popular_tasks_variant_a_page?,
+      :popular_tasks_variant_b_page?,
+    )
+    after_action :set_popular_tasks_ab_test_response_header
+  end
+
+  def popular_tasks_ab_test
+    @popular_tasks_ab_test ||= GovukAbTesting::AbTest.new(
+      "PopularTasks",
+      allowed_variants: ALLOWED_VARIANTS,
+      control_variant: "Z",
+    )
+  end
+
+  def popular_tasks_variant
+    @popular_tasks_variant ||= popular_tasks_ab_test.requested_variant(request.headers)
+  end
+
+  def popular_tasks_page_under_test?
+    request.path.match?(%r{\A/browse/[^/]+\z})
+  end
+
+  def set_popular_tasks_ab_test_response_header
+    popular_tasks_variant.configure_response(response) if popular_tasks_page_under_test?
+  end
+
+  def popular_tasks_variant_a_page?
+    popular_tasks_page_under_test? && popular_tasks_variant.variant?("A")
+  end
+
+  def popular_tasks_variant_b_page?
+    popular_tasks_page_under_test? && popular_tasks_variant.variant?("B")
+  end
+end
diff --git a/app/helpers/browse_helper.rb b/app/helpers/browse_helper.rb
@@ -1,10 +1,50 @@
 module BrowseHelper
+  def variant_a_popular_links?(slug)
+    I18n.exists?("#{slug}.variant_a", scope: "browse.popular_links")
+  end
+
+  def variant_a_popular_links(slug)
+    I18n.t("#{slug}.control", scope: "browse.popular_links")
+  end
+
+  def variant_b_popular_links?(slug)
+    I18n.exists?("#{slug}.variant_b", scope: "browse.popular_links")
+  end
+
+  def variant_b_popular_links(slug)
+    I18n.t("#{slug}.control", scope: "browse.popular_links")
+  end
+
+  def control_popular_links?(slug)
+    I18n.exists?("#{slug}.control", scope: "browse.popular_links")
+  end
+
+  def control_popular_links(slug)
+    I18n.t("#{slug}.control", scope: "browse.popular_links")
+  end
+
   def display_popular_links_for_slug?(slug)
-    I18n.exists?(slug.to_s, scope: "browse.popular_links")
+    if popular_tasks_variant_a_page?
+      variant_a_popular_links?(slug)
+    elsif popular_tasks_variant_b_page?
+      variant_b_popular_links?(slug)
+    else
+      control_popular_links?(slug)
+    end
+  end
+
+  def variant_popular_links_for_slug(slug)
+    if popular_tasks_variant_a_page?
+      variant_a_popular_links(slug)
+    elsif popular_tasks_variant_b_page?
+      variant_b_popular_links(slug)
+    else
+      control_popular_links(slug)
+    end
   end
 
   def popular_links_for_slug(slug)
-    links = I18n.t(slug.to_s, scope: "browse.popular_links")
+    links = variant_popular_links_for_slug(slug)
     count = links.length
     links.map.with_index(1) do |link, index|
       {

diff --git a/app/views/browse/show.html.erb b/app/views/browse/show.html.erb
@@ -12,6 +12,7 @@
       section: page.title.downcase,
     }
   } %>
+  <%= popular_tasks_variant.analytics_meta_tag.html_safe if popular_tasks_page_under_test? %>
 <% end %>
 
 <% content_for :breadcrumbs do %>

diff --git a/config/locales/ar/browse.yml b/config/locales/ar/browse.yml
@@ -3,15 +3,25 @@ ar:
   browse:
     popular_links:
       benefits:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
       business:
-        - title:
-          url:
-        - title:
-          url:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
     all_categories: جميع الفئات
     description:
     popular_tasks:

diff --git a/config/locales/az/browse.yml b/config/locales/az/browse.yml
@@ -3,15 +3,25 @@ az:
   browse:
     popular_links:
       benefits:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
       business:
-        - title:
-          url:
-        - title:
-          url:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
     all_categories: Bütün kateqoriyalar
     description:
     popular_tasks:

diff --git a/config/locales/be/browse.yml b/config/locales/be/browse.yml
@@ -3,15 +3,25 @@ be:
   browse:
     popular_links:
       benefits:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
       business:
-        - title:
-          url:
-        - title:
-          url:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
     all_categories: Усе катэгорыі
     description:
     popular_tasks:

diff --git a/config/locales/bg/browse.yml b/config/locales/bg/browse.yml
@@ -3,15 +3,25 @@ bg:
   browse:
     popular_links:
       benefits:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
       business:
-        - title:
-          url:
-        - title:
-          url:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
     all_categories: Всички категории
     description:
     popular_tasks:

diff --git a/config/locales/bn/browse.yml b/config/locales/bn/browse.yml
@@ -3,15 +3,25 @@ bn:
   browse:
     popular_links:
       benefits:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
       business:
-        - title:
-          url:
-        - title:
-          url:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
     all_categories: সকল শ্রেণিবিভাগ
     description:
     popular_tasks:

diff --git a/config/locales/cs/browse.yml b/config/locales/cs/browse.yml
@@ -3,15 +3,25 @@ cs:
   browse:
     popular_links:
       benefits:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
       business:
-        - title:
-          url:
-        - title:
-          url:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
     all_categories: Všechny kategorie
     description:
     popular_tasks:

diff --git a/config/locales/cy/browse.yml b/config/locales/cy/browse.yml
@@ -3,15 +3,25 @@ cy:
   browse:
     popular_links:
       benefits:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
       business:
-        - title:
-          url:
-        - title:
-          url:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
     all_categories: Pob categori
     description:
     popular_tasks:

diff --git a/config/locales/da/browse.yml b/config/locales/da/browse.yml
@@ -3,15 +3,25 @@ da:
   browse:
     popular_links:
       benefits:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
       business:
-        - title:
-          url:
-        - title:
-          url:
-        - title:
-          url:
+        control:
+          - title:
+            url:
+        variant_a:
+          - title:
+            url:
+        variant_b:
+          - title:
+            url:
     all_categories: Alle kategorier
     description:
     popular_tasks: