[DEMO] A/B test demonstration

Gemfile

@@ -4,6 +4,7 @@ git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 ruby '3.2.2'
 
 gem 'bootsnap', require: false
+gem 'cancancan'
 gem 'graphql'
 gem 'graphql-client'
 gem 'http'
@@ -14,6 +15,7 @@ gem 'puma'
 gem 'rails', '~> 7.0'
 gem 'sentry-rails'
 gem 'sentry-ruby'
+gem 'split', require: 'split/dashboard'
 gem 'sprockets-rails'
 gem 'stimulus-rails'
 gem 'turbo-rails'

Gemfile.lock

@@ -103,6 +103,7 @@ GEM
     bootsnap (1.18.3)
       msgpack (~> 1.2)
     builder (3.2.4)
+    cancancan (3.6.1)
     capybara (3.40.0)
       addressable
       matrix
@@ -194,6 +195,8 @@ GEM
     mocha (2.2.0)
       ruby2_keywords (>= 0.0.5)
     msgpack (1.7.2)
+    mustermann (3.0.0)
+      ruby2_keywords (~> 0.0.1)
     mutex_m (0.2.0)
     net-imap (0.4.10)
       date
@@ -223,6 +226,9 @@ GEM
       nio4r (~> 2.0)
     racc (1.7.3)
     rack (3.0.10)
+    rack-protection (4.0.0)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0, < 4)
     rack-session (2.0.0)
       rack (>= 3.0.0)
     rack-test (2.1.0)
@@ -263,6 +269,10 @@ GEM
     rake (13.2.1)
     rdoc (6.6.3.1)
       psych (>= 4.0.0)
+    redis (5.2.0)
+      redis-client (>= 0.22.0)
+    redis-client (0.22.2)
+      connection_pool
     regexp_parser (2.9.0)
     reline (0.5.6)
       io-console (~> 0.5)
@@ -288,6 +298,8 @@ GEM
       rubocop-ast (>= 1.31.1, < 2.0)
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
+    rubystats (0.4.1)
+      matrix
     rubyzip (2.3.2)
     sassc (2.4.0)
       ffi (~> 1.9)
@@ -315,6 +327,17 @@ GEM
     simplecov-html (0.12.3)
     simplecov-lcov (0.8.0)
     simplecov_json_formatter (0.1.4)
+    sinatra (4.0.0)
+      mustermann (~> 3.0)
+      rack (>= 3.0.0, < 4)
+      rack-protection (= 4.0.0)
+      rack-session (>= 2.0.0, < 3)
+      tilt (~> 2.0)
+    split (4.0.4)
+      matrix
+      redis (>= 4.2)
+      rubystats (>= 0.3.0)
+      sinatra (>= 1.2.6)
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
@@ -373,6 +396,7 @@ DEPENDENCIES
   better_errors
   binding_of_caller
   bootsnap
+  cancancan
   capybara
   climate_control
   debug
@@ -396,6 +420,7 @@ DEPENDENCIES
   sentry-ruby
   simplecov
   simplecov-lcov
+  split
   sprockets-rails
   sqlite3
   stimulus-rails

app/assets/stylesheets/partials/_search.scss

@@ -4,10 +4,17 @@
 
 /* basic search bar */
 .basic-search {
-  background-color: #989898;
   margin-bottom: 0rem;
   padding: 2.4rem 2rem 1.6rem 2rem;
 
+  &.standard {
+    background-color: #989898;
+  }
+
+  &.alt {
+    background-color: #ffd700;
+  }
+
   details {
     &:first-of-type {
       margin-top: 1rem;

app/controllers/record_controller.rb

@@ -3,6 +3,10 @@ class RecordController < ApplicationController
 
   include RecordHelper
 
+  def out
+    url = params[:url]
+  end
+
   def view
     id = params[:id]
     index = ENV.fetch('TIMDEX_INDEX', nil)

app/controllers/search_controller.rb

@@ -12,6 +12,11 @@ class SearchController < ApplicationController
   end
 
   def results
+    # if we are loading results, the user submitted the form - so this experiment is finished
+    ab_finished(:ui_colors)
+
+    # ab_test(:result_format)
+
     # inject session preference for boolean type if it is present
     params[:booleanType] = cookies[:boolean_type] || 'AND'
 

app/models/ability.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+class Ability
+  include CanCan::Ability
+
+  def initialize(user)
+    # Define abilities for the user here. For example:
+    #
+    #   return unless user.present?
+    #   can :read, :all
+    #   return unless user.admin?
+    #   can :manage, :all
+    #
+    # The first argument to `can` is the action you are giving the user
+    # permission to do.
+    # If you pass :manage it will apply to every action. Other common actions
+    # here are :read, :create, :update and :destroy.
+    #
+    # The second argument is the resource the user can perform the action on.
+    # If you pass :all it will apply to every resource. Otherwise pass a Ruby
+    # class of the resource.
+    #
+    # The third argument is an optional hash of conditions to further filter the
+    # objects.
+    # For example, here the user can only update published articles.
+    #
+    #   can :update, Article, published: true
+    #
+    # See the wiki for details:
+    # https://github.com/CanCanCommunity/cancancan/blob/develop/docs/define_check_abilities.md
+  end
+end

app/views/record/out.html.erb

@@ -0,0 +1 @@
+<p>This would redirect you.</p>

app/views/search/_form.html.erb

@@ -25,7 +25,7 @@ if params[:geodistance] == "true"
 end
 %>
 
-<form id="basic-search" class="form-horizontal basic-search" action="<%= results_path %>" method="get" role="search">
+<form id="basic-search" class="form-horizontal basic-search <%= ab_test(:ui_colors, "standard", "alt") %>" action="<%= results_path %>" method="get" role="search">
   <div class="form-group">
     <input id="basic-search-main" type="search"
            class="field field-text basic-search-input <%= "required" if search_required %>" name="q"

config/routes.rb

@@ -7,6 +7,7 @@
   get 'issn', to: 'fact#issn'
   get 'pmid', to: 'fact#pmid'
 
+  get 'out/(:url)', to: 'record#out'
   get 'record/(:id)',
       to: 'record#view',
       as: 'record',
@@ -15,4 +16,6 @@
   get 'style-guide', to: 'static#style_guide'
 
   get 'boolpref', to: 'static#boolpref'
+
+  mount Split::Dashboard, at: 'split'
 end