Controllers/api/v1/register.php

@@ -78,7 +78,7 @@ class register implements Interfaces\Api, Interfaces\ApiIgnorePam
             $hasSignupTags = false;
             if (isset($_COOKIE['mexp'])) {
                 $manager = Core\Di\Di::_()->get('Experiments\Manager');
-                $bucket = $manager->getBucketForExperiment('Homepage200619');
+                $bucket = $manager->getBucketForExperiment('Homepage121119');
                 $user->expHomepage200619 = $bucket->getId();
             }
 

Controllers/api/v2/experiments.php

@@ -49,6 +49,7 @@ class experiments implements Interfaces\Api
             $_COOKIE['mexp'] = $cookieid;
         }
 
+        /** @var Core\Experiments\Manager $manager */
         $manager = Di::_()->get('Experiments\Manager');
 
         if (Core\Session::isLoggedIn()) {

Controllers/api/v2/onboarding/progress.php

@@ -3,6 +3,7 @@
 namespace Minds\Controllers\api\v2\onboarding;
 
 use Minds\Api\Factory;
+use Minds\Core\Di\Di;
 use Minds\Core\Onboarding\Manager;
 use Minds\Core\Session;
 use Minds\Interfaces;
@@ -11,7 +12,7 @@ class progress implements Interfaces\Api
 {
     /**
      * Equivalent to HTTP GET method
-     * @param  array $pages
+     * @param array $pages
      * @return mixed|null
      * @throws \Exception
      */
@@ -23,11 +24,20 @@ class progress implements Interfaces\Api
         $manager = new Manager();
         $manager->setUser(Session::getLoggedInUser());
 
+        /** @var \Minds\Core\Features\Manager $manager */
+        $manager = Di::_()->get('Features\Manager');
+
+        if ($manager->has('onboarding-december-2019')) {
+            return Factory::response([
+                'show_onboarding' => !$manager->wasOnboardingShown(),
+            ]);
+        }
+
         $allItems = $manager->getAllItems();
         $completedItems = $manager->getCompletedItems();
 
         return Factory::response([
-            'show_onboarding' => !$manager->wasOnboardingShown() && count($allItems) > count($completedItems) ,
+            'show_onboarding' => !$manager->wasOnboardingShown() && count($allItems) > count($completedItems),
             'all_items' => $allItems,
             'completed_items' => $completedItems,
             'creator_frequency' => $manager->getCreatorFrequency(),
@@ -36,7 +46,7 @@ class progress implements Interfaces\Api
 
     /**
      * Equivalent to HTTP POST method
-     * @param  array $pages
+     * @param array $pages
      * @return mixed|null
      * @throws \Exception
      */
@@ -47,7 +57,7 @@ class progress implements Interfaces\Api
 
     /**
      * Equivalent to HTTP PUT method
-     * @param  array $pages
+     * @param array $pages
      * @return mixed|null
      */
     public function put($pages)
@@ -57,7 +67,7 @@ class progress implements Interfaces\Api
 
     /**
      * Equivalent to HTTP DELETE method
-     * @param  array $pages
+     * @param array $pages
      * @return mixed|null
      */
     public function delete($pages)

Core/Experiments/Hypotheses/Homepage121119.php

+<?php
+
+namespace Minds\Core\Experiments\Hypotheses;
+
+use Minds\Core\Experiments\Bucket;
+
+class Homepage121119 implements HypothesisInterface
+{
+    /**
+     * Return the id for the hypothesis
+     * @return string
+     */
+    public function getId()
+    {
+        return "Homepage121119";
+    }
+
+    /**
+     * Return the buckets for the hypothesis
+     * @return Bucket[]
+     */
+    public function getBuckets()
+    {
+        return [
+            (new Bucket)
+                ->setId('base')
+                ->setWeight(50),
+            (new Bucket)
+                ->setId('form')
+                ->setWeight(50),
+        ];
+    }
+}

Core/Experiments/Manager.php

@@ -18,6 +18,7 @@ class Manager
     private $experiments = [
         'Homepage121118' => Hypotheses\Homepage121118::class,
         'Homepage200619' => Hypotheses\Homepage200619::class,
+        'Homepage121119' => Hypotheses\Homepage121119::class,
     ];
 
     public function __construct($sampler = null)
@@ -49,6 +50,7 @@ class Manager
      * Return the bucket for an experiment
      * @param string $experimentId
      * @return Bucket
+     * @throws \Exception
      */
     public function getBucketForExperiment($experimentId)
     {

Core/Experiments/Sampler.php

@@ -5,6 +5,9 @@
  */
 namespace Minds\Core\Experiments;
 
+use Minds\Core\Analytics\User;
+use Minds\Core\Data\Client;
+use Minds\Core\Experiments\Hypotheses\HypothesisInterface;
 use Minds\Interfaces\ModuleInterface;
 use Minds\Core\Di\Di;
 use Minds\Core\Data\Cassandra\Prepared;
@@ -17,7 +20,7 @@ class Sampler
     /** @param User $user */
     private $user;
 
-    /** @param HypthosesInterface $hypothesis */
+    /** @param HypothesisInterface $hypothesis */
     private $hypothesis;
 
     /** @param array $buckets */
@@ -43,6 +46,7 @@ class Sampler
      * Set the hypothesis to sample
      * @param HypothesisInterface $hypothesis
      * @return Sampler
+     * @throws \Exception
      */
     public function setHypothesis($hypothesis)
     {
@@ -71,6 +75,7 @@ class Sampler
     /**
      * Return the bucket for a user
      * @return Bucket
+     * @throws \Exception
      */
     public function getBucket()
     {

Core/Provisioner/Provisioners/cassandra-provision.cql

@@ -921,7 +921,7 @@ CREATE TABLE minds.notifications (
 CREATE MATERIALIZED VIEW minds.notifications_by_type_group AS
     SELECT *
     FROM minds.notifications
-    WHERE to_guid IS NOT NULL 
+    WHERE to_guid IS NOT NULL
     AND uuid IS NOT NULL
     AND type_group IS NOT NULL
     PRIMARY KEY (to_guid, type_group, uuid)
@@ -1525,6 +1525,28 @@ CREATE TABLE minds.notification_batches (
     primary key (user_guid, batch_id)
 );
 
+CREATE TABLE minds.experiments (
+    id text,
+    bucket text,
+    key text,
+    PRIMARY KEY (id, bucket, key)
+) WITH CLUSTERING ORDER BY (bucket ASC, key ASC)
+    AND bloom_filter_fp_chance = 0.01
+    AND caching = {'keys': 'ALL', 'rows_per_partition': 'NONE'}
+    AND comment = ''
+    AND compaction = {'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 'max_threshold': '32', 'min_threshold': '4'}
+    AND compression = {'chunk_length_in_kb': '64', 'class': 'org.apache.cassandra.io.compress.LZ4Compressor'}
+    AND crc_check_chance = 1.0
+    AND dclocal_read_repair_chance = 0.1
+    AND default_time_to_live = 0
+    AND gc_grace_seconds = 864000
+    AND max_index_interval = 2048
+    AND memtable_flush_period_in_ms = 0
+    AND min_index_interval = 128
+    AND read_repair_chance = 0.0
+    AND speculative_retry = '99PERCENTILE';
+CREATE INDEX experiments_key_idx ON minds.experiments (key);
+
 ALTER TABLE minds.withdrawals ADD (status text, address text, gas varint);
 
 CREATE MATERIALIZED VIEW minds.withdrawals_by_status AS

Spec/Core/Experiments/ManagerSpec.php

@@ -19,7 +19,7 @@ class ManagerSpec extends ObjectBehavior
 
     public function it_should_return_a_list_of_experiments()
     {
-        $this->getExperiments()->shouldHaveCount(2);
+        $this->getExperiments()->shouldHaveCount(3);
     }
 
     public function it_should_return_bucket_for_experiment(

settings.example.php

@@ -483,6 +483,9 @@ $CONFIG->set('features', [
     'pro' => false,
     'webtorrent' => false,
     'top-feeds-by-age' => true,
+    'homepage-december-2019' => true,
+    'onboarding-december-2019' => true,
+    'register_pages-december-2019' => true,
 ]);
 
 $CONFIG->set('email', [