Release 1.1.0

Author: aliabbasrizvi

CHANGELOG.md

@@ -1,3 +1,10 @@
+## 1.1.0
+- Updated to send datafile revision information in log events.
+- Gracefully handle empty entity IDs.
+- Added event tags to track API to allow users to pass in event metadata.
+- Deprecated the `eventValue` parameter from the track method. Should use `eventTags` to pass in event value instead.
+- Relaxed restriction on monolog package. 
+
 ## 1.0.1
 - Updated to support more versions of json-schema package.
 

CONTRIBUTING.md

@@ -1,7 +1,7 @@
-#Contributing to the Optimizely PHP SDK
+# Contributing to the Optimizely PHP SDK
 We welcome contributions and feedback! All contributors must sign our [Contributor License Agreement (CLA)](https://docs.google.com/a/optimizely.com/forms/d/e/1FAIpQLSf9cbouWptIpMgukAKZZOIAhafvjFCV8hS00XJLWQnWDFtwtA/viewform) to be eligible to contribute. Please read the [README](README.md) to set up your development environment, then read the guidelines below for information on submitting your code.
 
-##Development process
+## Development process
 
 1. Create a branch off of `devel`: `git checkout -b YOUR_NAME/branch_name`.
 2. Commit your changes. Make sure to add tests!
@@ -10,12 +10,12 @@ We welcome contributions and feedback! All contributors must sign our [Contribut
 5. Open a pull request from `YOUR_NAME/branch_name` to `devel`.
 6. A repository maintainer will review your pull request and, if all goes well, merge it!
 
-##Pull request acceptance criteria
+## Pull request acceptance criteria
 
 * **All code must have test coverage.** We use PHPUnit. Changes in functionality should have accompanying unit tests. Bug fixes should have accompanying regression tests.
 * Tests are located in `tests` with one file per class.
 
-##License
+## License
 
 All contributions are under the CLA mentioned above. For this project, Optimizely uses the Apache 2.0 license, and so asks that by contributing your code, you agree to license your contribution under the terms of the [Apache License v2.0](http://www.apache.org/licenses/LICENSE-2.0). Your contributions should also include the following header:
 
@@ -39,5 +39,5 @@ All contributions are under the CLA mentioned above. For this project, Optimizel
 
 The YEAR above should be the year of the contribution. If work on the file has been done over multiple years, list each year in the section above. Example: Optimizely writes the file and releases it in 2014. No changes are made in 2015. Change made in 2016. YEAR should be “2014, 2016”.
 
-##Contact
+## Contact
 If you have questions, please contact [email protected].

README.md

@@ -1,35 +1,35 @@
-#Optimizely PHP SDK
+# Optimizely PHP SDK
 [![Build Status](https://travis-ci.org/optimizely/php-sdk.svg?branch=master)](https://travis-ci.org/optimizely/php-sdk)
 [![Coverage Status](https://coveralls.io/repos/github/optimizely/php-sdk/badge.svg?branch=master)](https://coveralls.io/github/optimizely/php-sdk?branch=master)
 [![Total Downloads](https://poser.pugx.org/optimizely/optimizely-sdk/downloads)](https://packagist.org/packages/optimizely/optimizely-sdk)
 [![Apache 2.0](https://img.shields.io/github/license/nebula-plugins/gradle-extra-configurations-plugin.svg)](http://www.apache.org/licenses/LICENSE-2.0)
 
 This repository houses the PHP SDK for Optimizely Full Stack.
 
-##Getting Started
+## Getting Started
 
-###Installing the SDK
+### Installing the SDK
 
 The Optimizely PHP SDK can be installed through [Composer](https://getcomposer.org/). Please use the following command: 
 
 ```
 php composer.phar require optimizely/optimizely-sdk
 ```
 
-###Using the SDK
+### Using the SDK
 See the Optimizely Full Stack [developer documentation](https://developers.optimizely.com/x/solutions/sdks/reference/?language=php) to learn how to set up your first Full Stack project and use the SDK.
 
-##Development
+## Development
 
-###Unit tests
+### Unit tests
 
-#####Running all tests
+##### Running all tests
 You can run all unit tests with:
 
 ```
 ./vendor/bin/phpunit
 ```
 
-###Contributing
+### Contributing
 
 Please see [CONTRIBUTING](CONTRIBUTING.md).

composer.json

@@ -14,7 +14,7 @@
     "justinrainbow/json-schema": "^1.6 || ^2.0 || ^4.0",
     "lastguest/murmurhash": "1.3.0",
     "guzzlehttp/guzzle": "~5.3|~6.2",
-    "monolog/monolog": "1.21.0"
+    "monolog/monolog": "~1.21"
   },
   "require-dev": {
     "phpunit/phpunit": "~4.8|~5.0",

src/Optimizely/Bucketer.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright 2016, Optimizely
+ * Copyright 2016-2017, Optimizely
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -92,7 +92,7 @@ protected function generateBucketValue($bucketingId)
      * @param $parentId mixed ID representing Experiment or Group.
      * @param $trafficAllocations array Traffic allocations for variation or experiment.
      *
-     * @returns string ID representing experiment or variation.
+     * @return string ID representing experiment or variation.
      */
     private function findBucket($userId, $parentId, $trafficAllocations)
     {
@@ -150,7 +150,7 @@ public function bucket(ProjectConfig $config, Experiment $experiment, $userId)
             }
 
             $userExperimentId = $this->findBucket($userId, $group->getId(), $group->getTrafficAllocation());
-            if (is_null($userExperimentId)) {
+            if (empty($userExperimentId)) {
                 $this->_logger->log(Logger::INFO, sprintf('User "%s" is in no experiment.', $userId));
                 return new Variation();
             }
@@ -172,7 +172,7 @@ public function bucket(ProjectConfig $config, Experiment $experiment, $userId)
 
         // Bucket user if not in whitelist and in group (if any).
         $variationId = $this->findBucket($userId, $experiment->getId(), $experiment->getTrafficAllocation());
-        if (!is_null($variationId)) {
+        if (!empty($variationId)) {
             $variation = $config->getVariationFromId($experiment->getKey(), $variationId);
             $this->_logger->log(Logger::INFO,
                 sprintf('User "%s" is in variation %s of experiment %s.',

src/Optimizely/Event/Builder/EventBuilder.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright 2016, Optimizely
+ * Copyright 2016-2017, Optimizely
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@
 use Optimizely\Entity\Experiment;
 use Optimizely\Event\LogEvent;
 use Optimizely\ProjectConfig;
+use Optimizely\Utils\EventTagUtils;
 
 class EventBuilder
 {
@@ -33,7 +34,7 @@ class EventBuilder
     /**
      * @const string Version of the Optimizely PHP SDK.
      */
-    const SDK_VERSION = '1.0.1';
+    const SDK_VERSION = '1.1.0';
 
     /**
      * @var string URL to send impression event to.
@@ -104,6 +105,7 @@ private function setCommonParams($config, $userId, $attributes)
     {
         $this->_eventParams[PROJECT_ID] = $config->getProjectId();
         $this->_eventParams[ACCOUNT_ID] = $config->getAccountId();
+        $this->_eventParams[REVISION] = $config->getRevision();
         $this->_eventParams[VISITOR_ID] = $userId;
         $this->_eventParams[CLIENT_ENGINE] = self::SDK_TYPE;
         $this->_eventParams[CLIENT_VERSION] = self::SDK_VERSION;
@@ -153,20 +155,34 @@ private function setImpressionParams(Experiment $experiment, $variationId)
      * @param $eventKey string Key representing the event.
      * @param $experiments array Experiments for which conversion event needs to be recorded.
      * @param $userId string ID of user.
-     * @param $eventValue integer Value associated with the event.
+     * @param $eventTags array Hash representing metadata associated with the event.
      */
-    private function setConversionParams($config, $eventKey, $experiments, $userId, $eventValue)
+    private function setConversionParams($config, $eventKey, $experiments, $userId, $eventTags)
     {
         $this->_eventParams[EVENT_FEATURES] = [];
         $this->_eventParams[EVENT_METRICS] = [];
 
-        if (!is_null($eventValue)) {
-            $this->_eventParams[EVENT_METRICS] = [
-                [
-                    'name' => 'revenue',
-                    'value' => $eventValue
-                ]
-            ];
+        if (!is_null($eventTags)) {
+            forEach ($eventTags as $eventTagId => $eventTagValue) {
+                if (is_null($eventTagValue)) {
+                    continue;
+                }
+                $eventFeature = array(
+                    'name' => $eventTagId,
+                    'type' => 'custom',
+                    'value' => $eventTagValue,
+                    'shouldIndex' => false,
+                );
+                array_push($this->_eventParams[EVENT_FEATURES], $eventFeature);
+            }
+            $eventValue = EventTagUtils::getRevenueValue($eventTags);
+            if ($eventValue) {
+                $eventMetric = array(
+                    'name' => EventTagUtils::REVENUE_EVENT_METRIC_NAME,
+                    'value' => $eventValue,
+                );
+                array_push($this->_eventParams[EVENT_METRICS], $eventMetric);
+            }
         }
 
         $eventEntity = $config->getEvent($eventKey);
@@ -180,6 +196,7 @@ private function setConversionParams($config, $eventKey, $experiments, $userId,
                 array_push($this->_eventParams[LAYER_STATES], [
                     LAYER_ID => $experiment->getLayerId(),
                     ACTION_TRIGGERED => true,
+                    REVISION => $config->getRevision(),
                     DECISION => [
                         EXPERIMENT_ID => $experiment->getId(),
                         VARIATION_ID => $variation->getId(),
@@ -218,15 +235,15 @@ public function createImpressionEvent($config, Experiment $experiment, $variatio
      * @param $experiments array Experiments for which conversion event needs to be recorded.
      * @param $userId string ID of user.
      * @param $attributes array Attributes of the user.
-     * @param $eventValue integer Value associated with the event.
+     * @param $eventTags array Hash representing metadata associated with the event.
      *
      * @return LogEvent Event object to be sent to dispatcher.
      */
-    public function createConversionEvent($config, $eventKey, $experiments, $userId, $attributes, $eventValue)
+    public function createConversionEvent($config, $eventKey, $experiments, $userId, $attributes, $eventTags)
     {
         $this->resetParams();
         $this->setCommonParams($config, $userId, $attributes);
-        $this->setConversionParams($config, $eventKey, $experiments, $userId, $eventValue);
+        $this->setConversionParams($config, $eventKey, $experiments, $userId, $eventTags);
 
         return new LogEvent(self::$CONVERSION_ENDPOINT, $this->getParams(), self::$HTTP_VERB, self::$HTTP_HEADERS);
     }

src/Optimizely/Event/Builder/Params.php

@@ -17,6 +17,7 @@
 
 define('ACCOUNT_ID', 'accountId');
 define('PROJECT_ID', 'projectId');
+define('REVISION', 'revision');
 define('LAYER_ID', 'layerId');
 define('EXPERIMENT_ID', 'experimentId');
 define('VARIATION_ID', 'variationId');

src/Optimizely/Exceptions/InvalidEventTagException.php

@@ -0,0 +1,23 @@
+<?php
+/**
+ * Copyright 2017, Optimizely
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Optimizely\Exceptions;
+
+
+class InvalidEventTagException extends OptimizelyException
+{
+}

src/Optimizely/Optimizely.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright 2016, Optimizely
+ * Copyright 2016-2017, Optimizely
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,6 +18,7 @@
 
 use Exception;
 use Optimizely\Exceptions\InvalidAttributeException;
+use Optimizely\Exceptions\InvalidEventTagException;
 use Throwable;
 use Monolog\Logger;
 use Optimizely\Entity\Experiment;
@@ -29,6 +30,7 @@
 use Optimizely\Event\Dispatcher\EventDispatcherInterface;
 use Optimizely\Logger\LoggerInterface;
 use Optimizely\Logger\NoOpLogger;
+use Optimizely\Utils\EventTagUtils;
 use Optimizely\Utils\Validator;
 
 /**
@@ -240,9 +242,9 @@ public function activate($experimentKey, $userId, $attributes = null)
      * @param $eventKey string Event key representing the event which needs to be recorded.
      * @param $userId string ID for user.
      * @param $attributes array Attributes of the user.
-     * @param $eventValue integer Value associated with event.
+     * @param $eventTags array Hash representing metadata associated with the event.
      */
-    public function track($eventKey, $userId, $attributes = null, $eventValue = null)
+    public function track($eventKey, $userId, $attributes = null, $eventTags = null)
     {
         if (!$this->_isValid) {
             $this->_logger->log(Logger::ERROR, 'Datafile has invalid format. Failing "track".');
@@ -257,6 +259,24 @@ public function track($eventKey, $userId, $attributes = null, $eventValue = null
             return;
         }
 
+        if (!is_null($eventTags)) {
+            if (is_numeric($eventTags) && !is_string($eventTags)) {
+                $eventTags = array(
+                    EventTagUtils::REVENUE_EVENT_METRIC_NAME => $eventTags,
+                );
+                $this->_logger->log(
+                    Logger::WARNING,
+                    'Event value is deprecated in track call. Use event tags to pass in revenue value instead.'
+                );
+            }
+            if (!Validator::areEventTagsValid($eventTags)) {
+                $this->_logger->log(Logger::ERROR, 'Provided event tags are in an invalid format.');
+                $this->_errorHandler->handleError(
+                    new InvalidEventTagException('Provided event tags are in an invalid format.')
+                );
+            }
+        }
+
         $event = $this->_config->getEvent($eventKey);
 
         if (is_null($event->getKey())) {
@@ -284,7 +304,7 @@ public function track($eventKey, $userId, $attributes = null, $eventValue = null
                     $validExperiments,
                     $userId,
                     $attributes,
-                    $eventValue
+                    $eventTags
                 );
             $this->_logger->log(Logger::INFO, sprintf('Tracking event "%s" for user "%s".', $eventKey, $userId));
             $this->_logger->log(

src/Optimizely/ProjectConfig.php

@@ -184,6 +184,14 @@ public function getProjectId()
         return $this->_projectId;
     }
 
+    /**
+     * @return string String representing revision of the datafile.
+     */
+    public function getRevision()
+    {
+        return $this->_revision;
+    }
+
     /**
      * @param $groupId string ID of the group.
      *