Fixed some bugs in api configuration.

New class created with the event type constants.

src/Api/InAppEvent.php

@@ -19,12 +19,14 @@
 
 namespace Jlorente\Appsflyer\Api;
 
+use GuzzleHttp\RequestOptions;
 use Jlorente\Appsflyer\Core\Api;
 
 /**
  * Class InAppEvent.
  * 
  * @author Jose Lorente <jose.lorente.martin@gmail.com>
+ * @see https://support.appsflyer.com/hc/en-us/articles/115005544169-Rich-In-App-Events-Android-and-iOS#EventTypes
  */
 class InAppEvent extends Api
 {
@@ -46,7 +48,9 @@ class InAppEvent extends Api
      */
     public function create($appId, array $parameters = [])
     {
-        return $this->_post("inappevent/$appId", $parameters);
+        return $this->_post("inappevent/$appId", [
+                    RequestOptions::JSON => $parameters
+        ]);
     }
 
 }

src/Appsflyer.php

@@ -107,9 +107,9 @@ class Appsflyer
      *
      * @return string
      */
-    public function getApiKey()
+    public function getDevKey()
     {
-        return $this->config->getApiKey();
+        return $this->config->getDevKey();
     }
 
     /**

src/ConfigInterface.php

@@ -42,15 +42,15 @@ interface ConfigInterface
      *
      * @return string
      */
-    public function getApiKey();
+    public function getDevKey();
 
     /**
-     * Sets the Appsflyer API key.
+     * Sets the Appsflyer DEV key.
      *
-     * @param  string  $apiKey
+     * @param  string  $devKey
      * @return $this
      */
-    public function setApiKey($apiKey);
+    public function setDevKey($devKey);
 
     /**
      * Returns the Appsflyer API version.

src/Core/Api.php

@@ -31,6 +31,7 @@ use Psr\Http\Message\ResponseInterface;
 use GuzzleHttp\Exception\ClientException;
 use GuzzleHttp\Exception\ConnectException;
 use GuzzleHttp\Exception\TransferException;
+use GuzzleHttp\RequestOptions;
 
 abstract class Api implements ApiInterface
 {
@@ -152,9 +153,8 @@ abstract class Api implements ApiInterface
     public function execute($httpMethod, $url, array $parameters = [])
     {
         try {
-            $parameters = Utility::prepareParameters($parameters);
-
-            $response = $this->getClient()->{$httpMethod}('/' . $url, ['query' => $parameters]);
+            // $parameters = Utility::prepareParameters($parameters);
+            $response = $this->getClient()->{$httpMethod}('/' . $url, $parameters);
 
             return json_decode((string) $response->getBody(), true);
         } catch (ClientException $e) {
@@ -186,7 +186,7 @@ abstract class Api implements ApiInterface
         $stack->push(Middleware::mapRequest(function (RequestInterface $request) {
                     $config = $this->config;
 
-                    $request = $request->withHeader('authentication', base64_encode($config->getApiKey()));
+                    $request = $request->withHeader('authentication', $config->getDevKey());
 
                     return $request;
                 }));

src/Data/InAppEventType.php

@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * Part of the Appsflyer package.
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the 3-clause BSD License.
+ *
+ * This source file is subject to the 3-clause BSD License that is
+ * bundled with this package in the LICENSE file.
+ *
+ * @package    Appsflyer
+ * @version    1.0.0
+ * @author     Jose Lorente
+ * @license    BSD License (3-clause)
+ * @copyright  (c) 2018, Jose Lorente
+ */
+
+namespace Jlorente\Appsflyer\Data;
+
+/**
+ * Class InAppEventType.
+ * 
+ * @author Jose Lorente <jose.lorente.martin@gmail.com>
+ * @see https://support.appsflyer.com/hc/en-us/articles/115005544169-Rich-In-App-Events-Android-and-iOS#EventTypes
+ */
+class InAppEventType
+{
+
+    const LEVEL_ACHIEVED = 'af_level_achieved';
+    const ADD_PAYMENT_INFO = 'af_add_payment_info';
+    const ADD_TO_CART = 'af_add_to_cart';
+    const ADD_TO_WISH_LIST = 'af_add_to_wishlist';
+    const COMPLETE_REGISTRATION = 'af_complete_registration';
+    const TUTORIAL_COMPLETION = 'af_tutorial_completion';
+    const INITIATED_CHECKOUT = 'af_initiated_checkout';
+    const PURCHASE = 'af_purchase';
+    const RATE = 'af_rate';
+    const SEARCH = 'af_search';
+    const SPENT_CREDIT = 'af_spent_credits';
+    const ACHIEVEMENT_UNLOCKED = 'af_achievement_unlocked';
+    const CONTENT_VIEW = 'af_content_view';
+    const LIST_VIEW = 'af_list_view';
+    const TRAVEL_BOOKING = 'af_travel_booking';
+    const SHARE = 'af_share';
+    const INVITE = 'af_invite';
+    const LOGIN = 'af_login';
+    const RE_ENGAGE = 'af_re_engage';
+    const OPENED_FROM_PUSH_NOTIFICATION = 'af_opened_from_push_notification';
+    const UPDATE = 'af_update';
+
+}

src/Utility.php

@@ -32,7 +32,7 @@ class Utility
         $toConvert = [ 'amount', 'price' ];
 
         if (self::needsAmountConversion($parameters)) {
-            if ($converter = Stripe::getAmountConverter()) {
+            if ($converter = Appsflyer::getAmountConverter()) {
                 foreach ($toConvert as $to) {
                     if (isset($parameters[$to])) {
                         $parameters[$to] = forward_static_call_array(