moved config setup and management back into the sparkpost object

1 files changed, 118 insertions, 1 deletions

diff --git a/lib/SparkPost/SparkPost.php b/lib/SparkPost/SparkPost.php
index e64ff9f..aac352b 100644
--- a/lib/SparkPost/SparkPost.php
+++ b/lib/SparkPost/SparkPost.php
@@ -1,10 +1,35 @@
 <?php
 namespace SparkPost;
+use Ivory\HttpAdapter\Configuration;
+use Ivory\HttpAdapter\HttpAdapterInterface;
+
 class SparkPost {
 
   public $transmission;
 
   /**
+   * @dec connection config for making requests.
+   */
+  private $config;
+
+  /**
+   * @desc Ivory\HttpAdapter\HttpAdapterInterface to make requests through.
+   */
+  public $httpAdapter;
+
+  /**
+   * @desc Default config values. Passed in values will override these.
+   */
+  private static $apiDefaults = [
+		'host'=>'api.sparkpost.com',
+		'protocol'=>'https',
+		'port'=>443,
+		'strictSSL'=>true,
+		'key'=>'',
+		'version'=>'v1'
+	];
+
+  /**
    * @desc sets up httpAdapter and config
    *
    * Sets up instances of sub libraries.
@@ -13,7 +38,99 @@ class SparkPost {
    * @param Array $settingsConfig - Hashmap that contains config values for the SDK to connect to SparkPost
    */
 	public function __construct($httpAdapter, $settingsConfig) {
-    $this->transmission = new Transmission($httpAdapter, $settingsConfig);
+    //config needs to be setup before adapter because of default adapter settings
+    $this->setConfig($settingsConfig);
+    $this->setHttpAdapter($httpAdapter);
+
+    $this->transmission = new Transmission($this);
+  }
+
+
+
+  /**
+   * Creates an unwrapped api interface for endpoints that aren't yet supported.
+   * The new resource is attached to this object as well as returned
+   * @return SparkPost\APIResource - the unwrapped resource
+   */
+  public function setupUnwrapped (string $endpoint) {
+    $this->{$endpoint} = new APIResource($this);
+    $this->{$endpoint}->endpoint = $endpoint;
+
+    return $this->{$endpoint};
+  }
+
+  /**
+   * @desc Merges passed in headers with default headers for http requests
+   * @return Array - headers to be set on http requests
+   */
+  public function getHttpHeaders(Array $headers = null) {
+    $defaultOptions = [
+      'Authorization' => $this->config['key'],
+      'Content-Type' => 'application/json',
+    ];
+
+    // Merge passed in headers with defaults
+    if (!is_null($headers)) {
+      foreach ($headers as $header => $value) {
+        $defaultOptions[$header] = $value;
+      }
+    }
+    return $defaultOptions;
+  }
+
+
+  /**
+   * @desc Helper function for getting the configuration for http requests
+   * @return \Ivory\HttpAdapter\Configuration
+   */
+  private function getHttpConfig($config) {
+    // get composer.json to extract version number
+    $composerFile = file_get_contents(dirname(__FILE__) . "/../../composer.json");
+    $composer = json_decode($composerFile, true);
+
+    // create Configuration for http adapter
+    $httpConfig = new Configuration();
+    $baseUrl = $config['protocol'] . '://' . $config['host'] . ($config['port'] ? ':' . $config['port'] : '') . '/api/' . $config['version'];
+    $httpConfig->setBaseUri($baseUrl);
+    $httpConfig->setUserAgent('php-sparkpost/' . $composer['version']);
+    return $httpConfig;
+  }
+
+
+  /**
+   * @desc Validates and sets up the httpAdapter
+   * @param $httpAdapter Ivory\HttpAdapter\HttpAdapterInterface to make requests through.
+   * @throws \Exception
+   */
+  public function setHttpAdapter($httpAdapter) {
+    if (!$httpAdapter instanceOf HttpAdapterInterface) {
+      throw new \Exception('$httpAdapter paramter must be a valid Ivory\HttpAdapter');
+    }
+
+    $this->httpAdapter = $httpAdapter;
+    $this->httpAdapter->setConfiguration($this->getHttpConfig($this->config));
+  }
+
+
+  /**
+   * Allows the user to pass in values to override the defaults and set their API key
+   * @param Array $settingsConfig - Hashmap that contains config values for the SDK to connect to SparkPost
+   * @throws \Exception
+   */
+  public function setConfig(Array $settingsConfig) {
+    // Validate API key because its required
+    if (!isset($settingsConfig['key']) || empty(trim($settingsConfig['key']))){
+      throw new \Exception('You must provide an API key');
+    }
+
+    $this->config = self::$apiDefaults;
+
+    // set config, overriding defaults
+    foreach ($settingsConfig as $configOption => $configValue) {
+      if(key_exists($configOption, $this->config)) {
+        $this->config[$configOption] = $configValue;
+      }
+    }
   }
 }