Refactored to use http adapter instead of guzzle directly

1 files changed, 74 insertions, 10 deletions

diff --git a/lib/SparkPost/SparkPost.php b/lib/SparkPost/SparkPost.php
index 755df46..3b54ada 100644
--- a/lib/SparkPost/SparkPost.php
+++ b/lib/SparkPost/SparkPost.php
@@ -1,30 +1,34 @@
 <?php
 namespace SparkPost;
+use Ivory\HttpAdapter;
+use Ivory\HttpAdapter\Configuration;
 
 class SparkPost {
-	
+
 	private static $config;
+	private static $httpAdapter;
+
 	private static $defaults = array(
 			'host'=>'api.sparkpost.com',
 			'protocol'=>'https',
 			'port'=>443,
 			'strictSSL'=>true,
 			'key'=>'',
-			'version'=>'v1'	
+			'version'=>'v1'
 		);
-	
+
 	/**
 	 * Enforce that this object can't be instansiated
 	 */
 	private function __construct(){}
-	
+
 	/**
 	 * Allows the user to pass in values to override the defaults and set their API key
 	 * @param Array $configMap - Hashmap that contains config values for the SDK to connect to SparkPost
 	 * @throws \Exception
 	 */
-	public static function setConfig(array $configMap) {
-		//check for API key because its required	
+	public static function setConfig($httpAdapter, array $configMap) {
+		//check for API key because its required
 		if (isset($configMap['key'])){
 			$key = trim($configMap['key']);
 			if(empty($key)){
@@ -33,28 +37,88 @@ class SparkPost {
 		} else {
 			throw new \Exception('You must provide an API key');
 		}
+		// TODO: need to figure out how to enforce this
+		// if (!$httpAdapter instanceOf HttpAdapterInterface) {
+		// 	throw new \Exception('First Argument must be a valid Ivory\HttpAdapter');
+		// }
+
 		self::$config = self::$defaults;
+
+		self::$httpAdapter = $httpAdapter;
+
 		foreach ($configMap as $configOption => $configValue) {
 			if(key_exists($configOption, self::$config)) {
 				self::$config[$configOption] = $configValue;
 			}
 		}
+
+		self::$httpAdapter->setConfiguration(self::getHttpConfig(self::$config));
+	}
+
+
+	/**
+	 * @desc Merges passed in headers with default headers for http requests
+	 * @return Array - headers to be set on http requests
+	 */
+	public static function getHttpHeaders(Array $headers = null) {
+		$defaultOptions = [
+			'Authorization' => self::$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 $defaultOptions;
+	}
+
+
+	/**
+	 * @desc Helper function for getting the configuration for http requests
+	 * @return \Ivory\HttpAdapter\Configuration
+	 */
+	 // TODO: Need to figure out how to set strictSSL
+	private static function getHttpConfig($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 $httpConfig;
 	}
-	
+
 	/**
 	 * Retrieves the configuration that was previously setup by the user
 	 * @throws \Exception
 	 */
 	public static function getConfig() {
-		if (self::$config === null) {	
+		if (self::$config === null) {
 			throw new \Exception('No configuration has been provided');
 		}
 		return self::$config;
 	}
-	
+
 	public static function unsetConfig() {
 		self::$config = NULL;
 	}
+
+	/**
+	 * Retrieves the Http Adapter that was previously setup by the user
+	 * @throws \Exception
+	 */
+	public static function getHttpAdapter() {
+		if (self::$config === null) {
+			throw new \Exception('No Http Adapter has been provided');
+		}
+		return self::$httpAdapter;
+	}
 }
 
-?>
\ No newline at end of file
+?>