Improve APIResponseException class

lib/SparkPost/APIResource.php

@@ -192,11 +192,19 @@ private function callResource( $action, $resourcePath=null, $options=[] ) {
       // Handle 4XX responses, 5XX responses will throw an HttpAdapterException
       if ($statusCode < 400) {
         return json_decode($response->getBody()->getContents(), true);
-      } else {
-        if ($statusCode === 404) {
-          throw new APIResponseException('The specified resource does not exist', 404);
-        }
-        throw new APIResponseException('Received bad response from ' . ucfirst($this->endpoint) . ' API: '. $statusCode );
+      }
+      elseif ($statusCode === 404) {
+        throw new APIResponseException('The specified resource does not exist', 404);
+      }
+      else {
+        $response = json_decode($response->getBody(), true);
+        throw new APIResponseException(
+          'Received bad response from ' . ucfirst($this->endpoint),
+          $statusCode,
+          isset($response['errors'][0]['message']) ? $response['errors'][0]['message'] : "",
+          isset($response['errors'][0]['code']) ? $response['errors'][0]['code'] : 0,
+          isset($response['errors'][0]['description']) ? $response['errors'][0]['description'] : ""
+        );
       }
     }
 
@@ -208,7 +216,7 @@ private function callResource( $action, $resourcePath=null, $options=[] ) {
         throw $exception;
       }
 
-      throw new APIResponseException('Unable to contact ' . ucfirst($this->endpoint) . ' API: '. $exception->getMessage());
+      throw new APIResponseException('Unable to contact ' . ucfirst($this->endpoint) . ' API: '. $exception->getMessage(), $exception->getCode());
     }
   }
 

lib/SparkPost/APIResponseException.php

@@ -3,7 +3,53 @@
 namespace SparkPost;
 
 class APIResponseException extends \Exception {
+  /**
+   * @var string
+   */
+  protected $apiMessage;
 
-}
+  /**
+   * @var int
+   */
+  protected $apiCode;
+
+  /**
+   * @var string
+   */
+  protected $apiDescription;
+
+  /**
+   * Construct the exception.
+   */
+  public function __construct($message = "", $code = 0, $apiMessage = "", $apiCode = 0, $apiDescription = "") {
+    $this->apiMessage = $apiMessage;
+    $this->apiCode = $apiCode;
+    $this->apiDescription = $apiDescription;
+    parent::__construct($message, $code);
+  }
+
+  /**
+   * Gets the Exception message
+   * @return string the Exception message as a string.
+   */
+  public function getAPIMessage() {
+    return $this->apiMessage;
+  }
 
-?>
+  /**
+   * Gets the API Exception code.
+   * @return int the exception code as integer.
+   */
+  public function getAPICode() {
+    return $this->apiCode;
+  }
+
+  /**
+   * Gets the Exception description
+   * @return string the Exception description as a string.
+   */
+  public function getAPIDescription() {
+    return $this->apiDescription;
+  }
+
+}

test/unit/APIResourceExceptionTest.php

@@ -0,0 +1,36 @@
+<?php
+namespace SparkPost\Test;
+use SparkPost\APIResponseException;
+
+class APIResourceExceptionTest extends \PHPUnit_Framework_TestCase {
+
+  private $message;
+  private $code;
+  private $description;
+  private $exception;
+
+  /**
+   * (non-PHPdoc)
+   * @before
+   * @see PHPUnit_Framework_TestCase::setUp()
+   */
+  public function setUp() {
+    $this->message = 'Test message';
+    $this->code = 400;
+    $this->description = 'Test description';
+    $this->exception = new APIResponseException(NULL, 0, $this->message, $this->code, $this->description);
+  }
+
+  public function testAPIMessage() {
+    $this->assertEquals($this->message, $this->exception->getAPIMessage());
+  }
+
+  public function testAPICode() {
+    $this->assertEquals($this->code, $this->exception->getAPICode());
+  }
+
+  public function testAPIDescription() {
+    $this->assertEquals($this->description, $this->exception->getAPIDescription());
+  }
+
+}

test/unit/APIResourceTest.php

@@ -113,11 +113,13 @@ public function testAdapter404Exception() {
 
   public function testAdapter4XXException() {
     try {
+      $testBody = ['errors'=>['my'=>'test']];
       $responseMock = Mockery::mock();
       $this->sparkPostMock->httpAdapter->shouldReceive('send')->
         once()->
         andReturn($responseMock);
       $responseMock->shouldReceive('getStatusCode')->andReturn(400);
+      $responseMock->shouldReceive('getBody')->andReturn(json_encode($testBody));
 
       $this->resource->get('test');
     }