replaced tabs with two spaces. normalized quotes

5 files changed, 433 insertions, 433 deletions

diff --git a/lib/SendGridCompatibility/Email.php b/lib/SendGridCompatibility/Email.php
index 5576176..251b7f2 100644
--- a/lib/SendGridCompatibility/Email.php
+++ b/lib/SendGridCompatibility/Email.php
@@ -3,197 +3,197 @@ namespace SparkPost\SendGridCompatibility;
 
 class Email {
   public $model;
-	
-	
-	/**
-	 * @desc Sets up the model for saving the configuration
-	 */
-	public function __construct() {
-		$this->model = array();
-	}
-	
-	/**
-	 * @desc adds addresses as recipients
-	 * @param string $address
-	 * @param string $name optional
-	 * @return \SparkPost\SendGridCompatibility\Email
-	 */
-	public function addTo($address, $name = null) {
-		if (!isset($this->model['recipients'])) {
-			$this->model['recipients'] = array();
-		}
-		
-		if(isset($name)) {
-			$address = array('address'=>array('email'=>$address, 'name'=>$name));
-		} else {
-			$address = array('address'=>array('email'=>$address));
-		}
-		
-		array_push($this->model['recipients'], $address);
-		return $this;
-	}
-	
-	/**
-	 * @desc explicitly sets a list of addresses
-	 * @param array $addresses
-	 * @return \SparkPost\SendGridCompatibility\Email
-	 */
-	public function setTos(array $addresses) {
-		$this->model['recipients'] = $addresses;
-		return $this;
-	}
-	
-	/**
-	 * @desc sets the from address
-	 * @param string $address
-	 * @return \MessageSystems\SendGridCompatibility\Email
-	 */
-	public function setFrom($address) {
-		$this->model['from'] = array('email' => $address);
-		return $this;
-	}
-	
-	/**
-	 * @desc sets the name for the from address
-	 * @param string $name
-	 */
-	public function setFromName($name) {
-		if(!isset($this->model['from'])){
-			throw new \Exception('Must set "From" prior to setting "From Name".');
-		}
-		$this->model['from']['name'] = $name;
-		return $this;
-	}
-	
-	/**
-	 * @desc sets the reply to field
-	 * @param string $address
-	 * @return \MessageSystems\SendGridCompatibility\Email
-	 */
-	public function setReplyTo ($address) {
-		$this->model['replyTo'] = $address;
-		return $this;
-	}
-	
-	/**
-	 * @desc throws an error because bcc fields are not yet implemented.
-	 * @throws \Exception
-	 * @param string $address
-	 * @return \MessageSystems\SendGridCompatibility\Email
-	 */
-	public function addBcc($address) {
-		throw new \Exception('Adding bcc recipients is not yet supported, try adding them as a "to" address');
-	}
-	
-	/**
-	 * @desc sets the subject header
-	 * @param string $subject
-	 * @return \SparkPost\SendGridCompatibility\Email
-	 */
-	public function setSubject($subject) {
-		$this->model['subject'] = $subject;
-		return $this;
-	}
-	
-	/**
-	 * @desc sets the text body
-	 * @param string $text
-	 * @return \SparkPost\SendGridCompatibility\Email
-	 */
-	public function setText($text) {
-		$this->model['text'] = $text;
-		return $this;
-	}
-	
-	/**
-	 * @desc sets the html body
-	 * @param string $html
-	 * @return \SparkPost\SendGridCompatibility\Email
-	 */
-	public function setHtml($html) {
-		$this->model['html'] = $html;
-		return $this;
-	}
-	
-	/**
-	 * @desc Throws an exception since adding categories is not yet supported
-	 * @throws \Exception
-	 * @param string $category
-	 * @throws \Exception
-	 */
-	public function addCategory($category) {
-		throw new \Exception('Adding categories is not yet supported');
-	}
-	
-	/**
-	 * @desc Throws an exception since adding attachments is not yet supported
-	 * @throws Exception
-	 * @param mixed $attachment
-	 */
-	public function addAttachment($attachment) {
-		throw new \Exception('Adding attachments is not yet supported');
-	}
-	
-	/**
-	 * @desc Adds transmission level substitution data
-	 * @param string $name
-	 * @param mixed $values
-	 * @return \SparkPost\SendGridCompatibility\Email
-	 */
-	public function addSubstitution($name, $values) {
-		if (!isset($this->model['substitutionData'])) {
-			$this->model['substitutionData'] = array();
-		}
-		$this->model['substitutionData'][$name] = $values;
-		
-		return $this;
-	}
-	
-	/**
-	 * @desc Adds transmission level substitution data
-	 * @param string $name
-	 * @param mixed $values
-	 */
-	public function addSection($name, $values) {
-		$this->addSubstitution($name, $values);
-	}
-	
-	/**
-	 * @desc Throws an exception because arguments for third party systems is not supported
-	 * @throws Exception
-	 * @param mixed $value
-	 */
-	public function addUniqueArg($key, $value) {
-		throw new \Exception('Adding Unique Arguments is not yet supported');
-	}
-	
-	/**
-	 * @desc Throws an exception because arguments for third party systems is not supported
-	 * @throws Exception
-	 * @param mixed $values
-	 */
-	public function setUniqueArgs(array $values) {
-		throw new \Exception('Setting Unique Arguments is not yet supported');
-	}
-	
-	/**
-	 * @desc Adds custom headers to the email header 
-	 * @param string $name
-	 * @param string $value
-	 */
-	public function addHeader($name, $value) {
-		if (!isset($this->model['customHeaders'])) {
-			$this->model['customHeaders'] = array();
-		}
-		$this->model['customHeaders'][$name] = $value;
-	}
-	
-	/**
-	 * @desc converts this object to a configuration for a SparkPost transmission
-	 * @return array
-	 */
-	public function toSparkPostTransmission() {
-		return $this->model;
-	}
+
+
+  /**
+   * @desc Sets up the model for saving the configuration
+   */
+  public function __construct() {
+    $this->model = array();
+  }
+
+  /**
+   * @desc adds addresses as recipients
+   * @param string $address
+   * @param string $name optional
+   * @return \SparkPost\SendGridCompatibility\Email
+   */
+   public function addTo($address, $name = null) {
+    if (!isset($this->model['recipients'])) {
+      $this->model['recipients'] = array();
+    }
+
+    if(isset($name)) {
+      $address = array('address'=>array('email'=>$address, 'name'=>$name));
+    } else {
+      $address = array('address'=>array('email'=>$address));
+    }
+
+    array_push($this->model['recipients'], $address);
+    return $this;
+  }
+
+  /**
+  * @desc explicitly sets a list of addresses
+  * @param array $addresses
+  * @return \SparkPost\SendGridCompatibility\Email
+  */
+  public function setTos(array $addresses) {
+    $this->model['recipients'] = $addresses;
+    return $this;
+  }
+
+  /**
+   * @desc sets the from address
+   * @param string $address
+   * @return \MessageSystems\SendGridCompatibility\Email
+   */
+  public function setFrom($address) {
+    $this->model['from'] = array('email' => $address);
+    return $this;
+  }
+
+  /**
+   * @desc sets the name for the from address
+   * @param string $name
+   */
+  public function setFromName($name) {
+    if(!isset($this->model['from'])){
+      throw new \Exception('Must set \'From\' prior to setting \'From Name\'.');
+    }
+    $this->model['from']['name'] = $name;
+    return $this;
+  }
+
+  /**
+   * @desc sets the reply to field
+   * @param string $address
+   * @return \MessageSystems\SendGridCompatibility\Email
+   */
+  public function setReplyTo ($address) {
+    $this->model['replyTo'] = $address;
+    return $this;
+  }
+
+  /**
+   * @desc throws an error because bcc fields are not yet implemented.
+   * @throws \Exception
+   * @param string $address
+   * @return \MessageSystems\SendGridCompatibility\Email
+   */
+  public function addBcc($address) {
+    throw new \Exception('Adding bcc recipients is not yet supported, try adding them as a \'to\' address');
+  }
+
+  /**
+   * @desc sets the subject header
+   * @param string $subject
+   * @return \SparkPost\SendGridCompatibility\Email
+   */
+  public function setSubject($subject) {
+    $this->model['subject'] = $subject;
+    return $this;
+  }
+
+  /**
+   * @desc sets the text body
+   * @param string $text
+   * @return \SparkPost\SendGridCompatibility\Email
+   */
+  public function setText($text) {
+    $this->model['text'] = $text;
+    return $this;
+  }
+
+  /**
+   * @desc sets the html body
+   * @param string $html
+   * @return \SparkPost\SendGridCompatibility\Email
+   */
+  public function setHtml($html) {
+    $this->model['html'] = $html;
+    return $this;
+  }
+
+  /**
+   * @desc Throws an exception since adding categories is not yet supported
+   * @throws \Exception
+   * @param string $category
+   * @throws \Exception
+   */
+  public function addCategory($category) {
+    throw new \Exception('Adding categories is not yet supported');
+  }
+
+  /**
+   * @desc Throws an exception since adding attachments is not yet supported
+   * @throws Exception
+   * @param mixed $attachment
+   */
+  public function addAttachment($attachment) {
+    throw new \Exception('Adding attachments is not yet supported');
+  }
+
+  /**
+   * @desc Adds transmission level substitution data
+   * @param string $name
+   * @param mixed $values
+   * @return \SparkPost\SendGridCompatibility\Email
+   */
+  public function addSubstitution($name, $values) {
+    if (!isset($this->model['substitutionData'])) {
+      $this->model['substitutionData'] = array();
+    }
+    $this->model['substitutionData'][$name] = $values;
+
+    return $this;
+  }
+
+  /**
+   * @desc Adds transmission level substitution data
+   * @param string $name
+   * @param mixed $values
+   */
+  public function addSection($name, $values) {
+    $this->addSubstitution($name, $values);
+  }
+
+  /**
+   * @desc Throws an exception because arguments for third party systems is not supported
+   * @throws Exception
+   * @param mixed $value
+   */
+  public function addUniqueArg($key, $value) {
+    throw new \Exception('Adding Unique Arguments is not yet supported');
+  }
+
+  /**
+   * @desc Throws an exception because arguments for third party systems is not supported
+   * @throws Exception
+   * @param mixed $values
+   */
+  public function setUniqueArgs(array $values) {
+    throw new \Exception('Setting Unique Arguments is not yet supported');
+  }
+
+  /**
+   * @desc Adds custom headers to the email header
+   * @param string $name
+   * @param string $value
+   */
+  public function addHeader($name, $value) {
+    if (!isset($this->model['customHeaders'])) {
+      $this->model['customHeaders'] = array();
+    }
+    $this->model['customHeaders'][$name] = $value;
+  }
+
+  /**
+   * @desc converts this object to a configuration for a SparkPost transmission
+   * @return array
+   */
+  public function toSparkPostTransmission() {
+    return $this->model;
+  }
 }
-?>
\ No newline at end of file
+?>
diff --git a/lib/SendGridCompatibility/SendGrid.php b/lib/SendGridCompatibility/SendGrid.php
index 25e5d54..7f8697a 100644
--- a/lib/SendGridCompatibility/SendGrid.php
+++ b/lib/SendGridCompatibility/SendGrid.php
@@ -8,17 +8,17 @@ class SendGrid{
   private $sparky;
 
   public function __construct($username, $password, $options = null, $httpAdapter) {
-		//username isn't used in our system
-		$opts = array('key'=>$password);
-		if (!is_null($options)) {
-			$opts = array_merge($opts, $options);
-		}
+    //username isn't used in our system
+    $opts = array('key'=>$password);
+    if (!is_null($options)) {
+      $opts = array_merge($opts, $options);
+    }
 
     $this->sparky = new SparkPost($httpAdapter, $opts);
-	}
+  }
 
-	public function send(Email $email) {
-		$this->sparky->transmission->send($email->toSparkPostTransmission());
-	}
+  public function send(Email $email) {
+    $this->sparky->transmission->send($email->toSparkPostTransmission());
+  }
 }
 ?>
diff --git a/lib/SparkPost/APIResource.php b/lib/SparkPost/APIResource.php
index d500963..3747f6d 100644
--- a/lib/SparkPost/APIResource.php
+++ b/lib/SparkPost/APIResource.php
@@ -9,69 +9,69 @@ use SparkPost\SparkPost;
 class APIResource {
 
   /**
-	 * @desc name of the API endpoint, mainly used for URL construction.
+   * @desc name of the API endpoint, mainly used for URL construction.
    * This is public to provide an interface
    *
-	 * @var string
-	 */
-	public $endpoint;
-
-	/**
-	 * @desc Mapping for values passed into the send method to the values needed for the respective API
-	 * @var array
-	 */
-	protected static $parameterMappings = [];
-
-	/**
-	 * @desc Sets up default structure and default values for the model that is acceptable by the API
-	 * @var array
-	 */
-	protected static $structure = [];
+   * @var string
+   */
+  public $endpoint;
+
+  /**
+   * @desc Mapping for values passed into the send method to the values needed for the respective API
+   * @var array
+   */
+  protected static $parameterMappings = [];
+
+  /**
+   * @desc Sets up default structure and default values for the model that is acceptable by the API
+   * @var array
+   */
+  protected static $structure = [];
 
   /**
    * @desc SparkPost reference for httpAdapters and configs
    */
   protected $sparkpost;
 
-	/**
-	 * @desc Initializes config and httpAdapter for use later.
+  /**
+   * @desc Initializes config and httpAdapter for use later.
    * @param $sparkpost SparkPost\SparkPost provides api configuration information
-	 */
-	public function __construct(SparkPost $sparkpost) {
+   */
+  public function __construct(SparkPost $sparkpost) {
     $this->sparkpost = $sparkpost;
   }
 
-	/**
-	 * @desc Private Method helper to reference parameter mappings and set the right value for the right parameter
+  /**
+   * @desc Private Method helper to reference parameter mappings and set the right value for the right parameter
    *
    * @param array $model (pass by reference) the set of values to map
    * @param string $mapKey a dot syntax path determining which value to set
    * @param mixed $value value for the given path
-	 */
-	protected function setMappedValue (&$model, $mapKey, $value) {
-		//get mapping
-		if( empty(static::$parameterMappings) ) {
-			// if parameterMappings is empty we can assume that no wrapper is defined
-			// for the current endpoint and we will use the mapKey to define the mappings directly
-			$mapPath = $mapKey;
-		}elseif(array_key_exists($mapKey, static::$parameterMappings)) {
-			// use only defined parameter mappings to construct $model
-			$mapPath = static::$parameterMappings[$mapKey];
-		} else {
-			return;
-		}
-
-		$path = explode('.', $mapPath);
-		$temp = &$model;
-		foreach( $path as $key ) {
-			if( !isset($temp[$key]) ){
-				$temp[$key] = null;
-			}
-			$temp = &$temp[$key];
-		}
-		$temp = $value;
-
-	}
+   */
+  protected function setMappedValue (&$model, $mapKey, $value) {
+    //get mapping
+    if( empty(static::$parameterMappings) ) {
+      // if parameterMappings is empty we can assume that no wrapper is defined
+      // for the current endpoint and we will use the mapKey to define the mappings directly
+      $mapPath = $mapKey;
+    }elseif(array_key_exists($mapKey, static::$parameterMappings)) {
+      // use only defined parameter mappings to construct $model
+      $mapPath = static::$parameterMappings[$mapKey];
+    } else {
+      return;
+    }
+
+    $path = explode('.', $mapPath);
+    $temp = &$model;
+    foreach( $path as $key ) {
+      if( !isset($temp[$key]) ){
+        $temp[$key] = null;
+      }
+      $temp = &$temp[$key];
+    }
+    $temp = $value;
+
+  }
 
   /**
    * @desc maps values from the passed in model to those needed for the request
@@ -79,52 +79,52 @@ class APIResource {
    * @param $model the set of defaults
    * @return array A model ready for the body of a request
    */
-	protected function buildRequestModel(Array $requestConfig, Array $model=[] ) {
-		foreach($requestConfig as $key => $value) {
-			$this->setMappedValue($model, $key, $value);
-		}
-		return $model;
-	}
-
-	/**
-	 * @desc posts to the api with a supplied body
+  protected function buildRequestModel(Array $requestConfig, Array $model=[] ) {
+    foreach($requestConfig as $key => $value) {
+      $this->setMappedValue($model, $key, $value);
+    }
+    return $model;
+  }
+
+  /**
+   * @desc posts to the api with a supplied body
    * @param body post body for the request
    * @return array Result of the request
-	 */
-	public function create(Array $body=[]) {
-		return $this->callResource( 'post', null, ['body'=>$body]);
-	}
+   */
+  public function create(Array $body=[]) {
+    return $this->callResource( 'post', null, ['body'=>$body]);
+  }
 
   /**
    * @desc Makes a put request to the api with a supplied body
    * @param body Put body for the request
    * @return array Result of the request
-	 */
-	public function update( $resourcePath, Array $body=[]) {
-		return $this->callResource( 'put', $resourcePath, ['body'=>$body]);
-	}
-
-	/**
-	 * @desc Wrapper method for issuing GET request to current API endpoint
-	 *
-	 * @param string $resourcePath (optional) string resource path of specific resource
-	 * @param array $options (optional) query string parameters
-	 * @return array Result of the request
-	 */
-	public function get( $resourcePath=null, Array $query=[] ) {
-		return $this->callResource( 'get', $resourcePath, ['query'=>$query] );
-	}
-
-	/**
-	 * @desc Wrapper method for issuing DELETE request to current API endpoint
-	 *
-	 * @param string $resourcePath (optional) string resource path of specific resource
-	 * @param array $options (optional) query string parameters
-	 * @return array Result of the request
-	 */
-	public function delete( $resourcePath=null, Array $query=[] ) {
-		return $this->callResource( 'delete', $resourcePath, ['query'=>$query] );
-	}
+   */
+  public function update( $resourcePath, Array $body=[]) {
+    return $this->callResource( 'put', $resourcePath, ['body'=>$body]);
+  }
+
+  /**
+   * @desc Wrapper method for issuing GET request to current API endpoint
+   *
+   * @param string $resourcePath (optional) string resource path of specific resource
+   * @param array $options (optional) query string parameters
+   * @return array Result of the request
+   */
+  public function get( $resourcePath=null, Array $query=[] ) {
+    return $this->callResource( 'get', $resourcePath, ['query'=>$query] );
+  }
+
+  /**
+   * @desc Wrapper method for issuing DELETE request to current API endpoint
+   *
+   * @param string $resourcePath (optional) string resource path of specific resource
+   * @param array $options (optional) query string parameters
+   * @return array Result of the request
+   */
+  public function delete( $resourcePath=null, Array $query=[] ) {
+    return $this->callResource( 'delete', $resourcePath, ['query'=>$query] );
+  }
 
 
   /**
@@ -156,59 +156,59 @@ class APIResource {
   private function buildBody($options) {
     $body = null;
     if( !empty($options['body']) ) {
-			$model = static::$structure;
-			$requestModel = $this->buildRequestModel( $options['body'], $model );
-			$body = json_encode($requestModel);
-		}
+      $model = static::$structure;
+      $requestModel = $this->buildRequestModel( $options['body'], $model );
+      $body = json_encode($requestModel);
+    }
     return $body;
   }
 
 
-	/**
-	 * @desc Private Method for issuing GET and DELETE request to current API endpoint
-	 *
-	 *  This method is responsible for getting the collection _and_
-	 *  a specific entity from the API endpoint
-	 *
-	 *  If resourcePath parameter is omitted, then we fetch the collection
-	 *
-	 * @param string $action HTTP method type
-	 * @param string $resourcePath (optional) string resource path of specific resource
-	 * @param array $options (optional) query string parameters
-	 * @return array Result set of action performed on resource
-	 */
-	private function callResource( $action, $resourcePath=null, $options=[] ) {
-		$action = strtoupper($action); // normalize
-
-		if( !in_array($action, ['POST', 'PUT', 'GET', 'DELETE'])) {
-			throw new \Exception('Invalid resource action');
-		}
-
-		$url = $this->buildUrl($resourcePath, $options);
-		$body = $this->buildBody($options);
-
-		//make request
-		try {
-			$response = $this->sparkpost->httpAdapter->send($url, $action, $this->sparkpost->getHttpHeaders(), $body);
-			return json_decode($response->getBody()->getContents(), true);
-		}
-		/*
-		 * Handles 4XX responses
+  /**
+   * @desc Private Method for issuing GET and DELETE request to current API endpoint
+   *
+   *  This method is responsible for getting the collection _and_
+   *  a specific entity from the API endpoint
+   *
+   *  If resourcePath parameter is omitted, then we fetch the collection
+   *
+   * @param string $action HTTP method type
+   * @param string $resourcePath (optional) string resource path of specific resource
+   * @param array $options (optional) query string parameters
+   * @return array Result set of action performed on resource
+   */
+  private function callResource( $action, $resourcePath=null, $options=[] ) {
+    $action = strtoupper($action); // normalize
+
+    if( !in_array($action, ['POST', 'PUT', 'GET', 'DELETE'])) {
+      throw new \Exception('Invalid resource action');
+    }
+
+    $url = $this->buildUrl($resourcePath, $options);
+    $body = $this->buildBody($options);
+
+    //make request
+    try {
+      $response = $this->sparkpost->httpAdapter->send($url, $action, $this->sparkpost->getHttpHeaders(), $body);
+      return json_decode($response->getBody()->getContents(), true);
+    }
+    /*
+     * Handles 4XX responses
      */
     catch (HttpAdapterException $exception) {
-    	$response = $exception->getResponse();
-    	$statusCode = $response->getStatusCode();
-			if($statusCode === 404) {
-				throw new \Exception("The specified resource does not exist", 404);
-			}
-			throw new \Exception("Received bad response from ".ucfirst($this->endpoint)." API: ". $statusCode );
-		}
-		/*
-		 * Handles 5XX Errors, Configuration Errors, and a catch all for other errors
-		 */
-		catch (\Exception $exception) {
-			throw new \Exception("Unable to contact ".ucfirst($this->endpoint)." API: ". $exception->getMessage());
-		}
-	}
+      $response = $exception->getResponse();
+      $statusCode = $response->getStatusCode();
+      if($statusCode === 404) {
+        throw new \Exception('The specified resource does not exist', 404);
+      }
+      throw new \Exception('Received bad response from '.ucfirst($this->endpoint).' API: '. $statusCode );
+    }
+    /*
+     * Handles 5XX Errors, Configuration Errors, and a catch all for other errors
+     */
+    catch (\Exception $exception) {
+      throw new \Exception('Unable to contact '.ucfirst($this->endpoint).' API: '. $exception->getMessage());
+    }
+  }
 
 }
diff --git a/lib/SparkPost/SparkPost.php b/lib/SparkPost/SparkPost.php
index d9dc3c8..b3cef5e 100644
--- a/lib/SparkPost/SparkPost.php
+++ b/lib/SparkPost/SparkPost.php
@@ -21,13 +21,13 @@ class SparkPost {
    * @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'
-	];
+    'host'=>'api.sparkpost.com',
+    'protocol'=>'https',
+    'port'=>443,
+    'strictSSL'=>true,
+    'key'=>'',
+    'version'=>'v1'
+  ];
 
   /**
    * @desc sets up httpAdapter and config
@@ -37,7 +37,7 @@ class SparkPost {
    * @param Ivory\HttpAdapter $httpAdapter - An adapter for making http requests
    * @param Array $settingsConfig - Hashmap that contains config values for the SDK to connect to SparkPost
    */
-	public function __construct($httpAdapter, $settingsConfig) {
+  public function __construct($httpAdapter, $settingsConfig) {
     //config needs to be setup before adapter because of default adapter settings
     $this->setConfig($settingsConfig);
     $this->setHttpAdapter($httpAdapter);
@@ -85,7 +85,7 @@ class SparkPost {
    */
   private function getHttpConfig($config) {
     // get composer.json to extract version number
-    $composerFile = file_get_contents(dirname(__FILE__) . "/../../composer.json");
+    $composerFile = file_get_contents(dirname(__FILE__) . '/../../composer.json');
     $composer = json_decode($composerFile, true);
 
     // create Configuration for http adapter
diff --git a/lib/SparkPost/Transmission.php b/lib/SparkPost/Transmission.php
index f811cdf..613ec12 100644
--- a/lib/SparkPost/Transmission.php
+++ b/lib/SparkPost/Transmission.php
@@ -10,99 +10,99 @@ class Transmission extends APIResource {
 
   public $endpoint = 'transmissions';
 
-	/**
-	 * @desc Mapping for values passed into the send method to the values needed for the Transmission API
-	 * @var array
-	 */
-	protected static $parameterMappings = [
-		'campaign'=>'campaign_id',
-		'metadata'=>'metadata',
-		'substitutionData'=>'substitution_data',
-		'description'=>'description',
-		'returnPath'=>'return_path',
-		'replyTo'=>'content.reply_to',
-		'subject'=>'content.subject',
-		'from'=>'content.from',
-		'html'=>'content.html',
-		'text'=>'content.text',
-		'rfc822'=>'content.email_rfc822',
-		'customHeaders'=>'content.headers',
-		'recipients'=>'recipients',
-		'recipientList'=>'recipients.list_id',
-		'template'=>'content.template_id',
-		'trackOpens'=>'options.open_tracking',
-		'trackClicks'=>'options.click_tracking',
-		'useDraftTemplate'=>'use_draft_template'
-	];
+  /**
+   * @desc Mapping for values passed into the send method to the values needed for the Transmission API
+   * @var array
+   */
+  protected static $parameterMappings = [
+    'campaign'=>'campaign_id',
+    'metadata'=>'metadata',
+    'substitutionData'=>'substitution_data',
+    'description'=>'description',
+    'returnPath'=>'return_path',
+    'replyTo'=>'content.reply_to',
+    'subject'=>'content.subject',
+    'from'=>'content.from',
+    'html'=>'content.html',
+    'text'=>'content.text',
+    'rfc822'=>'content.email_rfc822',
+    'customHeaders'=>'content.headers',
+    'recipients'=>'recipients',
+    'recipientList'=>'recipients.list_id',
+    'template'=>'content.template_id',
+    'trackOpens'=>'options.open_tracking',
+    'trackClicks'=>'options.click_tracking',
+    'useDraftTemplate'=>'use_draft_template'
+  ];
 
-	/**
-	 * @desc Sets up default structure and default values for the model that is acceptable by the API
-	 * @var array
-	 */
-	protected static $structure = [
-		'return_path'=>"default@sparkpostmail.com",
-		'content'=>[
-			'html'=>null,
-			'text'=>null,
-			'email_rfc822'=>null
-		],
-		'use_draft_template'=>false
-	];
+  /**
+   * @desc Sets up default structure and default values for the model that is acceptable by the API
+   * @var array
+   */
+  protected static $structure = [
+    'return_path'=>'default@sparkpostmail.com',
+    'content'=>[
+      'html'=>null,
+      'text'=>null,
+      'email_rfc822'=>null
+    ],
+    'use_draft_template'=>false
+  ];
 
-	/**
-	 * @desc Method for issuing POST request to the Transmissions API
-	 *
-	 *  This method assumes that all the appropriate fields have
-	 *  been populated by the user through configuration.  Acceptable
-	 *  configuration values are:
-	 *  'campaign': string,
-	 *	'metadata': array,
-	 *	'substitutionData': array,
-	 *	'description': string,
-	 *	'replyTo': string,
-	 *	'subject': string,
-	 *	'from': string,
-	 *	'html': string,
-	 *	'text': string,
-	 *	'rfc822': string,
-	 *	'customHeaders': array,
-	 *	'recipients': array,
-	 *	'recipientList': string,
-	 *	'template': string,
-	 *	'trackOpens': boolean,
-	 *	'trackClicks': boolean,
-	 *	'useDraftTemplate': boolean
-	 *
-	 * @return array API repsonse represented as key-value pairs
-	 */
-	public function send( $transmissionConfig ) {
-		return $this->create( $transmissionConfig );
-	}
+  /**
+   * @desc Method for issuing POST request to the Transmissions API
+   *
+   *  This method assumes that all the appropriate fields have
+   *  been populated by the user through configuration.  Acceptable
+   *  configuration values are:
+   *  'campaign': string,
+   *  'metadata': array,
+   *  'substitutionData': array,
+   *  'description': string,
+   *  'replyTo': string,
+   *  'subject': string,
+   *  'from': string,
+   *  'html': string,
+   *  'text': string,
+   *  'rfc822': string,
+   *  'customHeaders': array,
+   *  'recipients': array,
+   *  'recipientList': string,
+   *  'template': string,
+   *  'trackOpens': boolean,
+   *  'trackClicks': boolean,
+   *  'useDraftTemplate': boolean
+   *
+   * @return array API repsonse represented as key-value pairs
+   */
+  public function send( $transmissionConfig ) {
+    return $this->create( $transmissionConfig );
+  }
 
-	/**
-	 * @desc Method for retrieving information about all transmissions
-	 *  Wrapper method for a cleaner interface
-	 *
-	 * @return array result Set of transmissions
-	 */
-	public function all( $campaignID=null, $templateID=null ) {
-		$options = [];
-		if( $campaignID !== NULL ) $options['campaign_id'] = $campaignID;
-		if( $templateID !== NULL ) $options['template_id'] = $templateID;
+  /**
+   * @desc Method for retrieving information about all transmissions
+   *  Wrapper method for a cleaner interface
+   *
+   * @return array result Set of transmissions
+   */
+  public function all( $campaignID=null, $templateID=null ) {
+    $options = [];
+    if( $campaignID !== NULL ) $options['campaign_id'] = $campaignID;
+    if( $templateID !== NULL ) $options['template_id'] = $templateID;
 
-		return $this->get( null, $options );
-	}
+    return $this->get( null, $options );
+  }
 
-	/**
-	 * @desc Method for retrieving information about a single transmission
- 	 *  Wrapper method for a cleaner interface
- 	 *
-	 * @param string $transmissionID Identifier of the transmission to be found
-	 * @return array result Single transmission represented in key-value pairs
-	 */
-	public function find($transmissionID) {
-		return $this->get($transmissionID);
-	}
+  /**
+   * @desc Method for retrieving information about a single transmission
+    *  Wrapper method for a cleaner interface
+    *
+   * @param string $transmissionID Identifier of the transmission to be found
+   * @return array result Single transmission represented in key-value pairs
+   */
+  public function find($transmissionID) {
+    return $this->get($transmissionID);
+  }
 }
 
 ?>