Docusign Send Document Method

class DocuSign
{
	var $config = array();
	var $loginUrl = 'https://demo.docusign.net/restapi/v2/login_information';

	// Settings
	var $logTrans = true;
	var $logfile = 'apilog.txt';
	var $testmode = false;

	// Recipient information
	var $recipientName = '';
	var $recipientEmail = '';
	var $recipientId = null; // userid

	// Transaction components
	var $filename = '';
	var $basename = '';
	var $documentId = null; // Contract ID number
	var $emailSubject = '';
	var $header = '';
	var $accountId = null;
	var $baseUrl = '';

	// Input form location
	var $pageNumber = 1;
	var $xPosition = 100;
	var $yPosition = 100;

	// Diagnostics
	var $log = array();
	var $rawResponse = '';
	var $response = array();
	var $errors = array();


	/**
	* Hold onto the configs
	*
	* @param	array			The CMS configs array
	**/
	public function __construct($config)
	{
		$this->config = $config;
	}


	/**
	* Construct the transaction header
	**/
	function constructHeader()
	{
		$this->header = '<DocuSignCredentials>';
		$this->header .= '<Username>' . $this->config['docusign']['username'] . '</Username>';
		$this->header .= '<Password>' . $this->config['docusign']['password'] . '</Password>';
		$this->header .= '<IntegratorKey>' . $this->config['docusign']['integratorKey'] . '</IntegratorKey>';
		$this->header .= '</DocuSignCredentials>';
	}


	/**
	* Execute a login to DocuSign
	**/
	function login()
	{
		$this->constructHeader();

		$ch = curl_init($this->loginUrl);

		curl_setopt($ch, CURLOPT_HEADER, false);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($ch, CURLOPT_HTTPHEADER, array('X-DocuSign-Authentication: ' . $this->header));

		$this->rawResponse = curl_exec($ch);
		$status = curl_getinfo($ch, CURLINFO_HTTP_CODE);

		if ($status != 200)
		{
			$this->errors[] = 'ERROR! HTTP request returned ' . $status;
			return false;
		}

		$this->response = json_decode($this->rawResponse, true);
		$this->accountId = $this->response['loginAccounts'][0]['accountId'];
		$this->baseUrl = $this->response['loginAccounts'][0]['baseUrl'];

		curl_close($ch);

		return $this->response;
	}


	/**
	* Send a document to Docusign to be signed
	*
	* @param	string			The filename of the document to send to DocuSign
	**/
	function sendDocument($filename='')
	{
		if (!empty($filename))
		{
			$this->filename = $filename;
		}

		$this->basename = basename($this->filename);

		// Send document
		$data = array (
			'emailSubject' => $this->emailSubject,
			'documents' => array(
				array(
					'documentId' => $this->documentId,
					'name' => 'Contract'//$this->filename
				)
			),
			'recipients' => array(
				'signers' => array(
					array(
						'email' => $this->recipientEmail,
						'name' => $this->recipientName,
						'recipientId' => $this->recipientId, // userid
						'tabs' => array(
							'signHereTabs' => array(
								array(
									'xPosition' => $this->xPosition,
									'yPosition' => $this->yPosition,
									'documentId' => $this->documentId,
									'pageNumber' => $this->pageNumber
								)
							)
						)
					)
				)
			),
			'status' => 'sent'
		);

		$data_string = json_encode($data);
		$file_contents = file_get_contents($this->filename);

		// Put together a request body that Docusign can understand
		$requestBody = "\r\n";
		$requestBody .= "\r\n";
		$requestBody .= "--myboundary\r\n";
		$requestBody .= "Content-Type: application/json\r\n";
		$requestBody .= "Content-Disposition: form-data\r\n";
		$requestBody .= "\r\n";
		$requestBody .= $data_string . "\r\n";
		$requestBody .= "--myboundary\r\n";
		$requestBody .= "Content-Type:application/pdf\r\n";
		$requestBody .= "Content-Disposition: file; filename=\"" . $this->basename . "\"; documentid=" . $this->documentId . " \r\n";
		$requestBody .= "\r\n";
		$requestBody .= $file_contents . "\r\n";
		$requestBody .= "--myboundary--\r\n";
		$requestBody .= "\r\n";

		// *** append "/envelopes" to baseUrl and as signature request endpoint
		$curl = curl_init($this->baseUrl . '/envelopes');

		curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($curl, CURLOPT_POST, true);
		curl_setopt($curl, CURLOPT_POSTFIELDS, $requestBody);
		curl_setopt($curl, CURLOPT_HTTPHEADER, array(
				'Content-Type: multipart/form-data;boundary=myboundary',
				'Content-Length: ' . strlen($requestBody),
				'X-DocuSign-Authentication: ' . $this->header
			)
		);

		$this->response = curl_exec($curl);
		$status = curl_getinfo($curl, CURLINFO_HTTP_CODE);

		curl_close($curl);

		if ( $status != 201 )
		{
			$this->errors[] = 'ERROR! HTTP request returned ' . $status;
			return false;
		}

		$response = json_decode($this->response, true);

		//--- display results
		return $response['envelopeId'];
	}


	/*
	* Get the URL with which to embed a signing request
	*
	* @param	string			The envelope ID
	*/
	function embeddedSigning($envelopeId)
	{
		// Get the Embedded Singing View
		$data = array(
			'returnUrl' => 'http://www.cgleasedevelopment.com',
			'authenticationMethod' => 'Email',
			'email' => $this->recipientEmail,
			'userName' => $this->recipientName,
			'clientUserId' => $this->recipientId // userid
		);

		$data_string = json_encode($data);

		$curl = curl_init($this->baseUrl . '/envelopes/' . $envelopeId . '/views/recipient');

		curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($curl, CURLOPT_POST, true);
		curl_setopt($curl, CURLOPT_POSTFIELDS, $data_string);
		curl_setopt($curl, CURLOPT_HTTPHEADER, array(
			'Content-Type: application/json',
			'Content-Length: ' . strlen($data_string),
			'X-DocuSign-Authentication: ' . $this->header
		));
		curl_setopt($curl, CURLINFO_HEADER_OUT, true);

		$this->response = curl_exec($curl);
		$status = curl_getinfo($curl, CURLINFO_HTTP_CODE);

		if ($status != 201)
		{
			$this->errors[] = 'ERROR! HTTP request returned ' . $status;
			$this->errors[] = $this->response;
			return false;
		}

		curl_close($curl);

		$response = json_decode($this->response, true);

		return $response['url'];
	}
}
?>

<?php
require_once('config.inc.php');

$DocuSign = new DocuSign($config);

if ($DocuSign->login())
{
	$DocuSign->recipientName = 'Kraven Morehead';
	$DocuSign->recipientEmail = 'myemail@email.com';
	$DocuSign->recipientId = 1;

	$DocuSign->filename = '/path/to/file/_test.pdf';
	$DocuSign->documentId = 1234;
	$DocuSign->emailSubject = 'This is a test document';

	$envelopeId = $DocuSign->sendDocument();

	if ($envelopeId)
	{
		echo 'Success! Envelope #' . $envelopeId . PHP_EOL . PHP_EOL;
	}

	$signingURL = $DocuSign->embeddedSigning($envelopeId);

	if ($signingURL)
	{
		echo 'Success! Signing URL: ' . $signingURL . PHP_EOL . PHP_EOL;
	}
}

echo PHP_EOL;
echo '--DIAGNOSTICS-------------------------------------------------------------------' . PHP_EOL . PHP_EOL;

if (sizeof($DocuSign->log) > 0)
{
	echo 'Log:' . PHP_EOL;

	foreach($DocuSign->log AS $k => $v)
	{
		echo $v . PHP_EOL;
	}
}

echo PHP_EOL . PHP_EOL;

if (sizeof($DocuSign->errors) > 0)
{
	echo 'Errors:' . PHP_EOL;

	foreach($DocuSign->errors AS $k => $v)
	{
		echo $v . PHP_EOL;
	}
}

?>