Dlvr.it API class for WordPress

wp-dlvrit.php

<?php
// http://pmg.co
class wpDlvrit
{
	protected $key;
	
	function __construct( $key = false )
	{
		$this->set_key( $key );
	}
	
	function set_key( $key )
	{
		if( $key )
		{
			$this->key = $key;
		}
		else
		{
			$opts = get_option( 'wpdlvrit_options' );
			$key = isset( $opts['api_key'] ) ? $opts['api_key'] : new WP_Error();
			if( is_wp_error( $key ) )
			{
				$key->add( 'no_api_key', __( "You haven't set up your Dlvr.it API key yet!" ) );
			}
			$this->key = $key;
		}
	}
	
	function get_key()
	{
		return $this->key;
	}
	
	function get_routes( $format = 'json' )
	{
		$data = array(
			'method' => 'POST',
			'body'   => array( 'key' => $this->get_key() )
		);
		$url = 'http://api.dlvr.it/1/routes.' . $format;
		$response = wp_remote_post( $url, $data );
		
		$response = $this->validate( $response );
		
		return $response;
	}
	
	function get_accounts( $format = 'json' )
	{
		$data = array(
			'method' => 'POST',
			'body'   => array( 'key' => $this->get_key() )
		);
		$url = 'http://api.dlvr.it/1/accounts.' . $format;
		$response = wp_remote_post( $url, $data );
		
		$response = $this->validate( $response );
		
		return $response;
	}
	
	function get_shortlink( $long_url, $format = 'json' )
	{
		$data = array(
			'method' => 'POST',
			'body'   => array( 
							'key' => $this->get_key(),
							'url' => $long_url
						)
		);
		
		$url = 'http://api.dlvr.it/1/shorten.' . $format;
		
		$response = wp_remote_post( $url, $data );
		
		$response = $this->validate( $response );
		
		return $response;
	}
	
	function post_to_account( $account_id, $message, $format = 'json' )
	{
		$data = array(
			'method' => 'POST',
			'body'   => array( 
							'key' => $this->get_key(),
							'id'  => $account_id,
							'msg' => $message
						)
		);
		
		$url = 'http://api.dlvr.it/1/postToAccount.' . $format;
		
		$response = wp_remote_post( $url, $data );
		
		$response = $this->validate( $response );
		
		return $response;
	}
	
	function post_to_route( $account_id, $message, $format = 'json' )
	{
		$data = array(
			'method' => 'POST',
			'body'   => array( 
							'key' => $this->get_key(),
							'id'  => $account_id,
							'msg' => $message
						)
		);
		
		$url = 'http://api.dlvr.it/1/postToRoute.' . $format;
		
		$response = wp_remote_post( $url, $data );
		
		$response = $this->validate( $response );
		
		return $response;
	}
	
	// Validate our responses ...
	protected function validate( $response )
	{
		if( is_wp_error( $response ) || 200 != $response['response']['code'] ) return false;
		
		return $response;
	}
}