PhutilAsanaFuture.php
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	<?php

	final class PhutilAsanaFuture extends FutureProxy {

	private $future;
	private $accessToken;
	private $action;
	private $params;
	private $method = 'GET';

	public function __construct() {
	parent::__construct(null);
	}

	public function setAccessToken($token) {
	$this->accessToken = $token;
	return $this;
	}

	public function setRawAsanaQuery($action, array $params = array()) {
	$this->action = $action;
	$this->params = $params;
	return $this;
	}

	public function setMethod($method) {
	$this->method = $method;
	return $this;
	}

	protected function getProxiedFuture() {
	if (!$this->future) {
	$params = $this->params;

	if (!$this->action) {
	throw new Exception('You must setRawAsanaQuery()!');
	}

	if (!$this->accessToken) {
	throw new Exception('You must setAccessToken()!');
	}

	$uri = new PhutilURI('https://app.asana.com/');
	$uri->setPath('/api/1.0/'.ltrim($this->action, '/'));

	$future = new HTTPSFuture($uri);
	$future->setData($this->params);
	$future->addHeader('Authorization', 'Bearer '.$this->accessToken);
	$future->setMethod($this->method);

	$this->future = $future;
	}

	return $this->future;
	}

	protected function didReceiveResult($result) {
	list($status, $body, $headers) = $result;

	if ($status->isError()) {
	throw $status;
	}

	$data = json_decode($body, true);
	if (!is_array($data)) {
	throw new Exception("Expected JSON response from Asana, got: {$body}");
	}

	if (idx($data, 'errors')) {
	$errors = print_r($data['errors'], true);
	throw new Exception("Received errors from Asana: {$errors}");
	}

	return $data['data'];
	}

	}