wunderlist.php

<?php

    $apiAccessToken = "MY_ACCESS_TOKEN";
    $apiClientId = "MY_CLIENT_ID";

    function finalOutput($code, $status, $message)
    {

        // generate response header
        switch ($code)
        {
            case 200:
                $header = "OK";
                break;

            case 202:
                $header = "Accepted";
                break;

            case 204:
                $header = "No Content";
                break;

            case 400:
                $header = "Bad Request";
                break;

            case 401:
                $header = "Unauthorized";
                break;

            case 403:
                $header = "Forbidden";
                break;

            case 404:
                $header = "Not Found";
                break;

            case 405:
                $header = "Method Not Allowed";
                break;

            case 409:
                $header = "Conflict";
                break;

            case 412:
                $header = "Precondition Failed";
                break;

            case 500:
                $header = "Internal Error";
                break;


            // remap other codes
            default:
                $code = 501;
                $header = "Not Implemented";
        }

        // send out response header
        header($_SERVER['SERVER_PROTOCOL'] . ' ' . $code . ' ' . $header, true, $code);


        // generate output data
        $output = Array(
            "status" => $status,
            "data" => $message === null ? "Unknown message." : $message
            );

        // encode data into JSON
        header('Content-Type: application/json');
        echo json_encode($output, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);

        // this is why it's called FINAL output
        die;
    }

    function getWunderlist($endPoint, $parameters = array(), $method = 'GET')
    {
        global $apiAccessToken;
        global $apiClientId;

        // check if curl is available
        if (!function_exists('curl_init')) {
            print "This method requires cURL (http://php.net/curl), it seems like the extension isn't installed. ".__LINE__;
            exit();
        }
        //prepare content
        $parametersdata = json_encode($parameters);

        // define url
        $url = 'https://a.wunderlist.com/api/v1/' . $endPoint;

        // init curl
        $curl = curl_init();
        // set options
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($curl, CURLOPT_TIMEOUT, 10);
        // init headers
        $headers = array();

        // add to header
        $headers[] = 'X-Access-Token: ' . $apiAccessToken;
        $headers[] = 'X-Client-ID: ' . $apiClientId;

        // method is POST, used for login or inserts
        if ($method == 'POST') {
            // define post method
            curl_setopt($curl, CURLOPT_POST, 1);
        // method is DELETE
        } elseif ($method == 'DELETE') {
            curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'DELETE');
        } else {
            curl_setopt($curl, CURLOPT_HTTPGET, 1);
        }

        // parameters are set
        if (!empty($parameters)) {
            $headers[] = 'Content-Type: application/json';
            $headers[] = 'Content-Length: ' . strlen($parametersdata);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $parametersdata );
        }
        // define headers with the request
        if (!empty($headers)) {
            // add headers
            curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
        }
        // execute
        $response = curl_exec($curl);
        // debug is on
        if (isset($debug)) {
            echo $method." ".$url . '<br/><pre>';
            print"\n--headers--\n";
            print_r($headers);
            print"\n--parameters--\n";
            print_r($parameters);
            print"\n--parametersdata--\n";
            print_r($parametersdata);
            print"\n--response--\n";
            print_r($response);
            echo '</pre><br/><br/>';
        }
        // get HTTP response code
        $httpCode = (int) curl_getinfo($curl, CURLINFO_HTTP_CODE);
        // close
        curl_close($curl);
        // response is empty or false
        if (empty($response)) {
            //throw new Exception('Error: ' . $response);
            print "Error: ". $response." ".__LINE__;
        }
        // init result
        $result = false;
        // successfull response
        if (($httpCode == 200) || ($httpCode == 201)) {
            $result = json_decode($response, true);
        }
        // return
        return $result;
    }


    if (empty($_GET["list"]) || !isset($_GET["list"]))
    {
        die("Please, provide ?list= parameter.");
    }
    $list = $_GET["list"];
    $wunderlistResult = getWunderlist('tasks?list_id=' . $list, null, 'GET');

    $output["tasks"] = $wunderlistResult;
    $output["list"] = $list;

    finalOutput(200, "OK", $output);

?>