disqusapi.php in Drupal Most Popular 7

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modules/mostpopular_disqus/disqusapi/disqusapi.php

<?php

/**
 * Implementation of the Disqus API.
 *
 * http://disqus.com/api/
 *
 * @author		DISQUS <[e-mail]>
 * @copyright	2007-2010 Big Head Labs
 * @link		http://disqus.com/
 * @package		disqusapi
 * @version		0.1.1
 *
 * $disqus = new DisqusAPI($secret_key)
 * $disqus->trends->listThreads()
 *
 */
if (!defined('DISQUS_API_HOST')) {
  define('DISQUS_API_HOST', 'disqus.com');
}
define('DISQUS_API_VERSION', '0.0.1');
require_once dirname(__FILE__) . '/url.php';
if (!extension_loaded('json')) {
  require_once dirname(__FILE__) . '/json.php';
  function dsq_json_decode($data) {
    $json = new JSON();
    return $json
      ->unserialize($data);
  }
}
else {
  function dsq_json_decode($data) {
    return json_decode($data);
  }
}
global $DISQUS_API_INTERFACES;
$DISQUS_API_INTERFACES = dsq_json_decode(file_get_contents(dirname(__FILE__) . '/interfaces.json'));
class DisqusInterfaceNotDefined extends Exception {

}
class DisqusAPIError extends Exception {
  public function __construct($code, $message) {
    $this->code = $code;
    $this->message = $message;
  }

}
class DisqusResource {
  public function __construct($api, $interface = null, $node = null, $tree = array()) {
    global $DISQUS_API_INTERFACES;
    if (!$interface) {
      $interface = $DISQUS_API_INTERFACES;
    }
    $this->api = $api;
    $this->interface = $interface;
    $this->node = $node;
    if ($node) {
      array_push($tree, $node);
    }
    $this->tree = $tree;
  }
  public function __get($attr) {
    $interface = $this->interface->{$attr};
    if (!$interface) {
      throw new DisqusInterfaceNotDefined();
    }
    return new DisqusResource($this->api, $interface, $attr, $this->tree);
  }
  public function __call($name, $args) {
    $resource = $this->interface->{$name};
    if (!$resource) {
      throw new DisqusInterfaceNotDefined();
    }
    $kwargs = (array) $args[0];
    foreach ((array) $resource->required as $k) {
      if (empty($kwargs[$k])) {
        throw new Exception('Missing required argument: ' . $k);
      }
    }
    $api = $this->api;
    if (empty($kwargs['api_secret'])) {
      $kwargs['api_secret'] = $api->key;
    }

    // emulate a named pop
    $version = !empty($kwargs['version']) ? $kwargs['version'] : $api->version;
    $format = !empty($kwargs['format']) ? $kwargs['format'] : $api->format;
    unset($kwargs['version'], $kwargs['format']);
    $url = 'https://' . DISQUS_API_HOST;
    $path = '/api/' . $version . '/' . implode('/', $this->tree) . '/' . $name . '.' . $format;
    if (!empty($kwargs)) {
      if ($resource->method == 'POST') {
        $post_data = $kwargs;
      }
      else {
        $post_data = false;
        $path .= '?' . dsq_get_query_string($kwargs);
      }
    }
    $response = dsq_urlopen($url . $path, $post_data);
    $data = call_user_func($api->formats[$format], $response['data']);
    if ($response['code'] != 200) {
      throw new DisqusAPIError($data->code, $data->response);
    }
    return $data->response;
  }

}
class DisqusAPI extends DisqusResource {
  public $formats = array(
    'json' => 'dsq_json_decode',
  );
  public function __construct($key = null, $format = 'json', $version = '3.0') {
    $this->key = $key;
    $this->format = $format;
    $this->version = $version;
    parent::__construct($this);
  }
  public function __invoke() {
    throw new Exception('You cannot call the API without a resource.');
  }
  public function setKey($key) {
    $this->key = $key;
  }
  public function setFormat($format) {
    $this->format = $format;
  }
  public function setVersion($version) {
    $this->version = $version;
  }

}

Constants

Name	Description
DISQUS_API_VERSION

Globals

Name	Description
$DISQUS_API_INTERFACES

Classes

Name	Description
DisqusAPI
DisqusAPIError
DisqusInterfaceNotDefined
DisqusResource