<?php
// $Id: rest_server.module,v 1.2 2010-03-17 07:09:21 hugowetterberg Exp $

function rest_server_server_info() {
  return array(
    '#name' => 'REST',
    '#path' => 'rest',
  );
}

function rest_server_autoload_info() {
  module_load_include('inc', 'rest_server');
  return _rest_server_autoload_info();
}

/**
 * Implementation of hook_enable().
 */
function rest_server_enable() {
  // Flush the autoload caches so that our classes are registered
  autoload_flush_caches();
}

function rest_server_server() {
  $endpoint_path = services_get_server_info('endpoint_path', 'services/rest');
  $canonical_path = trim(substr($_GET['q'], drupal_strlen($endpoint_path)), '/');

  if (empty($canonical_path)) {
    return '';
  }

  try {
    $server = new RESTServer();
    return $server->handle($canonical_path, $endpoint_path);
  }
  catch (Exception $e) {
    $code = $e->getCode();
    switch($code) {
      case 401:
        drupal_set_header('HTTP/1.0 401 Unauthorized: ' . $e->getMessage());
      break;
      case 404:
        drupal_set_header('HTTP/1.0 404 Not found: ' . $e->getMessage());
      break;
      case 406:
        drupal_set_header('HTTP/1.0 406 Not Acceptable: ' . $e->getMessage());
      break;
      default:
        if ($code >= 400 && $code < 600) {
          drupal_set_header('HTTP/1.0 ' . $code . ' ' . $e->getMessage());
        }
        else {
          drupal_set_header('HTTP/1.0 500 An error occurred: (' . $code . ') ' . $e->getMessage());
        }
      break;
    }
  }
}