<?php
/**
* @package shorty an ownCloud url shortener plugin
* @category internet
* @author Christian Reiner
* @copyright 2011-2012 Christian Reiner <foss@christian-reiner.info>
* @license GNU AFFERO GENERAL PUBLIC LICENSE (AGPL)
* @link information 
* @link repository https://svn.christian-reiner.info/svn/app/oc/shorty
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the license, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library.
* If not, see <http://www.gnu.org/licenses/>.
*
*/

/**
 * @file ajax/add.php
 * @brief Ajax method to add a new shorty defined by request arguments
 * @param title (string) Human readable title of the shorty
 * @param target (url) Remote target url meant to be shortened
 * @param until (date) Date until when the created shorty is valid and usable
 * @param notes (string) Any additional information in text form
 * @param favicon (url) Reference to the shortcut icon used in target url
 * @returns (json) success/error state indicator
 * @returns (json) Associative array of attributes of the generated shorty
 * @returns (json) Human readable message
 * @author Christian Reiner
 */

// swallow any accidential output generated by php notices and stuff to preserve a clean JSON reply structure
OC_Shorty_Tools::ob_control ( TRUE );

 //no apps or filesystem
$RUNTIME_NOSETUPFS = true;

// Check if we are a user
OCP\JSON::checkLoggedIn ( );
OCP\JSON::checkAppEnabled ( 'shorty' );

try
{
  $p_id      = OC_Shorty_Tools::shorty_id ( );
  $p_status  = OC_Shorty_Type::req_argument ( 'status',  OC_Shorty_Type::STATUS, FALSE );
  $p_title   = OC_Shorty_Type::req_argument ( 'title',   OC_Shorty_Type::STRING, FALSE );
  $p_target  = OC_Shorty_Type::req_argument ( 'target',  OC_Shorty_Type::URL,    TRUE  );
  $p_until   = OC_Shorty_Type::req_argument ( 'until',   OC_Shorty_Type::DATE,   FALSE );
  $p_notes   = OC_Shorty_Type::req_argument ( 'notes',   OC_Shorty_Type::STRING, FALSE );
  $p_favicon = OC_Shorty_Type::req_argument ( 'favicon', OC_Shorty_Type::URL,    FALSE );
  // register shorty at backend
  $p_source = OC_Shorty_Backend::registerUrl ( $p_id );
  // fallback title: choose hostname if no title is specified
  $p_title = $p_title ? trim($p_title) : parse_url($p_target,PHP_URL_HOST);
  // insert new shorty into our database
  $param = array
  (
    ':user'    => OCP\User::getUser(),
    ':id'      => $p_id,
    ':status'  => $p_status  ? $p_status  : '',
    ':title'   => $p_title   ? $p_title   : '',
    ':favicon' => $p_favicon ? $p_favicon : '',
    ':source'  => $p_source  ? $p_source  : '',
    ':target'  => $p_target  ? $p_target  : '',
    ':notes'   => $p_notes   ? $p_notes   : '',
    ':until'   => $p_until,
  );
  $query = OCP\DB::prepare ( OC_Shorty_Query::URL_INSERT );
  $query->execute ( $param );

  // read new entry for feedback
  $param = array
  (
    ':user' => OCP\User::getUser(),
    ':id'   => $p_id,
  );
  $query = OCP\DB::prepare ( OC_Shorty_Query::URL_VERIFY );
  $entries = $query->execute($param)->FetchAll();
  if (  (1==count($entries))
      &&(isset($entries[0]['id']))
      &&($p_id==$entries[0]['id']) )
    $entries[0]['relay']=OC_Shorty_Tools::relayUrl ( $entries[0]['id'] );
  else 
    throw new OC_Shorty_Exception ( "failed to verify stored shorty with id '%1s'", array($p_id) );

  // swallow any accidential output generated by php notices and stuff to preserve a clean JSON reply structure
  OC_Shorty_Tools::ob_control ( FALSE );
  OCP\Util::writeLog( 'shorty', sprintf("Url shortened to: %s",$p_source), OC_Log::INFO );
  OCP\JSON::success ( array ( 'data'    => $entries[0],
                              'message' => OC_Shorty_L10n::t("Url shortened to: %s",$p_source) ) );
} catch ( Exception $e ) { OC_Shorty_Exception::JSONerror($e); }
?>