<?php
  /**
   * Copyright (c) 2012, Robin Appelman <icewind1991@gmail.com>
   * This file is licensed under the Affero General Public License version 3 or later.
   * See the COPYING-README file.
   */
  
  OC_JSON::checkSubAdminUser();
  OCP\JSON::callCheck();
  
  $username = isset($_POST["username"])?$_POST["username"]:'';

  if(($username === '' && !OC_User::isAdminUser(OC_User::getUser()))

  	|| (!OC_User::isAdminUser(OC_User::getUser())
  		&& !OC_SubAdmin::isUserAccessible(OC_User::getUser(), $username))) {
  	$l = OC_L10N::get('core');
  	OC_JSON::error(array( 'data' => array( 'message' => $l->t('Authentication error') )));
  	exit();
  }
  
  //make sure the quota is in the expected format
  $quota=$_POST["quota"];

  if($quota !== 'none' and $quota !== 'default') {

  	$quota= OC_Helper::computerFileSize($quota);
  	$quota=OC_Helper::humanFileSize($quota);
  }
  
  // Return Success story
  if($username) {
  	OC_Preferences::setValue($username, 'files', 'quota', $quota);
  }else{//set the default quota when no username is specified

  	if($quota === 'default') {//'default' as default quota makes no sense

  		$quota='none';
  	}
  	OC_Appconfig::setValue('files', 'default_quota', $quota);
  }
  OC_JSON::success(array("data" => array( "username" => $username , 'quota' => $quota)));