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<?php
/**
* ownCloud
*
* @author Michael Gapczynski
* @copyright 2012 Michael Gapczynski mtgap@owncloud.com
* Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
*
* 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/>.
*/
class OC_Share_Backend_Calendar implements OCP\Share_Backend_Collection {
const FORMAT_CALENDAR = 1;
/**
* @brief Get the source of the item to be stored in the database
* @param string Item
* @param string Owner of the item
* @return mixed|array|false Source
*
* Return an array if the item is file dependent, the array needs two keys: 'item' and 'file'
* Return false if the item does not exist for the user
*
* The formatItems() function will translate the source returned back into the item
*/
public function isValidSource($itemSource, $uidOwner) {
$calendar = OC_Calendar_App::getCalendar( $itemSource );
if ($calendar || $calendar['userid'] != $uidOwner) {
return false;
}
return true;
}
/**
* @brief Get a unique name of the item for the specified user
* @param string Item
* @param string|false User the item is being shared with
* @param array|null List of similar item names already existing as shared items
* @return string Target name
*
* This function needs to verify that the user does not already have an item with this name.
* If it does generate a new name e.g. name_#
*/
public function generateTarget($itemSource, $shareWith, $exclude = null) {
$calendar = OC_Calendar_App::getCalendar( $itemSource );
$user_calendars = array();
foreach(OC_Contacts_Addressbook::all($uid) as $user_calendar) {
$user_calendars[] = $user_calendar['displayname'];
}
$name = $calendar['userid']."'s ".$calendar['displayname'];
$suffix = '';
while (in_array($name.$suffix, $user_calendars)) {
$suffix++;
}
return $name.$suffix;
}
/**
* @brief Converts the shared item sources back into the item in the specified format
* @param array Shared items
* @param int Format
* @return ?
*
* The items array is a 3-dimensional array with the item_source as the first key and the share id as the second key to an array with the share info.
* The key/value pairs included in the share info depend on the function originally called:
* If called by getItem(s)Shared: id, item_type, item, item_source, share_type, share_with, permissions, stime, file_source
* If called by getItem(s)SharedWith: id, item_type, item, item_source, item_target, share_type, share_with, permissions, stime, file_source, file_target
* This function allows the backend to control the output of shared items with custom formats.
* It is only called through calls to the public getItem(s)Shared(With) functions.
*/
public function formatItems($items, $format, $parameters = null) {
$calendars = array();
if ($format == self::FORMAT_CALENDAR) {
foreach ($items as $item) {
$calendar = OC_Calendar_App::getCalendar($item['item_source'], false);
// TODO: really check $parameters['permissions'] == 'rw'/'r'
if ($parameters['permissions'] == 'rw') {
continue; // TODO
}
$calendar['displaynamename'] = $item['item_target'];
$calendar['calendarid'] = $calendar['id'];
$calendar['owner'] = $calendar['userid'];
$calendars[] = $calendar;
}
}
return $calendars;
}
public function getChildren($itemSource) {
$query = OCP\DB::prepare('SELECT id FROM *PREFIX*calendar_objects WHERE calendarid = ?');
$result = $query->execute(array($itemSource));
$sources = array();
while ($object = $result->fetchRow()) {
$sources[] = $object['id'];
}
return $sources;
}
}
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