116 lines
4.3 KiB
PHP
116 lines
4.3 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Michael Gapczynski
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* @copyright 2012 Michael Gapczynski mtgap@owncloud.com
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* Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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class OC_Share_Backend_Calendar implements OCP\Share_Backend_Collection {
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const FORMAT_CALENDAR = 1;
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/**
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* @brief Get the source of the item to be stored in the database
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* @param string Item
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* @param string Owner of the item
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* @return mixed|array|false Source
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*
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* Return an array if the item is file dependent, the array needs two keys: 'item' and 'file'
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* Return false if the item does not exist for the user
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*
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* The formatItems() function will translate the source returned back into the item
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*/
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public function isValidSource($itemSource, $uidOwner) {
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$calendar = OC_Calendar_App::getCalendar( $itemSource );
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if ($calendar === false || $calendar['userid'] != $uidOwner) {
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return false;
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}
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return true;
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}
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/**
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* @brief Get a unique name of the item for the specified user
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* @param string Item
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* @param string|false User the item is being shared with
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* @param array|null List of similar item names already existing as shared items
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* @return string Target name
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*
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* This function needs to verify that the user does not already have an item with this name.
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* If it does generate a new name e.g. name_#
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*/
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public function generateTarget($itemSource, $shareWith, $exclude = null) {
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$calendar = OC_Calendar_App::getCalendar( $itemSource );
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$user_calendars = array();
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foreach(OC_Calendar_Calendar::allCalendars($shareWith) as $user_calendar) {
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$user_calendars[] = $user_calendar['displayname'];
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}
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$name = $calendar['userid']."'s ".$calendar['displayname'];
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$suffix = '';
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while (in_array($name.$suffix, $user_calendars)) {
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$suffix++;
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}
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return $name.$suffix;
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}
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/**
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* @brief Converts the shared item sources back into the item in the specified format
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* @param array Shared items
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* @param int Format
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* @return ?
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*
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* 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.
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* The key/value pairs included in the share info depend on the function originally called:
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* If called by getItem(s)Shared: id, item_type, item, item_source, share_type, share_with, permissions, stime, file_source
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* If called by getItem(s)SharedWith: id, item_type, item, item_source, item_target, share_type, share_with, permissions, stime, file_source, file_target
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* This function allows the backend to control the output of shared items with custom formats.
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* It is only called through calls to the public getItem(s)Shared(With) functions.
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*/
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public function formatItems($items, $format, $parameters = null) {
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$calendars = array();
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if ($format == self::FORMAT_CALENDAR) {
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foreach ($items as $item) {
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$calendar = OC_Calendar_App::getCalendar($item['item_source'], false);
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if(!$calendar) {
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continue;
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}
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// TODO: really check $parameters['permissions'] == 'rw'/'r'
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if ($parameters['permissions'] == 'rw') {
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continue; // TODO
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}
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$calendar['displaynamename'] = $item['item_target'];
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$calendar['permissions'] = $item['permissions'];
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$calendar['calendarid'] = $calendar['id'];
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$calendar['owner'] = $calendar['userid'];
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$calendars[] = $calendar;
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}
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}
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return $calendars;
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}
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public function getChildren($itemSource) {
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$query = OCP\DB::prepare('SELECT `id`, `summary` FROM `*PREFIX*clndr_objects` WHERE `calendarid` = ?');
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$result = $query->execute(array($itemSource));
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$children = array();
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while ($object = $result->fetchRow()) {
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$children[] = array('source' => $object['id'], 'target' => $object['summary']);
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}
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return $children;
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}
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}
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