mirror of
https://github.com/EGroupware/egroupware.git
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1226 lines
38 KiB
PHP
1226 lines
38 KiB
PHP
<?php
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/**
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* API - Categories
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*
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* @link http://www.egroupware.org
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* @author Joseph Engo <jengo@phpgroupware.org>
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* @author Bettina Gille <ceb@phpgroupware.org>
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* Copyright (C) 2000, 2001 Joseph Engo, Bettina Gille
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* Copyright (C) 2002, 2003 Bettina Gille
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* Reworked 11/2005 by RalfBecker-AT-outdoor-training.de
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* Reworked 12/2008 by RalfBecker-AT-outdoor-training.de to operate only on a catergory cache, no longer the db direct
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* @license http://opensource.org/licenses/lgpl-license.php LGPL - GNU Lesser General Public License
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* @package api
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* @subpackage categories
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* @access public
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* @version $Id$
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*/
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/**
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* class to manage categories in eGroupWare
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*
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* Categories are read now once from the database into a static cache variable (by the static init_cache method).
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* The egw object fills that cache ones per session, stores it in a private var, from which it restores it for each
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* request of that session.
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*
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* $cat['data'] array:
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* ------------------
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* $cat['data'] array is stored serialized in the database to allow applications to simply add all
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* sorts of values there (without the hassel of a DB schema change).
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* Static methods categories::read($cat_id) and categories::id2name now returns data already unserialized
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* and add() or edit() methods automatically serialize $cat['data'], if it's not yet serialized.
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* return*() methods still return $cat['data'] serialized by default, but have a parameter to return
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* it as array(). That default might change in future too, so better check if it's
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* not already an array, before unserialize!
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*
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* @ToDo The cache now contains a backlink from the parent to it's children. Use that link to simplyfy return_all_children
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* and other functions needing to know if a cat has children. Be aware a user might not see all children, as they can
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* belong to other users.
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*/
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class categories
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{
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/**
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* Account id this class is instanciated for (self::GLOBAL_ACCOUNT for global cats)
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*
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* @var int
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*/
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public $account_id;
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/**
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* Application this class is instancated for (self::GLOBAL_APPNAME for application global cats)
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*
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* @var string
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*/
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public $app_name;
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/**
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* @var egw_db
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*/
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private $db;
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/**
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* Total number of records of return_(sorted_)array (returning only a limited number of rows)
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*
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* @var int
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*/
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public $total_records;
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/**
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* Grants from other users for account_id and app_name (init by return array)
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*
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* @var array
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*/
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public $grants;
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/**
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* Name of the categories table
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*/
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const TABLE = 'egw_categories';
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/**
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* @deprecated use categories::TABLE
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* @var string
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*/
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public $table = self::TABLE;
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/**
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* Cache holding all categories, set via init_cache() method
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*
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* @var array cat_id => array of data
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*/
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private static $cache;
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const CACHE_APP = 'phpgwapi';
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const CACHE_NAME = 'cat_cache';
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/**
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* Appname for global categories
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*/
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const GLOBAL_APPNAME = 'phpgw';
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/**
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* account_id for global categories
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*/
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const GLOBAL_ACCOUNT = 0;
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/**
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* Owners for global accounts
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*
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* Usually the users group memberships and self::GLOBAL_ACCOUNT
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*
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* @var array
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*/
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private $global_owners = array(self::GLOBAL_ACCOUNT);
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/**
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* string to postfix global cats
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*
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* @var string
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*/
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static public $global_marker;
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/**
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* constructor for categories class
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*
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* @param int|string $accountid='' account id or lid, default to current user
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* @param string $app_name='' app name defaults to current app
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*/
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function __construct($accountid='',$app_name = '')
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{
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if (!$app_name) $app_name = $GLOBALS['egw_info']['flags']['currentapp'];
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if ($accountid === self::GLOBAL_ACCOUNT ||
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$accountid < 0 && $GLOBALS['egw']->accounts->exists($accountid) == 2)
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{
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$this->account_id = (int) $accountid;
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}
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else
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{
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$this->account_id = (int) get_account_id($accountid);
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$this->global_owners = $this->account_id ? $GLOBALS['egw']->accounts->memberships($this->account_id, true) : array();
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$this->global_owners[] = self::GLOBAL_ACCOUNT;
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}
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$this->app_name = $app_name;
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$this->db = $GLOBALS['egw']->db;
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if (is_null(self::$cache)) // should not be necessary, as cache is load and restored by egw object
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{
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self::init_cache();
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}
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if (is_null(self::$global_marker))
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{
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// as et2 adds options with .text(), it can't be entities, but php knows no string literals with utf-8
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}
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}
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/**
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* php4 constructor
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*
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* @deprecated
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*/
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function categories($accountid='',$app_name='')
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{
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self::__construct($accountid,$app_name);
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}
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/**
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* returns array with id's of all children from $cat_id and $cat_id itself!
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*
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* @param int|array $cat_id (array of) integer cat-id to search for
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* @return array of cat-id's
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*/
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function return_all_children($cat_id)
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{
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$all_children = (array) $cat_id;
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$children = $this->return_array('subs',0,False,'','','',True,$cat_id,-1,'id');
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if (is_array($children) && count($children))
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{
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$all_children = array_merge($all_children,$this->return_all_children($children));
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}
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//echo "<p>categories::return_all_children($cat_id)=(".implode(',',$all_children).")</p>\n";
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return $all_children;
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}
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/**
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* return an array populated with categories
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*
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* @param string $type='all' 'subs','mains','appandmains','appandsubs','noglobal','noglobalapp', defaults to 'all'
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* @param int $start=0 see $limit
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* @param boolean|int $limit if true limited query to maxmatches rows (starting with $start)
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* @param string $query='' query-pattern
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* @param string $sort='ASC' sort order, defaults to 'ASC'
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* @param string $order='' order by, default cat_main, cat_level, cat_name ASC
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* @param boolean|string $globals includes the global egroupware categories or not,
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* 'all_no_acl' to return global and all non-private user categories independent of ACL
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* @param array|int $parent_id=null return only subcats of $parent_id(s)
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* @param int $lastmod = -1 if > 0 return only cats modified since then
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* @param string $column='' if column-name given only that column is returned, not the full array with all cat-data
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* @param array $filter=null array with column-name (without cat_-prefix) => value pairs (! negates the value)
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* @param boolean $unserialize_data=false return $cat['data'] as array (not serialized array)
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* @return array of cat-arrays or $column values
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*/
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function return_array($type='all', $start=0, $limit=true, $query='', $sort='ASC',$order='',$globals=false, $parent_id=null, $lastmod=-1, $column='', $filter=null,$unserialize_data=false)
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{
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//error_log(__METHOD__."($type,$start,$limit,$query,$sort,$order,globals=$globals,parent=".array2string($parent_id).",$lastmod,$column,filter=".array2string($filter).",$unserialize_data) account_id=$this->account_id, appname=$this->app_name: ".function_backtrace());
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$cats = array();
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foreach(self::$cache as $cat_id => $cat)
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{
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if ($filter) foreach($filter as $col => $val)
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{
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if (!is_array($val) && $val[0] === '!')
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{
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// also match against trimmed database entry on name and description fields
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if (($col == 'name' || $col == 'description') && is_string($cat[$col]))
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{
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if ($cat[$col] == substr($val,1) || trim($cat[$col]) == substr($val,1)) continue 2;
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}
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else
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{
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if ($cat[$col] == substr($val,1)) continue 2;
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}
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}
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elseif (is_array($val))
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{
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// also match against trimmed database entry on name and description fields
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if (($col == 'name' || $col == 'description') && is_string($cat[$col]))
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{
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if (!in_array($cat[$col],$val) && !in_array(trim($cat[$col]),$val)) continue 2;
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}
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else
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{
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if (!in_array($cat[$col],$val)) continue 2;
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}
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}
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else
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{
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// also match against trimmed database entry on name and description fields
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if (($col == 'name' || $col == 'description') && is_string($cat[$col]))
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{
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if ($cat[$col] != $val && trim($cat[$col]) != $val) continue 2;
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}
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else
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{
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if ($cat[$col] != $val) continue 2;
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}
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}
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}
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// check if certain parent required
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if ($parent_id && !in_array($cat['parent'],(array)$parent_id)) continue;
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// return global categories just if $globals is set
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if (!$globals && $cat['appname'] == self::GLOBAL_APPNAME)
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{
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continue;
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}
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// check for read permission
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if(!$this->check_perms(EGW_ACL_READ, $cat, $globals === 'all_no_acl'))
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{
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continue;
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}
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// check if we have the correct type
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switch ($type)
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{
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case 'subs':
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if (!$cat['parent']) continue 2; // 2 for switch AND foreach!
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break;
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case 'mains':
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if ($cat['parent']) continue 2;
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break;
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case 'appandmains':
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if ($cat['appname'] != $this->app_name || $cat['parent']) continue 2;
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break;
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case 'appandsubs':
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if ($cat['appname'] != $this->app_name || !$cat['parent']) continue 2;
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break;
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case 'noglobal':
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if ($cat['appname'] == $this->app_name) continue 2;
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break;
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case 'noglobalapp':
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if ($cat['appname'] != $this->app_name || $cat['owner'] == (int)$this->account_id) continue 2;
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break;
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}
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// check name and description for $query
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if ($query && stristr($cat['name'],$query) === false && stristr($cat['description'],$query) === false) continue;
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// check if last modified since
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if ($lastmod > 0 && $cat['last_mod'] <= $lastmod) continue;
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if ($unserialize_data) $cat['data'] = $cat['data'] ? unserialize($cat['data']) : array();
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$cats[] = $cat;
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}
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if (!($this->total_records = count($cats)))
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{
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//error_log(__METHOD__."($type,$start,$limit,$query,$sort,$order,$globals,parent=$parent_id,$lastmod,$column) account_id=$this->account_id, appname=$this->app_name = FALSE");
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return false;
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}
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if (!$sort) $sort = 'ASC';
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// order the entries if necessary (cache is already ordered in or default order: cat_main, cat_level, cat_name ASC)
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if ($this->total_records > 1 && !empty($order) &&
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preg_match('/^[a-zA-Z_(), ]+$/',$order) && preg_match('/^(ASC|DESC|asc|desc)$/',$sort))
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{
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if (strstr($order,'cat_data') !== false) $order = 'cat_data'; // sitemgr orders by round(cat_data)!
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if (substr($order,0,4) == 'cat_') $order = substr($order,4);
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$sign = strtoupper($sort) == 'DESC' ? '-' : '';
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usort($cats,create_function('$a,$b',$func=(in_array($order,array('name','description','appname','app_name')) ?
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"return ${sign}strcasecmp(\$a['$order'],\$b['$order']);" : "return $sign(int)\$a['$order'] - $sign(int)\$b['$order'];")));
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}
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// limit the number of returned rows
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if ($limit)
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{
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if (!is_int($limit)) $limit = (int)$GLOBALS['egw_info']['user']['preferences']['common']['maxmatchs'];
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$cats = array_slice($cats,(int)$start,$limit);
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}
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// return only a certain column (why not return is as value?)
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if ($column)
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{
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foreach($cats as $k => $cat)
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{
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$cats[$k] = $cat[$column];
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}
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}
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//error_log(__METHOD__."($type,$start,$limit,$query,$sort,$order,$globals,parent=".array2string($parent_id).",$lastmod,$column,filter=".array2string($filter).",$unserialize_data) account_id=$this->account_id, appname=$this->app_name = ".array2string($cats));
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reset($cats); // some old code (eg. sitemgr) relies on the array-pointer!
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return $cats;
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}
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/**
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* return a sorted array populated with categories (main sorting criteria is hierachy!)
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*
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* @param int $start=0 see $limit
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* @param boolean|int $limit if true limited query to maxmatches rows (starting with $start)
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* @param string $query='' query-pattern
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* @param string $sort='ASC' sort order, either defaults to 'ASC'
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* @param string $order='cat_name' order by
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* @param boolean|string $globals includes the global egroupware categories or not,
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* 'all_no_acl' to return global and all non-private user categories independent of ACL
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* @param array|int $parent_id=0 return only subcats of $parent_id(s)
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* @param boolean $unserialize_data=false return $cat['data'] as array (not serialized array)
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* @return array with cats
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*/
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function return_sorted_array($start=0,$limit=True,$query='',$sort='ASC',$order='cat_name',$globals=False, $parent_id=0,$unserialize_data=false,$filter=null)
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{
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if (!$sort) $sort = 'ASC';
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if (!$order) $order = 'cat_name';
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//error_log(__METHOD__."($start,$limit,$query,$sort,$order,globals=$globals,parent=$parent_id,$unserialize_data) account_id=$this->account_id, appname=$this->app_name: ".function_backtrace());
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$parents = $cats = array();
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// Cast parent_id to array, but only if there is one
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if($parent_id !== false && $parent_id !== null) $parent_id = (array)$parent_id;
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if (!($cats = $this->return_array('all',0,false,$query,$sort,$order,$globals,$parent_id,-1,'',$filter,$unserialize_data)))
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{
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$cats = array();
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}
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foreach($cats as $cat)
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{
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$parents[] = $cat['id'];
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}
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if($parent_id || !$cats) // Avoid wiping search results
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{
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// Go find the children
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while (count($parents))
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{
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if (!($subs = $this->return_array('all',0,false,$query,$sort,$order,$globals,$parents,-1,'',$filter,$unserialize_data)))
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{
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break;
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}
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$parents = $children = array();
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foreach($subs as $cat)
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{
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$parents[] = $cat['id'];
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$children[$cat['parent']][] = $cat;
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}
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// sort the cats into the mains
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if (count($children))
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{
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$cats2 = $cats;
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$cats = array();
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foreach($cats2 as $cat)
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{
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$cats[] = $cat;
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if (isset($children[$cat['id']]))
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{
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foreach($children[$cat['id']] as $child)
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{
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$cats[] = $child;
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}
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}
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}
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}
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}
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}
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$this->total_records = count($cats);
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// limit the number of returned rows
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if ($limit)
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{
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if (!is_int($limit)) $limit = (int)$GLOBALS['egw_info']['user']['preferences']['common']['maxmatchs'];
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$cats = array_slice($cats,(int)$start,$limit);
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}
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reset($cats); // some old code (eg. sitemgr) relies on the array-pointer!
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return $cats;
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}
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/**
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* Read a category
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*
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* We use a shared cache together with id2name
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*
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* Data array get automatically unserialized, if it was serialized!
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*
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* @param int $id id of category
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* @return array|boolean array with cat-data or false if cat not found
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*/
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static function read($id)
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{
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if (is_null(self::$cache)) self::init_cache();
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if (!isset(self::$cache[$id])) return false;
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$cat = self::$cache[$id];
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$cat['data'] = $cat['data'] ? ((($arr=unserialize($cat['data'])) !== false || $cat['data'] === 'b:0;') ?
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$arr : $cat['data']) : array();
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return $cat;
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}
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/**
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* Add a category
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*
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* Owner and appname are set from the values used to instanciate the class!
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*
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* @param array $value cat-data
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* @return int new cat-id
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*/
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function add($values)
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{
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if ((int)$values['parent'] > 0)
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{
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$values['level'] = $this->id2name($values['parent'],'level')+1;
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$values['main'] = $this->id2name($values['parent'],'main');
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}
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else
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{
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$values['level'] = 0;
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}
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$this->db->insert(self::TABLE,$cat=array(
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'cat_parent' => $values['parent'],
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'cat_owner' => isset($values['owner']) ? $values['owner'] : $this->account_id,
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'cat_access' => isset($values['access']) ? $values['access'] : 'public',
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'cat_appname' => $this->app_name,
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'cat_name' => $values['name'],
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'cat_description' => isset($values['description']) ? $values['description'] : $values['descr'], // support old name different from returned one
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'cat_data' => is_array($values['data']) ? serialize($values['data']) : $values['data'],
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'cat_main' => $values['main'],
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'cat_level' => $values['level'],
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'last_mod' => time(),
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),(int)$values['id'] > 0 ? array('cat_id' => $values['id']) : array(),__LINE__,__FILE__);
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$cat['cat_id'] = $id = (int)$values['id'] > 0 ? (int)$values['id'] : $this->db->get_last_insert_id(self::TABLE,'cat_id');
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if (!(int)$values['parent'] && $id != $values['main'])
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{
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$this->db->update(self::TABLE,array('cat_main' => $id),array('cat_id' => $id),__LINE__,__FILE__);
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$cat['cat_main'] = $id;
|
|
}
|
|
// update cache accordingly
|
|
self::invalidate_cache(egw_db::strip_array_keys($cat, 'cat_'));
|
|
|
|
return $id;
|
|
}
|
|
|
|
/**
|
|
* Checks category permissions for a given list of commaseparated category ids
|
|
* and truncates it by the ones the user does not have the requested permission on
|
|
*
|
|
* @param int $needed necessary ACL right: EGW_ACL_{READ|EDIT|DELETE}
|
|
* @param string $cat_list commaseparated list of category ids
|
|
* @return string truncated commaseparated list of category ids
|
|
*/
|
|
function check_list($needed, $cat_list)
|
|
{
|
|
if (empty($cat_list)) return $cat_list;
|
|
if (is_array($cat_list))
|
|
{
|
|
$cat_list = implode(',',$cat_list);
|
|
//error_log(__METHOD__.__LINE__.' string expected, array found for cat_list. Converted to:'.$cat_list);
|
|
}
|
|
$cat_arr = explode(',',$cat_list);
|
|
if (!empty($cat_arr) && is_array($cat_arr) && count($cat_arr) > 0)
|
|
{
|
|
foreach($cat_arr as $id=>$cat_id)
|
|
{
|
|
if (!$this->check_perms($needed, $cat_id, false, $needed == EGW_ACL_READ)) // allow reading all global cats
|
|
{
|
|
unset($cat_arr[$id]);
|
|
}
|
|
}
|
|
$cat_list = implode(',',$cat_arr);
|
|
}
|
|
|
|
return $cat_list;
|
|
}
|
|
|
|
/**
|
|
* Checks if the current user has the necessary ACL rights
|
|
*
|
|
* If the access of a category is set to private, one needs a private grant for the application
|
|
*
|
|
* @param int $needed necessary ACL right: EGW_ACL_{READ|EDIT|DELETE}
|
|
* @param mixed $category category as array or the category_id
|
|
* @param boolean $no_acl_check=false if true, grants are NOT checked, gives access to all non-private categories of all users
|
|
* @param boolean $allow_global_read if true, global cats are allowed (independent of app) for reading
|
|
* @return boolean true permission granted, false for permission denied, null for category does not exist
|
|
*/
|
|
public function check_perms($needed, $category, $no_acl_check=false, $allow_global_read=false)
|
|
{
|
|
if (!is_array($category) && !($category = self::read($category)))
|
|
{
|
|
return null;
|
|
}
|
|
|
|
// The user for the global cats has id self::GLOBAL_ACCOUNT, this one has full access to all global cats
|
|
if ($this->account_id == self::GLOBAL_ACCOUNT && ($category['appname'] == self::GLOBAL_APPNAME ||
|
|
$category['appname'] == $this->app_name && self::is_global($category)))
|
|
{
|
|
//echo "<p>".__METHOD__."($needed,$category[name]) access because class instanciated for GLOBAL ACCOUNT</p>\n";
|
|
return true;
|
|
}
|
|
|
|
// Read access to global categories
|
|
if ($needed == EGW_ACL_READ && (($is_global=array_intersect(explode(',',$category['owner']),$this->global_owners)) ||
|
|
$no_acl_check && $category['access'] == 'public') && // no_acl_check only means public cats
|
|
($category['appname'] == self::GLOBAL_APPNAME || $category['appname'] == $this->app_name ||
|
|
$is_global && $allow_global_read))
|
|
{
|
|
//echo "<p>".__METHOD__."($needed,$category[name]) access because global via memberships</p>\n";
|
|
return true;
|
|
}
|
|
|
|
// Full access to own categories
|
|
if ($category['appname'] == $this->app_name && $category['owner'] == $this->account_id)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
// if $no_acl_check is set, allow access to all public (non-private) categories
|
|
if ($no_acl_check && $category['access'] == 'public' && $this->account_id != self::GLOBAL_ACCOUNT && $category['appname'] == $this->app_name)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
// Load the application grants
|
|
if ($category['appname'] == $this->app_name && is_null($this->grants))
|
|
{
|
|
$this->grants = $GLOBALS['egw']->acl->get_grants($this->app_name,true);
|
|
}
|
|
|
|
// Check for ACL granted access, the self::GLOBAL_ACCOUNT user must not get access by ACL to keep old behaviour
|
|
$acl_grant = $this->account_id != self::GLOBAL_ACCOUNT && $category['appname'] == $this->app_name;
|
|
$owner_grant = false;
|
|
foreach(explode(',',$category['owner']) as $owner)
|
|
{
|
|
$owner_grant = $owner_grant || (($this->grants[$owner] & $needed) &&
|
|
($category['access'] == 'public' || ($this->grants[$owner] & EGW_ACL_PRIVATE)));
|
|
}
|
|
return $acl_grant && $owner_grant;
|
|
}
|
|
|
|
/**
|
|
* delete a category
|
|
*
|
|
* @param int $cat_id category id
|
|
* @param boolean $drop_subs=false if true delete sub-cats too
|
|
* @param boolean $modify_subs=false if true make the subs owned by the parent of $cat_id
|
|
*/
|
|
function delete($cat_id, $drop_subs = False, $modify_subs = False)
|
|
{
|
|
//error_log(__METHOD__."(".array2string($cat_id).', drop_subs='.array2string($drop_subs).', modify_subs='.array2string($modify_subs).') '.function_backtrace());
|
|
if ($modify_subs)
|
|
{
|
|
$new_parent = $this->id2name($cat_id,'parent');
|
|
|
|
foreach ((array) $this->return_sorted_array('',False,'','','',False, $cat_id) as $cat)
|
|
{
|
|
if ($cat['level'] == 1)
|
|
{
|
|
$this->db->update(self::TABLE,array(
|
|
'cat_level' => 0,
|
|
'cat_parent' => 0,
|
|
'cat_main' => $cat['id'],
|
|
),array(
|
|
'cat_id' => $cat['id'],
|
|
'cat_appname' => $this->app_name,
|
|
),__LINE__,__FILE__);
|
|
|
|
$new_main = $cat['id'];
|
|
}
|
|
else
|
|
{
|
|
$update = array('cat_level' => $cat['level']-1);
|
|
|
|
if ($new_main) $update['cat_main'] = $new_main;
|
|
|
|
if ($cat['parent'] == $cat_id) $update['cat_parent'] = $new_parent;
|
|
|
|
$this->db->update(self::TABLE,$update,array(
|
|
'cat_id' => $cat['id'],
|
|
'cat_appname' => $this->app_name,
|
|
),__LINE__,__FILE__);
|
|
}
|
|
}
|
|
}
|
|
if ($drop_subs)
|
|
{
|
|
$where['cat_id'] = $this->return_all_children($cat_id);
|
|
}
|
|
else
|
|
{
|
|
$where['cat_id'] = $cat_id;
|
|
}
|
|
$where['cat_appname'] = $this->app_name;
|
|
|
|
$GLOBALS['hook_values'] = array(
|
|
'cat_id' => $cat_id,
|
|
'cat_name' => self::id2name($cat_id),
|
|
'drop_subs' => $drop_subs,
|
|
'modify_subs' => $modify_subs,
|
|
'location' => 'delete_category'
|
|
);
|
|
if($this->is_global($cat_id, true)) // true = application global (otherwise eg. global addressbook categories call all apps)
|
|
{
|
|
$GLOBALS['egw']->hooks->process($GLOBALS['hook_values'],False,True); // called for every app now, not only enabled ones)
|
|
}
|
|
else
|
|
{
|
|
$GLOBALS['egw']->hooks->single($GLOBALS['hook_values'], self::id2name($cat_id,'appname'));
|
|
}
|
|
|
|
$this->db->delete(self::TABLE,$where,__LINE__,__FILE__);
|
|
|
|
// update cache accordingly
|
|
self::invalidate_cache($modify_subs ? null : $where['cat_id']);
|
|
}
|
|
|
|
/**
|
|
* adapt_level_in_subtree of a category
|
|
*
|
|
* Owner and appname are set from the values used to instanciate the class!
|
|
*
|
|
* @param array $values array with cat-data (it need to be complete, as everything get's written)
|
|
* @return void
|
|
*/
|
|
function adapt_level_in_subtree($values)
|
|
{
|
|
foreach ((array) $this->return_sorted_array('',False,'','','',False, $values['id']) as $cat)
|
|
{
|
|
if ($cat['parent'] == $values['id'])
|
|
{
|
|
$this->db->update(self::TABLE,array(
|
|
'cat_level' => $values['level']+1,
|
|
'last_mod' => time(),
|
|
),array(
|
|
'cat_id' => $cat['id'],
|
|
'cat_appname' => $this->app_name,
|
|
),__LINE__,__FILE__);
|
|
$cat['level'] = $values['level'] + 1;
|
|
self::invalidate_cache($cat['id']);
|
|
$this->adapt_level_in_subtree($cat);
|
|
}
|
|
else
|
|
{
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* check_consistency4update - for edit
|
|
*
|
|
* @param array $values array with cat-data (it need to be complete, as everything get's written)
|
|
* @return mixed string/boolean errorstring if consitency check failed / true if the consistency check did not fail
|
|
*/
|
|
function check_consistency4update($values)
|
|
{
|
|
// check if we try to move an element down its own subtree, which will fail
|
|
foreach ($this->return_sorted_array('',False,'','','',False, $values['id']) as $cat) if ($cat['id'] == $values['parent']) return lang('Cannot set a category as parent, which is part of this categorys subtree!');
|
|
// check if we try to be our own parent
|
|
if ($values['parent']==$values['id']) return lang('Cannot set this cat as its own parent!'); // deny to be our own parent
|
|
// check if parent still exists
|
|
if ((int)$values['parent']>0 && !$this->read($values['parent'])) return lang('Chosen parent category no longer exists');
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* edit / update a category
|
|
*
|
|
* Owner and appname are set from the values used to instanciate the class!
|
|
*
|
|
* @param array $values array with cat-data (it need to be complete, as everything get's written)
|
|
* @return int cat-id or false if it failed
|
|
*/
|
|
function edit($values)
|
|
{
|
|
if (isset($values['old_parent']) && (int)$values['old_parent'] != (int)$values['parent'])
|
|
{
|
|
$ret = $this->check_consistency4update($values);
|
|
if ($ret !== true) throw new egw_exception_wrong_userinput($ret);
|
|
// everything seems in order -> proceed
|
|
$values['level'] = ($values['parent'] ? $this->id2name($values['parent'],'level')+1:0);
|
|
$this->adapt_level_in_subtree($values);
|
|
|
|
return $this->add($values);
|
|
}
|
|
else
|
|
{
|
|
//echo "old parent not set <br>";
|
|
if ($values['parent'] > 0)
|
|
{
|
|
$ret = $this->check_consistency4update($values);
|
|
if ($ret !== true) throw new egw_exception_wrong_userinput($ret);
|
|
|
|
// everything seems in order -> proceed
|
|
$values['main'] = $this->id2name($values['parent'],'main');
|
|
$values['level'] = $this->id2name($values['parent'],'level') + 1;
|
|
}
|
|
else
|
|
{
|
|
//echo "new parent not set <br>";
|
|
$values['main'] = $values['id'];
|
|
$values['level'] = 0;
|
|
}
|
|
// adapt the level info in each child
|
|
$this->adapt_level_in_subtree($values);
|
|
}
|
|
$this->db->update(self::TABLE,$cat=array(
|
|
'cat_name' => $values['name'],
|
|
'cat_description' => isset($values['description']) ? $values['description'] : $values['descr'], // support old name different from the one read
|
|
'cat_data' => is_array($values['data']) ? serialize($values['data']) : $values['data'],
|
|
'cat_parent' => $values['parent'],
|
|
'cat_access' => $values['access'],
|
|
'cat_owner' => isset($values['owner']) ? $values['owner'] : $this->account_id,
|
|
'cat_main' => $values['main'],
|
|
'cat_level' => $values['level'],
|
|
'last_mod' => time(),
|
|
),array(
|
|
'cat_id' => $values['id'],
|
|
'cat_appname' => $this->app_name,
|
|
),__LINE__,__FILE__);
|
|
|
|
$cat['cat_id'] = $values['id'];
|
|
$cat['cat_appname'] = $this->app_name;
|
|
|
|
// update cache accordingly
|
|
self::invalidate_cache(egw_db::strip_array_keys($cat, 'cat_'));
|
|
|
|
return (int)$values['id'];
|
|
}
|
|
|
|
/**
|
|
* return category id for a given name
|
|
*
|
|
* Cat's with the given name are returned in this order:
|
|
* - personal cats first
|
|
* - then application global categories
|
|
* - global categories
|
|
* - cat's of other user
|
|
*
|
|
* @param string $cat_name cat-name
|
|
* @param boolean|string $strip=false if true, strips 'X-' ($strip) from category names added by some SyncML clients
|
|
* @return int cat-id or 0 if not found
|
|
*/
|
|
function name2id($cat_name, $strip=false)
|
|
{
|
|
static $cache = array(); // a litle bit of caching
|
|
|
|
if (isset($cache[$cat_name])) return $cache[$cat_name];
|
|
|
|
if ($strip === true)
|
|
{
|
|
$strip = 'X-';
|
|
}
|
|
|
|
$cats = array($cat_name);
|
|
if ($strip && strncmp($strip, $cat_name, strlen($strip)) == 0)
|
|
{
|
|
$stripped_cat_name = substr($cat_name, strlen($strip));
|
|
if (isset($cache[$stripped_cat_name]))
|
|
{
|
|
$cache[$cat_name] = $cache[$stripped_cat_name];
|
|
return $cache[$stripped_cat_name];
|
|
}
|
|
$cats[] = $stripped_cat_name;
|
|
}
|
|
|
|
if (!($cats = $this->return_array('all',0,false,'','','',true,null,-1,'',array(
|
|
'name' => $cats,
|
|
'appname' => array($this->app_name, self::GLOBAL_APPNAME),
|
|
))))
|
|
{
|
|
return 0; // cat not found, dont cache it, as it might be created in this request
|
|
}
|
|
if (count($cats) > 1)
|
|
{
|
|
// if more the one cat matches we weight them by: exact name match; own, global, other users cat; appplication cats
|
|
foreach($cats as $k => $cat)
|
|
{
|
|
$cats[$k]['weight'] = 100 * ($cat['name'] == $cat_name) +
|
|
10 * ($cat['owner'] == $this->account_id ? 3 : ($cat['owner'] <= self::GLOBAL_ACCOUNT ? 2 : 1)) +
|
|
($cat['appname'] != self::GLOBAL_APPNAME);
|
|
}
|
|
// sort heighest weight to the top
|
|
usort($cats,create_function('$a,$b',"return \$b['weight'] - \$a['weight'];"));
|
|
}
|
|
return $cache[$cat['cat_name']] = (int) $cats[0]['id'];
|
|
}
|
|
|
|
/**
|
|
* Check if category is global (owner <= 0 || appname == 'phpgw')
|
|
*
|
|
* @param int|array $cat
|
|
* @param boolean $application_global=false true check for application global categories only (appname == 'phpgw')
|
|
* @return boolean
|
|
*/
|
|
static function is_global($cat,$application_global=false)
|
|
{
|
|
if (!is_array($cat) && !($cat = self::read($cat))) return null; // cat not found
|
|
|
|
$global_owner = false;
|
|
foreach(explode(',',$cat['owner']) as $owner)
|
|
{
|
|
$global_owner = $global_owner || $owner <= self::GLOBAL_ACCOUNT;
|
|
}
|
|
return $global_owner && !$application_global || $cat['appname'] == self::GLOBAL_APPNAME;
|
|
}
|
|
|
|
/**
|
|
* return category information for a given id
|
|
*
|
|
* We use a shared cache together with read
|
|
* $item == 'data' is returned as array (not serialized array)!
|
|
*
|
|
* @param int $cat_id=0 cat-id
|
|
* @param string $item='name' requested information, 'path' = / delimited path of category names (incl. parents)
|
|
* @return string information or '--' if not found or !$cat_id
|
|
*/
|
|
static function id2name($cat_id=0, $item='name')
|
|
{
|
|
if(!$cat_id) return '--';
|
|
if (!$item) $item = 'parent';
|
|
|
|
if (is_null(self::$cache)) self::init_cache();
|
|
|
|
$cat = self::$cache[$cat_id];
|
|
if ($item == 'path')
|
|
{
|
|
if ($cat['parent'])
|
|
{
|
|
return self::id2name($cat['parent'],'path').' / '.$cat['name'];
|
|
}
|
|
$item = 'name';
|
|
}
|
|
if ($item == 'data')
|
|
{
|
|
return $cat['data'] ? unserialize($cat['data']) : array();
|
|
}
|
|
elseif ($cat[$item])
|
|
{
|
|
return $cat[$item];
|
|
}
|
|
elseif ($item == 'name')
|
|
{
|
|
return '--';
|
|
}
|
|
return null;
|
|
}
|
|
|
|
|
|
/**
|
|
* check if a category id and/or name exists, if id AND name are given the check is for a category with same name and different id (!)
|
|
*
|
|
* @param string $type subs or mains
|
|
* @param string $cat_name='' category name
|
|
* @param int $cat_id=0 category id
|
|
* @param int $parent=0 category id of parent
|
|
* @return int/boolean cat_id or false if cat not exists
|
|
*/
|
|
function exists($type,$cat_name = '',$cat_id = 0,$parent = 0)
|
|
{
|
|
if ($cat_name)
|
|
{
|
|
$filter['name'] = $cat_name;
|
|
if ($cat_id) $filter['id'] = '!'.(int)$cat_id;
|
|
}
|
|
elseif ($cat_id)
|
|
{
|
|
$filter['id'] = $cat_id;
|
|
}
|
|
if (!($cats = $this->return_array($type,0,false,'','','',true,$parent,-1,'id',$filter)))
|
|
{
|
|
$ret = false;
|
|
}
|
|
else
|
|
{
|
|
$ret = $cats[0];
|
|
}
|
|
//error_log(__METHOD__."($type,$cat_name,$cat_id,$parent) = ".$ret);
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Change the owner of all cats owned by $owner to $to OR deletes them if !$to
|
|
*
|
|
* @param int $owner owner or the cats to delete or change
|
|
* @param int $to=0 new owner or 0 to delete the cats
|
|
* @param string $app='' if given only cats matching $app are modifed/deleted
|
|
*/
|
|
function change_owner($owner,$to=0,$app='')
|
|
{
|
|
$where = array('cat_owner' => $owner);
|
|
|
|
if ($app) $where['cat_appname'] = $app;
|
|
|
|
if ((int)$to)
|
|
{
|
|
$this->db->update(self::TABLE,array('cat_owner' => $to),$where,__LINE__,__FILE__);
|
|
}
|
|
else
|
|
{
|
|
$this->db->delete(self::TABLE,$where,__LINE__,__FILE__);
|
|
}
|
|
// update cache accordingly
|
|
self::invalidate_cache();
|
|
}
|
|
|
|
/**
|
|
* Initialise or restore the categories cache
|
|
*
|
|
* We use the default ordering of return_array to avoid doing it again there
|
|
*/
|
|
public static function init_cache()
|
|
{
|
|
self::$cache = egw_cache::getInstance(self::CACHE_APP, self::CACHE_NAME);
|
|
|
|
if (is_null(self::$cache))
|
|
{
|
|
// check if we are already updated to global owner == 0, if not do it now
|
|
if (!$GLOBALS['egw']->db->select(self::TABLE,'COUNT(*)',array('cat_owner'=>'0'),__LINE__,__FILE__)->fetchColumn())
|
|
{
|
|
$GLOBALS['egw']->db->update(self::TABLE,array('cat_owner'=>'0'),"(cat_owner='-1' OR cat_appname='phpgw')",__LINE__,__FILE__);
|
|
$GLOBALS['egw']->db->insert(self::TABLE,array(
|
|
'cat_main' => 0,
|
|
'cat_parent' => 0,
|
|
'cat_level' => 0,
|
|
'cat_owner' => 0,
|
|
'cat_appname' => '*update*',
|
|
'cat_name' => 'global=0',
|
|
'cat_description' => 'global=0',
|
|
),false,__LINE__,__FILE__);
|
|
}
|
|
self::$cache = array();
|
|
// read all cats (cant use $this->db!)
|
|
foreach($GLOBALS['egw']->db->select(self::TABLE,'*',false,__LINE__,__FILE__,
|
|
false,'ORDER BY cat_main, cat_level, cat_name ASC') as $cat)
|
|
{
|
|
$cat = egw_db::strip_array_keys($cat,'cat_');
|
|
if ($cat['appname'] == '*update*') continue; // --> ignore update marker
|
|
$cat['app_name'] = $cat['appname'];
|
|
// backlink children to their parent
|
|
if ($cat['parent'])
|
|
{
|
|
self::$cache[$cat['parent']]['children'][] = $cat['id'];
|
|
}
|
|
if (isset(self::$cache[$cat['id']]))
|
|
{
|
|
$cat['children'] = self::$cache[$cat['id']]['children'];
|
|
unset(self::$cache[$cat['id']]); // otherwise the order gets messed up!
|
|
}
|
|
self::$cache[$cat['id']] = $cat;
|
|
}
|
|
egw_cache::setInstance(self::CACHE_APP, self::CACHE_NAME, self::$cache);
|
|
}
|
|
//error_log(__METHOD__."() cache initialised: ".function_backtrace());
|
|
}
|
|
|
|
/**
|
|
* Invalidate the cache
|
|
*
|
|
* Currently we dont care for $cat_id, as changing cats happens very infrequently and
|
|
* also changes child categories (!)
|
|
*
|
|
* @param int|array $cat concerned id(s) or array with cat-data or null for all cats
|
|
*/
|
|
public static function invalidate_cache($cat=null)
|
|
{
|
|
//error_log(__METHOD__."(".array2string($cat).') '.function_backtrace());
|
|
|
|
// allways invalidate instance-global cache, as updating our own cache is not perfect and does not help other sessions
|
|
egw_cache::unsetInstance(self::CACHE_APP, self::CACHE_NAME);
|
|
|
|
// if cat given update our own cache, to work around failed sitemgr install via setup (cant read just added categories)
|
|
if ($cat)
|
|
{
|
|
if (!is_array($cat) || isset($cat[0]))
|
|
{
|
|
foreach((array)$cat as $cat_id)
|
|
{
|
|
unset(self::$cache[$cat_id]);
|
|
}
|
|
}
|
|
elseif($cat['id'])
|
|
{
|
|
self::$cache[$cat['id']] = $cat;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
self::init_cache();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Delete categories belonging to a given account, when account got deleted
|
|
*
|
|
* @param int $account_id
|
|
* @param int $new_owner=null for users data can be transfered to new owner
|
|
* @return int number of deleted or modified categories
|
|
*/
|
|
public static function delete_account($account_id, $new_owner=null)
|
|
{
|
|
if (is_null(self::$cache)) self::init_cache();
|
|
|
|
$deleted = 0;
|
|
foreach(self::$cache as $cat_id => $data)
|
|
{
|
|
if ($data['owner'] && ($owners = explode(',', $data['owner'])) && ($owner_key = array_search($account_id, $owners)) !== false)
|
|
{
|
|
// delete category if account_id is single owner and no new owner or owner is a group
|
|
if (count($owners) == 1 && (!$new_owner || $account_id < 0))
|
|
{
|
|
if (!isset($cat))
|
|
{
|
|
$cat = new categories($new_owner, $data['appname']);
|
|
}
|
|
$cat->delete($cat_id, false, true);
|
|
}
|
|
else
|
|
{
|
|
unset($owners[$owner_key]);
|
|
if ($new_owner && $account_id > 0) $owners[] = $new_owner;
|
|
$data['owner'] = implode(',', $owners);
|
|
// app_name have to match cat to update!
|
|
if (!isset($cat) || $cat->app_name != $data['appname'])
|
|
{
|
|
$cat = new categories($new_owner, $data['appname']);
|
|
}
|
|
$cat->add($data);
|
|
}
|
|
++$deleted;
|
|
}
|
|
}
|
|
return $deleted;
|
|
}
|
|
|
|
/**
|
|
* Delete categories with not (longer) existing owners
|
|
*
|
|
* @return int number of deleted categories
|
|
*/
|
|
public static function delete_orphans()
|
|
{
|
|
if (is_null(self::$cache)) self::init_cache();
|
|
|
|
$checked = array();
|
|
$deleted = 0;
|
|
foreach(self::$cache as $cat_id => $data)
|
|
{
|
|
foreach(explode(',', $data['owner']) as $owner)
|
|
{
|
|
if ($owner && !in_array($owner, $checked))
|
|
{
|
|
if (!$GLOBALS['egw']->accounts->exists($owner))
|
|
{
|
|
$deleted += self::delete_account($owner);
|
|
}
|
|
$checked[] = $owner;
|
|
}
|
|
}
|
|
}
|
|
return $deleted;
|
|
}
|
|
|
|
/**
|
|
******************************** old / deprecated functions ***********************************
|
|
*/
|
|
|
|
/**
|
|
* read a single category
|
|
*
|
|
* We use a shared cache together with id2name
|
|
*
|
|
* @deprecated use read($id) returning just the category array not an array with one element
|
|
* @param int $id id of category
|
|
* @return array|boolean array with one array of cat-data or false if cat not found
|
|
*/
|
|
static function return_single($id)
|
|
{
|
|
if (is_null(self::$cache)) self::init_cache();
|
|
|
|
return isset(self::$cache[$id]) ? array(self::$cache[$id]) : false;
|
|
}
|
|
|
|
/**
|
|
* return into a select box, list or other formats
|
|
*
|
|
* @param string/array $format string 'select' or 'list', or array with all params
|
|
* @param string $type='' subs or mains
|
|
* @param int/array $selected - cat_id or array with cat_id values
|
|
* @param boolean $globals True or False, includes the global egroupware categories or not
|
|
* @deprecated use html class to create selectboxes
|
|
* @return string populated with categories
|
|
*/
|
|
function formatted_list($format,$type='',$selected = '',$globals = False,$site_link = 'site')
|
|
{
|
|
if(is_array($format))
|
|
{
|
|
$type = ($format['type']?$format['type']:'all');
|
|
$selected = (isset($format['selected'])?$format['selected']:'');
|
|
$self = (isset($format['self'])?$format['self']:'');
|
|
$globals = (isset($format['globals'])?$format['globals']:True);
|
|
$site_link = (isset($format['site_link'])?$format['site_link']:'site');
|
|
$format = $format['format'] ? $format['format'] : 'select';
|
|
}
|
|
|
|
if (!is_array($selected))
|
|
{
|
|
$selected = explode(',',$selected);
|
|
}
|
|
|
|
if ($type != 'all')
|
|
{
|
|
$cats = $this->return_array($type,0,False,'','','',$globals);
|
|
}
|
|
else
|
|
{
|
|
$cats = $this->return_sorted_array(0,False,'','','',$globals);
|
|
}
|
|
|
|
if (!$cats) return '';
|
|
|
|
if($self)
|
|
{
|
|
foreach($cats as $key => $cat)
|
|
{
|
|
if ($cat['id'] == $self)
|
|
{
|
|
unset($cats[$key]);
|
|
}
|
|
}
|
|
}
|
|
|
|
switch ($format)
|
|
{
|
|
case 'select':
|
|
foreach($cats as $cat)
|
|
{
|
|
$s .= '<option value="' . $cat['id'] . '"';
|
|
if (in_array($cat['id'],$selected))
|
|
{
|
|
$s .= ' selected="selected"';
|
|
}
|
|
$s .= '>'.str_repeat(' ',$cat['level']);
|
|
$s .= $GLOBALS['egw']->strip_html($cat['name']);
|
|
if (self::is_global($cat))
|
|
{
|
|
$s .= self::$global_marker;
|
|
}
|
|
$s .= '</option>' . "\n";
|
|
}
|
|
break;
|
|
|
|
case 'list':
|
|
$space = ' ';
|
|
|
|
$s = '<table border="0" cellpadding="2" cellspacing="2">' . "\n";
|
|
|
|
foreach($cats as $cat)
|
|
{
|
|
$image_set = ' ';
|
|
|
|
if (in_array($cat['id'],$selected))
|
|
{
|
|
$image_set = '<img src="' . EGW_IMAGES_DIR . '/roter_pfeil.gif">';
|
|
}
|
|
if (($cat['level'] == 0) && !in_array($cat['id'],$selected))
|
|
{
|
|
$image_set = '<img src="' . EGW_IMAGES_DIR . '/grauer_pfeil.gif">';
|
|
}
|
|
$space_set = str_repeat($space,$cat['level']);
|
|
|
|
$s .= '<tr>' . "\n";
|
|
$s .= '<td width="8">' . $image_set . '</td>' . "\n";
|
|
$s .= '<td>' . $space_set . '<a href="' . $GLOBALS['egw']->link($site_link,'cat_id=' . $cat['id']) . '">'
|
|
. $GLOBALS['egw']->strip_html($cat['name'])
|
|
. '</a></td>' . "\n"
|
|
. '</tr>' . "\n";
|
|
}
|
|
$s .= '</table>' . "\n";
|
|
break;
|
|
}
|
|
return $s;
|
|
}
|
|
|
|
/**
|
|
* return category name for a given id
|
|
*
|
|
* @deprecated This is only a temp wrapper, use id2name() to keep things matching across the board. (jengo)
|
|
* @param int $cat_id
|
|
* @return string cat_name category name
|
|
*/
|
|
function return_name($cat_id)
|
|
{
|
|
return $this->id2name($cat_id);
|
|
}
|
|
}
|