egroupware/infolog/inc/class.soinfolog.inc.php

555 lines
18 KiB
PHP

<?php
/**************************************************************************\
* eGroupWare - InfoLog *
* http://www.eGroupWare.org *
* Written by Ralf Becker <RalfBecker@outdoor-training.de> *
* originaly based on todo written by Joseph Engo <jengo@phpgroupware.org> *
* -------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
\**************************************************************************/
/* $Id$ */
include_once(EGW_API_INC.'/class.solink.inc.php');
/**
* storage object / db-layer for InfoLog
*
* all values passed to this class are run either through intval or addslashes to prevent query-insertion
* and for pgSql 7.3 compatibility
*
* @package infolog
* @author RalfBecker-At-outdoor-training.de
* @copyright GPL - GNU General Public License
*/
class soinfolog // DB-Layer
{
var $db;
var $grants;
var $data = array( );
var $user;
var $info_table = 'egw_infolog';
var $extra_table = 'egw_infolog_extra';
/**
* constructor
*/
function soinfolog( $info_id = 0)
{
$this->db = clone($GLOBALS['egw']->db);
$this->db->set_app('infolog');
$this->grants = $GLOBALS['egw']->acl->get_grants('infolog');
$this->user = $GLOBALS['egw_info']['user']['account_id'];
$this->links =& new solink();
$this->tz_offset = $GLOBALS['egw_info']['user']['preferences']['common']['tz_offset'];
$this->read( $info_id );
}
/**
* checks if user has the $required_rights to access $info_id (private access is handled too)
*
* @param $info_id Id of InfoLog entry
* @param $required_rights EGW_ACL_xyz anded together
* @return boolean True if access is granted else False
*/
function check_access( $info_id,$required_rights )
{
if ($info_id != $this->data['info_id']) // already loaded?
{
// dont change our own internal data,
// dont use new as it changes $phpgw->db
$private_info = $this;
$info = $private_info->read($info_id);
}
else
{
$info = $this->data;
}
if (!$info || !$info_id)
{
return False;
}
$owner = $info['info_owner'];
$access_ok = $owner == $this->user || // user has all rights
// ACL only on public entrys || $owner granted _PRIVATE
(!!($this->grants[$owner] & $required_rights) ||
// implicite read-rights for responsible user !!!
$info['info_responsible'] == $this->user && $required_rights == EGW_ACL_READ) &&
($info['info_access'] == 'public' ||
!!($this->grants[$owner] & EGW_ACL_PRIVATE));
//echo "<p>check_access(info_id=$info_id (owner=$owner, user=$user),required_rights=$required_rights): access".($access_ok?"Ok":"Denied")."</p>\n";
return $access_ok;
}
/**
* generate sql to be AND'ed into a query to ensure ACL is respected (incl. _PRIVATE)
*
* @param $filter: none|all - list all entrys user have rights to see<br>
* private|own - list only his personal entrys (incl. those he is responsible for !!!), my = entries the user is responsible for
* @return string the necesary sql
*/
function aclFilter($filter = False)
{
preg_match('/(my|own|privat|all|none|user)([0-9]*)/',$filter_was=$filter,$vars);
$filter = $vars[1];
$f_user = intval($vars[2]);
if (isset($this->acl_filter[$filter.$f_user]))
{
return $this->acl_filter[$filter.$f_user]; // used cached filter if found
}
if (is_array($this->grants))
{
foreach($this->grants as $user => $grant)
{
// echo "<p>grants: user=$user, grant=$grant</p>";
if ($grant & (EGW_ACL_READ|EGW_ACL_EDIT))
{
$public_user_list[] = $user;
}
if ($grant & EGW_ACL_PRIVATE)
{
$private_user_list[] = $user;
}
}
if (count($private_user_list))
{
$has_private_access = 'info_owner IN ('.implode(',',$private_user_list).')';
}
}
$filtermethod = " (info_owner=$this->user"; // user has all rights
if ($filter == 'my')
{
$filtermethod .= ' AND info_responsible=0';
}
// implicit read-rights for responsible user
$filtermethod .= " OR (info_responsible=$this->user AND info_access='public')";
// private: own entries plus the one user is responsible for
if ($filter == 'private' || $filter == 'own')
{
$filtermethod .= " OR (info_responsible=$this->user".
($filter == 'own' && count($public_user_list) ? // offer's should show up in own, eg. startpage, but need read-access
" OR info_status = 'offer' AND info_owner IN(" . implode(',',$public_user_list) . ')' : '').")".
" AND (info_access='public'".($has_private_access?" OR $has_private_access":'').')';
}
elseif ($filter != 'my') // none --> all entrys user has rights to see
{
if ($has_private_access)
{
$filtermethod .= " OR $has_private_access";
}
if (count($public_user_list))
{
$filtermethod .= " OR (info_access='public' AND info_owner IN(" . implode(',',$public_user_list) . '))';
}
}
$filtermethod .= ') ';
if ($filter == 'user' && $f_user > 0)
{
$filtermethod = " ((info_owner=$f_user AND info_responsible=0 OR info_responsible=$f_user) AND $filtermethod)";
}
//echo "<p>aclFilter(filter='$filter_was',user='$user') = '$filtermethod', privat_user_list=".print_r($privat_user_list,True).", public_user_list=".print_r($public_user_list,True)."</p>\n";
return $this->acl_filter[$filter.$f_user] = $filtermethod; // cache the filter
}
/**
* generate sql to filter based on the status of the log-entry
*
* @param $filter done = done or billed, open = not ()done or billed), offer = offer
* @return string the necesary sql
*/
function statusFilter($filter = '')
{
preg_match('/(done|open|offer)/',$filter,$vars);
$filter = $vars[1];
switch ($filter)
{
case 'done': return " AND info_status IN ('done','billed')";
case 'open': return " AND NOT (info_status IN ('done','billed'))";
case 'offer': return " AND info_status = 'offer'";
}
return '';
}
/**
* generate sql to filter based on the start- and enddate of the log-entry
*
* @param $filter upcoming = startdate is in the future<br>
* today startdate < tomorrow<br>
* overdue enddate < tomorrow<br>
* limitYYYY/MM/DD not older or open
* @return string the necesary sql
*/
function dateFilter($filter = '')
{
preg_match('/(upcoming|today|overdue|date)([-\\/.0-9]*)/',$filter,$vars);
$filter = $vars[1];
if (isset($vars[2]) && !empty($vars[2]) && ($date = split('[-/.]',$vars[2])))
{
$today = mktime(-$this->tz_offset,0,0,intval($date[1]),intval($date[2]),intval($date[0]));
$tomorrow = mktime(-$this->tz_offset,0,0,intval($date[1]),intval($date[2])+1,intval($date[0]));
}
else
{
$now = getdate(time()-60*60*$this->tz_offset);
$tomorrow = mktime(-$this->tz_offset,0,0,$now['mon'],$now['mday']+1,$now['year']);
}
switch ($filter)
{
case 'upcoming':
return " AND info_startdate >= '$tomorrow'";
case 'today':
return " AND info_startdate < '$tomorrow'";
case 'overdue':
return " AND (info_enddate != 0 AND info_enddate < '$tomorrow')";
case 'date':
if (!$today || !$tomorrow)
{
return '';
}
return " AND ($today <= info_startdate AND info_startdate < $tomorrow)";
case 'limit':
return " AND (info_modified >= '$today' OR NOT (info_status IN ('done','billed')))";
}
return '';
}
/**
* initialise the internal $this->data to be empty
*
* only non-empty values got initialised
*/
function init()
{
$this->data = array(
'info_owner' => $this->user,
'info_priority' => 1,
);
}
/**
* read InfoLog entry $info_id
*
* some cacheing is done to prevent multiple reads of the same entry
*
* @param $info_id id of log-entry
* @return array/boolean the entry as array or False on error (eg. entry not found)
*/
function read($info_id) // did _not_ ensure ACL
{
$info_id = (int) $info_id;
if ($info_id <= 0 || $info_id != $this->data['info_id'] &&
(!$this->db->select($this->info_table,'*',array('info_id'=>$info_id),__LINE__,__FILE__) ||
!(($this->data = $this->db->row(true)))))
{
$this->init( );
return False;
}
if ($info_id != $this->data['info_id']) // data yet read in
{
$this->db->select($this->extra_table,'info_extra_name,info_extra_value',array('info_id'=>$info_id),__LINE__,__FILE__);
while ($this->db->next_record())
{
$this->data['#'.$this->db->f(0)] = $this->db->f(1);
}
}
return $this->data;
}
/**
* delete InfoLog entry $info_id AND the links to it
*
* @param int $info_id id of log-entry
* @param bool $delete_children delete the children, if not set there parent-id to $new_parent
* @param int $new_parent new parent-id to set for subs
*/
function delete($info_id,$delete_children=True,$new_parent=0) // did _not_ ensure ACL
{
//echo "<p>soinfolog::delete($info_id,'$delete_children',$new_parent)</p>\n";
if ((int) $info_id <= 0)
{
return;
}
$this->db->delete($this->info_table,array('info_id'=>$info_id),__LINE__,__FILE__);
$this->db->delete($this->extra_table,array('info_id'=>$info_id),__LINE__,__FILE__);
$this->links->unlink(0,'infolog',$info_id);
if ($this->data['info_id'] == $info_id)
{
$this->init( );
}
// delete children, if they are owned by the user
if ($delete_children)
{
$db2 = clone($this->db); // we need an extra result-set
$db2->select($this->info_table,'info_id',array(
'info_id_parent' => $info_id,
'info_owner' => $this->user,
),__LINE__,__FILE__);
while ($db2->next_record())
{
$this->delete($db2->f(0),$delete_children);
}
}
// set parent_id to $new_parent or 0 for all not deleted children
$this->db->update($this->info_table,array('info_id_parent'=>$new_parent),array('info_id_parent'=>$info_id),__LINE__,__FILE__);
}
/**
* changes or deletes entries with a spezified owner (for hook_delete_account)
*
* @param $owner old owner
* @param $new_owner new owner or 0 if entries should be deleted
*/
function change_delete_owner($owner,$new_owner=0) // new_owner=0 means delete
{
if (!(int) $new_owner)
{
$db2 = clone($this->db); // we need an extra result-set
$db2->select($this->info_table,'info_id',array('info_owner'=>$owner),__LINE__,__FILE__);
while($db2->next_record())
{
$this->delete($this->db->f(0),False);
}
}
else
{
$this->db->update($this->info_table,array('info_owner'=>$new_owner),array('info_owner'=>$owner),__LINE__,__FILE__);
}
$this->db->update($this->info_table,array('info_responsible'=>$new_owner),array('info_responsible'=>$owner),__LINE__,__FILE__);
}
/**
* writes the given $values to InfoLog, a new entry gets created if info_id is not set or 0
*
* @param array $values with the data of the log-entry
* @return int the info_id
*/
function write($values) // did _not_ ensure ACL
{
$info_id = (int) $values['info_id'];
$table_def = $this->db->get_table_definitions('infolog',$this->info_table);
$to_write = array();
foreach($values as $key => $val)
{
if ($key != 'info_id' && isset($table_def['fd'][$key]))
{
$to_write[$key] = $this->data[$key] = $val; // update internal data
}
}
if (!isset($to_write['info_id_parent'])) $to_write['info_id_parent'] = 0; // must not be null
if (($this->data['info_id'] = $info_id))
{
$this->db->update($this->info_table,$to_write,array('info_id'=>$info_id),__LINE__,__FILE__);
}
else
{
$this->db->insert($this->info_table,$to_write,false,__LINE__,__FILE__);
$this->data['info_id']=$this->db->get_last_insert_id($this->info_table,'info_id');
}
//echo "<p>soinfolog.write values= "; _debug_array($values);
// write customfields now
foreach($values as $key => $val)
{
if ($key[0] != '#')
{
continue; // no customfield
}
$this->data[$key] = $val; // update internal data
$this->db->insert($this->extra_table,array(
'info_extra_value'=>$val
),array(
'info_id' => $info_id,
'info_extra_name' => substr($key,1),
),__LINE__,__FILE__);
}
// echo "<p>soinfolog.write this->data= "; _debug_array($this->data);
return $this->data['info_id'];
}
/**
* count the sub-entries of $info_id
*
* @param $info_id id of log-entry
* @return int the number of sub-entries
*/
function anzSubs( $info_id )
{
if (($info_id = intval($info_id)) <= 0)
{
return 0;
}
$this->db->select($this->info_table,'count(*)',array(
'info_id_parent' => $info_id,
$this->aclFilter()
),__LINE__,__FILE__);
$this->db->next_record();
//echo "<p>anzSubs($info_id) = ".$this->db->f(0)." ($sql)</p>\n";
return $this->db->f(0);
}
/**
* searches InfoLog for a certain pattern in $query
*
* @param $query[order] column-name to sort after
* @param $query[sort] sort-order DESC or ASC
* @param $query[filter] string with combination of acl-, date- and status-filters, eg. 'own-open-today' or ''
* @param $query[cat_id] category to use or 0 or unset
* @param $query[search] pattern to search, search is done in info_from, info_subject and info_des
* @param $query[action] / $query[action_id] if only entries linked to a specified app/entry show be used
* @param &$query[start], &$query[total] nextmatch-parameters will be used and set if query returns less entries
* @param $query[col_filter] array with column-name - data pairs, data == '' means no filter (!)
* @param $query[subs] boolean return subs or not, if unset the user preference is used
* @return array with id's as key of the matching log-entries
*/
function search(&$query)
{
//echo "<p>soinfolog.search(".print_r($query,True).")</p>\n";
$action2app = array(
'addr' => 'addressbook',
'proj' => 'projects',
'event' => 'calendar'
);
$action = isset($action2app[$query['action']]) ? $action2app[$query['action']] : $query['action'];
if ($action != '')
{
$links = $this->links->get_links($action=='sp'?'infolog':$action,$query['action_id'],'infolog');
if (count($links))
{
$link_extra = ($action == 'sp' ? 'OR' : 'AND')." $this->info_table.info_id IN (".implode(',',$links).')';
}
}
if (!empty($query['order']) && eregi('^[a-z_0-9, ]+$',$query['order']) && (empty($query['sort']) || eregi('^(DESC|ASC)$',$query['sort'])))
{
$order = array();
foreach(explode(',',$query['order']) as $val)
{
$val = trim($val);
$val = (substr($val,0,5) != 'info_' ? 'info_' : '').$val;
if ($val == 'info_des' && $this->db->Type == 'mssql')
{
$val = "CAST($val AS varchar)";
}
$order[] = $val;
}
$ordermethod = 'ORDER BY ' . implode(',',$order) . ' ' . $query['sort'];
}
else
{
$ordermethod = 'ORDER BY info_datemodified DESC'; // newest first
}
$filtermethod = $this->aclFilter($query['filter']);
$filtermethod .= $this->statusFilter($query['filter']);
$filtermethod .= $this->dateFilter($query['filter']);
if (is_array($query['col_filter']))
{
if (!$this->table_defs) $this->table_defs = $this->db->get_table_definitions('infolog',$this->info_table);
foreach($query['col_filter'] as $col => $data)
{
if (substr($col,0,5) != 'info_') $col = 'info_'.$col;
$data = $this->db->quote($data,$this->table_defs['fd'][$col]['type']);
if (!empty($data) && eregi('^[a-z_0-9]+$',$col))
{
$filtermethod .= $col != 'info_responsible' ? " AND $col=$data" :
" AND (info_responsible=$data OR info_responsible=0 AND info_owner=$data)";
}
}
}
//echo "<p>filtermethod='$filtermethod'</p>";
if ((int)$query['cat_id'])
{
//$filtermethod .= ' AND info_cat='.intval($query['cat_id']).' ';
if (!is_object($GLOBALS['egw']->categories))
{
$GLOBALS['egw']->categories =& CreateObject('phpgwapi.categories');
}
$cats = $GLOBALS['egw']->categories->return_all_children((int)$query['cat_id']);
$filtermethod .= ' AND info_cat'.(count($cats)>1? ' IN ('.implode(',',$cats).') ' : '='.(int)$query['cat_id']);
}
$join = '';
if ($query['query']) $query['search'] = $query['query']; // allow both names
if ($query['search']) // we search in _from, _subject, _des and _extra_value for $query
{
$pattern = $this->db->quote('%'.$query['search'].'%');
$columns = array('info_from','info_subject','info_extra_value');
switch($this->db->Type)
{
case 'sapdb':
case 'maxdb':
// at the moment MaxDB 7.5 cant cast nor search text columns, it's suppost to change in 7.6
break;
default:
$columns[] = 'info_des';
}
$sql_query = 'AND ('.implode(" LIKE $pattern OR ",$columns)." LIKE $pattern) ";
$join = "LEFT JOIN $this->extra_table ON $this->info_table.info_id=$this->extra_table.info_id";
}
$pid = 'AND info_id_parent='.($action == 'sp' ? $query['action_id'] : 0);
if (!$GLOBALS['egw_info']['user']['preferences']['infolog']['listNoSubs'] &&
$action != 'sp' || isset($query['subs']) && $query['subs'])
{
$pid = '';
}
$ids = array( );
if ($action == '' || $action == 'sp' || count($links))
{
$sql_query = "FROM $this->info_table $join WHERE ($filtermethod $pid $sql_query) $link_extra";
switch($this->db->Type)
{
// mssql and others cant use DISTICT if text columns (info_des) are involved
case 'mssql':
case 'sapdb':
case 'maxdb':
$distinct = '';
break;
default:
$distinct = 'DISTINCT';
}
$this->db->query($sql="SELECT $distinct $this->info_table.info_id ".$sql_query,__LINE__,__FILE__);
$query['total'] = $this->db->num_rows();
if (!$query['start'] || $query['start'] > $query['total'])
{
$query['start'] = 0;
}
$this->db->limit_query($sql="SELECT $distinct $this->info_table.* $sql_query $ordermethod",$query['start'],__LINE__,__FILE__);
//echo "<p>sql='$sql'</p>\n";
while (($info =& $this->db->row(true)))
{
$ids[$info['info_id']] =& $info;
}
}
else
{
$query['start'] = $query['total'] = 0;
}
return $ids;
}
}