egroupware_official/infolog/inc/class.soinfolog.inc.php

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<?php
/**************************************************************************\
* eGroupWare - InfoLog *
* http://www.eGroupWare.org *
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* 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. *
\**************************************************************************/
/* $Id$ */
/*!
@class soinfolog
@abstract storage object / db-layer for InfoLog
@author Ralf Becker
@copyright GPL - GNU General Public License
@note all values passed to this class are run either through intval or addslashes to prevent query-insertion
and for pgSql 7.3 compatibility
*/
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class soinfolog // DB-Layer
{
var $db,$db2;
var $grants;
var $data = array( );
var $user;
/*!
@function soinfolog
@abstract constructor
*/
function soinfolog( $info_id = 0)
{
$this->db = $GLOBALS['phpgw']->db;
$this->grants = $GLOBALS['phpgw']->acl->get_grants('infolog');
$this->user = $GLOBALS['phpgw_info']['user']['account_id'];
$this->links = CreateObject('infolog.solink');
$this->tz_offset = $GLOBALS['phpgw_info']['user']['preferences']['common']['tz_offset'];
$this->read( $info_id );
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}
/*!
@function check_access
@abstract checks if user has the $required_rights to access $info_id (private access is handled too)
@syntax check_access( $info_id,$required_rights )
@param $info_id Id of InfoLog entry
@param $required_rights PHPGW_ACL_xyz anded together
@returns 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 = $this;
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$info = $private_info->read($info_id);
}
else
{
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$info = $this->data;
}
if (!$info || !$info_id)
{
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return False;
}
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$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 && $required_rights == PHPGW_ACL_READ) &&
($info['info_access'] == 'public' ||
!!($this->grants[$owner] & PHPGW_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;
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}
/*!
@function aclFilter
@abstract generate sql to be AND'ed into a query to ensure ACL is respected (incl. _PRIVATE)
@param $filter: none|all - list all entrys user have rights to see<br>
private|own - list only his personal entrys (incl. those he is responsible for !!!)
@returns the necesary sql
*/
function aclFilter($filter = False)
{
ereg('.*(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.$user]))
{
return $this->acl_filter[$filter.$user]; // used cached filter if found
}
if (is_array($this->grants))
{
foreach($this->grants as $user => $grant)
{
// echo "<p>grants: user=$user, grant=$grant</p>";
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if ($grant & (PHPGW_ACL_READ|PHPGW_ACL_EDIT))
{
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$public_user_list[] = $user;
}
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if ($grant & PHPGW_ACL_PRIVATE)
{
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$private_user_list[] = $user;
}
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}
if (count($private_user_list))
{
$has_private_access = 'info_owner IN ('.implode(',',$private_user_list).')';
}
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}
$filtermethod = " (info_owner=$this->user"; // user has all rights
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// 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 OR info_status = 'offer')".
" AND (info_access='public'".($has_private_access?" OR $has_private_access":'').')';
}
else // none --> all entrys user has rights to see
{
if ($has_private_access)
{
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$filtermethod .= " OR $has_private_access";
}
if (count($public_user_list))
{
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$filtermethod .= " OR (info_access='public' AND info_owner IN(" . implode(',',$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.$user] = $filtermethod; // cache the filter
}
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/*!
@function statusFilter
@abstract generate sql to filter based on the status of the log-entry
@syntax statusFilter($filter = '')
@param $filter done = done or billed, open = not ()done or billed), offer = offer
@returns the necesary sql
*/
function statusFilter($filter = '')
{
ereg('.*(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 '';
}
/*!
@function dateFilter
@abstract generate sql to filter based on the start- and enddate of the log-entry
@syntax dateFilter($filter = '')
@param $filter upcoming = startdate is in the future<br>
today startdate < tomorrow<br>
overdue enddate < tomorrow<br>
limitYYYY/MM/DD not older or open
@returns the necesary sql
*/
function dateFilter($filter = '')
{
ereg('.*(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 '';
}
/*!
@function init
@abstract initialise the internal $this->data to be empty
@discussion only non-empty values got initialised
*/
function init()
{
$this->data = array(
'info_owner' => $this->user,
'info_pri' => 'normal'
);
}
/*!
@function db2data
@abstract copy data after a query into $data
@syntax db2data(&$data)
@param $data array to copy the data
@description copy only non-numeric keys
*/
function db2data(&$data)
{
$data = array();
foreach ($this->db->Record as $key => $val)
{
if (!is_numeric($key))
{
$data[$key] = $val;
}
}
}
/*!
@function read
@abstract read InfoLog entry $info_id
@syntax read( $info_id )
@param $info_id id of log-entry
@description some cacheing is done to prevent multiple reads of the same entry
@returns the entry as array
*/
function read($info_id) // did _not_ ensure ACL
{
$info_id = intval($info_id);
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if ($info_id <= 0 || $info_id != $this->data['info_id'] &&
(!$this->db->query("select * FROM phpgw_infolog WHERE info_id=$info_id",__LINE__,__FILE__) ||
!$this->db->next_record()))
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{
$this->init( );
return False;
}
if ($info_id != $this->data['info_id']) // data yet read in
{
$this->db2data($this->data);
$this->db->query("SELECT info_extra_name,info_extra_value FROM phpgw_infolog_extra WHERE info_id=$info_id",__LINE__,__FILE__);
while ($this->db->next_record())
{
$this->data['#'.$this->db->f(0)] = $this->db->f(1);
}
}
return $this->data;
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}
/*!
@function delete
@abstract delete InfoLog entry $info_id AND the links to it
@syntax delete( $info_id )
@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',$new_parent)</p>\n";
if (($info_id = intval($info_id)) <= 0)
{
return;
}
$this->db->query("DELETE FROM phpgw_infolog WHERE info_id=$info_id",__LINE__,__FILE__);
$this->db->query("DELETE FROM phpgw_infolog_extra WHERE info_id=$info_id");
$this->links->unlink(0,'infolog',$info_id);
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if ($this->data['info_id'] == $info_id)
{
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$this->init( );
}
// delete children, if they are owned by the user
if ($delete_children)
{
$db2 = $this->db; // we need an extra result-set
$db2->query("SELECT info_id FROM phpgw_infolog WHERE info_id_parent=$info_id AND info_owner=$this->user",__LINE__,__FILE__);
while ($db2->next_record())
{
$this->delete($db2->f(0),$delete_children);
}
}
// set parent_id to $new_parent for all not deleted children
$new_parent = intval($new_parent);
$this->db->query("UPDATE phpgw_infolog SET info_id_parent=$new_parent WHERE info_id_parent=$info_id",__LINE__,__FILE__);
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}
/*!
@function change_delete_owner
@abstract changes or deletes entries with a spezified owner (for hook_delete_account)
@syntax change_delete_owner( $owner,$new_owner=0 )
@param $owner old owner
@param $new_owner new owner or 0 if entries should be deleted
*/
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function change_delete_owner($owner,$new_owner=0) // new_owner=0 means delete
{
$owner = intval($owner);
if (!($new_owner = intval($new_owner)))
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{
$db2 = $this->db; // we need an extra result-set
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$db2->query("SELECT info_id FROM phpgw_infolog WHERE info_owner=$owner",__LINE__,__FILE__);
while($db2->next_record())
{
$this->delete($this->db->f(0),False);
}
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}
else
{
$this->db->query("UPDATE phpgw_infolog SET info_owner=$new_owner WHERE info_owner=$owner",__LINE__,__FILE__);
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}
$this->db->query("UPDATE phpgw_infolog SET info_responsible=$new_owner WHERE info_responsible=$owner",__LINE__,__FILE__);
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}
/*!
@function write
@abstract writes the given $values to InfoLog, a new entry gets created if info_id is not set or 0
@syntax write( $values )
@param $values array with the data of the log-entry
@returns nothing direct, but the info_id gets
*/
function write($values) // did _not_ ensure ACL
{
include(PHPGW_SERVER_ROOT.'/infolog/setup/tables_current.inc.php');
$db_cols = $phpgw_baseline['phpgw_infolog']['fd'];
unset($phpgw_baseline);
$info_id = intval($values['info_id']) > 0 ? intval($values['info_id']) : 0;
foreach($values as $key => $val)
{
if ($key != 'info_id')
{
if (!isset($db_cols[$key]))
{
continue; // not in infolog-table
}
$this->data[$key] = $val; // update internal data
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switch($db_cols[$key]['type']) // protection against query-insertion
{
case 'int': case 'auto':
$val = intval($val);
break;
default:
$val = "'".$this->db->db_addslashes($val)."'";
break;
}
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$cols .= (strlen($cols) ? ',' : '').$key;
$vals .= (strlen($vals) ? ',' : '').$val;
$query .= (strlen($query) ? ',' : '')."$key=$val";
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}
}
if (($this->data['info_id'] = $info_id))
{
$query = "UPDATE phpgw_infolog SET $query WHERE info_id=$info_id";
$this->db->query($query,__LINE__,__FILE__);
}
else
{
$query = "INSERT INTO phpgw_infolog ($cols) VALUES ($vals)";
$this->db->query($query,__LINE__,__FILE__);
$this->data['info_id']=$this->db->get_last_insert_id('phpgw_infolog','info_id');
}
//echo "<p>soinfolog.write values= "; _debug_array($values);
// write customfields now
$existing = array();
if ($info_id) // existing entry
{
$this->db->query("SELECT info_extra_name FROM phpgw_infolog_extra WHERE info_id=$info_id",__LINE__,__FILE__);
while($this->db->next_record())
{
$existing[strtolower($this->db->f(0))] = True;
}
}
foreach($values as $key => $val)
{
if ($key[0] != '#')
{
continue; // no customfield
}
$this->data[$key] = $val; // update internal data
$val = $this->db->db_addslashes($val);
$name = $this->db->db_addslashes($key = substr($key,1));
if ($existing[strtolower($key)])
{
$query = "UPDATE phpgw_infolog_extra SET info_extra_value='$val' WHERE info_id=$info_id AND info_extra_name='$name'";
}
else
{
$query = "INSERT INTO phpgw_infolog_extra (info_id,info_extra_name,info_extra_value) VALUES ($info_id,'$name','$val')";
}
$this->db->query($query,__LINE__,__FILE__);
}
// echo "<p>soinfolog.write this->data= "; _debug_array($this->data);
return $this->data['info_id'];
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}
/*!
@function anzSubs
@abstract count the sub-entries of $info_id
@syntax anzSubs( $info_id )
@param $info_id id of log-entry
@returns the number of sub-entries
*/
function anzSubs( $info_id )
{
if (($info_id = intval($info_id)) <= 0)
{
return 0;
}
$this->db->query($sql="select count(*) FROM phpgw_infolog WHERE info_id_parent=$info_id AND ".$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);
}
/*!
@function search
@abstract searches InfoLog for a certain pattern in $query
@syntax search( $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 $query[col_filter] array with column-name - data pairs, data == '' means no filter (!)
@returns array with id's as key of the matching log-entries
*/
function search(&$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').' phpgw_infolog.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);
$order[] = (substr($val,0,5) != 'info_' ? 'info_' : '').$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($query['col_filter']))
{
foreach($query['col_filter'] as $col => $data)
{
$data = $this->db->db_addslashes($data);
if (substr($col,0,5) != 'info_') $col = 'info_'.$col;
if (!empty($data) && eregi('^[a-z_0-9]+$',$col))
{
$filtermethod .= " AND $col = '$data'";
}
}
}
//echo "<p>filtermethod='$filtermethod'</p>";
if ((int)$query['cat_id'])
{
//$filtermethod .= ' AND info_cat='.intval($query['cat_id']).' ';
if (!is_object($GLOBALS['phpgw']->categories))
{
$GLOBALS['phpgw']->categories = CreateObject('phpgwapi.categories');
}
$cats = $GLOBALS['phpgw']->categories->return_all_children((int)$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->db_addslashes($query['search'])."%'";
$sql_query = "AND (info_from like $pattern OR info_subject LIKE $pattern OR info_des LIKE $pattern OR info_extra_value LIKE $pattern) ";
$join = 'LEFT JOIN phpgw_infolog_extra ON phpgw_infolog.info_id=phpgw_infolog_extra.info_id';
}
$pid = 'AND info_id_parent='.($action == 'sp' ? $query['action_id'] : 0);
if (!$GLOBALS['phpgw_info']['user']['preferences']['infolog']['listNoSubs'] &&
$action != 'sp')
{
$pid = '';
}
$ids = array( );
if ($action == '' || $action == 'sp' || count($links))
{
$sql_query = "FROM phpgw_infolog $join WHERE ($filtermethod $pid $sql_query) $link_extra";
$this->db->query($sql='SELECT DISTINCT phpgw_infolog.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 phpgw_infolog.* $sql_query $ordermethod",$query['start'],__LINE__,__FILE__);
//echo "<p>sql='$sql'</p>\n";
while ($this->db->next_record())
{
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$this->db2data($info);
$ids[$info['info_id']] = $info;
}
}
else
{
$query['start'] = $query['total'] = 0;
}
return $ids;
}
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}