mirror of
https://github.com/EGroupware/egroupware.git
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340 lines
11 KiB
PHP
340 lines
11 KiB
PHP
<?php
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/**
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* API - Record history logging
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*
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* This class extends a backend class (at them moment SQL or LDAP) and implements some
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* caching on to top of the backend functions. The cache is share for all instances of
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* the accounts class and for LDAP it is persistent through the whole session, for SQL
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* it's only on a per request basis.
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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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* @copyright 2001 by Joseph Engo <jengo@phpgroupware.org>
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de> new DB-methods and search
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package api
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* @subpackage db
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* @access public
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* @version $Id$
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*/
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/**
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* Record history logging service
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*
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* This class need to be instanciated for EACH app, which wishes to use it!
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*/
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class historylog
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{
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/**
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* Reference to the global db object
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*
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* @var egw_db
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*/
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var $db;
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const TABLE = 'egw_history_log';
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/**
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* App.name this class is instanciated for / working on
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*
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* @var string
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*/
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var $appname;
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/**
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* offset in secconds between user and server-time,
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* it need to be add to a server-time to get the user-time or substracted from a user-time to get the server-time
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*
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* @var int
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*/
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var $tz_offset_s;
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var $user;
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var $template;
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var $nextmatchs;
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var $types = array(
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'C' => 'Created',
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'D' => 'Deleted',
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'E' => 'Edited'
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);
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var $alternate_handlers = array();
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/**
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* Constructor
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*
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* @param string $appname app name this instance operates on
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* @return historylog
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*/
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function historylog($appname='',$user=null)
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{
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$this->appname = $appname ? $appname : $GLOBALS['egw_info']['flags']['currentapp'];
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$this->user = !is_null($user) ? $user : $GLOBALS['egw_info']['user']['account_id'];
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if (is_object($GLOBALS['egw_setup']->db))
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{
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$this->db = $GLOBALS['egw_setup']->db;
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}
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else
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{
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$this->db = $GLOBALS['egw']->db;
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}
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$this->tz_offset_s = $GLOBALS['egw']->datetime->tz_offset;
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}
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/**
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* Delete the history-log of one or multiple records of $this->appname
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*
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* @param int/array $record_id one or more id's of $this->appname, or null to delete ALL records of $this->appname
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* @return int number of deleted records/rows (0 is not necessaryly an error, it can just mean there's no record!)
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*/
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function delete($record_id)
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{
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$where = array('history_appname' => $this->appname);
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if (is_array($record_id) || is_numeric($record_id))
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{
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$where['history_record_id'] = $record_id;
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}
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$this->db->delete(self::TABLE,$where,__LINE__,__FILE__);
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return $this->db->affected_rows();
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}
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/**
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* Add a history record, if $new_value != $old_value
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*
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* @param string $status 2 letter code: eg. $this->types: C=Created, D=Deleted, E=Edited
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* @param int $record_id it of the record in $this->appname (set by the constructor)
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* @param string $new_value new value
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* @param string $old_value old value
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*/
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function add($status,$record_id,$new_value,$old_value)
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{
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if ($new_value != $old_value)
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{
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$this->db->insert(self::TABLE,array(
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'history_record_id' => $record_id,
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'history_appname' => $this->appname,
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'history_owner' => $this->user,
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'history_status' => $status,
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'history_new_value' => $new_value,
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'history_old_value' => $old_value,
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'history_timestamp' => time(),
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),false,__LINE__,__FILE__);
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}
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}
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/**
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* Search history-log
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*
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* @param array/int $filter array with filters, or int record_id
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* @param string $order='history_id' sorting after history_id is identical to history_timestamp
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* @param string $sort='ASC'
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* @return array of arrays with keys id, record_id, appname, owner (account_id), status, new_value, old_value,
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* timestamp (Y-m-d H:i:s in servertime), user_ts (timestamp in user-time)
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*/
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function search($filter,$order='history_id',$sort='DESC')
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{
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if (!is_array($filter)) $filter = (int)$filter ? array('history_record_id' => $filter) : array();
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if (!$_orderby || !preg_match('/^[a-z0-9_]+$/i',$_orderby) || !preg_match('/^(asc|desc)?$/i',$sort))
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{
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$orderby = 'ORDER BY history_id DESC';
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}
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else
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{
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$orderby = "ORDER BY $_orderby $sort";
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}
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foreach($filter as $col => $value)
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{
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if (!is_numeric($col) && substr($col,0,8) != 'history_')
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{
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$filter['history_'.$col] = $value;
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unset($filter[$col]);
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}
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}
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if (!isset($filter['history_appname'])) $filter['history_appname'] = $this->appname;
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$rows = array();
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foreach($this->db->select(self::TABLE,'*',$filter,__LINE__,__FILE__,false,$orderby) as $row)
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{
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$row['user_ts'] = $this->db->from_timestamp($row['history_timestamp']) + 3600 * $GLOBALS['egw_info']['user']['preferences']['common']['tz_offset'];
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$rows[] = egw_db::strip_array_keys($row,'history_');
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}
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return $rows;
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}
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/**
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* Get a slice of history records
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*
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* Similar to search(), except this one can take a start and a number of records
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*/
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public static function get_rows(&$query, &$rows) {
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$filter = array();
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$rows = array();
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$filter['history_appname'] = $query['appname'];
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$filter['history_record_id'] = $query['record_id'];
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if(is_array($query['colfilter'])) {
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foreach($query['colfilter'] as $column => $value) {
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$filter[$column] = $value;
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}
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}
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if ($GLOBALS['egw']->db->Type == 'mysql' && $GLOBALS['egw']->db->ServerInfo['version'] >= 4.0)
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{
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$mysql_calc_rows = 'SQL_CALC_FOUND_ROWS ';
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}
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else
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{
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$total = $GLOBALS['egw']->db->select(self::TABLE,'COUNT(*)',$filter,__LINE__,__FILE__,false,'','phpgwapi',0)->fetchColumn();
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}
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foreach($GLOBALS['egw']->db->select(
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self::TABLE,
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$mysql_calc_rows.'*',
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$filter,
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__LINE__, __FILE__,
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$query['start'],
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'ORDER BY ' . ($query['order'] ? $query['order'] : 'history_id') . ' ' . ($query['sort'] ? $query['sort'] : 'DESC'),
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'phpgwapi',
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$query['num_rows']
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) as $row) {
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$row['user_ts'] = $GLOBALS['egw']->db->from_timestamp($row['history_timestamp']) + 3600 * $GLOBALS['egw_info']['user']['preferences']['common']['tz_offset'];
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$rows[] = egw_db::strip_array_keys($row,'history_');
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}
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if ($mysql_calc_rows)
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{
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$total = $GLOBALS['egw']->db->query('SELECT FOUND_ROWS()')->fetchColumn();
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}
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return $total;
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}
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/**
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* return history-log for one record of $this->appname
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*
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* @deprecated use search
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* @param array $filter_out stati to NOT show
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* @param array $only_show stati to show
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* @param string $_orderby column name to order, default history_timestamp,history_id
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* @param string $sort ASC,DESC
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* @param int $record_id id of the record in $this->appname (set by the constructor)
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* @return array of arrays with keys id, record_id, owner (account_lid!), status, new_value, old_value, datetime (timestamp in servertime)
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*/
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function return_array($filter_out,$only_show,$_orderby,$sort, $record_id)
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{
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if (!$_orderby || !preg_match('/^[a-z0-9_]+$/i',$_orderby) || !preg_match('/^(asc|desc)?$/i',$sort))
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{
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$orderby = 'ORDER BY history_timestamp,history_id';
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}
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else
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{
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$orderby = "ORDER BY $_orderby $sort";
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}
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$where = array(
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'history_appname' => $this->appname,
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'history_record_id' => $record_id,
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);
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if (is_array($filter_out))
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{
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foreach($filter_out as $_filter)
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{
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$where[] = 'history_status != '.$this->db->quote($_filter);
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}
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}
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if (is_array($only_show) && count($only_show))
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{
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$to_or = array();
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foreach($only_show as $_filter)
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{
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$to_or[] = 'history_status = '.$this->db->quote($_filter);
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}
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$where[] = '('.implode(' OR ',$to_or).')';
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}
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foreach($this->db->select(self::TABLE,'*',$where,__LINE__,__FILE__,false,$orderby) as $row)
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{
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$return_values[] = array(
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'id' => $row['history_id'],
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'record_id' => $row['history_record_id'],
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'owner' => $row['history_owner'] ? $GLOBALS['egw']->accounts->id2name($row['history_owner']) : lang('eGroupWare'),
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'status' => str_replace(' ','',$row['history_status']),
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'new_value' => $row['history_new_value'],
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'old_value' => $row['history_old_value'],
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'datetime' => $this->db->from_timestamp($row['history_timestamp']),
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);
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}
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return $return_values;
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}
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/**
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* Creates html to show the history-log of one record
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*
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* @deprecated use eg. the historylog_widget of eTemplate or your own UI
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* @param array $filter_out see stati to NOT show
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* @param string $orderby column-name to order by
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* @param string $sort ASC, DESC
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* @param int $record_id id of the record in $this->appname (set by the constructor)
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* @return string the html
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*/
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function return_html($filter_out,$orderby,$sort, $record_id)
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{
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$this->template =& CreateObject('phpgwapi.Template',EGW_TEMPLATE_DIR);
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$this->nextmatchs =& CreateObject('phpgwapi.nextmatchs');
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$this->template->set_file('_history','history_list.tpl');
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$this->template->set_block('_history','row_no_history');
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$this->template->set_block('_history','list');
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$this->template->set_block('_history','row');
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$this->template->set_var('lang_user',lang('User'));
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$this->template->set_var('lang_date',lang('Date'));
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$this->template->set_var('lang_action',lang('Action'));
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$this->template->set_var('lang_new_value',lang('New Value'));
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$this->template->set_var('th_bg',$GLOBALS['egw_info']['theme']['th_bg']);
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$this->template->set_var('sort_date',lang('Date'));
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$this->template->set_var('sort_owner',lang('User'));
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$this->template->set_var('sort_status',lang('Status'));
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$this->template->set_var('sort_new_value',lang('New value'));
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$this->template->set_var('sort_old_value',lang('Old value'));
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$values = $this->return_array($filter_out,array(),$orderby,$sort,$record_id);
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if (!is_array($values))
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{
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$this->template->set_var('tr_color',$GLOBALS['egw_info']['theme']['row_off']);
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$this->template->set_var('lang_no_history',lang('No history for this record'));
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$this->template->fp('rows','row_no_history');
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return $this->template->fp('out','list');
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}
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foreach($values as $value)
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{
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$this->nextmatchs->template_alternate_row_color($this->template);
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$this->template->set_var('row_date',$GLOBALS['egw']->common->show_date($value['datetime']));
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$this->template->set_var('row_owner',$value['owner']);
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if ($this->alternate_handlers[$value['status']])
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{
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eval('\$s = ' . $this->alternate_handlers[$value['status']] . '(' . $value['new_value'] . ');');
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$this->template->set_var('row_new_value',$s);
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unset($s);
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eval('\$s = ' . $this->alternate_handlers[$value['status']] . '(' . $value['old_value'] . ');');
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$this->template->set_var('row_old_value',$s);
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unset($s);
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}
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else
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{
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$this->template->set_var('row_new_value',$value['new_value']);
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$this->template->set_var('row_old_value',$value['old_value']);
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}
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$this->template->set_var('row_status',$this->types[$value['status']]);
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$this->template->fp('rows','row',True);
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}
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return $this->template->fp('out','list');
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}
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}
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