forked from extern/egroupware
289 lines
8.7 KiB
PHP
289 lines
8.7 KiB
PHP
<?php
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/**
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* EGroupware API - Storage history logging
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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 storage
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* @access public
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* @version $Id$
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*/
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namespace EGroupware\Api\Storage;
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use EGroupware\Api;
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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 History
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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 Api\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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var $user;
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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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/**
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* Constructor
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*
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* @param string $appname app name this instance operates on
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* @return historylog
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*/
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function __construct($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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}
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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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'sessionid' => $GLOBALS['egw']->session->sessionid_access_log,
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),false,__LINE__,__FILE__);
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}
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}
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/**
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* Static function to add a history record
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*/
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public static function static_add($appname, $id, $user, $field_code, $new_value, $old_value = '')
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{
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if ($new_value != $old_value)
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{
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$GLOBALS['egw']->db->insert(self::TABLE,array(
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'history_record_id' => $id,
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'history_appname' => $appname,
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'history_owner' => (int)$user,
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'history_status' => $field_code,
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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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'sessionid' => $GLOBALS['egw']->session->sessionid_access_log,
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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 ='DESC'
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* @param int $limit =null only return this many entries
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* @return array of arrays with keys id, record_id, appname, owner (account_id), status, new_value, old_value,
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* timestamp (Y-m-d H:i:s in servertime), user_ts (timestamp in user-time)
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*/
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function search($filter,$order='history_id',$sort='DESC',$limit=null)
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{
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if (!is_array($filter)) $filter = is_numeric($filter) ? array('history_record_id' => $filter) : array();
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if (!$order || !preg_match('/^[a-z0-9_]+$/i',$order) || !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 $order $sort";
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}
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foreach($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'] = $this->appname;
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// do not try to read all history entries of an app
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if (!$filter['history_record_id']) return array();
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$rows = array();
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foreach($this->db->select(self::TABLE, '*', $filter, __LINE__, __FILE__,
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isset($limit) ? 0 : false, $orderby, 'phpgwapi', $limit) 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[] = Api\Db::strip_array_keys($row,'history_');
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}
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return $rows;
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}
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/**
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* Get a slice of history records
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*
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* Similar to search(), except this one can take a start and a number of records
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*
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* @see Base::get_rows()
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*/
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public static function get_rows(&$query, &$rows)
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{
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$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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// filter out private (or no longer defined) custom fields
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if ($filter['history_appname'])
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{
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$to_or[] = "history_status NOT LIKE '#%'";
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// explicitly allow "##" used to store iCal/vCard X-attributes
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if (in_array($filter['history_appname'], array('calendar','infolog','addressbook')))
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{
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$to_or[] = "history_status LIKE '##%'";
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}
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if (($cfs = Customfields::get($filter['history_appname'])))
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{
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$to_or[] = 'history_status IN ('.implode(',', array_map(function($str)
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{
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return $GLOBALS['egw']->db->quote('#'.$str);
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}, array_keys($cfs))).')';
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}
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$filter[] = '('.implode(' OR ', $to_or).')';
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}
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$_query = array(array(
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'table' => self::TABLE,
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'cols' => array('history_id', 'history_record_id','history_appname','history_owner','history_status','history_new_value', 'history_timestamp','history_old_value'),
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'where' => $filter,
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));
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// Add in files, if possible
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if($GLOBALS['egw_info']['user']['apps']['filemanager'] &&
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$file = Api\Vfs\Sqlfs\StreamWrapper::url_stat("/apps/{$query['appname']}/{$query['record_id']}",STREAM_URL_STAT_LINK))
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{
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$_query[] = array(
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'table' => Api\Vfs\Sqlfs\StreamWrapper::TABLE,
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'cols' =>array('fs_id', 'fs_dir', "'filemanager'",'COALESCE(fs_modifier,fs_creator)',"'~file~'",'fs_name','fs_modified', 'fs_mime'),
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'where' => array('fs_dir' => $file['ino'])
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);
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}
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$new_file_id = array();
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foreach($GLOBALS['egw']->db->union(
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$_query,
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__LINE__, __FILE__,
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' ORDER BY ' . ($query['order'] ? $query['order'] : 'history_timestamp') . ' ' . ($query['sort'] ? $query['sort'] : 'DESC'),
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$query['start'],
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$query['num_rows']
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) as $row)
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{
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$row['user_ts'] = $GLOBALS['egw']->db->from_timestamp($row['history_timestamp']) + 3600 * $GLOBALS['egw_info']['user']['preferences']['common']['tz_offset'];
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// Explode multi-part values
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foreach(array('history_new_value','history_old_value') as $field)
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{
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if(strpos($row[$field],Tracking::ONE2N_SEPERATOR) !== false)
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{
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$row[$field] = explode(Tracking::ONE2N_SEPERATOR,$row[$field]);
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}
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}
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// Get information needed for proper display
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if($row['history_appname'] == 'filemanager')
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{
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$new_version = $new_file_id[$row['history_new_value']];
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$new_file_id[$row['history_new_value']] = count($rows);
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$path = Api\Vfs\Sqlfs\StreamWrapper::id2path($row['history_id']);
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// Apparently we don't have to do anything with it, just ask...
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// without this, previous versions are not handled properly
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Api\Vfs::getExtraInfo($path);
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$row['history_new_value'] = array(
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'path' => $path,
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'name' => Api\Vfs::basename($path),
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'mime' => $row['history_old_value']
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);
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$row['history_old_value'] = '';
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if($new_version !== null)
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{
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$rows[$new_version]['old_value'] = $row['history_new_value'];
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}
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}
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$rows[] = Api\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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