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add class to handle history of content inside egw

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This commit is contained in:
Lars Kneschke 2005-02-27 23:29:40 +00:00
parent ffc98ddd1f
commit 0b846885ee
2 changed files with 219 additions and 10 deletions
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208
phpgwapi/inc/class.contenthistory.inc.php Normal file
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@ -0,0 +1,208 @@
<?php
/***************************************************************************\
* eGroupWare - content history class *
* http://www.linux-at-work.de *
* http://www.egroupware.org *
* Written by : Lars Kneschke [lkneschke@linux-at-work.de] *
* ------------------------------------------------- *
* 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. *
\***************************************************************************/
/* $Id$ */
/**
* class to maintain history of content
*
* This class contains all logic of the egw content history.
* @package phpgwapi
* @author Lars Kneschke
* @version 1.35
* @copyright Lars Kneschke 2005
* @license http://opensource.org/licenses/gpl-license.php GPL
*/
class contenthistory
{
#function contenthistory()
#{
#}
/**
* get the timestamp for action
*
* find which content changed since $_ts for application $_appName
*
* @param $_appName string the appname example: infolog_notes
* @param $_action string can be modify, add or delete
* @param $_ts string timestamp where to start searching from
* @return array containing the global UID's
*/
function getHistory($_appName, $_action, $_ts)
{
copyobj($GLOBALS['phpgw']->db,$db);
$query = "select sync_guid from egw_api_content_history where sync_appname = '".$db->db_addslashes($_appName)."' and ";
switch($_action)
{
case 'modify':
$query .= "sync_modified > '".$db->to_timestamp($_ts)."' and sync_modified > sync_deleted";
break;
case 'delete':
$query .= "sync_deleted > '".$db->to_timestamp($_ts)."'";
break;
case 'add':
$query .= "sync_added > '".$db->to_timestamp($_ts)."' and sync_added > sync_deleted";
break;
default:
// no valid $_action set
return array();
break;
}
$db->query($query, __LINE__, __FILE__);
if($db->num_rows() > 0)
{
while($db->next_record())
{
$guidList[] = $db->f('sync_guid');
}
return $guidList;
}
else
{
return array();
}
}
/**
* when got a entry last added/modified/deleted
*
* @param $_guid string the global uid of the entry
* @param $_action string can be add, delete or modify
* @return string the last timestamp
*/
function getTSforAction($_guid, $_action)
{
copyobj($GLOBALS['phpgw']->db,$db);
$where = array (
'sync_guid' => $_guid,
);
$db->select('egw_api_content_history',array('sync_added','sync_modified','sync_deleted'),$where,__LINE__,__FILE__);
if($db->num_rows() > 0)
{
$db->next_record();
switch($_action)
{
case 'add':
return $db->from_timestamp($db->f('sync_added'));
break;
case 'delete':
return $db->from_timestamp($db->f('sync_deleted'));
break;
case 'modify':
return $db->from_timestamp($db->f('sync_modified'));
break;
default:
return false;
}
}
return false;
}
/**
* update a timestamp for action
*
* @param $_appName string the appname example: infolog_notes
* @param $_id int the app internal content id
* @param $_action string can be modify, add or delete
* @param $_ts string timestamp where to start searching from
* @return boolean returns allways true
*/
function updateTimeStamp($_appName, $_id, $_action, $_ts)
{
copyobj($GLOBALS['phpgw']->db,$db);
$_ts = $db->to_timestamp($_ts);
switch($_action)
{
case 'add':
$newData = array (
'sync_appname' => $_appName,
'sync_contentid' => $_id,
'sync_added' => $_ts,
'sync_guid' => $GLOBALS['phpgw']->common->generate_uid($_appName, $_id),
'sync_changedby' => $GLOBALS['phpgw_info']['user']['account_id'],
);
$db->insert('egw_api_content_history',$newData,array(),__LINE__,__FILE__);
break;
case 'modify':
$where = array (
'sync_appname' => $_appName,
'sync_contentid' => $_id,
);
// first check that this entry got ever added to database already
$db->select('egw_api_content_history','sync_contentid',$where,__LINE__,__FILE__);
if($db->num_rows() == 0)
{
$newData = array (
'sync_appname' => $_appName,
'sync_contentid' => $_id,
'sync_added' => $_ts,
'sync_guid' => $GLOBALS['phpgw']->common->generate_uid($_appName, $_id),
);
$db->insert('egw_api_content_history',$newData,array(),__LINE__,__FILE__);
}
// now update the time stamp
$newData = array (
'sync_appname' => $_appName,
'sync_contentid' => $_id,
'sync_modified' => $_ts,
'sync_changedby' => $GLOBALS['phpgw_info']['user']['account_id'],
);
$db->update('egw_api_content_history', $newData, $where,__LINE__,__FILE__);
break;
case 'delete':
$where = array (
'sync_appname' => $_appName,
'sync_contentid' => $_id,
);
// first check that this entry got ever added to database already
$db->select('egw_api_content_history','sync_contentid',$where,__LINE__,__FILE__);
if($db->num_rows() == 0)
{
$newData = array (
'sync_appname' => $_appName,
'sync_contentid' => $_id,
'sync_added' => $_ts,
'sync_guid' => $GLOBALS['phpgw']->common->generate_uid($_appName, $_id),
);
$db->insert('egw_api_content_history',$newData,array(),__LINE__,__FILE__);
}
// now update the time stamp
$newData = array (
'sync_appname' => $_appName,
'sync_contentid' => $_id,
'sync_deleted' => $_ts,
'sync_changedby' => $GLOBALS['phpgw_info']['user']['account_id'],
);
$db->update('egw_api_content_history', $newData, $where,__LINE__,__FILE__);
break;
}
return true;
}
}
?>

21
phpgwapi/inc/functions.inc.php
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@ -230,16 +230,17 @@
/************************************************************************\
* Required classes *
\************************************************************************/
$GLOBALS['phpgw']->log = CreateObject('phpgwapi.errorlog');
$GLOBALS['phpgw']->translation = CreateObject('phpgwapi.translation');
$GLOBALS['phpgw']->common = CreateObject('phpgwapi.common');
$GLOBALS['phpgw']->hooks = CreateObject('phpgwapi.hooks');
$GLOBALS['phpgw']->auth = CreateObject('phpgwapi.auth');
$GLOBALS['phpgw']->accounts = CreateObject('phpgwapi.accounts');
$GLOBALS['phpgw']->acl = CreateObject('phpgwapi.acl');
$GLOBALS['phpgw']->session = CreateObject('phpgwapi.sessions',$domain_names);
$GLOBALS['phpgw']->preferences = CreateObject('phpgwapi.preferences');
$GLOBALS['phpgw']->applications = CreateObject('phpgwapi.applications');
$GLOBALS['phpgw']->log = CreateObject('phpgwapi.errorlog');
$GLOBALS['phpgw']->translation = CreateObject('phpgwapi.translation');
$GLOBALS['phpgw']->common = CreateObject('phpgwapi.common');
$GLOBALS['phpgw']->hooks = CreateObject('phpgwapi.hooks');
$GLOBALS['phpgw']->auth = CreateObject('phpgwapi.auth');
$GLOBALS['phpgw']->accounts = CreateObject('phpgwapi.accounts');
$GLOBALS['phpgw']->acl = CreateObject('phpgwapi.acl');
$GLOBALS['phpgw']->session = CreateObject('phpgwapi.sessions',$domain_names);
$GLOBALS['phpgw']->preferences = CreateObject('phpgwapi.preferences');
$GLOBALS['phpgw']->applications = CreateObject('phpgwapi.applications');
$GLOBALS['phpgw']->contenthistory = CreateObject('phpgwapi.contenthistory');
print_debug('main class loaded', 'messageonly','api');
if (! isset($GLOBALS['phpgw_info']['flags']['included_classes']['error']) ||
! $GLOBALS['phpgw_info']['flags']['included_classes']['error'])