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web-development/zoesch.de/galerie/admin/include/functions_history.inc.php
Felix Zösch 07c290a453 Initial commit: Backup der Webseiten
- zoesch.de
- blitzkiste.net
- gruene-hassberge (norbert.zoesch.de)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2025-12-13 01:17:15 +01:00

486 lines
11 KiB
PHP

<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2016 Piwigo Team http://piwigo.org |
// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
// +-----------------------------------------------------------------------+
// | 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 |
// | |
// | This program is distributed in the hope that it will be useful, but |
// | WITHOUT ANY WARRANTY; without even the implied warranty of |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
// | General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
/**
* @package functions\admin\history
*/
include_once(PHPWG_ROOT_PATH.'admin/include/tabsheet.class.php');
/**
* Init tabsheet for history pages
* @ignore
*/
function history_tabsheet()
{
global $page, $link_start;
// TabSheet
$tabsheet = new tabsheet();
$tabsheet->set_id('history');
$tabsheet->select($page['page']);
$tabsheet->assign();
}
/**
* Callback used to sort history entries
*/
function history_compare($a, $b)
{
return strcmp($a['date'].$a['time'], $b['date'].$b['time']);
}
/**
* Perform history search.
*
* @param array $data - used in trigger_change
* @param array $search
* @param string[] $types
* @param array
*/
function get_history($data, $search, $types)
{
if (isset($search['fields']['filename']))
{
$query = '
SELECT
id
FROM '.IMAGES_TABLE.'
WHERE file LIKE \''.$search['fields']['filename'].'\'
;';
$search['image_ids'] = array_from_query($query, 'id');
}
// echo '<pre>'; print_r($search); echo '</pre>';
$clauses = array();
if (isset($search['fields']['date-after']))
{
$clauses[] = "date >= '".$search['fields']['date-after']."'";
}
if (isset($search['fields']['date-before']))
{
$clauses[] = "date <= '".$search['fields']['date-before']."'";
}
if (isset($search['fields']['types']))
{
$local_clauses = array();
foreach ($types as $type) {
if (in_array($type, $search['fields']['types'])) {
$clause = 'image_type ';
if ($type == 'none')
{
$clause.= 'IS NULL';
}
else
{
$clause.= "= '".$type."'";
}
$local_clauses[] = $clause;
}
}
if (count($local_clauses) > 0)
{
$clauses[] = implode(' OR ', $local_clauses);
}
}
if (isset($search['fields']['user'])
and $search['fields']['user'] != -1)
{
$clauses[] = 'user_id = '.$search['fields']['user'];
}
if (isset($search['fields']['image_id']))
{
$clauses[] = 'image_id = '.$search['fields']['image_id'];
}
if (isset($search['fields']['filename']))
{
if (count($search['image_ids']) == 0)
{
// a clause that is always false
$clauses[] = '1 = 2 ';
}
else
{
$clauses[] = 'image_id IN ('.implode(', ', $search['image_ids']).')';
}
}
if (isset($search['fields']['ip']))
{
$clauses[] = 'IP LIKE "'.$search['fields']['ip'].'"';
}
$clauses = prepend_append_array_items($clauses, '(', ')');
$where_separator =
implode(
"\n AND ",
$clauses
);
$query = '
SELECT
date,
time,
user_id,
IP,
section,
category_id,
tag_ids,
image_id,
image_type
FROM '.HISTORY_TABLE.'
WHERE '.$where_separator.'
;';
// LIMIT '.$conf['nb_logs_page'].' OFFSET '.$page['start'].'
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
$data[] = $row;
}
return $data;
}
/**
* Compute statistics from history table to history_summary table
*
* @param int $max_lines - to only compute the next X lines, not the whole remaining lines
*/
function history_summarize($max_lines=null)
{
// we need to know which was the last line "summarized"
$query = '
SELECT
*
FROM '.HISTORY_SUMMARY_TABLE.'
WHERE history_id_to IS NOT NULL
ORDER BY history_id_to DESC
LIMIT 1
;';
$summary_lines = query2array($query);
$history_min_id = 0;
if (count($summary_lines) > 0)
{
$last_summary = $summary_lines[0];
$history_min_id = $last_summary['history_id_to'];
}
else
{
// if we have no "reference", ie "starting point", we need to find
// one. And "0" is not the right answer here, because history table may
// have been purged already.
$query = '
SELECT
MIN(id) AS min_id
FROM '.HISTORY_TABLE.'
;';
$history_lines = query2array($query);
if (count($history_lines) > 0)
{
$history_min_id = $history_lines[0]['min_id'] - 1;
}
}
$query = '
SELECT
date,
'.pwg_db_get_hour('time').' AS hour,
MIN(id) AS min_id,
MAX(id) AS max_id,
COUNT(*) AS nb_pages
FROM '.HISTORY_TABLE.'
WHERE id > '.$history_min_id;
if (isset($max_lines))
{
$query.= '
AND id <= '.($history_min_id + $max_lines);
}
$query.= '
GROUP BY
date,
hour
ORDER BY
date ASC,
hour ASC
;';
$result = pwg_query($query);
$need_update = array();
$is_first = true;
$first_time_key = null;
while ($row = pwg_db_fetch_assoc($result))
{
$time_keys = array(
substr($row['date'], 0, 4), //yyyy
substr($row['date'], 0, 7), //yyyy-mm
substr($row['date'], 0, 10),//yyyy-mm-dd
sprintf(
'%s-%02u',
$row['date'], $row['hour']
),
);
foreach ($time_keys as $time_key)
{
if (!isset($need_update[$time_key]))
{
$need_update[$time_key] = array(
'nb_pages' => 0,
'history_id_from' => $row['min_id'],
'history_id_to' => $row['max_id'],
);
}
$need_update[$time_key]['nb_pages'] += $row['nb_pages'];
if ($row['min_id'] < $need_update[$time_key]['history_id_from'])
{
$need_update[$time_key]['history_id_from'] = $row['min_id'];
}
if ($row['max_id'] > $need_update[$time_key]['history_id_to'])
{
$need_update[$time_key]['history_id_to'] = $row['max_id'];
}
}
if ($is_first)
{
$is_first = false;
$first_time_key = $time_keys[3];
}
}
// Only the oldest time_key might be already summarized, so we have to
// update the 4 corresponding lines instead of simply inserting them.
//
// For example, if the oldest unsummarized is 2005.08.25.21, the 4 lines
// that can be updated are:
//
// +---------------+----------+
// | id | nb_pages |
// +---------------+----------+
// | 2005 | 241109 |
// | 2005-08 | 20133 |
// | 2005-08-25 | 620 |
// | 2005-08-25-21 | 151 |
// +---------------+----------+
$updates = array();
$inserts = array();
if (isset($first_time_key))
{
list($year, $month, $day, $hour) = explode('-', $first_time_key);
$query = '
SELECT *
FROM '.HISTORY_SUMMARY_TABLE.'
WHERE year='.$year.'
AND ( month IS NULL
OR ( month='.$month.'
AND ( day is NULL
OR (day='.$day.'
AND (hour IS NULL OR hour='.$hour.')
)
)
)
)
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
$key = sprintf('%4u', $row['year']);
if ( isset($row['month']) )
{
$key .= sprintf('-%02u', $row['month']);
if ( isset($row['day']) )
{
$key .= sprintf('-%02u', $row['day']);
if ( isset($row['hour']) )
{
$key .= sprintf('-%02u', $row['hour']);
}
}
}
if (isset($need_update[$key]))
{
$row['nb_pages'] += $need_update[$key]['nb_pages'];
$row['history_id_to'] = $need_update[$key]['history_id_to'];
$updates[] = $row;
unset($need_update[$key]);
}
}
}
foreach ($need_update as $time_key => $summary)
{
$time_tokens = explode('-', $time_key);
$inserts[] = array(
'year' => $time_tokens[0],
'month' => @$time_tokens[1],
'day' => @$time_tokens[2],
'hour' => @$time_tokens[3],
'nb_pages' => $summary['nb_pages'],
'history_id_from' => $summary['history_id_from'],
'history_id_to' => $summary['history_id_to'],
);
}
if (count($updates) > 0)
{
mass_updates(
HISTORY_SUMMARY_TABLE,
array(
'primary' => array('year','month','day','hour'),
'update' => array('nb_pages','history_id_to'),
),
$updates
);
}
if (count($inserts) > 0)
{
mass_inserts(
HISTORY_SUMMARY_TABLE,
array_keys($inserts[0]),
$inserts
);
}
}
/**
* Smart purge on history table. Keep some lines, purge only summarized lines
*
* @since 2.9
*/
function history_autopurge()
{
global $conf, $logger;
if (0 == $conf['history_autopurge_keep_lines'])
{
return;
}
// we want to purge only if there are too many lines and if the lines are summarized
$query = '
SELECT
COUNT(*)
FROM '.HISTORY_TABLE.'
;';
list($count) = pwg_db_fetch_row(pwg_query($query));
if ($count <= $conf['history_autopurge_keep_lines'])
{
return; // no need to purge for now
}
// 1) find the last summarized history line
$query = '
SELECT
*
FROM '.HISTORY_SUMMARY_TABLE.'
WHERE history_id_to IS NOT NULL
ORDER BY history_id_to DESC
LIMIT 1
;';
$summary_lines = query2array($query);
if (count($summary_lines) == 0)
{
return; // lines not summarized, no purge
}
$history_id_last_summarized = $summary_lines[0]['history_id_to'];
// 2) find the latest history line (and substract the number of lines to keep)
$query = '
SELECT
id
FROM '.HISTORY_TABLE.'
ORDER BY id DESC
LIMIT 1
;';
$history_lines = query2array($query);
if (count($history_lines) == 0)
{
return;
}
$history_id_latest = $history_lines[0]['id'];
// 3) find the oldest history line (and add the number of lines to delete)
$query = '
SELECT
id
FROM '.HISTORY_TABLE.'
ORDER BY id ASC
LIMIT 1
;';
$history_lines = query2array($query);
$history_id_oldest = $history_lines[0]['id'];
$search_min = array(
$history_id_last_summarized,
$history_id_latest - $conf['history_autopurge_keep_lines'],
$history_id_oldest + $conf['history_autopurge_blocksize'],
);
$history_id_delete_before = min($search_min);
$logger->debug(__FUNCTION__.', '.join('/', $search_min));
$query = '
DELETE
FROM '.HISTORY_TABLE.'
WHERE id < '.$history_id_delete_before.'
;';
pwg_query($query);
}
add_event_handler('get_history', 'get_history');
trigger_notify('functions_history_included');
?>