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friendica-addons/phototrack/phototrack.php
Matthew Exon 235fa49d50 maybe this way works better
2023-05-07 12:39:44 +02:00

270 lines
10 KiB
PHP
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<?php
/**
* Name: Photo Track
* Description: Track which photos are actually being used and delete any others
* Version: 1.0
* Author: Matthew Exon <http://mat.exon.name>
*/
/*
* List of tables and the fields that are checked:
*
* contact: photo thumb micro about
* fcontact: photo
* fsuggest: photo
* gcontact: photo about
* item: body
* item-content: body
* mail: from-photo
* notify: photo
* profile: photo thumb about
*/
use Friendica\Core\Addon;
use Friendica\Core\Config;
use Friendica\Core\Logger;
use Friendica\Object\Image;
use Friendica\Database\DBA;
use Friendica\DI;
if (!defined('PHOTOTRACK_DEFAULT_BATCH_SIZE')) {
define('PHOTOTRACK_DEFAULT_BATCH_SIZE', 1000);
}
// Time in *minutes* between searching for photo uses
if (!defined('PHOTOTRACK_DEFAULT_SEARCH_INTERVAL')) {
define('PHOTOTRACK_DEFAULT_SEARCH_INTERVAL', 10);
}
function phototrack_install() {
global $db;
Addon::registerHook('post_local_end', 'addon/phototrack/phototrack.php', 'phototrack_post_local_end');
Addon::registerHook('post_remote_end', 'addon/phototrack/phototrack.php', 'phototrack_post_remote_end');
Addon::registerHook('notifier_end', 'addon/phototrack/phototrack.php', 'phototrack_notifier_end');
Addon::registerHook('cron', 'addon/phototrack/phototrack.php', 'phototrack_cron');
if (Config::get('phototrack', 'dbversion') != '0.1') {
$schema = file_get_contents(dirname(__file__).'/database.sql');
$arr = explode(';', $schema);
foreach ($arr as $a) {
if (!DBA::e($a)) {
Logger::warning('Unable to create database table: ' . DBA::errorMessage());
return;
}
}
Config::set('phototrack', 'dbversion', '0.1');
}
}
function phototrack_uninstall() {
Addon::unregisterHook('post_local_end', 'addon/phototrack/phototrack.php', 'phototrack_post_local_end');
Addon::unregisterHook('post_remote_end', 'addon/phototrack/phototrack.php', 'phototrack_post_remote_end');
Addon::unregisterHook('notifier_end', 'addon/phototrack/phototrack.php', 'phototrack_notifier_end');
Addon::unregisterHook('cron', 'addon/phototrack/phototrack.php', 'phototrack_cron');
}
function phototrack_module() {}
function phototrack_finished_row($table, $id) {
$existing = DBA::selectFirst('phototrack_row_check', ['id'], ['table' => $table, 'row-id' => $id]);
if (!is_bool($existing)) {
q("UPDATE phototrack_row_check SET checked = NOW() WHERE `table` = '$table' AND `row-id` = '$id'");
}
else {
q("INSERT INTO phototrack_row_check (`table`, `row-id`, `checked`) VALUES ('$table', '$id', NOW())");
}
}
function phototrack_photo_use($photo, $table, $field, $id) {
Logger::debug('@@@ phototrack_photo_use ' . $photo);
foreach (Image::supportedTypes() as $m => $e) {
$photo = str_replace(".$e", '', $photo);
}
if (substr($photo, -2, 1) == '-') {
$resolution = intval(substr($photo,-1,1));
$photo = substr($photo,0,-2);
}
if (strlen($photo) != 32) {
return;
}
$r = q("SELECT `resource-id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1", DBA::escape($photo));
if (!count($r)) {
return;
}
$rid = $r[0]['resource-id'];
$existing = q("SELECT id FROM phototrack_photo_use WHERE `resource-id` = '$rid' AND `table` = '$table' AND `field` = '$field' AND `row-id` = '$id'");
if (count($existing)) {
q("UPDATE phototrack_photo_use SET checked = NOW() WHERE `resource-id` = '$rid' AND `table` = '$table' AND `field` = '$field' AND `row-id` = '$id'");
}
else {
q("INSERT INTO phototrack_photo_use (`resource-id`, `table`, `field`, `row-id`, `checked`) VALUES ('$rid', '$table', '$field', '$id', NOW())");
}
}
function phototrack_check_field_url($a, $table, $field, $id, $url) {
Logger::info('@@@ phototrack_check_field_url table ' . $table . ' field ' . $field . ' id ' . $id . ' url ' . $url);
$baseurl = DI::baseUrl()->get(true);
if (strpos($url, $baseurl) === FALSE) {
return;
}
else {
$url = substr($url, strlen($baseurl));
Logger::info('@@@ phototrack_check_field_url funny url stuff ' . $url . ' base ' . $baseurl);
}
if (strpos($url, '/photo/') === FALSE) {
return;
}
else {
$url = substr($url, strlen('/photo/'));
Logger::info('@@@ phototrack_check_field_url more url stuff ' . $url);
}
if (preg_match('/([0-9a-z]{32})/', $url, $matches)) {
$rid = $matches[0];
Logger::info('@@@ phototrack_check_field_url rid ' . $rid);
phototrack_photo_use($rid, $table, $field, $id);
}
}
function phototrack_check_field_bbcode($a, $table, $field, $id, $value) {
$baseurl = DI::baseUrl()->get(true);
$matches = array();
preg_match_all("/\[img(\=([0-9]*)x([0-9]*))?\](.*?)\[\/img\]/ism", $value, $matches);
foreach ($matches[4] as $url) {
phototrack_check_field_url($a, $table, $field, $id, $url);
}
}
function phototrack_post_local_end(&$a, &$item) {
phototrack_check_row($a, 'item', $item);
phototrack_check_row($a, 'item-content', $item);
}
function phototrack_post_remote_end(&$a, &$item) {
phototrack_check_row($a, 'item', $item);
phototrack_check_row($a, 'item-content', $item);
}
function phototrack_notifier_end($item) {
$a = get_app();
}
function phototrack_check_row($a, $table, $row) {
switch ($table) {
case 'item':
$fields = array(
'body' => 'bbcode');
break;
case 'item-content':
$fields = array(
'body' => 'bbcode');
break;
case 'contact':
$fields = array(
'photo' => 'url',
'thumb' => 'url',
'micro' => 'url',
'about' => 'bbcode');
break;
case 'fcontact':
$fields = array(
'photo' => 'url');
break;
case 'fsuggest':
$fields = array(
'photo' => 'url');
break;
case 'gcontact':
$fields = array(
'photo' => 'url',
'about' => 'bbcode');
break;
default: $fields = array(); break;
}
foreach ($fields as $field => $type) {
switch ($type) {
case 'bbcode': phototrack_check_field_bbcode($a, $table, $field, $row['id'], $row[$field]); break;
case 'url': phototrack_check_field_url($a, $table, $field, $row['id'], $row[$field]); break;
}
}
phototrack_finished_row($table, $row['id']);
}
function phototrack_batch_size() {
$batch_size = Config::get('phototrack', 'batch_size');
if ($batch_size > 0) {
return $batch_size;
}
return PHOTOTRACK_DEFAULT_BATCH_SIZE;
}
function phototrack_search_table($a, $table) {
$batch_size = phototrack_batch_size();
$rows = q("SELECT `$table`.* FROM `$table` LEFT OUTER JOIN phototrack_row_check ON ( phototrack_row_check.`table` = '$table' AND phototrack_row_check.`row-id` = `$table`.id ) WHERE ( ( phototrack_row_check.checked IS NULL ) OR ( phototrack_row_check.checked < DATE_SUB(NOW(), INTERVAL 1 MONTH) ) ) ORDER BY phototrack_row_check.checked LIMIT $batch_size");
foreach ($rows as $row) {
phototrack_check_row($a, $table, $row);
}
$r = q("SELECT COUNT(*) FROM `$table` LEFT OUTER JOIN phototrack_row_check ON ( phototrack_row_check.`table` = '$table' AND phototrack_row_check.`row-id` = `$table`.id ) WHERE ( ( phototrack_row_check.checked IS NULL ) OR ( phototrack_row_check.checked < DATE_SUB(NOW(), INTERVAL 1 MONTH) ) )");
$remaining = $r[0]['COUNT(*)'];
Logger::info('phototrack: searched ' . count($rows) . ' rows in table ' . $table . ', ' . $remaining . ' still remaining to search');
return $remaining;
}
function phototrack_cron_time() {
$prev_remaining = Config::get('phototrack', 'remaining_items');
if ($prev_remaining > 10 * phototrack_batch_size()) {
Logger::debug('phototrack: more than ' . (10 * phototrack_batch_size()) . ' items remaining');
return true;
}
$last = Config::get('phototrack', 'last_search');
$search_interval = intval(Config::get('phototrack', 'search_interval'));
if (!$search_interval) {
$search_interval = PHOTOTRACK_DEFAULT_SEARCH_INTERVAL;
}
if ($last) {
$next = $last + ($search_interval * 60);
if ($next > time()) {
Logger::debug('phototrack: search interval not reached');
return false;
}
}
return true;
}
function phototrack_cron($a, $b) {
if (!phototrack_cron_time()) {
return;
}
Config::set('phototrack', 'last_search', time());
$remaining = 0;
$remaining += phototrack_search_table($a, 'item');
$remaining += phototrack_search_table($a, 'item-content');
$remaining += phototrack_search_table($a, 'contact');
$remaining += phototrack_search_table($a, 'fcontact');
$remaining += phototrack_search_table($a, 'fsuggest');
$remaining += phototrack_search_table($a, 'gcontact');
Config::set('phototrack', 'remaining_items', $remaining);
if ($remaining === 0) {
phototrack_tidy();
}
}
function phototrack_tidy() {
$batch_size = phototrack_batch_size();
q('CREATE TABLE IF NOT EXISTS `phototrack-temp` (`resource-id` char(255) not null)');
q('INSERT INTO `phototrack-temp` SELECT DISTINCT(`resource-id`) FROM photo WHERE photo.`created` < DATE_SUB(NOW(), INTERVAL 2 MONTH)');
$rows = q('SELECT `phototrack-temp`.`resource-id` FROM `phototrack-temp` LEFT OUTER JOIN phototrack_photo_use ON (`phototrack-temp`.`resource-id` = phototrack_photo_use.`resource-id`) WHERE phototrack_photo_use.id IS NULL limit ' . /*$batch_size*/1000);
foreach ($rows as $row) {
Logger::debug('phototrack: remove photo ' . $row['resource-id']);
q('DELETE FROM photo WHERE `resource-id` = "' . $row['resource-id'] . '"');
}
q('DROP TABLE `phototrack-temp`');
Logger::info('phototrack_tidy: deleted ' . count($rows) . ' photos');
$rows = q('SELECT id FROM phototrack_photo_use WHERE checked < DATE_SUB(NOW(), INTERVAL 14 DAY)');
foreach ($rows as $row) {
q('DELETE FROM phototrack_photo_use WHERE id = ' . $row['id']);
}
Logger::info('phototrack_tidy: deleted ' . count($rows) . ' phototrack_photo_use rows');
}
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