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