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<?php
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global $baseurl,$watched_searches_url;
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$watched_searches_url = $baseurl . '/plugins/rse_search_notifications/pages/watched_searches.php';
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function search_notifications_get(&$results, $user="",$enabled_only=true,$search="",$orderby=1,$orderbydirection="DESC")
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{
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$query = "";
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$parameters = array();
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if ($user != "")
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{
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$query .= "WHERE `owner` = ?";
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$parameters = array_merge($parameters, array("i", $user));
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}
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if ($enabled_only)
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{
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if ($user == "")
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{
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$query .= "WHERE enabled = 1";
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}
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else
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{
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$query .= " AND enabled = 1";
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}
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}
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if ($search != "")
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{
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$query .= " AND (title LIKE ? OR u.username LIKE ?)";
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$parameters = array_merge($parameters, array("s", '%' . $search . '%', "s", '%' . $search . '%'));
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}
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if (!is_numeric($orderby))
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{
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$orderby = 1;
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}
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if (!in_array(strtoupper($orderbydirection), array("ASC", "DESC")))
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{
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$orderbydirection = "DESC";
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}
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$results=ps_query("SELECT s.ref, s.created, s.`owner`, s.title, s.search, s.restypes, s.archive, s.enabled, s.`checksum`, s.checksum_when, s.checksum_matches, s.checksum_data, s.checksum_data_previous, u.username FROM search_saved s JOIN `user` u ON s.`owner` = u.ref "
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. $query . " ORDER BY '{$orderby}' '{$orderbydirection}'", $parameters);
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return count($results) > 0;
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}
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function search_notification_add($search,$restypes,$archive)
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{
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global $userref;
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if (ps_value("SELECT COUNT(*) AS value FROM search_saved WHERE owner = ? AND search = ? AND restypes = ?", array("i", $userref, "s", $search, "s", $restypes), 0) != 0)
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{
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return; // we do not want dupes or empty searches
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}
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if ($archive=="")
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{
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$archive=0;
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}
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$restypes_names = ps_query("SELECT name FROM resource_type WHERE ref IN (" .
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ps_param_insert(count(explode(",", $restypes))) . ")", ps_param_fill(explode(",", $restypes), "i"), "");
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// Because search can contain direct node IDs searches like @@257
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// We resolve them back into node names
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$rebuilt_search = $search;
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$node_bucket = array();
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$node_bucket_not = array();
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$searched_nodes = resolve_given_nodes($rebuilt_search, $node_bucket, $node_bucket_not);
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foreach($node_bucket as $searched_nodes)
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{
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$searched_node_data = array();
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foreach($searched_nodes as $searched_node)
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{
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if(!get_node($searched_node, $searched_node_data))
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{
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continue;
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}
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$rebuilt_search .= rebuild_specific_field_search_from_node($searched_node_data);
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}
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}
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$rebuilt_search = str_replace('"', '', $rebuilt_search);
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$title = '"' . $rebuilt_search . '"';
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$title .= ($restypes_names == "") ? "" : " (" . implode(',', array_map('i18n_get_translated',array_column($restypes_names, 'name'))) . ")";
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$title = mb_strcut($title,0,500);
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ps_query("INSERT INTO search_saved(created,owner,title,search,restypes,archive,enabled) VALUES (
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NOW(), ?, ?, ?, ? ,?, 1)", array("i", $userref, "s", $title, "s", $search, "s", $restypes, "s", $archive));
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search_notification_process($userref,sql_insert_id());
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}
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function search_notification_delete($ref,$force=false)
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{
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if ($force)
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{
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ps_query("DELETE FROM search_saved WHERE ref = ?", array("i", $ref));
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}
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else
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{
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global $userref;
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ps_query("DELETE FROM search_saved WHERE ref = ? AND owner = ?", array("i", $ref, "i", $userref));
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}
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}
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function search_notification_enable($ref,$force=false)
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{
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if ($force)
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{
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ps_query("UPDATE search_saved SET enabled = 1 WHERE ref = ?", array("i", $ref));
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}
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else
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{
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global $userref;
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ps_query("UPDATE search_saved SET enabled = 1 WHERE ref = ? AND owner = ?", array("i", $ref, "i", $userref));
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}
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}
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function search_notification_disable($ref,$force=false)
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{
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if ($force)
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{
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ps_query("UPDATE search_saved SET enabled = 0 WHERE ref = ?", array("i", $ref));
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}
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else
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{
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global $userref;
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ps_query("UPDATE search_saved SET enabled = 0 WHERE ref = ? AND owner = ?", array("i", $ref, "i", $userref));
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}
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}
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function search_notification_enable_all($force=false)
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{
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if ($force)
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{
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ps_query("UPDATE search_saved SET enabled = 1", array());
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}
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else
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{
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global $userref;
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ps_query("UPDATE search_saved SET enabled = 1 WHERE owner = ?", array("i", $userref));
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}
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}
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function search_notification_disable_all($force=false)
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{
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if ($force)
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{
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ps_query("UPDATE search_saved SET enabled = 0", array());
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}
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else
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{
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global $userref;
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ps_query("UPDATE search_saved SET enabled = 0 WHERE owner = ?", array("i", $userref));
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}
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}
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function search_notification_process($owner=-1,$search_saved=-1)
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{
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global $lang,$baseurl,$search_notification_max_thumbnails;
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$sql_and = "";
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$parameters = array();
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if ($owner != -1)
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{
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$sql_and = " AND owner = ?";
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$parameters = array("i", $owner);
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}
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if ($search_saved != -1)
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{
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$sql_and .= " AND ref = ?";
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$parameters = array_merge($parameters, array("i", $search_saved));
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}
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$saved_searches = ps_query("SELECT * FROM search_saved WHERE enabled = 1" . $sql_and . " ORDER BY owner", $parameters);
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foreach ($saved_searches as $search)
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{
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$results=do_search($search['search'],$search['restypes'],'resourceid',$search['archive']);
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$resources_found=array();
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if (is_array($results) && count($results) > 0)
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{
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foreach ($results as $result)
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{
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array_push($resources_found, $result['ref']);
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}
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}
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$checksum_data=implode(',',$resources_found);
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$checksum=sha1('#' . $checksum_data); // the '#' avoids blank checksum if no resources found
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$checksum_matches=count($resources_found);
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if ($checksum==$search['checksum']) // nothing has changed so process the next saved search
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{
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continue;
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}
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if ($search['checksum'] != "") // this search has been run before so work out differences
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{
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$resources_existing=$search['checksum_data']=='' ? array() : explode(',',$search['checksum_data']); // ensure empty resource list produces zero array entries
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$resources_subtracted=array_diff($resources_existing,$resources_found);
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$resources_added=array_diff($resources_found,$resources_existing);
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$resources_added_count=count($resources_added);
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$resources_subtracted_count=count($resources_subtracted);
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$message=
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($resources_added_count == 1 ? "{$resources_added_count} {$lang['search_notifications_new match_found']}" : "") .
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($resources_added_count > 1 ? "{$resources_added_count} {$lang['search_notifications_new matches_found']}" : "") .
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($resources_added_count > 0 && $resources_subtracted_count > 0 ? " {$lang['and']} " : "") .
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($resources_subtracted_count == 1 ? "{$resources_subtracted_count} {$lang['search_notifications_resource_no_longer_matches']}" : "") .
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($resources_subtracted_count > 1 ? "{$resources_subtracted_count} {$lang['search_notifications_resources_no_longer_match']}" : "") .
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" {$lang['search_notifications_for_watch_search']} " . $search['title'] . "<br />";
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$added_to_message_count = 0;
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foreach ($resources_added as $resource_added)
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{
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if ($added_to_message_count == $search_notification_max_thumbnails)
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{
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break;
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}
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$thumb_file=get_resource_path($resource_added,true,'col');
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if (file_exists($thumb_file))
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{
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$thumb_url=get_resource_path($resource_added,false,'col');
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$message.="<a href='{$baseurl}/pages/view.php?ref={$resource_added}&search={$search['search']}&restypes={$search['restypes']}&archive={$search['archive']}'";
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$message.=" onclick='return ModalLoad(this,true);'>";
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$message.="<img src='{$thumb_url}' >";
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$message.="</a>";
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$added_to_message_count++;
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}
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}
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$search['checksum_data_previous'] = $search['checksum_data'];
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$search['checksum_data'] = implode(',', $resources_found);
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message_add(
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$search['owner'],
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$message,
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search_notification_make_url($search)
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);
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}
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// finally update with the new checksum, timestamp and resources
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ps_query("UPDATE search_saved SET checksum = ?,checksum_matches = ?, checksum_when = NOW(), checksum_data_previous = checksum_data, checksum_data = ? WHERE ref = ?", ['s', $checksum, 's', $checksum_matches, 's', $checksum_data, 'i', $search['ref']]);
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} // end for each saved search
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}
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function search_notification_make_url($watched_search)
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{
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global $baseurl, $only_show_changes;
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$url = $baseurl . "/pages/search.php?restypes=" . urlencode($watched_search['restypes']) . "&archive=" . $watched_search['archive'] . "&search=";
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if($only_show_changes)
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{
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$current = explode(',',$watched_search['checksum_data']);
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$previous = explode(',',$watched_search['checksum_data_previous']);
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$additions = array_diff($current, $previous);
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$removals = array_diff($previous, $current);
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$changes = array_merge($additions, $removals);
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if(count($changes) > 0)
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{
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$url .= urlencode('!list' . implode(':', $changes));
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}
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}
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else
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{
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$url .= urlencode($watched_search['search']);
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}
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return $url;
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}
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/**
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* Delete all watched searches by user
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*
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* @param int $user User ID
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*
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* @return void
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*/
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function search_notification_delete_by_owner($user): void
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{
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ps_query("DELETE FROM search_saved WHERE owner = ?", array("i", $user));
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}
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