nextcloud/apps/bookmarks/lib/bookmarks.php

148 lines
4.4 KiB
PHP

<?php
/**
* ownCloud - bookmarks plugin
*
* @author Arthur Schiwon
* @copyright 2011 Arthur Schiwon blizzz@arthur-schiwon.de
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* This class manages bookmarks
*/
class OC_Bookmarks_Bookmarks{
/**
* @brief Finds all bookmarks, matching the filter
* @param offset result offset
* @param sqlSortColumn sort result with this column
* @param filter can be: empty -> no filter, a string -> filter this, a string array -> filter for all strings
* @param filterTagOnly if true, filter affacts only tags, else filter affects url, title and tags
* @return void
*/
public static function findBookmarks($offset, $sqlSortColumn, $filter, $filterTagOnly){
//OCP\Util::writeLog('bookmarks', 'findBookmarks ' .$offset. ' '.$sqlSortColumn.' '. $filter.' '. $filterTagOnly ,OCP\Util::DEBUG);
$CONFIG_DBTYPE = OCP\Config::getSystemValue( 'dbtype', 'sqlite' );
$params=array(OCP\USER::getUser());
if( $CONFIG_DBTYPE == 'sqlite' or $CONFIG_DBTYPE == 'sqlite3' ){
$_gc_separator = ', \' \'';
} else {
$_gc_separator = 'SEPARATOR \' \'';
}
if($filter){
if($CONFIG_DBTYPE == 'pgsql' )
$tagString = 'array_to_string(array_agg(tag), \' \')';
else
$tagString = 'tags';
$sqlFilterTag = 'HAVING ';
if(is_array($filter)){
$first = true;
$filterstring = '';
foreach ($filter as $singleFilter){
$filterstring = $filterstring . ($first?'':' AND ') . $tagString.' LIKE ? ';
$params[] = '%'.$singleFilter.'%';
$first=false;
}
$sqlFilterTag = $sqlFilterTag . $filterstring;
} else{
$sqlFilterTag = $sqlFilterTag .$tagString.' LIKE ? ';
$params[] = '%'.$filter.'%';
}
} else {
$sqlFilterTag = '';
}
if($CONFIG_DBTYPE == 'pgsql' ){
$query = OCP\DB::prepare('
SELECT `id`, `url`, `title`, '.($filterTagOnly?'':'`url` || `title` ||').' array_to_string(array_agg(`tag`), \' \') as `tags`
FROM `*PREFIX*bookmarks`
LEFT JOIN `*PREFIX*bookmarks_tags` ON `*PREFIX*bookmarks`.`id` = `*PREFIX*bookmarks_tags`.`bookmark_id`
WHERE
`*PREFIX*bookmarks`.`user_id` = ?
GROUP BY `id`, `url`, `title`
'.$sqlFilterTag.'
ORDER BY `*PREFIX*bookmarks`.`'.$sqlSortColumn.'` DESC',
10,$offset);
} else {
if( $CONFIG_DBTYPE == 'sqlite' or $CONFIG_DBTYPE == 'sqlite3' )
$concatFunction = '(url || title || ';
else
$concatFunction = 'Concat(Concat( url, title), ';
$query = OCP\DB::prepare('
SELECT `id`, `url`, `title`, '
.($filterTagOnly?'':$concatFunction).
'CASE WHEN `*PREFIX*bookmarks`.`id` = `*PREFIX*bookmarks_tags`.`bookmark_id`
THEN GROUP_CONCAT( `tag` ' .$_gc_separator. ' )
ELSE \' \'
END '
.($filterTagOnly?'':')').'
AS `tags`
FROM `*PREFIX*bookmarks`
LEFT JOIN `*PREFIX*bookmarks_tags` ON 1=1
WHERE (`*PREFIX*bookmarks`.`id` = `*PREFIX*bookmarks_tags`.`bookmark_id`
OR `*PREFIX*bookmarks`.`id` NOT IN (
SELECT `*PREFIX*bookmarks_tags`.`bookmark_id` FROM `*PREFIX*bookmarks_tags`
)
)
AND `*PREFIX*bookmarks`.`user_id` = ?
GROUP BY `url`
'.$sqlFilterTag.'
ORDER BY `*PREFIX*bookmarks`.`'.$sqlSortColumn.'` DESC',
10, $offset);
}
$bookmarks = $query->execute($params)->fetchAll();
return $bookmarks;
}
public static function deleteUrl($id)
{
$user = OCP\USER::getUser();
$query = OCP\DB::prepare("
SELECT `id` FROM `*PREFIX*bookmarks`
WHERE `id` = ?
AND `user_id` = ?
");
$result = $query->execute(array($id, $user));
$id = $result->fetchOne();
if ($id === false) {
return false;
}
$query = OCP\DB::prepare("
DELETE FROM `*PREFIX*bookmarks`
WHERE `id` = $id
");
$result = $query->execute();
$query = OCP\DB::prepare("
DELETE FROM `*PREFIX*bookmarks_tags`
WHERE `bookmark_id` = $id
");
$result = $query->execute();
return true;
}
}