118 lines
3.8 KiB
PHP
118 lines
3.8 KiB
PHP
<?php
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/**
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* ownCloud - bookmarks plugin
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*
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* @author Arthur Schiwon
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* @copyright 2011 Arthur Schiwon blizzz@arthur-schiwon.de
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* This class manages bookmarks
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*/
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class OC_Bookmarks_Bookmarks{
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/**
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* @brief Finds all bookmarks, matching the filter
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* @param offset result offset
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* @param sqlSortColumn sort result with this column
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* @param filter can be: empty -> no filter, a string -> filter this, a string array -> filter for all strings
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* @param filterTagOnly if true, filter affacts only tags, else filter affects url, title and tags
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* @return void
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*/
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public static function findBookmarks($offset, $sqlSortColumn, $filter, $filterTagOnly){
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//OC_Log::write('bookmarks', 'findBookmarks ' .$offset. ' '.$sqlSortColumn.' '. $filter.' '. $filterTagOnly ,OC_Log::DEBUG);
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$CONFIG_DBTYPE = OC_Config::getValue( 'dbtype', 'sqlite' );
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$params=array(OC_User::getUser());
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if( $CONFIG_DBTYPE == 'sqlite' or $CONFIG_DBTYPE == 'sqlite3' ){
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$_gc_separator = ', \' \'';
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} else {
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$_gc_separator = 'SEPARATOR \' \'';
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}
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if($filter){
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if($CONFIG_DBTYPE == 'pgsql' )
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$tagString = 'array_to_string(array_agg(tag), \' \')';
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else
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$tagString = 'tags';
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$sqlFilterTag = 'HAVING ';
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if(is_array($filter)){
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$first = true;
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$filterstring = '';
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foreach ($filter as $singleFilter){
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$filterstring = $filterstring . ($first?'':' AND ') . $tagString.' LIKE ? ';
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$params[] = '%'.$singleFilter.'%';
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$first=false;
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}
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$sqlFilterTag = $sqlFilterTag . $filterstring;
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} else{
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$sqlFilterTag = $sqlFilterTag .$tagString.' LIKE ? ';
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$params[] = '%'.$filter.'%';
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}
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} else {
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$sqlFilterTag = '';
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}
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if($CONFIG_DBTYPE == 'pgsql' ){
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$query = OC_DB::prepare('
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SELECT id, url, title, '.($filterTagOnly?'':'url || title ||').' array_to_string(array_agg(tag), \' \') as tags
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FROM *PREFIX*bookmarks
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LEFT JOIN *PREFIX*bookmarks_tags ON *PREFIX*bookmarks.id = *PREFIX*bookmarks_tags.bookmark_id
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WHERE
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*PREFIX*bookmarks.user_id = ?
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GROUP BY id, url, title
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'.$sqlFilterTag.'
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ORDER BY *PREFIX*bookmarks.'.$sqlSortColumn.' DESC
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LIMIT 10
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OFFSET '. $offset);
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} else {
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if( $CONFIG_DBTYPE == 'sqlite' or $CONFIG_DBTYPE == 'sqlite3' )
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$concatFunction = '(url || title || ';
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else
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$concatFunction = 'Concat(Concat( url, title), ';
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$query = OC_DB::prepare('
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SELECT id, url, title, '
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.($filterTagOnly?'':$concatFunction).
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'CASE WHEN *PREFIX*bookmarks.id = *PREFIX*bookmarks_tags.bookmark_id
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THEN GROUP_CONCAT( tag ' .$_gc_separator. ' )
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ELSE \' \'
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END '
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.($filterTagOnly?'':')').'
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AS tags
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FROM *PREFIX*bookmarks
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LEFT JOIN *PREFIX*bookmarks_tags ON 1=1
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WHERE (*PREFIX*bookmarks.id = *PREFIX*bookmarks_tags.bookmark_id
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OR *PREFIX*bookmarks.id NOT IN (
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SELECT *PREFIX*bookmarks_tags.bookmark_id FROM *PREFIX*bookmarks_tags
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)
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)
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AND *PREFIX*bookmarks.user_id = ?
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GROUP BY url
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'.$sqlFilterTag.'
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ORDER BY *PREFIX*bookmarks.'.$sqlSortColumn.' DESC
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LIMIT '.$offset.', 10');
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}
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$bookmarks = $query->execute($params)->fetchAll();
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return $bookmarks;
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}
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}
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?>
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