715ddba1dc
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@283 b3834d28-1941-0410-a4f8-b48e95affb8f
521 lines
17 KiB
PHP
521 lines
17 KiB
PHP
<?php
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class BookmarkService {
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var $db;
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var $tablename;
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function & getInstance(& $db) {
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static $instance;
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if (!isset ($instance))
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$instance = & new BookmarkService($db);
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return $instance;
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}
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function BookmarkService(& $db) {
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$this->db = & $db;
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$this->tablename = $GLOBALS['tableprefix'] .'bookmarks';
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}
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function _getbookmark($fieldname, $value, $all = false) {
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if (!$all) {
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$userservice = & ServiceFactory :: getServiceInstance('UserService');
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$sId = $userservice->getCurrentUserId();
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$range = ' AND uId = '. $sId;
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} else {
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$range = '';
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}
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$query = 'SELECT * FROM '. $this->getTableName() .' WHERE '. $fieldname .' = "'. $this->db->sql_escape($value) .'"'. $range;
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if (!($dbresult = & $this->db->sql_query_limit($query, 1, 0))) {
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message_die(GENERAL_ERROR, 'Could not get bookmark', '', __LINE__, __FILE__, $query, $this->db);
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return false;
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}
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if ($row =& $this->db->sql_fetchrow($dbresult)) {
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$output = $row;
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} else {
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$output = false;
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}
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$this->db->sql_freeresult($dbresult);
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return $output;
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}
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function & getBookmark($bid, $include_tags = false) {
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if (!is_numeric($bid))
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return;
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$sql = 'SELECT * FROM '. $this->getTableName() .' WHERE bId = '. $this->db->sql_escape($bid);
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if (!($dbresult = & $this->db->sql_query($sql)))
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message_die(GENERAL_ERROR, 'Could not get vars', '', __LINE__, __FILE__, $sql, $this->db);
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if ($row = & $this->db->sql_fetchrow($dbresult)) {
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if ($include_tags) {
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$b2tservice = & ServiceFactory :: getServiceInstance('Bookmark2TagService');
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$row['tags'] = $b2tservice->getTagsForBookmark($bid);
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}
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$output = $row;
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} else {
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$output = false;
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}
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$this->db->sql_freeresult($dbresult);
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return $output;
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}
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function getBookmarkByAddress($address) {
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$hash = md5($address);
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return $this->getBookmarkByHash($hash);
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}
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function getBookmarkByHash($hash) {
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return $this->_getbookmark('bHash', $hash, true);
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}
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/* Counts bookmarks for a user. $range = {'public', 'shared', 'private', 'all'}*/
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function countBookmarks($uId, $range = 'public') {
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$sql = 'SELECT COUNT(*) FROM '. $GLOBALS['tableprefix'] .'bookmarks';
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$sql.= ' WHERE uId = '.$uId;
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switch ($range) {
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case 'all':
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//no constraints
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break;
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case 'private':
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$sql.= ' AND bStatus = 2';
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break;
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case 'shared':
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$sql.= ' AND bStatus = 1';
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break;
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case 'public':
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default:
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$sql.= ' AND bStatus = 0';
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break;
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}
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if (!($dbresult = & $this->db->sql_query($sql))) {
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message_die(GENERAL_ERROR, 'Could not get vars', '', __LINE__, __FILE__, $sql, $this->db);
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}
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return $this->db->sql_fetchfield(0, 0);
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}
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function editAllowed($bookmark) {
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if (!is_numeric($bookmark) && (!is_array($bookmark) || !is_numeric($bookmark['bId'])))
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return false;
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if (!is_array($bookmark))
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if (!($bookmark = $this->getBookmark($bookmark)))
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return false;
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$userservice = & ServiceFactory :: getServiceInstance('UserService');
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$userid = $userservice->getCurrentUserId();
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if ($GLOBALS['adminsCanModifyBookmarksFromOtherUsers'] && $userservice->isAdmin($userid))
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return true;
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else
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return ($bookmark['uId'] == $userid);
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}
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function bookmarkExists($address = false, $uid = NULL) {
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if (!$address) {
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return;
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}
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$address = $this->normalize($address);
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$crit = array ('bHash' => md5($address));
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if (isset ($uid)) {
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$crit['uId'] = $uid;
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}
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$sql = 'SELECT COUNT(*) FROM '. $GLOBALS['tableprefix'] .'bookmarks WHERE '. $this->db->sql_build_array('SELECT', $crit);
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if (!($dbresult = & $this->db->sql_query($sql))) {
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message_die(GENERAL_ERROR, 'Could not get vars', '', __LINE__, __FILE__, $sql, $this->db);
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}
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if($this->db->sql_fetchfield(0, 0) > 0) {
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$output = true;
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} else {
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$output = false;
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}
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$this->db->sql_freeresult($dbresult);
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return $output;
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}
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// Adds a bookmark to the database.
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// Note that date is expected to be a string that's interpretable by strtotime().
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function addBookmark($address, $title, $description, $privateNote, $status, $categories, $date = NULL, $fromApi = false, $fromImport = false, $sId = -1) {
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if($sId == -1) {
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$userservice = & ServiceFactory :: getServiceInstance('UserService');
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$sId = $userservice->getCurrentUserId();
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}
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$address = $this->normalize($address);
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// Get the client's IP address and the date; note that the date is in GMT.
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if (getenv('HTTP_CLIENT_IP'))
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$ip = getenv('HTTP_CLIENT_IP');
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else
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if (getenv('REMOTE_ADDR'))
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$ip = getenv('REMOTE_ADDR');
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else
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$ip = getenv('HTTP_X_FORWARDED_FOR');
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// Note that if date is NULL, then it's added with a date and time of now, and if it's present,
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// it's expected to be a string that's interpretable by strtotime().
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if (is_null($date) || $date == '')
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$time = time();
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else
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$time = strtotime($date);
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$datetime = gmdate('Y-m-d H:i:s', $time);
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// Set up the SQL insert statement and execute it.
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$values = array('uId' => intval($sId), 'bIp' => $ip, 'bDatetime' => $datetime, 'bModified' => $datetime, 'bTitle' => $title, 'bAddress' => $address, 'bDescription' => $description, 'bPrivateNote' => $privateNote, 'bStatus' => intval($status), 'bHash' => md5($address));
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$sql = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
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$this->db->sql_transaction('begin');
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if (!($dbresult = & $this->db->sql_query($sql))) {
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$this->db->sql_transaction('rollback');
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message_die(GENERAL_ERROR, 'Could not insert bookmark', '', __LINE__, __FILE__, $sql, $this->db);
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return false;
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}
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// Get the resultant row ID for the bookmark.
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$bId = $this->db->sql_nextid($dbresult);
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if (!isset($bId) || !is_int($bId)) {
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$this->db->sql_transaction('rollback');
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message_die(GENERAL_ERROR, 'Could not insert bookmark', '', __LINE__, __FILE__, $sql, $this->db);
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return false;
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}
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$uriparts = explode('.', $address);
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$extension = end($uriparts);
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unset($uriparts);
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$b2tservice = & ServiceFactory :: getServiceInstance('Bookmark2TagService');
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if (!$b2tservice->attachTags($bId, $categories, $fromApi, $extension, false, $fromImport)) {
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$this->db->sql_transaction('rollback');
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message_die(GENERAL_ERROR, 'Could not insert bookmark', '', __LINE__, __FILE__, $sql, $this->db);
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return false;
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}
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$this->db->sql_transaction('commit');
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// Everything worked out, so return the new bookmark's bId.
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return $bId;
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}
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function updateBookmark($bId, $address, $title, $description, $privateNote, $status, $categories, $date = NULL, $fromApi = false) {
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if (!is_numeric($bId))
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return false;
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// Get the client's IP address and the date; note that the date is in GMT.
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if (getenv('HTTP_CLIENT_IP'))
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$ip = getenv('HTTP_CLIENT_IP');
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else
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if (getenv('REMOTE_ADDR'))
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$ip = getenv('REMOTE_ADDR');
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else
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$ip = getenv('HTTP_X_FORWARDED_FOR');
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$moddatetime = gmdate('Y-m-d H:i:s', time());
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// Set up the SQL update statement and execute it.
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$updates = array('bModified' => $moddatetime, 'bTitle' => $title, 'bAddress' => $address, 'bDescription' => $description, 'bPrivateNote' => $privateNote, 'bStatus' => $status, 'bHash' => md5($address));
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if (!is_null($date)) {
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$datetime = gmdate('Y-m-d H:i:s', strtotime($date));
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$updates[] = array('bDateTime' => $datetime);
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}
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$sql = 'UPDATE '. $GLOBALS['tableprefix'] .'bookmarks SET '. $this->db->sql_build_array('UPDATE', $updates) .' WHERE bId = '. intval($bId);
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$this->db->sql_transaction('begin');
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if (!($dbresult = & $this->db->sql_query($sql))) {
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$this->db->sql_transaction('rollback');
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message_die(GENERAL_ERROR, 'Could not update bookmark', '', __LINE__, __FILE__, $sql, $this->db);
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return false;
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}
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$uriparts = explode('.', $address);
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$extension = end($uriparts);
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unset($uriparts);
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$b2tservice = & ServiceFactory :: getServiceInstance('Bookmark2TagService');
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if (!$b2tservice->attachTags($bId, $categories, $fromApi, $extension)) {
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$this->db->sql_transaction('rollback');
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message_die(GENERAL_ERROR, 'Could not update bookmark', '', __LINE__, __FILE__, $sql, $this->db);
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return false;
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}
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$this->db->sql_transaction('commit');
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// Everything worked out, so return true.
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return true;
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}
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function & getBookmarks($start = 0, $perpage = NULL, $user = NULL, $tags = NULL, $terms = NULL, $sortOrder = NULL, $watched = NULL, $startdate = NULL, $enddate = NULL, $hash = NULL) {
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// Only get the bookmarks that are visible to the current user. Our rules:
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// - if the $user is NULL, that means get bookmarks from ALL users, so we need to make
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// sure to check the logged-in user's watchlist and get the contacts-only bookmarks from
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// those users. If the user isn't logged-in, just get the public bookmarks.
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// - if the $user is set and isn't the logged-in user, then get that user's bookmarks, and
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// if that user is on the logged-in user's watchlist, get the public AND contacts-only
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// bookmarks; otherwise, just get the public bookmarks.
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// - if the $user is set and IS the logged-in user, then get all bookmarks.
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$userservice =& ServiceFactory::getServiceInstance('UserService');
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$b2tservice =& ServiceFactory::getServiceInstance('Bookmark2TagService');
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$tag2tagservice =& ServiceFactory::getServiceInstance('Tag2TagService');
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$sId = $userservice->getCurrentUserId();
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if ($userservice->isLoggedOn()) {
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// All public bookmarks, user's own bookmarks and any shared with user
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$privacy = ' AND ((B.bStatus = 0) OR (B.uId = '. $sId .')';
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$watchnames = $userservice->getWatchNames($sId, true);
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foreach($watchnames as $watchuser) {
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$privacy .= ' OR (U.username = "'. $watchuser .'" AND B.bStatus = 1)';
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}
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$privacy .= ')';
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} else {
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// Just public bookmarks
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$privacy = ' AND B.bStatus = 0';
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}
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// Set up the tags, if need be.
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if (!is_array($tags) && !is_null($tags)) {
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$tags = explode('+', trim($tags));
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}
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$tagcount = count($tags);
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for ($i = 0; $i < $tagcount; $i ++) {
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$tags[$i] = trim($tags[$i]);
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}
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// Set up the SQL query.
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$query_1 = 'SELECT DISTINCT ';
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if (SQL_LAYER == 'mysql4') {
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$query_1 .= 'SQL_CALC_FOUND_ROWS ';
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}
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$query_1 .= 'B.*, U.'. $userservice->getFieldName('username');
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$query_2 = ' FROM '. $userservice->getTableName() .' AS U, '. $this->getTableName() .' AS B';
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$query_3 = ' WHERE B.uId = U.'. $userservice->getFieldName('primary') . $privacy;
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if (is_null($watched)) {
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if (!is_null($user)) {
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$query_3 .= ' AND B.uId = '. $user;
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}
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} else {
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$arrWatch = $userservice->getWatchlist($user);
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if (count($arrWatch) > 0) {
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$query_3_1 = '';
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foreach($arrWatch as $row) {
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$query_3_1 .= 'B.uId = '. intval($row) .' OR ';
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}
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$query_3_1 = substr($query_3_1, 0, -3);
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} else {
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$query_3_1 = 'B.uId = -1';
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}
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$query_3 .= ' AND ('. $query_3_1 .') AND B.bStatus IN (0, 1)';
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}
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$query_5 = '';
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if($hash == null) {
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$query_5.= ' GROUP BY B.bHash';
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}
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switch($sortOrder) {
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case 'date_asc':
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$query_5.= ' ORDER BY B.bModified ASC ';
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break;
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case 'title_desc':
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$query_5.= ' ORDER BY B.bTitle DESC ';
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break;
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case 'title_asc':
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$query_5.= ' ORDER BY B.bTitle ASC ';
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break;
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case 'url_desc':
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$query_5.= ' ORDER BY B.bAddress DESC ';
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break;
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case 'url_asc':
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$query_5.= ' ORDER BY B.bAddress ASC ';
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break;
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default:
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$query_5.= ' ORDER BY B.bModified DESC ';
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}
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// Handle the parts of the query that depend on any tags that are present.
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$query_4 = '';
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for ($i = 0; $i < $tagcount; $i ++) {
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$query_2 .= ', '. $b2tservice->getTableName() .' AS T'. $i;
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$query_4 .= ' AND (';
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$allLinkedTags = $tag2tagservice->getAllLinkedTags($this->db->sql_escape($tags[$i]), '>', $user);
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while (is_array($allLinkedTags) && count($allLinkedTags)>0) {
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$query_4 .= ' T'. $i .'.tag = "'. array_pop($allLinkedTags) .'"';
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$query_4 .= ' OR';
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}
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$query_4 .= ' T'. $i .'.tag = "'. $this->db->sql_escape($tags[$i]) .'"';
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$query_4 .= ') AND T'. $i .'.bId = B.bId';
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//die($query_4);
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}
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// Search terms
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if ($terms) {
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// Multiple search terms okay
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$aTerms = explode(' ', $terms);
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$aTerms = array_map('trim', $aTerms);
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// Search terms in tags as well when none given
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if (!count($tags)) {
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$query_2 .= ' LEFT JOIN '. $b2tservice->getTableName() .' AS T ON B.bId = T.bId';
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$dotags = true;
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} else {
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$dotags = false;
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}
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$query_4 = '';
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for ($i = 0; $i < count($aTerms); $i++) {
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$query_4 .= ' AND (B.bTitle LIKE "%'. $this->db->sql_escape($aTerms[$i]) .'%"';
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$query_4 .= ' OR B.bDescription LIKE "%'. $this->db->sql_escape($aTerms[$i]) .'%"';
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$query_4 .= ' OR U.username = "'. $this->db->sql_escape($aTerms[$i]) .'"'; //exact match for username
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if ($dotags) {
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$query_4 .= ' OR T.tag = "'. $this->db->sql_escape($aTerms[$i]) .'"';
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}
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$query_4 .= ')';
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}
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}
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// Start and end dates
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if ($startdate) {
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$query_4 .= ' AND B.bDatetime > "'. $startdate .'"';
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}
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if ($enddate) {
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$query_4 .= ' AND B.bDatetime < "'. $enddate .'"';
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}
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// Hash
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if ($hash) {
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$query_4 .= ' AND B.bHash = "'. $hash .'"';
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}
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$query = $query_1 . $query_2 . $query_3 . $query_4 . $query_5;
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//die($query);
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if (!($dbresult = & $this->db->sql_query_limit($query, intval($perpage), intval($start)))) {
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message_die(GENERAL_ERROR, 'Could not get bookmarks', '', __LINE__, __FILE__, $query, $this->db);
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return false;
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}
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if (SQL_LAYER == 'mysql4') {
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$totalquery = 'SELECT FOUND_ROWS() AS total';
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} else {
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if ($hash) {
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$totalquery = 'SELECT COUNT(*) AS total'. $query_2 . $query_3 . $query_4;
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} else {
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$totalquery = 'SELECT COUNT(DISTINCT bAddress) AS total'. $query_2 . $query_3 . $query_4;
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}
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}
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if (!($totalresult = & $this->db->sql_query($totalquery)) || (!($row = & $this->db->sql_fetchrow($totalresult)))) {
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message_die(GENERAL_ERROR, 'Could not get total bookmarks', '', __LINE__, __FILE__, $totalquery, $this->db);
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return false;
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}
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$total = $row['total'];
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$bookmarks = array();
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while ($row = & $this->db->sql_fetchrow($dbresult)) {
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$row['tags'] = $b2tservice->getTagsForBookmark(intval($row['bId']));
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$bookmarks[] = $row;
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}
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$this->db->sql_freeresult($dbresult);
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$output = array ('bookmarks' => $bookmarks, 'total' => $total);
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return $output;
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}
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function deleteBookmark($bookmarkid) {
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$query = 'DELETE FROM '. $GLOBALS['tableprefix'] .'bookmarks WHERE bId = '. intval($bookmarkid);
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$this->db->sql_transaction('begin');
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if (!($dbresult = & $this->db->sql_query($query))) {
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$this->db->sql_transaction('rollback');
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message_die(GENERAL_ERROR, 'Could not delete bookmarks', '', __LINE__, __FILE__, $query, $this->db);
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return false;
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}
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$query = 'DELETE FROM '. $GLOBALS['tableprefix'] .'tags WHERE bId = '. intval($bookmarkid);
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$this->db->sql_transaction('begin');
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if (!($dbresult = & $this->db->sql_query($query))) {
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$this->db->sql_transaction('rollback');
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message_die(GENERAL_ERROR, 'Could not delete bookmarks', '', __LINE__, __FILE__, $query, $this->db);
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return false;
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}
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$this->db->sql_transaction('commit');
|
|
return true;
|
|
}
|
|
|
|
function deleteBookmarksForUser($uId) {
|
|
$query = 'DELETE FROM '. $GLOBALS['tableprefix'] .'bookmarks WHERE uId = '. intval($uId);
|
|
|
|
if (!($dbresult = & $this->db->sql_query($query))) {
|
|
message_die(GENERAL_ERROR, 'Could not delete bookmarks', '', __LINE__, __FILE__, $query, $this->db);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function countOthers($address) {
|
|
if (!$address) {
|
|
return false;
|
|
}
|
|
|
|
$userservice = & ServiceFactory :: getServiceInstance('UserService');
|
|
$sId = $userservice->getCurrentUserId();
|
|
|
|
if ($userservice->isLoggedOn()) {
|
|
// All public bookmarks, user's own bookmarks and any shared with user
|
|
$privacy = ' AND ((B.bStatus = 0) OR (B.uId = '. $sId .')';
|
|
$watchnames = $userservice->getWatchNames($sId, true);
|
|
foreach($watchnames as $watchuser) {
|
|
$privacy .= ' OR (U.username = "'. $watchuser .'" AND B.bStatus = 1)';
|
|
}
|
|
$privacy .= ')';
|
|
} else {
|
|
// Just public bookmarks
|
|
$privacy = ' AND B.bStatus = 0';
|
|
}
|
|
|
|
$sql = 'SELECT COUNT(*) FROM '. $userservice->getTableName() .' AS U, '. $GLOBALS['tableprefix'] .'bookmarks AS B WHERE U.'. $userservice->getFieldName('primary') .' = B.uId AND B.bHash = "'. md5($address) .'"'. $privacy;
|
|
if (!($dbresult = & $this->db->sql_query($sql))) {
|
|
message_die(GENERAL_ERROR, 'Could not get vars', '', __LINE__, __FILE__, $sql, $this->db);
|
|
}
|
|
|
|
$output = $this->db->sql_fetchfield(0, 0) - 1;
|
|
$this->db->sql_freeresult($dbresult);
|
|
return $output;
|
|
}
|
|
|
|
function normalize($address) {
|
|
// If bookmark address doesn't contain ":", add "http://" to the start as a default protocol
|
|
if (strpos($address, ':') === false) {
|
|
$address = 'http://'. $address;
|
|
}
|
|
|
|
// Delete final /
|
|
if (substr($address, -1) == '/') {
|
|
$address = substr($address, 0, count($address)-2);
|
|
}
|
|
|
|
return $address;
|
|
}
|
|
|
|
function deleteAll() {
|
|
$query = 'TRUNCATE TABLE `'. $this->getTableName() .'`';
|
|
$this->db->sql_query($query);
|
|
}
|
|
|
|
// Properties
|
|
function getTableName() { return $this->tablename; }
|
|
function setTableName($value) { $this->tablename = $value; }
|
|
|
|
}
|
|
|
|
|
|
|
|
?>
|