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