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authorcweiske <cweiske@b3834d28-1941-0410-a4f8-b48e95affb8f>2009-10-03 14:08:25 +0000
committercweiske <cweiske@b3834d28-1941-0410-a4f8-b48e95affb8f>2009-10-03 14:08:25 +0000
commitb7345f833dea849e94f2ce23fdbe6ab58ba98be3 (patch)
treeb6b6d73910e69621824e0fb46bcaa81d08607052 /src/SemanticScuttle/Service/Bookmark.php
parent29422fa55379aa61a61019b832c83dab6d450264 (diff)
downloadsemanticscuttle-b7345f833dea849e94f2ce23fdbe6ab58ba98be3.tar.gz
semanticscuttle-b7345f833dea849e94f2ce23fdbe6ab58ba98be3.tar.bz2
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git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@387 b3834d28-1941-0410-a4f8-b48e95affb8f
Diffstat (limited to 'src/SemanticScuttle/Service/Bookmark.php')
-rw-r--r--src/SemanticScuttle/Service/Bookmark.php552
1 files changed, 552 insertions, 0 deletions
diff --git a/src/SemanticScuttle/Service/Bookmark.php b/src/SemanticScuttle/Service/Bookmark.php
new file mode 100644
index 0000000..f119593
--- /dev/null
+++ b/src/SemanticScuttle/Service/Bookmark.php
@@ -0,0 +1,552 @@
+<?php
+class BookmarkService {
+ var $db;
+ var $tablename;
+
+ function & getInstance(& $db) {
+ static $instance;
+ if (!isset ($instance))
+ $instance = & new BookmarkService($db);
+ return $instance;
+ }
+
+ function BookmarkService(& $db) {
+ $this->db = & $db;
+ $this->tablename = $GLOBALS['tableprefix'] .'bookmarks';
+ }
+
+ function _getbookmark($fieldname, $value, $all = false) {
+ if (!$all) {
+ $userservice = & ServiceFactory :: getServiceInstance('UserService');
+ $sId = $userservice->getCurrentUserId();
+ $range = ' AND uId = '. $sId;
+ } else {
+ $range = '';
+ }
+
+ $query = 'SELECT * FROM '. $this->getTableName() .' 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)) {
+ $output = $row;
+ } else {
+ $output = false;
+ }
+ $this->db->sql_freeresult($dbresult);
+ return $output;
+ }
+
+ function & getBookmark($bid, $include_tags = false) {
+ if (!is_numeric($bid))
+ return;
+
+ $sql = 'SELECT * FROM '. $this->getTableName() .' 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) {
+ $b2tservice = & ServiceFactory :: getServiceInstance('Bookmark2TagService');
+ $row['tags'] = $b2tservice->getTagsForBookmark($bid);
+ }
+ $output = $row;
+ } else {
+ $output = false;
+ }
+ $this->db->sql_freeresult($dbresult);
+ return $output;
+ }
+
+ function getBookmarkByAddress($address) {
+ $hash = md5($address);
+ return $this->getBookmarkByHash($hash);
+ }
+
+ function getBookmarkByHash($hash) {
+ return $this->_getbookmark('bHash', $hash, true);
+ }
+
+ /* Counts bookmarks for a user. $range = {'public', 'shared', 'private', 'all'}*/
+ function countBookmarks($uId, $range = 'public') {
+ $sql = 'SELECT COUNT(*) FROM '. $GLOBALS['tableprefix'] .'bookmarks';
+ $sql.= ' WHERE uId = '.$uId;
+ switch ($range) {
+ case 'all':
+ //no constraints
+ break;
+ case 'private':
+ $sql.= ' AND bStatus = 2';
+ break;
+ case 'shared':
+ $sql.= ' AND bStatus = 1';
+ break;
+ case 'public':
+ default:
+ $sql.= ' AND bStatus = 0';
+ break;
+ }
+
+ if (!($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);
+ }
+
+ /**
+ * Check if a bookmark may be edited by the current user
+ *
+ * @param integer|array $bookmark Bookmark uId or bookmark array
+ *
+ * @return boolean True if allowed
+ */
+ function editAllowed($bookmark)
+ {
+ if (!is_numeric($bookmark) && (!is_array($bookmark)
+ || !is_numeric($bookmark['bId']))
+ ) {
+ return false;
+ }
+
+ if (!is_array($bookmark)
+ && !($bookmark = $this->getBookmark($bookmark))
+ ) {
+ return false;
+ }
+
+ $userservice = & ServiceFactory::getServiceInstance('UserService');
+ $user = $userservice->getCurrentUser();
+
+ //user has to be either admin, or owner
+ if ($GLOBALS['adminsCanModifyBookmarksFromOtherUsers']
+ && $userservice->isAdmin($user)
+ ) {
+ return true;
+ } else {
+ return ($bookmark['uId'] == $user['uId']);
+ }
+ }
+
+ function bookmarkExists($address = false, $uid = NULL) {
+ if (!$address) {
+ return;
+ }
+
+ $address = $this->normalize($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, $this->db);
+ }
+ if($this->db->sql_fetchfield(0, 0) > 0) {
+ $output = true;
+ } else {
+ $output = false;
+ }
+ $this->db->sql_freeresult($dbresult);
+ return $output;
+ }
+
+ // Adds a bookmark to the database.
+ // Note that date is expected to be a string that's interpretable by strtotime().
+ function addBookmark($address, $title, $description, $privateNote, $status, $categories, $date = NULL, $fromApi = false, $fromImport = false, $sId = -1) {
+ if($sId == -1) {
+ $userservice = & ServiceFactory :: getServiceInstance('UserService');
+ $sId = $userservice->getCurrentUserId();
+ }
+
+ $address = $this->normalize($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) || $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, 'bPrivateNote' => $privateNote, 'bStatus' => intval($status), 'bHash' => md5($address));
+ $sql = 'INSERT INTO '. $this->getTableName() .' '. $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);
+
+ $b2tservice = & ServiceFactory :: getServiceInstance('Bookmark2TagService');
+ if (!$b2tservice->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, $privateNote, $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());
+
+ $address = $this->normalize($address);
+
+ //check if a new address ($address) doesn't already exist for another bookmark from the same user
+ $bookmark = $this->getBookmark($bId);
+ if($bookmark['bAddress'] != $address && $this->bookmarkExists($address, $bookmark['uId'])) {
+ message_die(GENERAL_ERROR, 'Could not update bookmark (URL already existing = '.$address.')', '', __LINE__, __FILE__);
+ return false;
+ }
+
+ // Set up the SQL update statement and execute it.
+ $updates = array('bModified' => $moddatetime, 'bTitle' => $title, 'bAddress' => $address, 'bDescription' => $description, 'bPrivateNote' => $privateNote, '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);
+
+ $b2tservice = & ServiceFactory :: getServiceInstance('Bookmark2TagService');
+ if (!$b2tservice->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');
+ $b2tservice =& ServiceFactory::getServiceInstance('Bookmark2TagService');
+ $tag2tagservice =& ServiceFactory::getServiceInstance('Tag2TagService');
+ $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, '. $this->getTableName() .' 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) {
+ $query_3_1 = '';
+ foreach($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)';
+ }
+
+ $query_5 = '';
+ if($hash == null) {
+ $query_5.= ' GROUP BY B.bHash';
+ }
+
+ switch($sortOrder) {
+ case 'date_asc':
+ $query_5.= ' ORDER BY B.bModified 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.bModified 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 .= ', '. $b2tservice->getTableName() .' AS T'. $i;
+ $query_4 .= ' AND (';
+
+ $allLinkedTags = $tag2tagservice->getAllLinkedTags($this->db->sql_escape($tags[$i]), '>', $user);
+
+ while (is_array($allLinkedTags) && count($allLinkedTags)>0) {
+ $query_4 .= ' T'. $i .'.tag = "'. array_pop($allLinkedTags) .'"';
+ $query_4 .= ' OR';
+ }
+
+ $query_4 .= ' T'. $i .'.tag = "'. $this->db->sql_escape($tags[$i]) .'"';
+
+ $query_4 .= ') AND T'. $i .'.bId = B.bId';
+ //die($query_4);
+ }
+
+ // 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 '. $b2tservice->getTableName() .' 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]) .'%"';
+ $query_4 .= ' OR B.bPrivateNote LIKE "'. $this->db->sql_escape($aTerms[$i]) .'%"'; //warning : search in private notes of everybody but private notes won't appear if not allowed.
+ $query_4 .= ' OR U.username = "'. $this->db->sql_escape($aTerms[$i]) .'"'; //exact match for username
+ if ($dotags) {
+ $query_4 .= ' OR T.tag LIKE "'. $this->db->sql_escape($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') {
+ $totalquery = 'SELECT FOUND_ROWS() AS total';
+ } else {
+ if ($hash) {
+ $totalquery = 'SELECT COUNT(*) AS total'. $query_2 . $query_3 . $query_4;
+ } else {
+ $totalquery = 'SELECT COUNT(DISTINCT bAddress) 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'];
+ $this->db->sql_freeresult($totalresult);
+
+ $bookmarks = array();
+ while ($row = & $this->db->sql_fetchrow($dbresult)) {
+ $row['tags'] = $b2tservice->getTagsForBookmark(intval($row['bId']));
+ $bookmarks[] = $row;
+ }
+
+ $this->db->sql_freeresult($dbresult);
+ $output = array ('bookmarks' => $bookmarks, 'total' => $total);
+ return $output;
+ }
+
+ function deleteBookmark($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 '. $GLOBALS['tableprefix'] .'bookmarks2tags WHERE bId = '. intval($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;
+ }
+
+ $this->db->sql_transaction('commit');
+ return true;
+ }
+
+ function deleteBookmarksForUser($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; }
+
+}
+
+
+
+?>