2 class BookmarkService {
5 function & getInstance(& $db) {
7 if (!isset ($instance))
8 $instance = & new BookmarkService($db);
12 function BookmarkService(& $db) {
16 function _getbookmark($fieldname, $value, $all = false) {
18 $userservice = & ServiceFactory :: getServiceInstance('UserService');
19 $sId = $userservice->getCurrentUserId();
20 $range = ' AND uId = '. $sId;
23 $query = 'SELECT * FROM '. $GLOBALS['tableprefix'] .'bookmarks WHERE '. $fieldname .' = "'. $this->db->sql_escape($value) .'"'. $range;
25 if (!($dbresult = & $this->db->sql_query_limit($query, 1, 0))) {
26 message_die(GENERAL_ERROR, 'Could not get bookmark', '', __LINE__, __FILE__, $query, $this->db);
30 if ($row =& $this->db->sql_fetchrow($dbresult)) {
37 function & getBookmark($bid, $include_tags = false) {
38 if (!is_numeric($bid))
41 $sql = 'SELECT * FROM '. $GLOBALS['tableprefix'] .'bookmarks WHERE bId = '. $this->db->sql_escape($bid);
43 if (!($dbresult = & $this->db->sql_query($sql)))
44 message_die(GENERAL_ERROR, 'Could not get vars', '', __LINE__, __FILE__, $sql, $this->db);
46 if ($row = & $this->db->sql_fetchrow($dbresult)) {
48 $tagservice = & ServiceFactory :: getServiceInstance('TagService');
49 $row['tags'] = $tagservice->getTagsForBookmark($bid);
57 function getBookmarkByAddress($address) {
58 $hash = md5($address);
59 return $this->getBookmarkByHash($hash);
62 function getBookmarkByHash($hash) {
63 return $this->_getbookmark('bHash', $hash, true);
66 function editAllowed($bookmark) {
67 if (!is_numeric($bookmark) && (!is_array($bookmark) || !is_numeric($bookmark['bId'])))
70 if (!is_array($bookmark))
71 if (!($bookmark = $this->getBookmark($bookmark)))
74 $userservice = & ServiceFactory :: getServiceInstance('UserService');
75 $userid = $userservice->getCurrentUserId();
76 if ($userservice->isAdmin($userid))
79 return ($bookmark['uId'] == $userid);
82 function bookmarkExists($address = false, $uid = NULL) {
87 // If address doesn't contain ":", add "http://" as the default protocol
88 if (strpos($address, ':') === false) {
89 $address = 'http://'. $address;
92 $crit = array ('bHash' => md5($address));
97 $sql = 'SELECT COUNT(*) FROM '. $GLOBALS['tableprefix'] .'bookmarks WHERE '. $this->db->sql_build_array('SELECT', $crit);
98 if (!($dbresult = & $this->db->sql_query($sql))) {
99 message_die(GENERAL_ERROR, 'Could not get vars', '', __LINE__, __FILE__, $sql, $this->db);
101 return ($this->db->sql_fetchfield(0, 0) > 0);
104 // Adds a bookmark to the database.
105 // Note that date is expected to be a string that's interpretable by strtotime().
106 function addBookmark($address, $title, $description, $status, $categories, $date = NULL, $fromApi = false, $fromImport = false) {
107 $userservice = & ServiceFactory :: getServiceInstance('UserService');
108 $sId = $userservice->getCurrentUserId();
110 // If bookmark address doesn't contain ":", add "http://" to the start as a default protocol
111 if (strpos($address, ':') === false) {
112 $address = 'http://'. $address;
115 // Get the client's IP address and the date; note that the date is in GMT.
116 if (getenv('HTTP_CLIENT_IP'))
117 $ip = getenv('HTTP_CLIENT_IP');
119 if (getenv('REMOTE_ADDR'))
120 $ip = getenv('REMOTE_ADDR');
122 $ip = getenv('HTTP_X_FORWARDED_FOR');
124 // Note that if date is NULL, then it's added with a date and time of now, and if it's present,
125 // it's expected to be a string that's interpretable by strtotime().
129 $time = strtotime($date);
130 $datetime = gmdate('Y-m-d H:i:s', $time);
132 // Set up the SQL insert statement and execute it.
133 $values = array('uId' => intval($sId), 'bIp' => $ip, 'bDatetime' => $datetime, 'bModified' => $datetime, 'bTitle' => $title, 'bAddress' => $address, 'bDescription' => $description, 'bStatus' => intval($status), 'bHash' => md5($address));
134 $sql = 'INSERT INTO '. $GLOBALS['tableprefix'] .'bookmarks '. $this->db->sql_build_array('INSERT', $values);
135 $this->db->sql_transaction('begin');
136 if (!($dbresult = & $this->db->sql_query($sql))) {
137 $this->db->sql_transaction('rollback');
138 message_die(GENERAL_ERROR, 'Could not insert bookmark', '', __LINE__, __FILE__, $sql, $this->db);
141 // Get the resultant row ID for the bookmark.
142 $bId = $this->db->sql_nextid($dbresult);
143 if (!isset($bId) || !is_int($bId)) {
144 $this->db->sql_transaction('rollback');
145 message_die(GENERAL_ERROR, 'Could not insert bookmark', '', __LINE__, __FILE__, $sql, $this->db);
149 $uriparts = explode('.', $address);
150 $extension = end($uriparts);
153 $tagservice = & ServiceFactory :: getServiceInstance('TagService');
154 if (!$tagservice->attachTags($bId, $categories, $fromApi, $extension, false, $fromImport)) {
155 $this->db->sql_transaction('rollback');
156 message_die(GENERAL_ERROR, 'Could not insert bookmark', '', __LINE__, __FILE__, $sql, $this->db);
159 $this->db->sql_transaction('commit');
160 // Everything worked out, so return the new bookmark's bId.
164 function updateBookmark($bId, $address, $title, $description, $status, $categories, $date = NULL, $fromApi = false) {
165 if (!is_numeric($bId))
168 // Get the client's IP address and the date; note that the date is in GMT.
169 if (getenv('HTTP_CLIENT_IP'))
170 $ip = getenv('HTTP_CLIENT_IP');
172 if (getenv('REMOTE_ADDR'))
173 $ip = getenv('REMOTE_ADDR');
175 $ip = getenv('HTTP_X_FORWARDED_FOR');
177 $moddatetime = gmdate('Y-m-d H:i:s', time());
179 // Set up the SQL update statement and execute it.
180 $updates = array('bModified' => $moddatetime, 'bTitle' => $title, 'bAddress' => $address, 'bDescription' => $description, 'bStatus' => $status, 'bHash' => md5($address));
182 if (!is_null($date)) {
183 $updates['bDateTime'] = gmdate('Y-m-d H:i:s', strtotime($date));
186 $sql = 'UPDATE '. $GLOBALS['tableprefix'] .'bookmarks SET '. $this->db->sql_build_array('UPDATE', $updates) .' WHERE bId = '. intval($bId);
187 $this->db->sql_transaction('begin');
189 if (!($dbresult = & $this->db->sql_query($sql))) {
190 $this->db->sql_transaction('rollback');
191 message_die(GENERAL_ERROR, 'Could not update bookmark', '', __LINE__, __FILE__, $sql, $this->db);
195 $uriparts = explode('.', $address);
196 $extension = end($uriparts);
199 $tagservice = & ServiceFactory :: getServiceInstance('TagService');
200 if (!$tagservice->attachTags($bId, $categories, $fromApi, $extension)) {
201 $this->db->sql_transaction('rollback');
202 message_die(GENERAL_ERROR, 'Could not update bookmark', '', __LINE__, __FILE__, $sql, $this->db);
206 $this->db->sql_transaction('commit');
207 // Everything worked out, so return true.
211 function & getBookmarks($start = 0, $perpage = NULL, $user = NULL, $tags = NULL, $terms = NULL, $sortOrder = NULL, $watched = NULL, $startdate = NULL, $enddate = NULL, $hash = NULL) {
212 // Only get the bookmarks that are visible to the current user. Our rules:
213 // - if the $user is NULL, that means get bookmarks from ALL users, so we need to make
214 // sure to check the logged-in user's watchlist and get the contacts-only bookmarks from
215 // those users. If the user isn't logged-in, just get the public bookmarks.
216 // - if the $user is set and isn't the logged-in user, then get that user's bookmarks, and
217 // if that user is on the logged-in user's watchlist, get the public AND contacts-only
218 // bookmarks; otherwise, just get the public bookmarks.
219 // - if the $user is set and IS the logged-in user, then get all bookmarks.
220 $userservice =& ServiceFactory::getServiceInstance('UserService');
221 $tagservice =& ServiceFactory::getServiceInstance('TagService');
222 $sId = $userservice->getCurrentUserId();
224 if ($userservice->isLoggedOn()) {
225 // All public bookmarks, user's own bookmarks and any shared with user
226 $privacy = ' AND ((B.bStatus = 0) OR (B.uId = '. $sId .')';
227 $watchnames = $userservice->getWatchNames($sId, true);
228 foreach($watchnames as $watchuser) {
229 $privacy .= ' OR (U.username = "'. $watchuser .'" AND B.bStatus = 1)';
233 // Just public bookmarks
234 $privacy = ' AND B.bStatus = 0';
237 // Set up the tags, if need be.
238 if (!is_array($tags) && !is_null($tags)) {
239 $tags = explode('+', trim($tags));
242 $tagcount = count($tags);
243 for ($i = 0; $i < $tagcount; $i ++) {
244 $tags[$i] = trim($tags[$i]);
247 // Set up the SQL query.
248 $query_1 = 'SELECT DISTINCT ';
249 if (SQL_LAYER == 'mysql4') {
250 $query_1 .= 'SQL_CALC_FOUND_ROWS ';
252 $query_1 .= 'B.*, U.'. $userservice->getFieldName('username');
254 $query_2 = ' FROM '. $userservice->getTableName() .' AS U, '. $GLOBALS['tableprefix'] .'bookmarks AS B';
256 $query_3 = ' WHERE B.uId = U.'. $userservice->getFieldName('primary') . $privacy;
257 if (is_null($watched)) {
258 if (!is_null($user)) {
259 $query_3 .= ' AND B.uId = '. $user;
262 $arrWatch = $userservice->getWatchlist($user);
263 if (count($arrWatch) > 0) {
264 foreach($arrWatch as $row) {
265 $query_3_1 .= 'B.uId = '. intval($row) .' OR ';
267 $query_3_1 = substr($query_3_1, 0, -3);
269 $query_3_1 = 'B.uId = -1';
271 $query_3 .= ' AND ('. $query_3_1 .') AND B.bStatus IN (0, 1)';
276 $query_5 = ' ORDER BY B.bDatetime ASC ';
279 $query_5 = ' ORDER BY B.bTitle DESC ';
282 $query_5 = ' ORDER BY B.bTitle ASC ';
285 $query_5 = ' ORDER BY B.bAddress DESC ';
288 $query_5 = ' ORDER BY B.bAddress ASC ';
291 $query_5 = ' ORDER BY B.bDatetime DESC ';
294 // Handle the parts of the query that depend on any tags that are present.
296 for ($i = 0; $i < $tagcount; $i ++) {
297 $query_2 .= ', '. $GLOBALS['tableprefix'] .'tags AS T'. $i;
298 $query_4 .= ' AND T'. $i .'.tag = "'. $this->db->sql_escape($tags[$i]) .'" AND T'. $i .'.bId = B.bId';
303 // Multiple search terms okay
304 $aTerms = explode(' ', $terms);
305 $aTerms = array_map('trim', $aTerms);
307 // Search terms in tags as well when none given
309 $query_2 .= ' LEFT JOIN '. $GLOBALS['tableprefix'] .'tags AS T ON B.bId = T.bId';
316 for ($i = 0; $i < count($aTerms); $i++) {
317 $query_4 .= ' AND (B.bTitle LIKE "%'. $this->db->sql_escape($aTerms[$i]) .'%"';
318 $query_4 .= ' OR B.bDescription LIKE "%'. $this->db->sql_escape($aTerms[$i]) .'%"';
320 $query_4 .= ' OR T.tag = "'. $this->db->sql_escape($aTerms[$i]) .'"';
326 // Start and end dates
328 $query_4 .= ' AND B.bDatetime > "'. $startdate .'"';
331 $query_4 .= ' AND B.bDatetime < "'. $enddate .'"';
336 $query_4 .= ' AND B.bHash = "'. $hash .'"';
339 $query = $query_1 . $query_2 . $query_3 . $query_4 . $query_5;
340 if (!($dbresult = & $this->db->sql_query_limit($query, intval($perpage), intval($start)))) {
341 message_die(GENERAL_ERROR, 'Could not get bookmarks', '', __LINE__, __FILE__, $query, $this->db);
345 if (SQL_LAYER == 'mysql4') {
346 $totalquery = 'SELECT FOUND_ROWS() AS total';
348 $totalquery = 'SELECT COUNT(*) AS total'. $query_2 . $query_3 . $query_4;
351 if (!($totalresult = & $this->db->sql_query($totalquery)) || (!($row = & $this->db->sql_fetchrow($totalresult)))) {
352 message_die(GENERAL_ERROR, 'Could not get total bookmarks', '', __LINE__, __FILE__, $totalquery, $this->db);
356 $total = $row['total'];
358 $bookmarks = array();
359 while ($row = & $this->db->sql_fetchrow($dbresult)) {
360 $row['tags'] = $tagservice->getTagsForBookmark(intval($row['bId']));
363 return array ('bookmarks' => $bookmarks, 'total' => $total);
366 function deleteBookmark($bookmarkid) {
367 $query = 'DELETE FROM '. $GLOBALS['tableprefix'] .'bookmarks WHERE bId = '. intval($bookmarkid);
368 $this->db->sql_transaction('begin');
369 if (!($dbresult = & $this->db->sql_query($query))) {
370 $this->db->sql_transaction('rollback');
371 message_die(GENERAL_ERROR, 'Could not delete bookmarks', '', __LINE__, __FILE__, $query, $this->db);
375 $query = 'DELETE FROM '. $GLOBALS['tableprefix'] .'tags WHERE bId = '. intval($bookmarkid);
376 $this->db->sql_transaction('begin');
377 if (!($dbresult = & $this->db->sql_query($query))) {
378 $this->db->sql_transaction('rollback');
379 message_die(GENERAL_ERROR, 'Could not delete bookmarks', '', __LINE__, __FILE__, $query, $this->db);
383 $this->db->sql_transaction('commit');
387 function countOthers($address) {
392 $userservice = & ServiceFactory :: getServiceInstance('UserService');
393 $sId = $userservice->getCurrentUserId();
395 if ($userservice->isLoggedOn()) {
396 // All public bookmarks, user's own bookmarks and any shared with user
397 $privacy = ' AND ((B.bStatus = 0) OR (B.uId = '. $sId .')';
398 $watchnames = $userservice->getWatchNames($sId, true);
399 foreach($watchnames as $watchuser) {
400 $privacy .= ' OR (U.username = "'. $watchuser .'" AND B.bStatus = 1)';
404 // Just public bookmarks
405 $privacy = ' AND B.bStatus = 0';
408 $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) .'"'. $privacy;
409 if (!($dbresult = & $this->db->sql_query($sql))) {
410 message_die(GENERAL_ERROR, 'Could not get vars', '', __LINE__, __FILE__, $sql, $this->db);
412 return $this->db->sql_fetchfield(0, 0) - 1;