4 * @file src/Model/Item.php
7 namespace Friendica\Model;
10 use Friendica\BaseObject;
11 use Friendica\Content\Text;
12 use Friendica\Core\Addon;
13 use Friendica\Core\Config;
14 use Friendica\Core\L10n;
15 use Friendica\Core\Lock;
16 use Friendica\Core\PConfig;
17 use Friendica\Core\System;
18 use Friendica\Core\Worker;
19 use Friendica\Database\DBM;
20 use Friendica\Object\Image;
21 use Friendica\Protocol\Diaspora;
22 use Friendica\Protocol\OStatus;
23 use Friendica\Util\DateTimeFormat;
24 use Friendica\Util\XML;
25 use Text_LanguageDetect;
27 require_once 'boot.php';
28 require_once 'include/items.php';
29 require_once 'include/text.php';
31 class Item extends BaseObject
33 // Field list that is used to display the items
34 const DISPLAY_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network',
35 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
36 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
37 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
38 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
39 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
40 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
41 'contact-id', 'contact-link', 'contact-name', 'contact-avatar',
42 'writable', 'self', 'cid', 'alias',
43 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
44 'event-summary', 'event-desc', 'event-location', 'event-type',
45 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
47 // Field list that is used to deliver items via the protocols
48 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
49 'created', 'edited', 'verb', 'object-type', 'object', 'target',
50 'private', 'title', 'body', 'location', 'coord', 'app',
51 'attach', 'tag', 'bookmark', 'deleted', 'extid',
52 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
53 'author-id', 'author-link', 'owner-link', 'contact-uid',
54 'signed_text', 'signature', 'signer', 'network'];
56 // Field list for "item-content" table that is mixed with the item table
57 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
58 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
59 'object-type', 'object', 'target-type', 'target', 'plink'];
61 // Field list for "item-content" table that is not present in the "item" table
62 const CONTENT_FIELDLIST = ['language'];
64 // All fields in the item table
65 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
66 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid',
67 'created', 'edited', 'commented', 'received', 'changed', 'verb',
68 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
69 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
70 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
71 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
72 'title', 'content-warning', 'body', 'location', 'coord', 'app',
73 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
74 'author-id', 'author-link', 'author-name', 'author-avatar',
75 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
77 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
78 // The item-activity table only stores the index and needs this array to know the matching activity.
79 const ACTIVITIES = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
82 * @brief returns an activity index from an activity string
84 * @param string $activity activity string
85 * @return integer Activity index
87 private static function activityToIndex($activity)
89 $index = array_search($activity, self::ACTIVITIES);
91 if (is_bool($index)) {
99 * @brief returns an activity string from an activity index
101 * @param integer $index activity index
102 * @return string Activity string
104 private static function indexToActivity($index)
106 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
110 return self::ACTIVITIES[$index];
114 * @brief Fetch a single item row
116 * @param mixed $stmt statement object
117 * @return array current row
119 public static function fetch($stmt)
121 $row = dba::fetch($stmt);
127 // ---------------------- Transform item structure data ----------------------
129 // We prefer the data from the user's contact over the public one
130 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
131 ($row['author-link'] == $row['contact-link'])) {
132 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
133 $row['author-avatar'] = $row['contact-avatar'];
135 if (isset($row['author-name']) && !empty($row['contact-name'])) {
136 $row['author-name'] = $row['contact-name'];
140 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
141 ($row['owner-link'] == $row['contact-link'])) {
142 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
143 $row['owner-avatar'] = $row['contact-avatar'];
145 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
146 $row['owner-name'] = $row['contact-name'];
150 // We can always comment on posts from these networks
151 if (array_key_exists('writable', $row) &&
152 in_array($row['internal-network'], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
153 $row['writable'] = true;
156 // ---------------------- Transform item content data ----------------------
158 // Fetch data from the item-content table whenever there is content there
159 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
160 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
161 $row[$field] = $row['internal-item-' . $field];
163 unset($row['internal-item-' . $field]);
166 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
167 $row['verb'] = self::indexToActivity($row['internal-activity']);
168 if (array_key_exists('title', $row)) {
171 if (array_key_exists('body', $row)) {
172 $row['body'] = $row['verb'];
174 if (array_key_exists('object', $row)) {
177 if (array_key_exists('object-type', $row)) {
178 $row['object-type'] = ACTIVITY_OBJ_NOTE;
180 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
181 // Posts don't have an object or target - but having tags or files.
182 // We safe some performance by building tag and file strings only here.
183 // We remove object and target since they aren't used for this type.
184 if (array_key_exists('object', $row)) {
187 if (array_key_exists('target', $row)) {
192 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
193 // Build the tag string out of the term entries
194 if (array_key_exists('tag', $row) && empty($row['tag'])) {
195 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
198 // Build the file string out of the term entries
199 if (array_key_exists('file', $row) && empty($row['file'])) {
200 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
204 // Remove internal fields
205 unset($row['internal-activity']);
206 unset($row['internal-network']);
207 unset($row['internal-iid']);
208 unset($row['internal-iaid']);
209 unset($row['internal-icid']);
215 * @brief Fills an array with data from an item query
217 * @param object $stmt statement object
218 * @return array Data array
220 public static function inArray($stmt, $do_close = true) {
221 if (is_bool($stmt)) {
226 while ($row = self::fetch($stmt)) {
236 * @brief Check if item data exists
238 * @param array $condition array of fields for condition
240 * @return boolean Are there rows for that condition?
242 public static function exists($condition) {
243 $stmt = self::select(['id'], $condition, ['limit' => 1]);
245 if (is_bool($stmt)) {
248 $retval = (dba::num_rows($stmt) > 0);
257 * Retrieve a single record from the item table for a given user and returns it in an associative array
259 * @brief Retrieve a single record from a table
260 * @param integer $uid User ID
261 * @param array $fields
262 * @param array $condition
263 * @param array $params
267 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
269 $params['uid'] = $uid;
271 if (empty($selected)) {
272 $selected = Item::DISPLAY_FIELDLIST;
275 return self::selectFirst($selected, $condition, $params);
279 * @brief Select rows from the item table for a given user
281 * @param integer $uid User ID
282 * @param array $selected Array of selected fields, empty for all
283 * @param array $condition Array of fields for condition
284 * @param array $params Array of several parameters
286 * @return boolean|object
288 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
290 $params['uid'] = $uid;
292 if (empty($selected)) {
293 $selected = Item::DISPLAY_FIELDLIST;
296 return self::select($selected, $condition, $params);
300 * Retrieve a single record from the item table and returns it in an associative array
302 * @brief Retrieve a single record from a table
303 * @param array $fields
304 * @param array $condition
305 * @param array $params
309 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
311 $params['limit'] = 1;
313 $result = self::select($fields, $condition, $params);
315 if (is_bool($result)) {
318 $row = self::fetch($result);
325 * @brief Select rows from the item table
327 * @param array $selected Array of selected fields, empty for all
328 * @param array $condition Array of fields for condition
329 * @param array $params Array of several parameters
331 * @return boolean|object
333 public static function select(array $selected = [], array $condition = [], $params = [])
338 if (isset($params['uid'])) {
339 $uid = $params['uid'];
343 $fields = self::fieldlist($selected);
345 $select_fields = self::constructSelectFields($fields, $selected);
347 $condition_string = dba::buildCondition($condition);
349 $condition_string = self::addTablesToFields($condition_string, $fields);
352 $condition_string = $condition_string . ' AND ' . self::condition(false);
355 $param_string = self::addTablesToFields(dba::buildParameter($params), $fields);
357 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
359 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
361 return dba::p($sql, $condition);
365 * @brief Select rows from the starting post in the item table
367 * @param integer $uid User ID
368 * @param array $fields Array of selected fields, empty for all
369 * @param array $condition Array of fields for condition
370 * @param array $params Array of several parameters
372 * @return boolean|object
374 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
376 $params['uid'] = $uid;
378 if (empty($selected)) {
379 $selected = Item::DISPLAY_FIELDLIST;
382 return self::selectThread($selected, $condition, $params);
386 * Retrieve a single record from the starting post in the item table and returns it in an associative array
388 * @brief Retrieve a single record from a table
389 * @param integer $uid User ID
390 * @param array $selected
391 * @param array $condition
392 * @param array $params
396 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
398 $params['uid'] = $uid;
400 if (empty($selected)) {
401 $selected = Item::DISPLAY_FIELDLIST;
404 return self::selectFirstThread($selected, $condition, $params);
408 * Retrieve a single record from the starting post in the item table and returns it in an associative array
410 * @brief Retrieve a single record from a table
411 * @param array $fields
412 * @param array $condition
413 * @param array $params
417 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
419 $params['limit'] = 1;
420 $result = self::selectThread($fields, $condition, $params);
422 if (is_bool($result)) {
425 $row = self::fetch($result);
432 * @brief Select rows from the starting post in the item table
434 * @param array $selected Array of selected fields, empty for all
435 * @param array $condition Array of fields for condition
436 * @param array $params Array of several parameters
438 * @return boolean|object
440 public static function selectThread(array $selected = [], array $condition = [], $params = [])
445 if (isset($params['uid'])) {
446 $uid = $params['uid'];
450 $fields = self::fieldlist($selected);
452 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
453 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
454 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'bookmark',
455 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
457 $select_fields = self::constructSelectFields($fields, $selected);
459 $condition_string = dba::buildCondition($condition);
461 $condition_string = self::addTablesToFields($condition_string, $threadfields);
462 $condition_string = self::addTablesToFields($condition_string, $fields);
465 $condition_string = $condition_string . ' AND ' . self::condition(true);
468 $param_string = dba::buildParameter($params);
469 $param_string = self::addTablesToFields($param_string, $threadfields);
470 $param_string = self::addTablesToFields($param_string, $fields);
472 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
474 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
476 return dba::p($sql, $condition);
480 * @brief Returns a list of fields that are associated with the item table
482 * @return array field list
484 private static function fieldlist($selected)
488 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
489 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
490 'created', 'edited', 'commented', 'received', 'changed', 'postopts',
491 'resource-id', 'event-id', 'tag', 'attach', 'inform',
492 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
493 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
494 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
495 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
496 'network' => 'internal-network', 'icid' => 'internal-icid',
497 'iaid' => 'internal-iaid'];
499 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
501 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
503 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
504 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
506 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
507 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
509 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
510 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
511 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
513 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
515 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
517 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
518 'start' => 'event-start','finish' => 'event-finish',
519 'summary' => 'event-summary','desc' => 'event-desc',
520 'location' => 'event-location', 'type' => 'event-type',
521 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
522 'ignore' => 'event-ignore', 'id' => 'event-id'];
524 $fields['sign'] = ['signed_text', 'signature', 'signer'];
530 * @brief Returns SQL condition for the "select" functions
532 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
534 * @return string SQL condition
536 private static function condition($thread_mode)
539 $master_table = "`thread`";
541 $master_table = "`item`";
543 return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) ";
547 * @brief Returns all needed "JOIN" commands for the "select" functions
549 * @param integer $uid User ID
550 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
551 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
553 * @return string The SQL joins for the "select" functions
555 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
558 $master_table = "`thread`";
559 $master_table_key = "`thread`.`iid`";
560 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
562 $master_table = "`item`";
563 $master_table_key = "`item`.`id`";
568 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
569 AND NOT `contact`.`blocked`
570 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
571 OR `contact`.`self` OR (`item`.`id` != `item`.`parent`) OR `contact`.`uid` = 0)
572 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
573 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
574 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d",
575 CONTACT_IS_SHARING, CONTACT_IS_FRIEND, intval($uid));
577 if (strpos($sql_commands, "`contact`.") !== false) {
578 $joins .= "STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
580 if (strpos($sql_commands, "`author`.") !== false) {
581 $joins .= " STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
583 if (strpos($sql_commands, "`owner`.") !== false) {
584 $joins .= " STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
588 if (strpos($sql_commands, "`group_member`.") !== false) {
589 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
592 if (strpos($sql_commands, "`user`.") !== false) {
593 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
596 if (strpos($sql_commands, "`event`.") !== false) {
597 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
600 if (strpos($sql_commands, "`sign`.") !== false) {
601 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
604 if (strpos($sql_commands, "`item-activity`.") !== false) {
605 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`id` = `item`.`iaid`";
608 if (strpos($sql_commands, "`item-content`.") !== false) {
609 $joins .= " LEFT JOIN `item-content` ON `item-content`.`id` = `item`.`icid`";
612 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
613 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
616 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
617 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
624 * @brief Add the field list for the "select" functions
626 * @param array $fields The field definition array
627 * @param array $selected The array with the selected fields from the "select" functions
629 * @return string The field list
631 private static function constructSelectFields($fields, $selected)
633 if (!empty($selected)) {
634 $selected[] = 'internal-iid';
635 $selected[] = 'internal-iaid';
636 $selected[] = 'internal-icid';
637 $selected[] = 'internal-network';
640 if (in_array('verb', $selected)) {
641 $selected[] = 'internal-activity';
645 foreach ($fields as $table => $table_fields) {
646 foreach ($table_fields as $field => $select) {
647 if (empty($selected) || in_array($select, $selected)) {
648 if (in_array($select, self::MIXED_CONTENT_FIELDLIST)) {
649 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
651 if (is_int($field)) {
652 $selection[] = "`" . $table . "`.`" . $select . "`";
654 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
659 return implode(", ", $selection);
663 * @brief add table definition to fields in an SQL query
665 * @param string $query SQL query
666 * @param array $fields The field definition array
668 * @return string the changed SQL query
670 private static function addTablesToFields($query, $fields)
672 foreach ($fields as $table => $table_fields) {
673 foreach ($table_fields as $alias => $field) {
674 if (is_int($alias)) {
675 $replace_field = $field;
677 $replace_field = $alias;
680 $search = "/([^\.])`" . $field . "`/i";
681 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
682 $query = preg_replace($search, $replace, $query);
689 * @brief Update existing item entries
691 * @param array $fields The fields that are to be changed
692 * @param array $condition The condition for finding the item entries
694 * In the future we may have to change permissions as well.
695 * Then we had to add the user id as third parameter.
697 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
699 * @return integer|boolean number of affected rows - or "false" if there was an error
701 public static function update(array $fields, array $condition)
703 if (empty($condition) || empty($fields)) {
707 // To ensure the data integrity we do it in an transaction
710 // We cannot simply expand the condition to check for origin entries
711 // The condition needn't to be a simple array but could be a complex condition.
712 // And we have to execute this query before the update to ensure to fetch the same data.
713 $items = dba::select('item', ['id', 'origin', 'uri', 'plink', 'iaid', 'icid', 'tag', 'file'], $condition);
715 $content_fields = [];
716 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
717 if (isset($fields[$field])) {
718 $content_fields[$field] = $fields[$field];
719 if (in_array($field, self::CONTENT_FIELDLIST)) {
720 unset($fields[$field]);
722 $fields[$field] = null;
727 $author_owner_fields = ['author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link'];
728 foreach ($author_owner_fields as $field) {
729 if (array_key_exists($field, $fields)) {
730 $fields[$field] = null;
734 if (array_key_exists('tag', $fields)) {
735 $tags = $fields['tag'];
736 $fields['tag'] = null;
741 if (array_key_exists('file', $fields)) {
742 $files = $fields['file'];
743 $fields['file'] = null;
748 if (!empty($fields)) {
749 $success = dba::update('item', $fields, $condition);
758 // When there is no content for the "old" item table, this will count the fetched items
759 $rows = dba::affected_rows();
761 while ($item = dba::fetch($items)) {
762 if (!empty($item['plink'])) {
763 $content_fields['plink'] = $item['plink'];
765 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
766 self::updateActivity($content_fields, ['uri' => $item['uri']]);
768 if (empty($item['iaid'])) {
769 $item_activity = dba::selectFirst('item-activity', ['id'], ['uri' => $item['uri']]);
770 if (DBM::is_result($item_activity)) {
771 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
772 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
773 $item_fields[$field] = '';
775 dba::update('item', $item_fields, ['id' => $item['id']]);
777 if (!empty($item['icid']) && !dba::exists('item', ['icid' => $item['icid']])) {
778 dba::delete('item-content', ['id' => $item['icid']]);
781 } elseif (!empty($item['icid'])) {
782 dba::update('item', ['icid' => null], ['id' => $item['id']]);
784 if (!dba::exists('item', ['icid' => $item['icid']])) {
785 dba::delete('item-content', ['id' => $item['icid']]);
789 self::updateContent($content_fields, ['uri' => $item['uri']]);
791 if (empty($item['icid'])) {
792 $item_content = dba::selectFirst('item-content', [], ['uri' => $item['uri']]);
793 if (DBM::is_result($item_content)) {
794 $item_fields = ['icid' => $item_content['id']];
795 // Clear all fields in the item table that have a content in the item-content table
796 foreach ($item_content as $field => $content) {
797 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
798 $item_fields[$field] = '';
801 dba::update('item', $item_fields, ['id' => $item['id']]);
807 Term::insertFromTagFieldByItemId($item['id'], $tags);
808 if (!empty($item['tag'])) {
809 dba::update('item', ['tag' => ''], ['id' => $item['id']]);
813 if (!empty($files)) {
814 Term::insertFromFileFieldByItemId($item['id'], $files);
815 if (!empty($item['file'])) {
816 dba::update('item', ['file' => ''], ['id' => $item['id']]);
820 self::updateThread($item['id']);
822 // We only need to notfiy others when it is an original entry from us.
823 // Only call the notifier when the item has some content relevant change.
824 if ($item['origin'] && in_array('edited', array_keys($fields))) {
825 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
835 * @brief Delete an item and notify others about it - if it was ours
837 * @param array $condition The condition for finding the item entries
838 * @param integer $priority Priority for the notification
840 public static function delete($condition, $priority = PRIORITY_HIGH)
842 $items = dba::select('item', ['id'], $condition);
843 while ($item = dba::fetch($items)) {
844 self::deleteById($item['id'], $priority);
850 * @brief Delete an item for an user and notify others about it - if it was ours
852 * @param array $condition The condition for finding the item entries
853 * @param integer $uid User who wants to delete this item
855 public static function deleteForUser($condition, $uid)
861 $items = dba::select('item', ['id', 'uid'], $condition);
862 while ($item = dba::fetch($items)) {
863 // "Deleting" global items just means hiding them
864 if ($item['uid'] == 0) {
865 dba::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
866 } elseif ($item['uid'] == $uid) {
867 self::deleteById($item['id'], PRIORITY_HIGH);
869 logger('Wrong ownership. Not deleting item ' . $item['id']);
876 * @brief Delete an item and notify others about it - if it was ours
878 * @param integer $item_id Item ID that should be delete
879 * @param integer $priority Priority for the notification
881 * @return boolean success
883 private static function deleteById($item_id, $priority = PRIORITY_HIGH)
885 // locate item to be deleted
886 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
887 'deleted', 'file', 'resource-id', 'event-id', 'attach',
888 'verb', 'object-type', 'object', 'target', 'contact-id'];
889 $item = self::selectFirst($fields, ['id' => $item_id]);
890 if (!DBM::is_result($item)) {
891 logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG);
895 if ($item['deleted']) {
896 logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG);
900 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
901 if (!DBM::is_result($parent)) {
902 $parent = ['origin' => false];
905 // clean up categories and tags so they don't end up as orphans
908 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
910 foreach ($matches as $mtch) {
911 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
917 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
919 foreach ($matches as $mtch) {
920 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
925 * If item is a link to a photo resource, nuke all the associated photos
926 * (visitors will not have photo resources)
927 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
928 * generate a resource-id and therefore aren't intimately linked to the item.
930 if (strlen($item['resource-id'])) {
931 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
934 // If item is a link to an event, delete the event.
935 if (intval($item['event-id'])) {
936 Event::delete($item['event-id']);
939 // If item has attachments, drop them
940 foreach (explode(", ", $item['attach']) as $attach) {
941 preg_match("|attach/(\d+)|", $attach, $matches);
942 if (is_array($matches) && count($matches) > 1) {
943 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
947 // Delete tags that had been attached to other items
948 self::deleteTagsFromItem($item);
950 // Set the item to "deleted"
951 // This erasing of item content is superfluous for items with a matching item-content.
952 // But for the next time we will still have old content in the item table.
953 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow(),
954 'body' => '', 'title' => '', 'content-warning' => '', 'rendered-hash' => '', 'rendered-html' => '',
955 'object' => '', 'target' => '', 'tag' => '', 'postopts' => '', 'attach' => '', 'file' => ''];
956 dba::update('item', $item_fields, ['id' => $item['id']]);
958 Term::insertFromTagFieldByItemId($item['id'], '');
959 Term::insertFromFileFieldByItemId($item['id'], '');
960 self::deleteThread($item['id'], $item['parent-uri']);
962 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
963 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
966 // If it's the parent of a comment thread, kill all the kids
967 if ($item['id'] == $item['parent']) {
968 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
971 // Is it our comment and/or our thread?
972 if ($item['origin'] || $parent['origin']) {
974 // When we delete the original post we will delete all existing copies on the server as well
975 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
977 // send the notification upstream/downstream
978 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
979 } elseif ($item['uid'] != 0) {
981 // When we delete just our local user copy of an item, we have to set a marker to hide it
982 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
983 if (DBM::is_result($global_item)) {
984 dba::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
988 logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG);
993 private static function deleteTagsFromItem($item)
995 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
999 $xo = XML::parseString($item["object"], false);
1000 $xt = XML::parseString($item["target"], false);
1002 if ($xt->type != ACTIVITY_OBJ_NOTE) {
1006 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1007 if (!DBM::is_result($i)) {
1011 // For tags, the owner cannot remove the tag on the author's copy of the post.
1012 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1013 $author_copy = $item["origin"];
1015 if (($owner_remove && $author_copy) || !$owner_remove) {
1019 $tags = explode(',', $i["tag"]);
1022 foreach ($tags as $tag) {
1023 if (trim($tag) !== trim($xo->body)) {
1024 $newtags[] = trim($tag);
1028 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1031 private static function guid($item, $notify)
1033 if (!empty($item['guid'])) {
1034 return notags(trim($item['guid']));
1038 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1039 // We add the hash of our own host because our host is the original creator of the post.
1040 $prefix_host = get_app()->get_hostname();
1044 // We are only storing the post so we create a GUID from the original hostname.
1045 if (!empty($item['author-link'])) {
1046 $parsed = parse_url($item['author-link']);
1047 if (!empty($parsed['host'])) {
1048 $prefix_host = $parsed['host'];
1052 if (empty($prefix_host) && !empty($item['plink'])) {
1053 $parsed = parse_url($item['plink']);
1054 if (!empty($parsed['host'])) {
1055 $prefix_host = $parsed['host'];
1059 if (empty($prefix_host) && !empty($item['uri'])) {
1060 $parsed = parse_url($item['uri']);
1061 if (!empty($parsed['host'])) {
1062 $prefix_host = $parsed['host'];
1066 // Is it in the format data@host.tld? - Used for mail contacts
1067 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1068 $mailparts = explode('@', $item['author-link']);
1069 $prefix_host = array_pop($mailparts);
1073 if (!empty($item['plink'])) {
1074 $guid = self::guidFromUri($item['plink'], $prefix_host);
1075 } elseif (!empty($item['uri'])) {
1076 $guid = self::guidFromUri($item['uri'], $prefix_host);
1078 $guid = System::createGUID(32, hash('crc32', $prefix_host));
1084 private static function contactId($item)
1086 $contact_id = (int)$item["contact-id"];
1088 if (!empty($contact_id)) {
1091 logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG);
1093 * First we are looking for a suitable contact that matches with the author of the post
1094 * This is done only for comments
1096 if ($item['parent-uri'] != $item['uri']) {
1097 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1100 // If not present then maybe the owner was found
1101 if ($contact_id == 0) {
1102 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
1105 // Still missing? Then use the "self" contact of the current user
1106 if ($contact_id == 0) {
1107 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
1108 if (DBM::is_result($self)) {
1109 $contact_id = $self["id"];
1112 logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG);
1117 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1121 // If it is a posting where users should get notifications, then define it as wall posting
1124 $item['type'] = 'wall';
1125 $item['origin'] = 1;
1126 $item['network'] = NETWORK_DFRN;
1127 $item['protocol'] = PROTOCOL_DFRN;
1129 if (is_int($notify)) {
1130 $priority = $notify;
1132 $priority = PRIORITY_HIGH;
1135 $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM));
1138 $item['guid'] = self::guid($item, $notify);
1139 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
1141 // Store conversation data
1142 $item = Conversation::insert($item);
1145 * If a Diaspora signature structure was passed in, pull it out of the
1146 * item array and set it aside for later storage.
1150 if (x($item, 'dsprsig')) {
1151 $encoded_signature = $item['dsprsig'];
1152 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1153 unset($item['dsprsig']);
1156 if (!empty($item['diaspora_signed_text'])) {
1157 $diaspora_signed_text = $item['diaspora_signed_text'];
1158 unset($item['diaspora_signed_text']);
1160 $diaspora_signed_text = '';
1163 // Converting the plink
1164 /// @TODO Check if this is really still needed
1165 if ($item['network'] == NETWORK_OSTATUS) {
1166 if (isset($item['plink'])) {
1167 $item['plink'] = OStatus::convertHref($item['plink']);
1168 } elseif (isset($item['uri'])) {
1169 $item['plink'] = OStatus::convertHref($item['uri']);
1173 if (!empty($item['thr-parent'])) {
1174 $item['parent-uri'] = $item['thr-parent'];
1177 $item['type'] = defaults($item, 'type', 'remote');
1179 if (isset($item['gravity'])) {
1180 $item['gravity'] = intval($item['gravity']);
1181 } elseif ($item['parent-uri'] === $item['uri']) {
1182 $item['gravity'] = GRAVITY_PARENT;
1183 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
1184 $item['gravity'] = GRAVITY_COMMENT;
1185 } elseif ($item['type'] == 'activity') {
1186 $item['gravity'] = GRAVITY_ACTIVITY;
1188 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1189 logger('Unknown gravity for verb: ' . $item['verb'] . ' - type: ' . $item['type'], LOGGER_DEBUG);
1192 $uid = intval($item['uid']);
1194 // check for create date and expire time
1195 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1197 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
1198 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1199 $expire_interval = $user['expire'];
1202 if (($expire_interval > 0) && !empty($item['created'])) {
1203 $expire_date = time() - ($expire_interval * 86400);
1204 $created_date = strtotime($item['created']);
1205 if ($created_date < $expire_date) {
1206 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
1212 * Do we already have this item?
1213 * We have to check several networks since Friendica posts could be repeated
1214 * via OStatus (maybe Diasporsa as well)
1216 if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
1217 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
1218 trim($item['uri']), $item['uid'],
1219 NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS];
1220 $existing = self::selectFirst(['id', 'network'], $condition);
1221 if (DBM::is_result($existing)) {
1222 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1224 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
1227 return $existing["id"];
1231 self::addLanguageToItemArray($item);
1233 $item['wall'] = intval(defaults($item, 'wall', 0));
1234 $item['extid'] = trim(defaults($item, 'extid', ''));
1235 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1236 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1237 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1238 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1239 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1240 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1241 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1242 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
1243 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1244 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1245 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1246 $item['title'] = trim(defaults($item, 'title', ''));
1247 $item['location'] = trim(defaults($item, 'location', ''));
1248 $item['coord'] = trim(defaults($item, 'coord', ''));
1249 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
1250 $item['deleted'] = 0;
1251 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1252 $item['verb'] = trim(defaults($item, 'verb', ''));
1253 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1254 $item['object'] = trim(defaults($item, 'object', ''));
1255 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1256 $item['target'] = trim(defaults($item, 'target', ''));
1257 $item['plink'] = trim(defaults($item, 'plink', ''));
1258 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1259 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1260 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1261 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1262 $item['private'] = intval(defaults($item, 'private', 0));
1263 $item['bookmark'] = intval(defaults($item, 'bookmark', 0));
1264 $item['body'] = trim(defaults($item, 'body', ''));
1265 $item['tag'] = trim(defaults($item, 'tag', ''));
1266 $item['attach'] = trim(defaults($item, 'attach', ''));
1267 $item['app'] = trim(defaults($item, 'app', ''));
1268 $item['origin'] = intval(defaults($item, 'origin', 0));
1269 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1270 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1271 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1272 $item['inform'] = trim(defaults($item, 'inform', ''));
1273 $item['file'] = trim(defaults($item, 'file', ''));
1275 // When there is no content then we don't post it
1276 if ($item['body'].$item['title'] == '') {
1277 logger('No body, no title.');
1281 // Items cannot be stored before they happen ...
1282 if ($item['created'] > DateTimeFormat::utcNow()) {
1283 $item['created'] = DateTimeFormat::utcNow();
1286 // We haven't invented time travel by now.
1287 if ($item['edited'] > DateTimeFormat::utcNow()) {
1288 $item['edited'] = DateTimeFormat::utcNow();
1291 if (($item['author-link'] == "") && ($item['owner-link'] == "")) {
1292 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
1295 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1297 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1298 $item["contact-id"] = self::contactId($item);
1300 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1301 'photo' => $item['author-avatar'], 'network' => $item['network']];
1303 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
1305 if (Contact::isBlocked($item["author-id"])) {
1306 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
1310 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1311 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1313 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
1315 if (Contact::isBlocked($item["owner-id"])) {
1316 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
1320 // These fields aren't stored anymore in the item table, they are fetched upon request
1321 unset($item['author-link']);
1322 unset($item['author-name']);
1323 unset($item['author-avatar']);
1325 unset($item['owner-link']);
1326 unset($item['owner-name']);
1327 unset($item['owner-avatar']);
1329 if ($item['network'] == NETWORK_PHANTOM) {
1330 logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG);
1332 $item['network'] = NETWORK_DFRN;
1333 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
1336 // Checking if there is already an item with the same guid
1337 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
1338 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1339 if (self::exists($condition)) {
1340 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
1344 // Check for hashtags in the body and repair or add hashtag links
1345 self::setHashtags($item);
1347 $item['thr-parent'] = $item['parent-uri'];
1355 if ($item['parent-uri'] === $item['uri']) {
1357 $parent_deleted = 0;
1358 $allow_cid = $item['allow_cid'];
1359 $allow_gid = $item['allow_gid'];
1360 $deny_cid = $item['deny_cid'];
1361 $deny_gid = $item['deny_gid'];
1362 $notify_type = 'wall-new';
1364 // find the parent and snarf the item id and ACLs
1365 // and anything else we need to inherit
1367 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1368 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1369 'wall', 'private', 'forum_mode', 'origin'];
1370 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1371 $params = ['order' => ['id' => false]];
1372 $parent = self::selectFirst($fields, $condition, $params);
1374 if (DBM::is_result($parent)) {
1375 // is the new message multi-level threaded?
1376 // even though we don't support it now, preserve the info
1377 // and re-attach to the conversation parent.
1379 if ($parent['uri'] != $parent['parent-uri']) {
1380 $item['parent-uri'] = $parent['parent-uri'];
1382 $condition = ['uri' => $item['parent-uri'],
1383 'parent-uri' => $item['parent-uri'],
1384 'uid' => $item['uid']];
1385 $params = ['order' => ['id' => false]];
1386 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1388 if (DBM::is_result($toplevel_parent)) {
1389 $parent = $toplevel_parent;
1393 $parent_id = $parent['id'];
1394 $parent_deleted = $parent['deleted'];
1395 $allow_cid = $parent['allow_cid'];
1396 $allow_gid = $parent['allow_gid'];
1397 $deny_cid = $parent['deny_cid'];
1398 $deny_gid = $parent['deny_gid'];
1399 $item['wall'] = $parent['wall'];
1400 $notify_type = 'comment-new';
1403 * If the parent is private, force privacy for the entire conversation
1404 * This differs from the above settings as it subtly allows comments from
1405 * email correspondents to be private even if the overall thread is not.
1407 if ($parent['private']) {
1408 $item['private'] = $parent['private'];
1412 * Edge case. We host a public forum that was originally posted to privately.
1413 * The original author commented, but as this is a comment, the permissions
1414 * weren't fixed up so it will still show the comment as private unless we fix it here.
1416 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1417 $item['private'] = 0;
1420 // If its a post from myself then tag the thread as "mention"
1421 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
1422 $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1423 if (DBM::is_result($user)) {
1424 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1425 $self_id = Contact::getIdForURL($self, 0, true);
1426 logger("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], LOGGER_DEBUG);
1427 if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) {
1428 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
1429 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
1434 * Allow one to see reply tweets from status.net even when
1435 * we don't have or can't see the original post.
1437 if ($force_parent) {
1438 logger('$force_parent=true, reply converted to top-level post.');
1440 $item['parent-uri'] = $item['uri'];
1441 $item['gravity'] = GRAVITY_PARENT;
1443 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1447 $parent_deleted = 0;
1451 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1452 $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']];
1453 if (self::exists($condition)) {
1454 logger('duplicated item with the same uri found. '.print_r($item,true));
1458 // On Friendica and Diaspora the GUID is unique
1459 if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
1460 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1461 if (self::exists($condition)) {
1462 logger('duplicated item with the same guid found. '.print_r($item,true));
1466 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1467 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1468 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1469 if (self::exists($condition)) {
1470 logger('duplicated item with the same body found. '.print_r($item,true));
1475 // Is this item available in the global items (with uid=0)?
1476 if ($item["uid"] == 0) {
1477 $item["global"] = true;
1479 // Set the global flag on all items if this was a global item entry
1480 dba::update('item', ['global' => true], ['uri' => $item["uri"]]);
1482 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1486 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1489 $private = $item['private'];
1492 $item["allow_cid"] = $allow_cid;
1493 $item["allow_gid"] = $allow_gid;
1494 $item["deny_cid"] = $deny_cid;
1495 $item["deny_gid"] = $deny_gid;
1496 $item["private"] = $private;
1497 $item["deleted"] = $parent_deleted;
1499 // Fill the cache field
1500 put_item_in_cache($item);
1503 $item['edit'] = false;
1504 $item['parent'] = $parent_id;
1505 Addon::callHooks('post_local', $item);
1506 unset($item['edit']);
1507 unset($item['parent']);
1509 Addon::callHooks('post_remote', $item);
1512 // This array field is used to trigger some automatic reactions
1513 // It is mainly used in the "post_local" hook.
1514 unset($item['api_source']);
1516 if (x($item, 'cancel')) {
1517 logger('post cancelled by addon.');
1522 * Check for already added items.
1523 * There is a timing issue here that sometimes creates double postings.
1524 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1526 if ($item["uid"] == 0) {
1527 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1528 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
1533 logger('' . print_r($item,true), LOGGER_DATA);
1535 if (array_key_exists('tag', $item)) {
1536 $tags = $item['tag'];
1537 unset($item['tag']);
1542 if (array_key_exists('file', $item)) {
1543 $files = $item['file'];
1544 unset($item['file']);
1549 // We are doing this outside of the transaction to avoid timing problems
1550 if (!self::insertActivity($item)) {
1551 self::insertContent($item);
1555 $ret = dba::insert('item', $item);
1557 // When the item was successfully stored we fetch the ID of the item.
1558 if (DBM::is_result($ret)) {
1559 $current_post = dba::lastInsertId();
1561 // This can happen - for example - if there are locking timeouts.
1564 // Store the data into a spool file so that we can try again later.
1566 // At first we restore the Diaspora signature that we removed above.
1567 if (isset($encoded_signature)) {
1568 $item['dsprsig'] = $encoded_signature;
1571 // Now we store the data in the spool directory
1572 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1573 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1575 $spoolpath = get_spoolpath();
1576 if ($spoolpath != "") {
1577 $spool = $spoolpath.'/'.$file;
1578 file_put_contents($spool, json_encode($item));
1579 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1584 if ($current_post == 0) {
1585 // This is one of these error messages that never should occur.
1586 logger("couldn't find created item - we better quit now.");
1591 // How much entries have we created?
1592 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1593 $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1596 // There are duplicates. We delete our just created entry.
1597 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1599 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1600 dba::delete('item', ['id' => $current_post]);
1603 } elseif ($entries == 0) {
1604 // This really should never happen since we quit earlier if there were problems.
1605 logger("Something is terribly wrong. We haven't found our created entry.");
1610 logger('created item '.$current_post);
1611 self::updateContact($item);
1613 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1614 $parent_id = $current_post;
1618 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1620 $item['id'] = $current_post;
1621 $item['parent'] = $parent_id;
1623 // update the commented timestamp on the parent
1624 // Only update "commented" if it is really a comment
1625 if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) {
1626 dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1628 dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1633 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1634 * We can check for this condition when we decode and encode the stuff again.
1636 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1637 $dsprsig->signature = base64_decode($dsprsig->signature);
1638 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1641 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1642 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1645 if (!empty($diaspora_signed_text)) {
1646 // Formerly we stored the signed text, the signature and the author in different fields.
1647 // We now store the raw data so that we are more flexible.
1648 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
1651 $deleted = self::tagDeliver($item['uid'], $current_post);
1654 * current post can be deleted if is for a community page and no mention are
1657 if (!$deleted && !$dontcache) {
1658 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1659 if (DBM::is_result($posted_item)) {
1661 Addon::callHooks('post_local_end', $posted_item);
1663 Addon::callHooks('post_remote_end', $posted_item);
1666 logger('new item not found in DB, id ' . $current_post);
1670 if ($item['parent-uri'] === $item['uri']) {
1671 self::addThread($current_post);
1673 self::updateThread($parent_id);
1679 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1680 * This is not perfect - but a workable solution until we found the reason for the problem.
1682 if (!empty($tags)) {
1683 Term::insertFromTagFieldByItemId($current_post, $tags);
1686 if (!empty($files)) {
1687 Term::insertFromFileFieldByItemId($current_post, $files);
1690 if ($item['parent-uri'] === $item['uri']) {
1691 self::addShadow($current_post);
1693 self::addShadowPost($current_post);
1696 check_user_notification($current_post);
1699 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
1700 } elseif (!empty($parent) && $parent['origin']) {
1701 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post);
1704 return $current_post;
1708 * @brief Insert a new item content entry
1710 * @param array $item The item fields that are to be inserted
1712 private static function insertActivity(&$item)
1714 $activity_index = self::activityToIndex($item['verb']);
1716 if ($activity_index < 0) {
1720 $fields = ['uri' => $item['uri'], 'activity' => $activity_index,
1721 'uri-hash' => hash('sha1', $item['uri']) . hash('ripemd160', $item['uri'])];
1723 $saved_item = $item;
1725 // We just remove everything that is content
1726 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1727 unset($item[$field]);
1730 // To avoid timing problems, we are using locks.
1731 $locked = Lock::acquire('item_insert_activity');
1733 logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1736 // Do we already have this content?
1737 $item_activity = dba::selectFirst('item-activity', ['id'], ['uri' => $item['uri']]);
1738 if (DBM::is_result($item_activity)) {
1739 $item['iaid'] = $item_activity['id'];
1740 logger('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1741 } elseif (dba::insert('item-activity', $fields)) {
1742 $item['iaid'] = dba::lastInsertId();
1743 logger('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1745 // This shouldn't happen. But if it does, we simply store it in the item-content table
1746 logger('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
1747 $item = $saved_item;
1751 Lock::release('item_insert_activity');
1757 * @brief Insert a new item content entry
1759 * @param array $item The item fields that are to be inserted
1761 private static function insertContent(&$item)
1763 $fields = ['uri' => $item['uri'], 'plink' => $item['plink'],
1764 'uri-plink-hash' => hash('sha1', $item['plink']).hash('sha1', $item['uri'])];
1766 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1767 if (isset($item[$field])) {
1768 $fields[$field] = $item[$field];
1769 unset($item[$field]);
1773 // To avoid timing problems, we are using locks.
1774 $locked = Lock::acquire('item_insert_content');
1776 logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1779 // Do we already have this content?
1780 $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $item['uri']]);
1781 if (DBM::is_result($item_content)) {
1782 $item['icid'] = $item_content['id'];
1783 logger('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1784 } elseif (dba::insert('item-content', $fields)) {
1785 $item['icid'] = dba::lastInsertId();
1786 logger('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1788 // By setting the ICID value through the worker we should avoid timing problems.
1789 // When the locking works, this shouldn't be needed. But better be prepared.
1790 Worker::add(PRIORITY_HIGH, 'SetItemContentID', $item['uri']);
1791 logger('Could not insert content for URI ' . $item['uri'] . ' - trying asynchronously');
1794 Lock::release('item_insert_content');
1799 * @brief Set the item content id for a given URI
1801 * @param string $uri The item URI
1803 public static function setICIDforURI($uri)
1805 $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $uri]);
1806 if (DBM::is_result($item_content)) {
1807 dba::update('item', ['icid' => $item_content['id']], ['icid' => 0, 'uri' => $uri]);
1808 logger('Asynchronously set item content id for URI ' . $uri . ' (' . $item_content['id'] . ') - Affected: '. (int)dba::affected_rows());
1810 logger('No item-content found for URI ' . $uri);
1815 * @brief Update existing item content entries
1817 * @param array $item The item fields that are to be changed
1818 * @param array $condition The condition for finding the item content entries
1820 private static function updateActivity($item, $condition)
1822 if (empty($item['verb'])) {
1825 $activity_index = self::activityToIndex($item['verb']);
1827 if ($activity_index < 0) {
1831 $fields = ['activity' => $activity_index,
1832 'uri-hash' => hash('sha1', $condition['uri']) . hash('ripemd160', $condition['uri'])];
1834 logger('Update activity for URI ' . $condition['uri']);
1836 dba::update('item-activity', $fields, $condition, true);
1842 * @brief Update existing item content entries
1844 * @param array $item The item fields that are to be changed
1845 * @param array $condition The condition for finding the item content entries
1847 private static function updateContent($item, $condition)
1849 // We have to select only the fields from the "item-content" table
1851 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1852 if (isset($item[$field])) {
1853 $fields[$field] = $item[$field];
1857 if (empty($fields)) {
1858 // when there are no fields at all, just use the condition
1859 // This is to ensure that we always store content.
1860 $fields = $condition;
1863 if (!empty($item['plink'])) {
1864 $fields['uri-plink-hash'] = hash('sha1', $item['plink']) . hash('sha1', $condition['uri']);
1866 // Ensure that we don't delete the plink
1867 unset($fields['plink']);
1870 logger('Update content for URI ' . $condition['uri']);
1872 dba::update('item-content', $fields, $condition, true);
1876 * @brief Distributes public items to the receivers
1878 * @param integer $itemid Item ID that should be added
1879 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1881 public static function distribute($itemid, $signed_text = '')
1883 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
1884 $parent = self::selectFirst(['owner-id'], $condition);
1885 if (!DBM::is_result($parent)) {
1889 // Only distribute public items from native networks
1890 $condition = ['id' => $itemid, 'uid' => 0,
1891 'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""],
1892 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
1893 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1894 if (!DBM::is_result($item)) {
1898 $origin = $item['origin'];
1901 unset($item['parent']);
1902 unset($item['mention']);
1903 unset($item['wall']);
1904 unset($item['origin']);
1905 unset($item['starred']);
1909 $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
1910 $parent['owner-id'], CONTACT_IS_SHARING, CONTACT_IS_FRIEND];
1911 $contacts = dba::select('contact', ['uid'], $condition);
1912 while ($contact = dba::fetch($contacts)) {
1913 $users[$contact['uid']] = $contact['uid'];
1918 if ($item['uri'] != $item['parent-uri']) {
1919 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1920 while ($parent = dba::fetch($parents)) {
1921 $users[$parent['uid']] = $parent['uid'];
1922 if ($parent['origin'] && !$origin) {
1923 $origin_uid = $parent['uid'];
1928 foreach ($users as $uid) {
1929 if ($origin_uid == $uid) {
1930 $item['diaspora_signed_text'] = $signed_text;
1932 self::storeForUser($itemid, $item, $uid);
1937 * @brief Store public items for the receivers
1939 * @param integer $itemid Item ID that should be added
1940 * @param array $item The item entry that will be stored
1941 * @param integer $uid The user that will receive the item entry
1943 private static function storeForUser($itemid, $item, $uid)
1945 $item['uid'] = $uid;
1946 $item['origin'] = 0;
1948 if ($item['uri'] == $item['parent-uri']) {
1949 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
1951 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
1954 if (empty($item['contact-id'])) {
1955 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1956 if (!DBM::is_result($self)) {
1959 $item['contact-id'] = $self['id'];
1962 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1963 $item['type'] = 'remote-comment';
1964 } elseif ($item['type'] == 'wall') {
1965 $item['type'] = 'remote';
1968 /// @todo Handling of "event-id"
1971 if ($item['uri'] == $item['parent-uri']) {
1972 $contact = dba::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1973 if (DBM::is_result($contact)) {
1974 $notify = self::isRemoteSelf($contact, $item);
1978 $distributed = self::insert($item, false, $notify, true);
1980 if (!$distributed) {
1981 logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG);
1983 logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG);
1988 * @brief Add a shadow entry for a given item id that is a thread starter
1990 * We store every public item entry additionally with the user id "0".
1991 * This is used for the community page and for the search.
1992 * It is planned that in the future we will store public item entries only once.
1994 * @param integer $itemid Item ID that should be added
1996 public static function addShadow($itemid)
1998 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
1999 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2000 $item = self::selectFirst($fields, $condition);
2002 if (!DBM::is_result($item)) {
2006 // is it already a copy?
2007 if (($itemid == 0) || ($item['uid'] == 0)) {
2011 // Is it a visible public post?
2012 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2016 // is it an entry from a connector? Only add an entry for natively connected networks
2017 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
2021 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2025 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2027 if (DBM::is_result($item)) {
2028 // Preparing public shadow (removing user specific data)
2031 unset($item['parent']);
2032 unset($item['wall']);
2033 unset($item['mention']);
2034 unset($item['origin']);
2035 unset($item['starred']);
2036 if ($item['uri'] == $item['parent-uri']) {
2037 $item['contact-id'] = $item['owner-id'];
2039 $item['contact-id'] = $item['author-id'];
2042 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
2043 $item['type'] = 'remote-comment';
2044 } elseif ($item['type'] == 'wall') {
2045 $item['type'] = 'remote';
2048 $public_shadow = self::insert($item, false, false, true);
2050 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
2055 * @brief Add a shadow entry for a given item id that is a comment
2057 * This function does the same like the function above - but for comments
2059 * @param integer $itemid Item ID that should be added
2061 public static function addShadowPost($itemid)
2063 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2064 if (!DBM::is_result($item)) {
2068 // Is it a toplevel post?
2069 if ($item['id'] == $item['parent']) {
2070 self::addShadow($itemid);
2074 // Is this a shadow entry?
2075 if ($item['uid'] == 0) {
2079 // Is there a shadow parent?
2080 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2084 // Is there already a shadow entry?
2085 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2089 // Save "origin" and "parent" state
2090 $origin = $item['origin'];
2091 $parent = $item['parent'];
2093 // Preparing public shadow (removing user specific data)
2096 unset($item['parent']);
2097 unset($item['wall']);
2098 unset($item['mention']);
2099 unset($item['origin']);
2100 unset($item['starred']);
2101 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2103 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
2104 $item['type'] = 'remote-comment';
2105 } elseif ($item['type'] == 'wall') {
2106 $item['type'] = 'remote';
2109 $public_shadow = self::insert($item, false, false, true);
2111 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
2113 // If this was a comment to a Diaspora post we don't get our comment back.
2114 // This means that we have to distribute the comment by ourselves.
2115 if ($origin && self::exists(['id' => $parent, 'network' => NETWORK_DIASPORA])) {
2116 self::distribute($public_shadow);
2121 * Adds a language specification in a "language" element of given $arr.
2122 * Expects "body" element to exist in $arr.
2124 private static function addLanguageToItemArray(&$item)
2126 $naked_body = Text\BBCode::toPlaintext($item['body'], false);
2128 $ld = new Text_LanguageDetect();
2129 $ld->setNameMode(2);
2130 $languages = $ld->detect($naked_body, 3);
2132 if (is_array($languages)) {
2133 $item['language'] = json_encode($languages);
2138 * @brief Creates an unique guid out of a given uri
2140 * @param string $uri uri of an item entry
2141 * @param string $host hostname for the GUID prefix
2142 * @return string unique guid
2144 public static function guidFromUri($uri, $host)
2146 // Our regular guid routine is using this kind of prefix as well
2147 // We have to avoid that different routines could accidentally create the same value
2148 $parsed = parse_url($uri);
2150 // We use a hash of the hostname as prefix for the guid
2151 $guid_prefix = hash("crc32", $host);
2153 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2154 unset($parsed["scheme"]);
2156 // Glue it together to be able to make a hash from it
2157 $host_id = implode("/", $parsed);
2159 // We could use any hash algorithm since it isn't a security issue
2160 $host_hash = hash("ripemd128", $host_id);
2162 return $guid_prefix.$host_hash;
2166 * generate an unique URI
2168 * @param integer $uid User id
2169 * @param string $guid An existing GUID (Otherwise it will be generated)
2173 public static function newURI($uid, $guid = "")
2176 $guid = System::createGUID(32);
2179 $hostname = self::getApp()->get_hostname();
2181 $user = dba::selectFirst('user', ['nickname'], ['uid' => $uid]);
2183 $uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid;
2189 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
2191 * This can be used to filter for inactive contacts.
2192 * Only do this for public postings to avoid privacy problems, since poco data is public.
2193 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2195 * @param array $arr Contains the just posted item record
2197 private static function updateContact($arr)
2199 // Unarchive the author
2200 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2201 if (DBM::is_result($contact)) {
2202 Contact::unmarkForArchival($contact);
2205 // Unarchive the contact if it's not our own contact
2206 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2207 if (DBM::is_result($contact)) {
2208 Contact::unmarkForArchival($contact);
2211 $update = (!$arr['private'] && ((defaults($arr, 'author-link', '') === defaults($arr, 'owner-link', '')) || ($arr["parent-uri"] === $arr["uri"])));
2213 // Is it a forum? Then we don't care about the rules from above
2214 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
2215 if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2221 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2222 ['id' => $arr['contact-id']]);
2224 // Now do the same for the system wide contacts with uid=0
2225 if (!$arr['private']) {
2226 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2227 ['id' => $arr['owner-id']]);
2229 if ($arr['owner-id'] != $arr['author-id']) {
2230 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2231 ['id' => $arr['author-id']]);
2236 public static function setHashtags(&$item)
2239 $tags = get_tags($item["body"]);
2242 if (!count($tags)) {
2246 // This sorting is important when there are hashtags that are part of other hashtags
2247 // Otherwise there could be problems with hashtags like #test and #test2
2250 $URLSearchString = "^\[\]";
2252 // All hashtags should point to the home server if "local_tags" is activated
2253 if (Config::get('system', 'local_tags')) {
2254 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2255 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2257 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2258 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2261 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2262 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2264 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2267 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2269 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2272 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2274 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2277 // Repair recursive urls
2278 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2279 "#$2", $item["body"]);
2281 foreach ($tags as $tag) {
2282 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
2286 $basetag = str_replace('_',' ',substr($tag,1));
2288 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
2290 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2292 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2293 if (strlen($item["tag"])) {
2294 $item["tag"] = ','.$item["tag"];
2296 $item["tag"] = $newtag.$item["tag"];
2300 // Convert back the masked hashtags
2301 $item["body"] = str_replace("#", "#", $item["body"]);
2304 public static function getGuidById($id)
2306 $item = self::selectFirst(['guid'], ['id' => $id]);
2307 if (DBM::is_result($item)) {
2308 return $item['guid'];
2314 public static function getIdAndNickByGuid($guid, $uid = 0)
2320 $uid == local_user();
2323 // Does the given user have this item?
2325 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2326 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2327 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2328 AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid);
2329 if (DBM::is_result($item)) {
2331 $nick = $item["nickname"];
2335 // Or is it anywhere on the server?
2337 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2338 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2339 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2340 AND NOT `item`.`private` AND `item`.`wall`
2341 AND `item`.`guid` = ?", $guid);
2342 if (DBM::is_result($item)) {
2344 $nick = $item["nickname"];
2347 return ["nick" => $nick, "id" => $id];
2351 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2353 * @param int $item_id
2354 * @return bool true if item was deleted, else false
2356 private static function tagDeliver($uid, $item_id)
2360 $user = dba::selectFirst('user', [], ['uid' => $uid]);
2361 if (!DBM::is_result($user)) {
2365 $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false);
2366 $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false);
2368 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2369 if (!DBM::is_result($item)) {
2373 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
2376 * Diaspora uses their own hardwired link URL in @-tags
2377 * instead of the one we supply with webfinger
2379 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
2381 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2383 foreach ($matches as $mtch) {
2384 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
2386 logger('mention found: ' . $mtch[2]);
2392 if (($community_page || $prvgroup) &&
2393 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2394 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2396 logger("no-mention top-level post to community or private group. delete.");
2397 dba::delete('item', ['id' => $item_id]);
2403 $arr = ['item' => $item, 'user' => $user];
2405 Addon::callHooks('tagged', $arr);
2407 if (!$community_page && !$prvgroup) {
2412 * tgroup delivery - setup a second delivery chain
2413 * prevent delivery looping - only proceed
2414 * if the message originated elsewhere and is a top-level post
2416 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2420 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2421 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2422 if (!DBM::is_result($self)) {
2426 $owner_id = Contact::getIdForURL($self['url']);
2428 // also reset all the privacy bits to the forum default permissions
2430 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2432 $forum_mode = ($prvgroup ? 2 : 1);
2434 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2435 'owner-id' => $owner_id, 'owner-link' => $self['url'], 'private' => $private, 'allow_cid' => $user['allow_cid'],
2436 'allow_gid' => $user['allow_gid'], 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']];
2437 dba::update('item', $fields, ['id' => $item_id]);
2439 self::updateThread($item_id);
2441 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
2444 public static function isRemoteSelf($contact, &$datarray)
2448 if (!$contact['remote_self']) {
2452 // Prevent the forwarding of posts that are forwarded
2453 if (!empty($datarray["extid"]) && ($datarray["extid"] == NETWORK_DFRN)) {
2454 logger('Already forwarded', LOGGER_DEBUG);
2458 // Prevent to forward already forwarded posts
2459 if ($datarray["app"] == $a->get_hostname()) {
2460 logger('Already forwarded (second test)', LOGGER_DEBUG);
2464 // Only forward posts
2465 if ($datarray["verb"] != ACTIVITY_POST) {
2466 logger('No post', LOGGER_DEBUG);
2470 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
2471 logger('Not public', LOGGER_DEBUG);
2475 $datarray2 = $datarray;
2476 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
2477 if ($contact['remote_self'] == 2) {
2478 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2479 ['uid' => $contact['uid'], 'self' => true]);
2480 if (DBM::is_result($self)) {
2481 $datarray['contact-id'] = $self["id"];
2483 $datarray['owner-name'] = $self["name"];
2484 $datarray['owner-link'] = $self["url"];
2485 $datarray['owner-avatar'] = $self["thumb"];
2487 $datarray['author-name'] = $datarray['owner-name'];
2488 $datarray['author-link'] = $datarray['owner-link'];
2489 $datarray['author-avatar'] = $datarray['owner-avatar'];
2491 unset($datarray['created']);
2492 unset($datarray['edited']);
2494 unset($datarray['network']);
2495 unset($datarray['owner-id']);
2496 unset($datarray['author-id']);
2499 if ($contact['network'] != NETWORK_FEED) {
2500 $datarray["guid"] = System::createGUID(32);
2501 unset($datarray["plink"]);
2502 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2503 $datarray["parent-uri"] = $datarray["uri"];
2504 $datarray["thr-parent"] = $datarray["uri"];
2505 $datarray["extid"] = NETWORK_DFRN;
2506 $urlpart = parse_url($datarray2['author-link']);
2507 $datarray["app"] = $urlpart["host"];
2509 $datarray['private'] = 0;
2513 if ($contact['network'] != NETWORK_FEED) {
2514 // Store the original post
2515 $result = self::insert($datarray2, false, false);
2516 logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
2518 $datarray["app"] = "Feed";
2522 // Trigger automatic reactions for addons
2523 $datarray['api_source'] = true;
2525 // We have to tell the hooks who we are - this really should be improved
2526 $_SESSION["authenticated"] = true;
2527 $_SESSION["uid"] = $contact['uid'];
2536 * @param array $item
2540 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2542 if (Config::get('system', 'disable_embedded')) {
2546 logger('check for photos', LOGGER_DEBUG);
2547 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2552 $img_start = strpos($orig_body, '[img');
2553 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2554 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2556 while (($img_st_close !== false) && ($img_len !== false)) {
2557 $img_st_close++; // make it point to AFTER the closing bracket
2558 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2560 logger('found photo ' . $image, LOGGER_DEBUG);
2562 if (stristr($image, $site . '/photo/')) {
2563 // Only embed locally hosted photos
2565 $i = basename($image);
2566 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2567 $x = strpos($i, '-');
2570 $res = substr($i, $x + 1);
2571 $i = substr($i, 0, $x);
2572 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2573 $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2574 if (DBM::is_result($photo)) {
2576 * Check to see if we should replace this photo link with an embedded image
2577 * 1. No need to do so if the photo is public
2578 * 2. If there's a contact-id provided, see if they're in the access list
2579 * for the photo. If so, embed it.
2580 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2581 * permissions, regardless of order but first check to see if they're an exact
2582 * match to save some processing overhead.
2584 if (self::hasPermissions($photo)) {
2586 $recips = self::enumeratePermissions($photo);
2587 if (in_array($cid, $recips)) {
2591 if (self::samePermissions($item, $photo)) {
2597 $data = $photo['data'];
2598 $type = $photo['type'];
2600 // If a custom width and height were specified, apply before embedding
2601 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2602 logger('scaling photo', LOGGER_DEBUG);
2604 $width = intval($match[1]);
2605 $height = intval($match[2]);
2607 $Image = new Image($data, $type);
2608 if ($Image->isValid()) {
2609 $Image->scaleDown(max($width, $height));
2610 $data = $Image->asString();
2611 $type = $Image->getType();
2615 logger('replacing photo', LOGGER_DEBUG);
2616 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2617 logger('replaced: ' . $image, LOGGER_DATA);
2623 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2624 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2625 if ($orig_body === false) {
2629 $img_start = strpos($orig_body, '[img');
2630 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2631 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2634 $new_body = $new_body . $orig_body;
2639 private static function hasPermissions($obj)
2641 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2642 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2645 private static function samePermissions($obj1, $obj2)
2647 // first part is easy. Check that these are exactly the same.
2648 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2649 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2650 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2651 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2655 // This is harder. Parse all the permissions and compare the resulting set.
2656 $recipients1 = self::enumeratePermissions($obj1);
2657 $recipients2 = self::enumeratePermissions($obj2);
2661 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2662 return ($recipients1 == $recipients2);
2665 // returns an array of contact-ids that are allowed to see this object
2666 private static function enumeratePermissions($obj)
2668 $allow_people = expand_acl($obj['allow_cid']);
2669 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2670 $deny_people = expand_acl($obj['deny_cid']);
2671 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2672 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2673 $deny = array_unique(array_merge($deny_people, $deny_groups));
2674 $recipients = array_diff($recipients, $deny);
2678 public static function getFeedTags($item)
2682 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2684 for ($x = 0; $x < $cnt; $x ++) {
2685 if ($matches[1][$x]) {
2686 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2691 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2693 for ($x = 0; $x < $cnt; $x ++) {
2694 if ($matches[1][$x]) {
2695 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2702 public static function expire($uid, $days, $network = "", $force = false)
2704 if (!$uid || ($days < 1)) {
2708 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2709 $uid, GRAVITY_PARENT];
2712 * $expire_network_only = save your own wall posts
2713 * and just expire conversations started by others
2715 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
2717 if ($expire_network_only) {
2718 $condition[0] .= " AND NOT `wall`";
2721 if ($network != "") {
2722 $condition[0] .= " AND `network` = ?";
2723 $condition[] = $network;
2726 * There is an index "uid_network_received" but not "uid_network_created"
2727 * This avoids the creation of another index just for one purpose.
2728 * And it doesn't really matter wether to look at "received" or "created"
2730 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2731 $condition[] = $days;
2733 $condition[0] .= " AND `created` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2734 $condition[] = $days;
2737 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id'], $condition);
2739 if (!DBM::is_result($items)) {
2743 $expire_items = PConfig::get($uid, 'expire', 'items', true);
2745 // Forcing expiring of items - but not notes and marked items
2747 $expire_items = true;
2750 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
2751 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
2752 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
2756 while ($item = Item::fetch($items)) {
2757 // don't expire filed items
2759 if (strpos($item['file'], '[') !== false) {
2763 // Only expire posts, not photos and photo comments
2765 if (!$expire_photos && strlen($item['resource-id'])) {
2767 } elseif (!$expire_starred && intval($item['starred'])) {
2769 } elseif (!$expire_notes && $item['type'] == 'note') {
2771 } elseif (!$expire_items && $item['type'] != 'note') {
2775 self::deleteById($item['id'], PRIORITY_LOW);
2780 logger('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2783 public static function firstPostDate($uid, $wall = false)
2785 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2786 $params = ['order' => ['created' => false]];
2787 $thread = dba::selectFirst('thread', ['created'], $condition, $params);
2788 if (DBM::is_result($thread)) {
2789 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2795 * @brief add/remove activity to an item
2797 * Toggle activities as like,dislike,attend of an item
2799 * @param string $item_id
2800 * @param string $verb
2801 * Activity verb. One of
2802 * like, unlike, dislike, undislike, attendyes, unattendyes,
2803 * attendno, unattendno, attendmaybe, unattendmaybe
2804 * @hook 'post_local_end'
2806 * 'post_id' => ID of posted item
2808 public static function performLike($item_id, $verb)
2810 if (!local_user() && !remote_user()) {
2817 $activity = ACTIVITY_LIKE;
2821 $activity = ACTIVITY_DISLIKE;
2825 $activity = ACTIVITY_ATTEND;
2829 $activity = ACTIVITY_ATTENDNO;
2832 case 'unattendmaybe':
2833 $activity = ACTIVITY_ATTENDMAYBE;
2836 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
2840 // Enable activity toggling instead of on/off
2841 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
2843 logger('like: verb ' . $verb . ' item ' . $item_id);
2845 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
2846 if (!DBM::is_result($item)) {
2847 logger('like: unknown item ' . $item_id);
2851 $item_uri = $item['uri'];
2853 $uid = $item['uid'];
2854 if (($uid == 0) && local_user()) {
2855 $uid = local_user();
2858 if (!can_write_wall($uid)) {
2859 logger('like: unable to write on wall ' . $uid);
2863 // Retrieves the local post owner
2864 $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
2865 if (!DBM::is_result($owner_self_contact)) {
2866 logger('like: unknown owner ' . $uid);
2870 // Retrieve the current logged in user's public contact
2871 $author_id = public_contact();
2873 $author_contact = dba::selectFirst('contact', ['url'], ['id' => $author_id]);
2874 if (!DBM::is_result($author_contact)) {
2875 logger('like: unknown author ' . $author_id);
2879 // Contact-id is the uid-dependant author contact
2880 if (local_user() == $uid) {
2881 $item_contact_id = $owner_self_contact['id'];
2882 $item_contact = $owner_self_contact;
2884 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
2885 $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
2886 if (!DBM::is_result($item_contact)) {
2887 logger('like: unknown item contact ' . $item_contact_id);
2892 // Look for an existing verb row
2893 // event participation are essentially radio toggles. If you make a subsequent choice,
2894 // we need to eradicate your first choice.
2895 if ($event_verb_flag) {
2896 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
2898 // Translate to the index based activity index
2900 foreach ($verbs as $verb) {
2901 $activities[] = self::activityToIndex($verb);
2904 $activities = self::activityToIndex($activity);
2907 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2908 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
2910 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2912 // If it exists, mark it as deleted
2913 if (DBM::is_result($like_item)) {
2914 // Already voted, undo it
2915 $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
2916 /// @todo Consider using self::update - but before doing so, check the side effects
2917 dba::update('item', $fields, ['id' => $like_item['id']]);
2919 // Clean up the Diaspora signatures for this like
2920 dba::delete('sign', ['iid' => $like_item['id']]);
2922 Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item['id']);
2924 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2929 // Verb is "un-something", just trying to delete existing entries
2930 if (strpos($verb, 'un') === 0) {
2934 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
2937 'guid' => System::createGUID(32),
2938 'uri' => self::newURI($item['uid']),
2939 'uid' => $item['uid'],
2940 'contact-id' => $item_contact_id,
2941 'type' => 'activity',
2942 'wall' => $item['wall'],
2944 'network' => NETWORK_DFRN,
2945 'gravity' => GRAVITY_ACTIVITY,
2946 'parent' => $item['id'],
2947 'parent-uri' => $item['uri'],
2948 'thr-parent' => $item['uri'],
2949 'owner-id' => $item['owner-id'],
2950 'author-id' => $author_id,
2951 'body' => $activity,
2952 'verb' => $activity,
2953 'object-type' => $objtype,
2954 'allow_cid' => $item['allow_cid'],
2955 'allow_gid' => $item['allow_gid'],
2956 'deny_cid' => $item['deny_cid'],
2957 'deny_gid' => $item['deny_gid'],
2962 $new_item_id = self::insert($new_item);
2964 // If the parent item isn't visible then set it to visible
2965 if (!$item['visible']) {
2966 self::update(['visible' => true], ['id' => $item['id']]);
2969 // Save the author information for the like in case we need to relay to Diaspora
2970 Diaspora::storeLikeSignature($item_contact, $new_item_id);
2972 $new_item['id'] = $new_item_id;
2974 Addon::callHooks('post_local_end', $new_item);
2976 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
2981 private static function addThread($itemid, $onlyshadow = false)
2983 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2984 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2985 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2986 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2987 $item = self::selectFirst($fields, $condition);
2989 if (!DBM::is_result($item)) {
2993 $item['iid'] = $itemid;
2996 $result = dba::insert('thread', $item);
2998 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
3002 private static function updateThread($itemid, $setmention = false)
3004 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed',
3005 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
3006 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3007 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3009 $item = self::selectFirst($fields, $condition);
3010 if (!DBM::is_result($item)) {
3015 $item["mention"] = 1;
3022 foreach ($item as $field => $data) {
3023 if (!in_array($field, ["guid"])) {
3024 $fields[$field] = $data;
3028 $result = dba::update('thread', $fields, ['iid' => $itemid]);
3030 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG);
3033 private static function deleteThread($itemid, $itemuri = "")
3035 $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3036 if (!DBM::is_result($item)) {
3037 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
3041 // Using dba::delete at this time could delete the associated item entries
3042 $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
3044 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
3046 if ($itemuri != "") {
3047 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3048 if (!self::exists($condition)) {
3049 dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3050 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);