+ logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
+ }
+}
+
+/**
+ * @brief Add a shadow entry for a given item id that is a thread starter
+ *
+ * We store every public item entry additionally with the user id "0".
+ * This is used for the community page and for the search.
+ * It is planned that in the future we will store public item entries only once.
+ *
+ * @param integer $itemid Item ID that should be added
+ */
+function add_shadow_thread($itemid) {
+ $items = q("SELECT `uid`, `wall`, `private`, `moderated`, `visible`, `contact-id`, `deleted`, `network`
+ FROM `item` WHERE `id` = %d AND (`parent` = %d OR `parent` = 0) LIMIT 1", intval($itemid), intval($itemid));
+
+ if (!dbm::is_result($items)) {
+ return;
+ }
+
+ $item = $items[0];
+
+ // is it already a copy?
+ if (($itemid == 0) OR ($item['uid'] == 0)) {
+ return;
+ }
+
+ // Is it a visible public post?
+ if (!$item["visible"] OR $item["deleted"] OR $item["moderated"] OR $item["private"]) {
+ return;
+ }
+
+ // is it an entry from a connector? Only add an entry for natively connected networks
+ if (!in_array($item["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""))) {
+ return;
+ }
+
+ // Only do these checks if the post isn't a wall post
+ if (!$item["wall"]) {
+ // Check, if hide-friends is activated - then don't do a shadow entry
+ $r = q("SELECT `hide-friends` FROM `profile` WHERE `is-default` AND `uid` = %d AND NOT `hide-friends`",
+ $item['uid']);
+
+ if (!dbm::is_result($r)) {
+ return;
+ }
+
+ // Check if the contact is hidden or blocked
+ $r = q("SELECT `id` FROM `contact` WHERE NOT `hidden` AND NOT `blocked` AND `id` = %d",
+ $item['contact-id']);
+
+ if (!dbm::is_result($r)) {
+ return;
+ }
+ }
+
+ // Only add a shadow, if the profile isn't hidden
+ $r = q("SELECT `uid` FROM `user` where `uid` = %d AND NOT `hidewall`", $item['uid']);
+ if (!dbm::is_result($r)) {
+ return;
+ }
+
+ $item = q("SELECT * FROM `item` WHERE `id` = %d", intval($itemid));
+
+ if (count($item) AND ($item[0]["allow_cid"] == '') AND ($item[0]["allow_gid"] == '') AND
+ ($item[0]["deny_cid"] == '') AND ($item[0]["deny_gid"] == '')) {
+
+ $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1",
+ dbesc($item['uri']));
+
+ if (!dbm::is_result($r)) {
+ // Preparing public shadow (removing user specific data)
+ require_once("include/items.php");
+ require_once("include/Contact.php");
+
+ unset($item[0]['id']);
+ $item[0]['uid'] = 0;
+ $item[0]['origin'] = 0;
+ $item[0]['wall'] = 0;
+ $item[0]['contact-id'] = get_contact($item[0]['author-link'], 0);
+
+ if (in_array($item[0]['type'], array("net-comment", "wall-comment"))) {
+ $item[0]['type'] = 'remote-comment';
+ } elseif ($item[0]['type'] == 'wall') {
+ $item[0]['type'] = 'remote';
+ }
+
+ $public_shadow = item_store($item[0], false, false, true);
+
+ logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
+ }
+ }
+}
+
+/**
+ * @brief Add a shadow entry for a given item id that is a comment
+ *
+ * This function does the same like the function above - but for comments
+ *
+ * @param integer $itemid Item ID that should be added
+ */
+function add_shadow_entry($itemid) {
+
+ $items = q("SELECT * FROM `item` WHERE `id` = %d", intval($itemid));
+
+ if (!dbm::is_result($items)) {
+ return;
+ }
+
+ $item = $items[0];
+
+ // Is it a toplevel post?
+ if ($item['id'] == $item['parent']) {
+ add_shadow_thread($itemid);
+ return;
+ }
+
+ // Is this a shadow entry?
+ if ($item['uid'] == 0)
+ return;
+
+ // Is there a shadow parent?
+ $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc($item['parent-uri']));
+ if (!dbm::is_result($r))
+ return;
+
+ // Is there already a shadow entry?
+ $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = 0 LIMIT 1", dbesc($item['uri']));
+ if (dbm::is_result($r))
+ return;
+
+ // Preparing public shadow (removing user specific data)
+ require_once("include/items.php");
+ require_once("include/Contact.php");
+
+ unset($item['id']);
+ $item['uid'] = 0;
+ $item['origin'] = 0;
+ $item['wall'] = 0;
+ $item['contact-id'] = get_contact($item['author-link'], 0);
+
+ if (in_array($item['type'], array("net-comment", "wall-comment"))) {
+ $item['type'] = 'remote-comment';
+ } elseif ($item['type'] == 'wall') {
+ $item['type'] = 'remote';
+ }
+
+ $public_shadow = item_store($item, false, false, true);
+
+ logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);