Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
use Friendica\App;
function add_thread($itemid, $onlyshadow = false) {
$items = q("SELECT `uid`, `created`, `edited`, `commented`, `received`, `changed`, `wall`, `private`, `pubmail`,
`moderated`, `visible`, `spam`, `starred`, `bookmark`, `contact-id`, `gcontact-id`,
`deleted`, `origin`, `forum_mode`, `mention`, `network`, `author-id`, `owner-id`
FROM `item` WHERE `id` = %d AND (`parent` = %d OR `parent` = 0) LIMIT 1", intval($itemid), intval($itemid));
if (!$items)
return;
$item = $items[0];
$item['iid'] = $itemid;
if (!$onlyshadow) {
$result = dbq("INSERT INTO `thread` (`"
.implode("`, `", array_keys($item))
."`) VALUES ('"
.implode("', '", array_values($item))
."')");
logger("Add thread for item ".$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);
}
function update_thread_uri($itemuri, $uid) {
$messages = q("SELECT `id` FROM `item` WHERE uri ='%s' AND uid=%d", dbesc($itemuri), intval($uid));
if (dbm::is_result($messages))
foreach ($messages as $message)
update_thread($message["id"]);
}
function update_thread($itemid, $setmention = false) {
$items = q("SELECT `uid`, `guid`, `title`, `body`, `created`, `edited`, `commented`, `received`, `changed`, `wall`, `private`, `pubmail`, `moderated`, `visible`, `spam`, `starred`, `bookmark`, `contact-id`, `gcontact-id`,
`deleted`, `origin`, `forum_mode`, `network`, `rendered-html`, `rendered-hash` FROM `item` WHERE `id` = %d AND (`parent` = %d OR `parent` = 0) LIMIT 1", intval($itemid), intval($itemid));
if (!dbm::is_result($items))
return;
$item = $items[0];
if ($setmention)
$item["mention"] = 1;
$sql = "";
foreach ($item AS $field => $data)
if (!in_array($field, array("guid", "title", "body", "rendered-html", "rendered-hash"))) {
if ($sql != "")
$sql .= ", ";
$sql .= "`".$field."` = '".dbesc($data)."'";
}
$result = q("UPDATE `thread` SET ".$sql." WHERE `iid` = %d", intval($itemid));
logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".print_r($result, true)." ".print_r($item, true), LOGGER_DEBUG);
// Updating a shadow item entry
$items = q("SELECT `id` FROM `item` WHERE `guid` = '%s' AND `uid` = 0 LIMIT 1", dbesc($item["guid"]));
if (!$items)
return;
$result = q("UPDATE `item` SET `title` = '%s', `body` = '%s', `rendered-html` = '%s', `rendered-hash` = '%s' WHERE `id` = %d",
dbesc($item["title"]),
dbesc($item["body"]),
dbesc($item["rendered-html"]),
dbesc($item["rendered-hash"]),
intval($items[0]["id"])
);
logger("Updating public shadow for post ".$items[0]["id"]." - guid ".$item["guid"]." Result: ".print_r($result, true), LOGGER_DEBUG);
}
function delete_thread_uri($itemuri, $uid) {
$messages = q("SELECT `id` FROM `item` WHERE uri ='%s' AND uid=%d", dbesc($itemuri), intval($uid));
if(count($messages))
foreach ($messages as $message)
delete_thread($message["id"], $itemuri);
}
function delete_thread($itemid, $itemuri = "") {
$item = q("SELECT `uid` FROM `thread` WHERE `iid` = %d", intval($itemid));
$result = q("DELETE FROM `thread` WHERE `iid` = %d", intval($itemid));
logger("delete_thread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
if ($itemuri != "") {
$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND NOT (`uid` IN (%d, 0))",
dbesc($itemuri),
intval($item["uid"])
);
if (!dbm::is_result($r)) {
$r = q("DELETE FROM `item` WHERE `uri` = '%s' AND `uid` = 0",
dbesc($itemuri)
);
logger("delete_thread: Deleted shadow for item ".$itemuri." - ".print_r($result, true), LOGGER_DEBUG);
}
}
}
function update_threads() {
logger("update_threads: start");
$messages = dba::p("SELECT `id` FROM `item` WHERE `id` = `parent`");
logger("update_threads: fetched messages: ".dba::num_rows($messages));
while ($message = dba::fetch($messages)) {
add_thread($message["id"]);
add_shadow_thread($message["id"]);
}
dba::close($messages);
}
function update_threads_mention() {
$users = q("SELECT `uid`, `nickname` FROM `user` ORDER BY `uid`");
foreach ($users AS $user) {
$self = normalise_link(App::get_baseurl() . '/profile/' . $user['nickname']);
$selfhttps = str_replace("http://", "https://", $self);
$parents = q("SELECT DISTINCT(`parent`) FROM `item` WHERE `uid` = %d AND
((`owner-link` IN ('%s', '%s')) OR (`author-link` IN ('%s', '%s')))",
$user["uid"], $self, $selfhttps, $self, $selfhttps);
foreach ($parents AS $parent)
q("UPDATE `thread` SET `mention` = 1 WHERE `iid` = %d", $parent["parent"]);
}
}
function update_shadow_copy() {
logger("start");
$messages = dba::p("SELECT `iid` FROM `thread` WHERE `uid` != 0 AND `network` IN ('', ?, ?, ?)
AND `visible` AND NOT `deleted` AND NOT `moderated` AND NOT `private` ORDER BY `created`",
NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS);
logger("fetched messages: ".dba::num_rows($messages));
while ($message = dba::fetch($messages))
add_shadow_thread($message["iid"]);
dba::close($messages);
}