function moveActivity($act, $sink, $user, $remote)
{
if (empty($user)) {
// TRANS: Exception thrown if a non-existing user is provided. %s is a user ID.
throw new Exception(sprintf(_('No such user "%s".'), $act->actor->id));
}
switch ($act->verb) {
case ActivityVerb::FAVORITE:
$this->log(LOG_INFO, "Moving favorite of {$act->objects[0]->id} by " . "{$act->actor->id} to {$remote->nickname}.");
// push it, then delete local
$sink->postActivity($act);
$notice = Notice::staticGet('uri', $act->objects[0]->id);
if (!empty($notice)) {
$fave = Fave::pkeyGet(array('user_id' => $user->id, 'notice_id' => $notice->id));
$fave->delete();
}
break;
case ActivityVerb::POST:
$this->log(LOG_INFO, "Moving notice {$act->objects[0]->id} by " . "{$act->actor->id} to {$remote->nickname}.");
// XXX: send a reshare, not a post
$sink->postActivity($act);
$notice = Notice::staticGet('uri', $act->objects[0]->id);
if (!empty($notice)) {
$notice->delete();
}
break;
case ActivityVerb::JOIN:
$this->log(LOG_INFO, "Moving group join of {$act->objects[0]->id} by " . "{$act->actor->id} to {$remote->nickname}.");
$sink->postActivity($act);
$group = User_group::staticGet('uri', $act->objects[0]->id);
if (!empty($group)) {
$user->leaveGroup($group);
}
break;
case ActivityVerb::FOLLOW:
if ($act->actor->id == $user->uri) {
$this->log(LOG_INFO, "Moving subscription to {$act->objects[0]->id} by " . "{$act->actor->id} to {$remote->nickname}.");
$sink->postActivity($act);
$other = Profile::fromURI($act->objects[0]->id);
if (!empty($other)) {
Subscription::cancel($user->getProfile(), $other);
}
} else {
$otherUser = User::staticGet('uri', $act->actor->id);
if (!empty($otherUser)) {
$this->log(LOG_INFO, "Changing sub to {$act->objects[0]->id}" . "by {$act->actor->id} to {$remote->nickname}.");
$otherProfile = $otherUser->getProfile();
Subscription::start($otherProfile, $remote);
Subscription::cancel($otherProfile, $user->getProfile());
} else {
$this->log(LOG_NOTICE, "Not changing sub to {$act->objects[0]->id}" . "by remote {$act->actor->id} " . "to {$remote->nickname}.");
}
}
break;
}
}
/**
* For initializing members of the class.
*
* @param array $args misc. arguments
*
* @return boolean true
*/
protected function prepare(array $args = array())
{
parent::prepare($args);
$profileId = $this->trimmed('profile');
$noticeId = $this->trimmed('notice');
$this->_profile = Profile::getKV('id', $profileId);
if (empty($this->_profile)) {
// TRANS: Client exception.
throw new ClientException(_('No such profile.'), 404);
}
$this->_notice = Notice::getKV('id', $noticeId);
if (empty($this->_notice)) {
// TRANS: Client exception thrown when referencing a non-existing notice.
throw new ClientException(_('No such notice.'), 404);
}
$this->_fave = Fave::pkeyGet(array('user_id' => $profileId, 'notice_id' => $noticeId));
if (empty($this->_fave)) {
// TRANS: Client exception thrown when referencing a non-existing favorite.
throw new ClientException(_('No such favorite.'), 404);
}
return true;
}
/**
* Notify remote users when their notices get favorited.
*
* @param Profile or User $profile of local user doing the faving
* @param Notice $notice being favored
* @return hook return value
*/
function onEndFavorNotice(Profile $profile, Notice $notice)
{
$user = User::staticGet('id', $profile->id);
if (empty($user)) {
return true;
}
$oprofile = Ostatus_profile::staticGet('profile_id', $notice->profile_id);
if (empty($oprofile)) {
return true;
}
$fav = Fave::pkeyGet(array('user_id' => $user->id, 'notice_id' => $notice->id));
if (empty($fav)) {
// That's weird.
return true;
}
$act = $fav->asActivity();
$oprofile->notifyActivity($act, $profile);
return true;
}
/**
* add a new favorite
*
* @return void
*/
function addFavorite()
{
// XXX: Refactor this; all the same for atompub
if (empty($this->auth_user) || $this->auth_user->id != $this->_profile->id) {
// TRANS: Client exception thrown when trying to set a favorite for another user.
throw new ClientException(_("Cannot add someone else's" . " subscription."), 403);
}
$xml = file_get_contents('php://input');
$dom = DOMDocument::loadXML($xml);
if ($dom->documentElement->namespaceURI != Activity::ATOM || $dom->documentElement->localName != 'entry') {
// TRANS: Client error displayed when not using an Atom entry.
throw new ClientException(_('Atom post must be an Atom entry.'));
return;
}
$activity = new Activity($dom->documentElement);
$fave = null;
if (Event::handle('StartAtomPubNewActivity', array(&$activity))) {
if ($activity->verb != ActivityVerb::FAVORITE) {
// TRANS: Client exception thrown when trying use an incorrect activity verb for the Atom pub method.
throw new ClientException(_('Can only handle favorite activities.'));
return;
}
$note = $activity->objects[0];
if (!in_array($note->type, array(ActivityObject::NOTE, ActivityObject::BLOGENTRY, ActivityObject::STATUS))) {
// TRANS: Client exception thrown when trying favorite an object that is not a notice.
throw new ClientException(_('Can only fave notices.'));
return;
}
$notice = Notice::staticGet('uri', $note->id);
if (empty($notice)) {
// XXX: import from listed URL or something
// TRANS: Client exception thrown when trying favorite a notice without content.
throw new ClientException(_('Unknown note.'));
}
$old = Fave::pkeyGet(array('user_id' => $this->auth_user->id, 'notice_id' => $notice->id));
if (!empty($old)) {
// TRANS: Client exception thrown when trying favorite an already favorited notice.
throw new ClientException(_('Already a favorite.'));
}
$profile = $this->auth_user->getProfile();
$fave = Fave::addNew($profile, $notice);
if (!empty($fave)) {
$this->_profile->blowFavesCache();
$this->notify($fave, $notice, $this->auth_user);
}
Event::handle('EndAtomPubNewActivity', array($activity, $fave));
}
if (!empty($fave)) {
$act = $fave->asActivity();
header('Content-Type: application/atom+xml; charset=utf-8');
header('Content-Location: ' . $act->selfLink);
$this->startXML();
$this->raw($act->asString(true, true, true));
$this->endXML();
}
}
function hasFave($notice)
{
$cache = common_memcache();
// XXX: Kind of a hack.
if (!empty($cache)) {
// This is the stream of favorite notices, in rev chron
// order. This forces it into cache.
$ids = Fave::stream($this->id, 0, NOTICE_CACHE_WINDOW);
// If it's in the list, then it's a fave
if (in_array($notice->id, $ids)) {
return true;
}
// If we're not past the end of the cache window,
// then the cache has all available faves, so this one
// is not a fave.
if (count($ids) < NOTICE_CACHE_WINDOW) {
return false;
}
// Otherwise, cache doesn't have all faves;
// fall through to the default
}
$fave = Fave::pkeyGet(array('user_id' => $this->id, 'notice_id' => $notice->id));
return is_null($fave) ? false : true;
}
/**
* Remote user doesn't like one of our posts after all!
* Confirm the post is ours, and save a local favorite event.
*/
function handleUnfavorite()
{
$notice = $this->getNotice($this->activity->objects[0]);
$profile = $this->ensureProfile()->localProfile();
$fave = Fave::pkeyGet(array('user_id' => $profile->id, 'notice_id' => $notice->id));
if (empty($fave)) {
// TRANS: Client exception.
throw new ClientException(_('Notice wasn\'t favorited!'));
}
$fave->delete();
}
function hasFave($notice)
{
$fave = Fave::pkeyGet(array('user_id' => $this->id, 'notice_id' => $notice->id));
return is_null($fave) ? false : true;
}
/**
* Notify remote users when their notices get favorited.
*
* @param Profile or User $profile of local user doing the faving
* @param Notice $notice being favored
* @return hook return value
*/
function onEndFavorNotice(Profile $profile, Notice $notice)
{
// Only distribute local users' favor actions, remote users
// will have already distributed theirs.
if (!$profile->isLocal()) {
return true;
}
$oprofile = Ostatus_profile::getKV('profile_id', $notice->profile_id);
if (!$oprofile instanceof Ostatus_profile) {
return true;
}
$fav = Fave::pkeyGet(array('user_id' => $profile->id, 'notice_id' => $notice->id));
if (!$fav instanceof Fave) {
// That's weird.
// TODO: Make pkeyGet throw exception, since this is a critical failure.
return true;
}
$act = $fav->asActivity();
$oprofile->notifyActivity($act, $profile);
return true;
}
function onEndFavorNotice($profile, $notice)
{
// Only do this if config is enabled
if (!$this->StartLike) {
return true;
}
$user = $profile->getUser();
if (!empty($user)) {
$author = $notice->getProfile();
$fave = Fave::pkeyGet(array('user_id' => $user->id, 'notice_id' => $notice->id));
// TRANS: Text for "liked" item in activity plugin.
// TRANS: %1$s is a profile URL, %2$s is a profile name,
// TRANS: %3$s is a notice URL, %4$s is an author name.
$rendered = sprintf(_m('<a href="%1$s">%2$s</a> liked <a href="%3$s">%4$s\'s update</a>.'), $profile->profileurl, $profile->getBestName(), $notice->bestUrl(), $author->getBestName());
// TRANS: Text for "liked" item in activity plugin.
// TRANS: %1$s is a profile name, %2$s is a profile URL,
// TRANS: %3$s is an author name, %4$s is a notice URL.
$content = sprintf(_m('%1$s (%2$s) liked %3$s\'s status (%4$s).'), $profile->getBestName(), $profile->profileurl, $author->getBestName(), $notice->bestUrl());
$notice = Notice::saveNew($user->id, $content, ActivityPlugin::SOURCE, array('rendered' => $rendered, 'urls' => array(), 'replies' => array($author->getUri()), 'uri' => $fave->getURI(), 'verb' => ActivityVerb::FAVORITE, 'content_type' => NOTICE::CONTENT_TYPE_ACTIVITY, 'object_type' => $notice->verb == ActivityVerb::POST ? $notice->object_type : ActivityObject::ACTIVITY));
}
return true;
}
function hasFave($notice)
{
$cache = common_memcache();
# XXX: Kind of a hack.
if ($cache) {
# This is the stream of favorite notices, in rev chron
# order. This forces it into cache.
$faves = $this->favoriteNotices(0, NOTICE_CACHE_WINDOW);
$cnt = 0;
while ($faves->fetch()) {
if ($faves->id < $notice->id) {
# If we passed it, it's not a fave
return false;
} else {
if ($faves->id == $notice->id) {
# If it matches a cached notice, then it's a fave
return true;
}
}
$cnt++;
}
# If we're not past the end of the cache window,
# then the cache has all available faves, so this one
# is not a fave.
if ($cnt < NOTICE_CACHE_WINDOW) {
return false;
}
# Otherwise, cache doesn't have all faves;
# fall through to the default
}
$fave = Fave::pkeyGet(array('user_id' => $this->id, 'notice_id' => $notice->id));
return is_null($fave) ? false : true;
}
