/**
* Constructor
*
* @param User $user the user for the feed
* @param User $cur the current authenticated user, if any
* @param boolean $indent flag to turn indenting on or off
*
* @return void
*/
function __construct($user, $cur = null, $indent = true)
{
parent::__construct($cur, $indent);
$this->user = $user;
if (!empty($user)) {
$profile = $user->getProfile();
$ao = ActivityObject::fromProfile($profile);
array_push($ao->extra, $profile->profileInfo($cur));
// XXX: For users, we generate an author _AND_ an <activity:subject>
// This is for backward compatibility with clients (especially
// StatusNet's clients) that assume the Atom will conform to an
// older version of the Activity Streams API. Subject should be
// removed in future versions of StatusNet.
$this->addAuthorRaw($ao->asString('author'));
$depMsg = 'Deprecation warning: activity:subject is present ' . 'only for backward compatibility. It will be ' . 'removed in the next version of StatusNet.';
$this->addAuthorRaw("<!--{$depMsg}-->\n" . $ao->asString('activity:subject'));
}
// TRANS: Title in atom user notice feed. %s is a user name.
$title = sprintf(_("%s timeline"), $user->nickname);
$this->setTitle($title);
$sitename = common_config('site', 'name');
$subtitle = sprintf(_('Updates from %1$s on %2$s!'), $user->nickname, $sitename);
$this->setSubtitle($subtitle);
$avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
$logo = $avatar ? $avatar->displayUrl() : Avatar::defaultImage(AVATAR_PROFILE_SIZE);
$this->setLogo($logo);
$this->setUpdated('now');
$this->addLink(common_local_url('showstream', array('nickname' => $user->nickname)));
$self = common_local_url('ApiTimelineUser', array('id' => $user->id, 'format' => 'atom'));
$this->setId($self);
$this->setSelfLink($self);
$this->addLink(common_local_url('sup', null, null, $user->id), array('rel' => 'http://api.friendfeed.com/2008/03#sup', 'type' => 'application/json'));
}
function asActivity()
{
$notice = Notice::staticGet('id', $this->notice_id);
if (!$notice) {
throw new Exception("Fave for non-existent notice: " . $this->notice_id);
}
$profile = Profile::staticGet('id', $this->user_id);
if (!$profile) {
throw new Exception("Fave by non-existent profile: " . $this->user_id);
}
$act = new Activity();
$act->verb = ActivityVerb::FAVORITE;
// FIXME: rationalize this with URL below
$act->id = $this->getURI();
$act->time = strtotime($this->modified);
// TRANS: Activity title when marking a notice as favorite.
$act->title = _("Favor");
// TRANS: Ntofication given when a user marks a notice as favorite.
// TRANS: %1$s is a user nickname or full name, %2$s is a notice URI.
$act->content = sprintf(_('%1$s marked notice %2$s as a favorite.'), $profile->getBestName(), $notice->uri);
$act->actor = ActivityObject::fromProfile($profile);
$act->objects[] = ActivityObject::fromNotice($notice);
$url = common_local_url('AtomPubShowFavorite', array('profile' => $this->user_id, 'notice' => $this->notice_id));
$act->selfLink = $url;
$act->editLink = $url;
return $act;
}
/**
* Ping remote profiles with updates to this profile.
* Salmon pings are queued for background processing.
*/
function onEndBroadcastProfile(Profile $profile)
{
$user = User::staticGet('id', $profile->id);
// Find foreign accounts I'm subscribed to that support Salmon pings.
//
// @fixme we could run updates through the PuSH feed too,
// in which case we can skip Salmon pings to folks who
// are also subscribed to me.
$sql = "SELECT * FROM ostatus_profile " . "WHERE profile_id IN " . "(SELECT subscribed FROM subscription WHERE subscriber=%d) " . "OR group_id IN " . "(SELECT group_id FROM group_member WHERE profile_id=%d)";
$oprofile = new Ostatus_profile();
$oprofile->query(sprintf($sql, $profile->id, $profile->id));
if ($oprofile->N == 0) {
common_log(LOG_DEBUG, "No OStatus remote subscribees for {$profile->nickname}");
return true;
}
$act = new Activity();
$act->verb = ActivityVerb::UPDATE_PROFILE;
$act->id = TagURI::mint('update-profile:%d:%s', $profile->id, common_date_iso8601(time()));
$act->time = time();
// TRANS: Title for activity.
$act->title = _m('Profile update');
// TRANS: Ping text for remote profile update through OStatus.
// TRANS: %s is user that updated their profile.
$act->content = sprintf(_m('%s has updated their profile page.'), $profile->getBestName());
$act->actor = ActivityObject::fromProfile($profile);
$act->object = $act->actor;
while ($oprofile->fetch()) {
$oprofile->notifyDeferred($act, $profile);
}
return true;
}
function asActivity()
{
$subscriber = Profile::staticGet('id', $this->subscriber);
$subscribed = Profile::staticGet('id', $this->subscribed);
$act = new Activity();
$act->verb = ActivityVerb::FOLLOW;
// XXX: rationalize this with the URL
$act->id = TagURI::mint('follow:%d:%d:%s', $subscriber->id, $subscribed->id, common_date_iso8601($this->created));
$act->time = strtotime($this->created);
// TRANS: Activity title when subscribing to another person.
$act->title = _m('TITLE', 'Follow');
// TRANS: Notification given when one person starts following another.
// TRANS: %1$s is the subscriber, %2$s is the subscribed.
$act->content = sprintf(_('%1$s is now following %2$s.'), $subscriber->getBestName(), $subscribed->getBestName());
$act->actor = ActivityObject::fromProfile($subscriber);
$act->objects[] = ActivityObject::fromProfile($subscribed);
$url = common_local_url('AtomPubShowSubscription', array('subscriber' => $subscriber->id, 'subscribed' => $subscribed->id));
$act->selfLink = $url;
$act->editLink = $url;
return $act;
}
/**
* Returns an XML string fragment with profile information as an
* Activity Streams noun object with the given element type.
*
* Assumes that 'activity', 'georss', and 'poco' namespace has been
* previously defined.
*
* @param string $element one of 'actor', 'subject', 'object', 'target'
*
* @return string
*/
function asActivityNoun($element)
{
$noun = ActivityObject::fromProfile($this);
return $noun->asString('activity:' . $element);
}
function registrationActivity()
{
$profile = $this->getProfile();
$service = new ActivityObject();
$service->type = ActivityObject::SERVICE;
$service->title = common_config('site', 'name');
$service->link = common_root_url();
$service->id = $service->link;
$act = new Activity();
$act->actor = ActivityObject::fromProfile($profile);
$act->verb = ActivityVerb::JOIN;
$act->objects[] = $service;
$act->id = TagURI::mint('user:register:%d', $this->id);
$act->time = strtotime($this->created);
$act->title = _("Register");
$act->content = sprintf(_('%1$s joined %2$s.'), $profile->getBestName(), $service->title);
return $act;
}
function asActivity()
{
$member = $this->getMember();
$group = $this->getGroup();
$act = new Activity();
$act->id = TagURI::mint('join:%d:%d:%s', $member->id, $group->id, common_date_iso8601($this->created));
$act->actor = ActivityObject::fromProfile($member);
$act->verb = ActivityVerb::JOIN;
$act->objects[] = ActivityObject::fromGroup($group);
$act->time = strtotime($this->created);
// TRANS: Activity title.
$act->title = _("Join");
// TRANS: Success message for subscribe to group attempt through OStatus.
// TRANS: %1$s is the member name, %2$s is the subscribed group's name.
$act->content = sprintf(_('%1$s has joined group %2$s.'), $member->getBestName(), $group->getBestName());
return $act;
}
function asActivity()
{
$subscriber = Profile::staticGet('id', $this->subscriber);
$subscribed = Profile::staticGet('id', $this->subscribed);
$act = new Activity();
$act->verb = ActivityVerb::FOLLOW;
$act->id = TagURI::mint('follow:%d:%d:%s', $subscriber->id, $subscribed->id, common_date_iso8601($this->created));
$act->time = strtotime($this->created);
// TRANS: Activity tile when subscribing to another person.
$act->title = _("Follow");
// TRANS: Notification given when one person starts following another.
// TRANS: %1$s is the subscriber, %2$s is the subscribed.
$act->content = sprintf(_('%1$s is now following %2$s.'), $subscriber->getBestName(), $subscribed->getBestName());
$act->actor = ActivityObject::fromProfile($subscriber);
$act->objects[] = ActivityObject::fromProfile($subscribed);
return $act;
}
function asActivity()
{
$notice = Notice::staticGet('id', $this->notice_id);
$profile = Profile::staticGet('id', $this->user_id);
$act = new Activity();
$act->verb = ActivityVerb::FAVORITE;
$act->id = TagURI::mint('favor:%d:%d:%s', $profile->id, $notice->id, common_date_iso8601($this->modified));
$act->time = strtotime($this->modified);
// TRANS: Activity title when marking a notice as favorite.
$act->title = _("Favor");
// TRANS: Ntofication given when a user marks a notice as favorite.
// TRANS: %1$s is a user nickname or full name, %2$s is a notice URI.
$act->content = sprintf(_('%1$s marked notice %2$s as a favorite.'), $profile->getBestName(), $notice->uri);
$act->actor = ActivityObject::fromProfile($profile);
$act->objects[] = ActivityObject::fromNotice($notice);
return $act;
}
function onEndNoticeAsActivity($notice, &$activity)
{
switch ($notice->verb) {
case ActivityVerb::FAVORITE:
$fave = Fave::staticGet('uri', $notice->uri);
if (!empty($fave)) {
$notice = Notice::staticGet('id', $fave->notice_id);
if (!empty($notice)) {
$cur = common_current_user();
$target = $notice->asActivity($cur);
if ($target->verb == ActivityVerb::POST) {
// "I like the thing you posted"
$activity->objects = $target->objects;
} else {
// "I like that you did whatever you did"
$activity->objects = array($target);
}
}
}
break;
case ActivityVerb::UNFAVORITE:
// FIXME: do something here
break;
case ActivityVerb::JOIN:
$mem = Group_member::staticGet('uri', $notice->uri);
if (!empty($mem)) {
$group = $mem->getGroup();
$activity->objects = array(ActivityObject::fromGroup($group));
}
break;
case ActivityVerb::LEAVE:
// FIXME: ????
break;
case ActivityVerb::FOLLOW:
$sub = Subscription::staticGet('uri', $notice->uri);
if (!empty($sub)) {
$profile = Profile::staticGet('id', $sub->subscribed);
if (!empty($profile)) {
$activity->objects = array(ActivityObject::fromProfile($profile));
}
}
break;
case ActivityVerb::UNFOLLOW:
// FIXME: ????
break;
}
return true;
}
function asActivity()
{
$act = new Activity();
if (Event::handle('StartMessageAsActivity', array($this, &$act))) {
$act->id = TagURI::mint(sprintf('activity:message:%d', $this->id));
$act->time = strtotime($this->created);
$act->link = $this->url;
$profile = Profile::staticGet('id', $this->from_profile);
if (empty($profile)) {
throw new Exception(sprintf("Sender profile not found: %d", $this->from_profile));
}
$act->actor = ActivityObject::fromProfile($profile);
$act->actor->extra[] = $profile->profileInfo();
$act->verb = ActivityVerb::POST;
$act->objects[] = ActivityObject::fromMessage($this);
$ctx = new ActivityContext();
$rprofile = Profile::staticGet('id', $this->to_profile);
if (empty($rprofile)) {
throw new Exception(sprintf("Receiver profile not found: %d", $this->to_profile));
}
$ctx->attention[] = $rprofile->getUri();
$ctx->attentionType[$rprofile->getUri()] = ActivityObject::PERSON;
$act->context = $ctx;
$source = $this->getSource();
if ($source) {
$act->generator = ActivityObject::fromNoticeSource($source);
}
Event::handle('EndMessageAsActivity', array($this, &$act));
}
return $act;
}
function asActivity()
{
$member = $this->getMember();
$group = $this->getGroup();
$act = new Activity();
$act->id = $this->getURI();
$act->actor = ActivityObject::fromProfile($member);
$act->verb = ActivityVerb::JOIN;
$act->objects[] = ActivityObject::fromGroup($group);
$act->time = strtotime($this->created);
// TRANS: Activity title.
$act->title = _("Join");
// TRANS: Success message for subscribe to group attempt through OStatus.
// TRANS: %1$s is the member name, %2$s is the subscribed group's name.
$act->content = sprintf(_('%1$s has joined group %2$s.'), $member->getBestName(), $group->getBestName());
$url = common_local_url('AtomPubShowMembership', array('profile' => $member->id, 'group' => $group->id));
$act->selfLink = $url;
$act->editLink = $url;
return $act;
}
function asActivity()
{
$profile = $this->getProfile();
$act = new Activity();
$act->actor = ActivityObject::fromProfile($profile);
$act->verb = ActivityVerb::POST;
$act->objects[] = ActivityObject::fromNotice($this);
$act->time = strtotime($this->created);
$act->link = $this->bestUrl();
$act->content = common_xml_safe_str($this->rendered);
$act->id = $this->uri;
$act->title = common_xml_safe_str($this->content);
$ctx = new ActivityContext();
if (!empty($this->reply_to)) {
$reply = Notice::staticGet('id', $this->reply_to);
if (!empty($reply)) {
$ctx->replyToID = $reply->uri;
$ctx->replyToUrl = $reply->bestUrl();
}
}
$ctx->location = $this->getLocation();
$conv = null;
if (!empty($this->conversation)) {
$conv = Conversation::staticGet('id', $this->conversation);
if (!empty($conv)) {
$ctx->conversation = $conv->uri;
}
}
$reply_ids = $this->getReplies();
foreach ($reply_ids as $id) {
$profile = Profile::staticGet('id', $id);
if (!empty($profile)) {
$ctx->attention[] = $profile->getUri();
}
}
$groups = $this->getGroups();
foreach ($groups as $group) {
$ctx->attention[] = $group->uri;
}
$act->context = $ctx;
return $act;
}
/**
* Convert a notice into an activity for export.
*
* @param User $cur Current user
*
* @return Activity activity object representing this Notice.
*/
function asActivity($cur)
{
$act = self::cacheGet(Cache::codeKey('notice:as-activity:' . $this->id));
if (!empty($act)) {
return $act;
}
$act = new Activity();
if (Event::handle('StartNoticeAsActivity', array($this, &$act))) {
$profile = $this->getProfile();
$act->actor = ActivityObject::fromProfile($profile);
$act->actor->extra[] = $profile->profileInfo($cur);
$act->verb = ActivityVerb::POST;
$act->objects[] = ActivityObject::fromNotice($this);
// XXX: should this be handled by default processing for object entry?
$act->time = strtotime($this->created);
$act->link = $this->bestUrl();
$act->content = common_xml_safe_str($this->rendered);
$act->id = $this->uri;
$act->title = common_xml_safe_str($this->content);
// Categories
$tags = $this->getTags();
foreach ($tags as $tag) {
$cat = new AtomCategory();
$cat->term = $tag;
$act->categories[] = $cat;
}
// Enclosures
// XXX: use Atom Media and/or File activity objects instead
$attachments = $this->attachments();
foreach ($attachments as $attachment) {
$enclosure = $attachment->getEnclosure();
if ($enclosure) {
$act->enclosures[] = $enclosure;
}
}
$ctx = new ActivityContext();
if (!empty($this->reply_to)) {
$reply = Notice::staticGet('id', $this->reply_to);
if (!empty($reply)) {
$ctx->replyToID = $reply->uri;
$ctx->replyToUrl = $reply->bestUrl();
}
}
$ctx->location = $this->getLocation();
$conv = null;
if (!empty($this->conversation)) {
$conv = Conversation::staticGet('id', $this->conversation);
if (!empty($conv)) {
$ctx->conversation = $conv->uri;
}
}
$reply_ids = $this->getReplies();
foreach ($reply_ids as $id) {
$profile = Profile::staticGet('id', $id);
if (!empty($profile)) {
$ctx->attention[] = $profile->getUri();
}
}
$groups = $this->getGroups();
foreach ($groups as $group) {
$ctx->attention[] = $group->getUri();
}
// XXX: deprecated; use ActivityVerb::SHARE instead
$repeat = null;
if (!empty($this->repeat_of)) {
$repeat = Notice::staticGet('id', $this->repeat_of);
$ctx->forwardID = $repeat->uri;
$ctx->forwardUrl = $repeat->bestUrl();
}
$act->context = $ctx;
// Source
$atom_feed = $profile->getAtomFeed();
if (!empty($atom_feed)) {
$act->source = new ActivitySource();
// XXX: we should store the actual feed ID
$act->source->id = $atom_feed;
// XXX: we should store the actual feed title
$act->source->title = $profile->getBestName();
$act->source->links['alternate'] = $profile->profileurl;
$act->source->links['self'] = $atom_feed;
$act->source->icon = $profile->avatarUrl(AVATAR_PROFILE_SIZE);
$notice = $profile->getCurrentNotice();
if (!empty($notice)) {
$act->source->updated = self::utcDate($notice->created);
}
$user = User::staticGet('id', $profile->id);
if (!empty($user)) {
$act->source->links['license'] = common_config('license', 'url');
}
}
if ($this->isLocal()) {
$act->selfLink = common_local_url('ApiStatusesShow', array('id' => $this->id, 'format' => 'atom'));
$act->editLink = $act->selfLink;
}
Event::handle('EndNoticeAsActivity', array($this, &$act));
}
self::cacheSet(Cache::codeKey('notice:as-activity:' . $this->id), $act);
return $act;
}
/**
* Returns an XML string fragment with profile information as an
* Activity Streams noun object with the given element type.
*
* Assumes that 'activity' namespace has been previously defined.
*
* @todo FIXME: Replace with wrappers on asActivityObject when it's got everything.
*
* @param string $element one of 'actor', 'subject', 'object', 'target'
* @return string
*/
function asActivityNoun($element)
{
if ($this->isGroup()) {
$noun = ActivityObject::fromGroup($this->localGroup());
return $noun->asString('activity:' . $element);
} else {
if ($this->isPeopletag()) {
$noun = ActivityObject::fromPeopletag($this->localPeopletag());
return $noun->asString('activity:' . $element);
} else {
$noun = ActivityObject::fromProfile($this->localProfile());
return $noun->asString('activity:' . $element);
}
}
}
/**
* Convert a notice into an activity for export.
*
* @param User $cur Current user
*
* @return Activity activity object representing this Notice.
*/
function asActivity($cur)
{
$act = self::cacheGet(Cache::codeKey('notice:as-activity:' . $this->id));
if (!empty($act)) {
return $act;
}
$act = new Activity();
if (Event::handle('StartNoticeAsActivity', array($this, &$act))) {
$act->id = TagURI::mint("post:" . $this->id);
$act->time = strtotime($this->created);
$act->content = common_xml_safe_str($this->rendered);
$profile = $this->getProfile();
$act->actor = ActivityObject::fromProfile($profile);
$act->actor->extra[] = $profile->profileInfo($cur);
$act->verb = $this->verb;
if ($this->repeat_of) {
$repeated = Notice::staticGet('id', $this->repeat_of);
if (!empty($repeated)) {
$act->objects[] = $repeated->asActivity($cur);
}
} else {
$act->objects[] = ActivityObject::fromNotice($this);
}
// XXX: should this be handled by default processing for object entry?
// Categories
$tags = $this->getTags();
foreach ($tags as $tag) {
$cat = new AtomCategory();
$cat->term = $tag;
$act->categories[] = $cat;
}
// Enclosures
// XXX: use Atom Media and/or File activity objects instead
$attachments = $this->attachments();
foreach ($attachments as $attachment) {
// Save local attachments
if (!empty($attachment->filename)) {
$act->attachments[] = ActivityObject::fromFile($attachment);
}
}
$ctx = new ActivityContext();
if (!empty($this->reply_to)) {
$reply = Notice::staticGet('id', $this->reply_to);
if (!empty($reply)) {
$ctx->replyToID = $reply->uri;
$ctx->replyToUrl = $reply->bestUrl();
}
}
$ctx->location = $this->getLocation();
$conv = null;
if (!empty($this->conversation)) {
$conv = Conversation::staticGet('id', $this->conversation);
if (!empty($conv)) {
$ctx->conversation = $conv->uri;
}
}
$reply_ids = $this->getReplies();
foreach ($reply_ids as $id) {
$rprofile = Profile::staticGet('id', $id);
if (!empty($rprofile)) {
$ctx->attention[] = $rprofile->getUri();
$ctx->attentionType[$rprofile->getUri()] = ActivityObject::PERSON;
}
}
$groups = $this->getGroups();
foreach ($groups as $group) {
$ctx->attention[] = $group->getUri();
$ctx->attentionType[$group->getUri()] = ActivityObject::GROUP;
}
switch ($this->scope) {
case Notice::PUBLIC_SCOPE:
$ctx->attention[] = "http://activityschema.org/collection/public";
$ctx->attentionType["http://activityschema.org/collection/public"] = ActivityObject::COLLECTION;
break;
case Notice::FOLLOWER_SCOPE:
$surl = common_local_url("subscribers", array('nickname' => $profile->nickname));
$ctx->attention[] = $surl;
$ctx->attentionType[$surl] = ActivityObject::COLLECTION;
break;
}
// XXX: deprecated; use ActivityVerb::SHARE instead
$repeat = null;
if (!empty($this->repeat_of)) {
$repeat = Notice::staticGet('id', $this->repeat_of);
if (!empty($repeat)) {
$ctx->forwardID = $repeat->uri;
$ctx->forwardUrl = $repeat->bestUrl();
}
}
$act->context = $ctx;
$source = $this->getSource();
if ($source) {
$act->generator = ActivityObject::fromNoticeSource($source);
}
// Source
$atom_feed = $profile->getAtomFeed();
if (!empty($atom_feed)) {
$act->source = new ActivitySource();
// XXX: we should store the actual feed ID
$act->source->id = $atom_feed;
// XXX: we should store the actual feed title
$act->source->title = $profile->getBestName();
$act->source->links['alternate'] = $profile->profileurl;
$act->source->links['self'] = $atom_feed;
$act->source->icon = $profile->avatarUrl(AVATAR_PROFILE_SIZE);
$notice = $profile->getCurrentNotice();
if (!empty($notice)) {
$act->source->updated = self::utcDate($notice->created);
}
$user = User::staticGet('id', $profile->id);
if (!empty($user)) {
$act->source->links['license'] = common_config('license', 'url');
}
}
if ($this->isLocal()) {
$act->selfLink = common_local_url('ApiStatusesShow', array('id' => $this->id, 'format' => 'atom'));
$act->editLink = $act->selfLink;
}
Event::handle('EndNoticeAsActivity', array($this, &$act));
}
self::cacheSet(Cache::codeKey('notice:as-activity:' . $this->id), $act);
return $act;
}
function writeFeedHeader($user, $handle)
{
fwrite($handle, '<?xml version="1.0" encoding="UTF-8"?>');
fwrite($handle, "\n");
fwrite($handle, '<feed xml:lang="en-US" xmlns="http://www.w3.org/2005/Atom" xmlns:thr="http://purl.org/syndication/thread/1.0" xmlns:georss="http://www.georss.org/georss" xmlns:activity="http://activitystrea.ms/spec/1.0/" xmlns:media="http://purl.org/syndication/atommedia" xmlns:poco="http://portablecontacts.net/spec/1.0" xmlns:ostatus="http://ostatus.org/schema/1.0" xmlns:statusnet="http://status.net/schema/api/1/">');
fwrite($handle, "\n");
$profile = $user->getProfile();
$author = ActivityObject::fromProfile($profile);
$xs = new XMLStringer();
$author->outputTo($xs, 'author');
fwrite($handle, $xs->getString());
fwrite($handle, "\n");
}
