+ $act->time = time();
+ $act->title = _("Unfollow");
+ $act->content = sprintf(_("%s stopped following %s."),
+ $profile->getBestName(),
+ $other->getBestName());
+
+ $act->actor = ActivityObject::fromProfile($profile);
+ $act->object = ActivityObject::fromProfile($other);
+
+ $oprofile->notifyActivity($act, $profile);
+
+ return true;
+ }
+
+ /**
+ * When one of our local users tries to join a remote group,
+ * notify the remote server. If the notification is rejected,
+ * deny the join.
+ *
+ * @param User_group $group
+ * @param User $user
+ *
+ * @return mixed hook return value
+ */
+
+ function onStartJoinGroup($group, $user)
+ {
+ $oprofile = Ostatus_profile::staticGet('group_id', $group->id);
+ if ($oprofile) {
+ if (!$oprofile->subscribe()) {
+ throw new Exception(_m('Could not set up remote group membership.'));
+ }
+
+ $member = Profile::staticGet($user->id);
+
+ $act = new Activity();
+ $act->id = TagURI::mint('join:%d:%d:%s',
+ $member->id,
+ $group->id,
+ common_date_iso8601(time()));
+
+ $act->actor = ActivityObject::fromProfile($member);
+ $act->verb = ActivityVerb::JOIN;
+ $act->object = $oprofile->asActivityObject();
+
+ $act->time = time();
+ $act->title = _m("Join");
+ $act->content = sprintf(_m("%s has joined group %s."),
+ $member->getBestName(),
+ $oprofile->getBestName());
+
+ if ($oprofile->notifyActivity($act, $member)) {
+ return true;
+ } else {
+ $oprofile->garbageCollect();
+ throw new Exception(_m("Failed joining remote group."));
+ }
+ }
+ }
+
+ /**
+ * When one of our local users leaves a remote group, notify the remote
+ * server.
+ *
+ * @fixme Might be good to schedule a resend of the leave notification
+ * if it failed due to a transitory error. We've canceled the local
+ * membership already anyway, but if the remote server comes back up
+ * it'll be left with a stray membership record.
+ *
+ * @param User_group $group
+ * @param User $user
+ *
+ * @return mixed hook return value
+ */
+
+ function onEndLeaveGroup($group, $user)
+ {
+ $oprofile = Ostatus_profile::staticGet('group_id', $group->id);
+ if ($oprofile) {
+ // Drop the PuSH subscription if there are no other subscribers.
+ $oprofile->garbageCollect();
+
+
+ $member = Profile::staticGet($user->id);
+
+ $act = new Activity();
+ $act->id = TagURI::mint('leave:%d:%d:%s',
+ $member->id,
+ $group->id,
+ common_date_iso8601(time()));
+
+ $act->actor = ActivityObject::fromProfile($member);
+ $act->verb = ActivityVerb::LEAVE;
+ $act->object = $oprofile->asActivityObject();
+
+ $act->time = time();
+ $act->title = _m("Leave");
+ $act->content = sprintf(_m("%s has left group %s."),
+ $member->getBestName(),
+ $oprofile->getBestName());
+
+ $oprofile->notifyActivity($act, $member);
+ }
+ }
+
+ /**
+ * 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;
+ }
+
+ $act = new Activity();
+
+ $act->verb = ActivityVerb::FAVORITE;
+ $act->id = TagURI::mint('favor:%d:%d:%s',
+ $profile->id,
+ $notice->id,
+ common_date_iso8601(time()));
+
+ $act->time = time();
+ $act->title = _("Favor");
+ $act->content = sprintf(_("%s marked notice %s as a favorite."),
+ $profile->getBestName(),
+ $notice->uri);
+
+ $act->actor = ActivityObject::fromProfile($profile);
+ $act->object = ActivityObject::fromNotice($notice);
+
+ $oprofile->notifyActivity($act, $profile);
+
+ return true;
+ }
+
+ /**
+ * Notify remote users when their notices get de-favorited.
+ *
+ * @param Profile $profile Profile person doing the de-faving
+ * @param Notice $notice Notice being favored
+ *
+ * @return hook return value
+ */
+
+ function onEndDisfavorNotice(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;
+ }
+
+ $act = new Activity();
+
+ $act->verb = ActivityVerb::UNFAVORITE;
+ $act->id = TagURI::mint('disfavor:%d:%d:%s',
+ $profile->id,
+ $notice->id,
+ common_date_iso8601(time()));
+ $act->time = time();
+ $act->title = _("Disfavor");
+ $act->content = sprintf(_("%s marked notice %s as no longer a favorite."),
+ $profile->getBestName(),
+ $notice->uri);
+
+ $act->actor = ActivityObject::fromProfile($profile);
+ $act->object = ActivityObject::fromNotice($notice);
+
+ $oprofile->notifyActivity($act, $profile);
+
+ return true;
+ }
+
+ function onStartGetProfileUri($profile, &$uri)
+ {
+ $oprofile = Ostatus_profile::staticGet('profile_id', $profile->id);
+ if (!empty($oprofile)) {
+ $uri = $oprofile->uri;
+ return false;
+ }
+ return true;
+ }
+
+ function onStartUserGroupHomeUrl($group, &$url)
+ {
+ return $this->onStartUserGroupPermalink($group, $url);
+ }
+
+ function onStartUserGroupPermalink($group, &$url)
+ {
+ $oprofile = Ostatus_profile::staticGet('group_id', $group->id);
+ if ($oprofile) {
+ // @fixme this should probably be in the user_group table
+ // @fixme this uri not guaranteed to be a profile page
+ $url = $oprofile->uri;