gnu-social/classes/Profile.php
Evan Prodromou eb1faa7865 Merge branch '1.0.x' into limitdist
Conflicts:
	classes/Notice.php
2011-03-23 15:58:27 -04:00

1205 lines
34 KiB
PHP

<?php
/*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
/**
* Table Definition for profile
*/
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
class Profile extends Memcached_DataObject
{
###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
public $__table = 'profile'; // table name
public $id; // int(4) primary_key not_null
public $nickname; // varchar(64) multiple_key not_null
public $fullname; // varchar(255) multiple_key
public $profileurl; // varchar(255)
public $homepage; // varchar(255) multiple_key
public $bio; // text() multiple_key
public $location; // varchar(255) multiple_key
public $lat; // decimal(10,7)
public $lon; // decimal(10,7)
public $location_id; // int(4)
public $location_ns; // int(4)
public $created; // datetime() not_null
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
/* Static get */
function staticGet($k,$v=NULL) {
return Memcached_DataObject::staticGet('Profile',$k,$v);
}
/* the code above is auto generated do not remove the tag below */
###END_AUTOCODE
function getUser()
{
return User::staticGet('id', $this->id);
}
function getAvatar($width, $height=null)
{
if (is_null($height)) {
$height = $width;
}
return Avatar::pkeyGet(array('profile_id' => $this->id,
'width' => $width,
'height' => $height));
}
function getOriginalAvatar()
{
$avatar = DB_DataObject::factory('avatar');
$avatar->profile_id = $this->id;
$avatar->original = true;
if ($avatar->find(true)) {
return $avatar;
} else {
return null;
}
}
function setOriginal($filename)
{
$imagefile = new ImageFile($this->id, Avatar::path($filename));
$avatar = new Avatar();
$avatar->profile_id = $this->id;
$avatar->width = $imagefile->width;
$avatar->height = $imagefile->height;
$avatar->mediatype = image_type_to_mime_type($imagefile->type);
$avatar->filename = $filename;
$avatar->original = true;
$avatar->url = Avatar::url($filename);
$avatar->created = DB_DataObject_Cast::dateTime(); # current time
// XXX: start a transaction here
if (!$this->delete_avatars() || !$avatar->insert()) {
@unlink(Avatar::path($filename));
return null;
}
foreach (array(AVATAR_PROFILE_SIZE, AVATAR_STREAM_SIZE, AVATAR_MINI_SIZE) as $size) {
// We don't do a scaled one if original is our scaled size
if (!($avatar->width == $size && $avatar->height == $size)) {
$scaled_filename = $imagefile->resize($size);
//$scaled = DB_DataObject::factory('avatar');
$scaled = new Avatar();
$scaled->profile_id = $this->id;
$scaled->width = $size;
$scaled->height = $size;
$scaled->original = false;
$scaled->mediatype = image_type_to_mime_type($imagefile->type);
$scaled->filename = $scaled_filename;
$scaled->url = Avatar::url($scaled_filename);
$scaled->created = DB_DataObject_Cast::dateTime(); # current time
if (!$scaled->insert()) {
return null;
}
}
}
return $avatar;
}
/**
* Delete attached avatars for this user from the database and filesystem.
* This should be used instead of a batch delete() to ensure that files
* get removed correctly.
*
* @param boolean $original true to delete only the original-size file
* @return <type>
*/
function delete_avatars($original=true)
{
$avatar = new Avatar();
$avatar->profile_id = $this->id;
$avatar->find();
while ($avatar->fetch()) {
if ($avatar->original) {
if ($original == false) {
continue;
}
}
$avatar->delete();
}
return true;
}
/**
* Gets either the full name (if filled) or the nickname.
*
* @return string
*/
function getBestName()
{
return ($this->fullname) ? $this->fullname : $this->nickname;
}
/**
* Gets the full name (if filled) with nickname as a parenthetical, or the nickname alone
* if no fullname is provided.
*
* @return string
*/
function getFancyName()
{
if ($this->fullname) {
// TRANS: Full name of a profile or group followed by nickname in parens
return sprintf(_m('FANCYNAME','%1$s (%2$s)'), $this->fullname, $this->nickname);
} else {
return $this->nickname;
}
}
/**
* Get the most recent notice posted by this user, if any.
*
* @return mixed Notice or null
*/
function getCurrentNotice()
{
$notice = $this->getNotices(0, 1);
if ($notice->fetch()) {
if ($notice instanceof ArrayWrapper) {
// hack for things trying to work with single notices
return $notice->_items[0];
}
return $notice;
} else {
return null;
}
}
function getTaggedNotices($tag, $offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $max_id=0)
{
$stream = new NoticeStream(array($this, '_streamTaggedDirect'),
array($tag),
'profile:notice_ids_tagged:'.$this->id.':'.$tag);
return $stream->getNotices($offset, $limit, $since_id, $max_id);
}
function getNotices($offset=0, $limit=NOTICES_PER_PAGE, $since_id=0, $max_id=0)
{
$stream = new NoticeStream(array($this, '_streamDirect'),
array(),
'profile:notice_ids:' . $this->id);
return $stream->getNotices($offset, $limit, $since_id, $max_id);
}
function _streamTaggedDirect($tag, $offset, $limit, $since_id, $max_id)
{
// XXX It would be nice to do this without a join
// (necessary to do it efficiently on accounts with long history)
$notice = new Notice();
$query =
"select id from notice join notice_tag on id=notice_id where tag='".
$notice->escape($tag) .
"' and profile_id=" . intval($this->id);
$since = Notice::whereSinceId($since_id, 'id', 'notice.created');
if ($since) {
$query .= " and ($since)";
}
$max = Notice::whereMaxId($max_id, 'id', 'notice.created');
if ($max) {
$query .= " and ($max)";
}
$query .= ' order by notice.created DESC, id DESC';
if (!is_null($offset)) {
$query .= " LIMIT " . intval($limit) . " OFFSET " . intval($offset);
}
$notice->query($query);
$ids = array();
while ($notice->fetch()) {
$ids[] = $notice->id;
}
return $ids;
}
function _streamDirect($offset, $limit, $since_id, $max_id)
{
$notice = new Notice();
$notice->profile_id = $this->id;
$notice->selectAdd();
$notice->selectAdd('id');
Notice::addWhereSinceId($notice, $since_id);
Notice::addWhereMaxId($notice, $max_id);
$notice->orderBy('created DESC, id DESC');
if (!is_null($offset)) {
$notice->limit($offset, $limit);
}
$notice->find();
$ids = array();
while ($notice->fetch()) {
$ids[] = $notice->id;
}
return $ids;
}
function isMember($group)
{
$mem = new Group_member();
$mem->group_id = $group->id;
$mem->profile_id = $this->id;
if ($mem->find()) {
return true;
} else {
return false;
}
}
function isAdmin($group)
{
$mem = new Group_member();
$mem->group_id = $group->id;
$mem->profile_id = $this->id;
$mem->is_admin = 1;
if ($mem->find()) {
return true;
} else {
return false;
}
}
function isPendingMember($group)
{
$request = Group_join_queue::pkeyGet(array('profile_id' => $this->id,
'group_id' => $group->id));
return !empty($request);
}
function getGroups($offset=0, $limit=null)
{
$qry =
'SELECT user_group.* ' .
'FROM user_group JOIN group_member '.
'ON user_group.id = group_member.group_id ' .
'WHERE group_member.profile_id = %d ' .
'ORDER BY group_member.created DESC ';
if ($offset>0 && !is_null($limit)) {
if ($offset) {
if (common_config('db','type') == 'pgsql') {
$qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
} else {
$qry .= ' LIMIT ' . $offset . ', ' . $limit;
}
}
}
$groups = new User_group();
$cnt = $groups->query(sprintf($qry, $this->id));
return $groups;
}
/**
* Request to join the given group.
* May throw exceptions on failure.
*
* @param User_group $group
* @return mixed: Group_member on success, Group_join_queue if pending approval, null on some cancels?
*/
function joinGroup(User_group $group)
{
$join = null;
if ($group->join_policy == User_group::JOIN_POLICY_MODERATE) {
$join = Group_join_queue::saveNew($this, $group);
} else {
if (Event::handle('StartJoinGroup', array($group, $this))) {
$join = Group_member::join($group->id, $this->id);
Event::handle('EndJoinGroup', array($group, $this));
}
}
if ($join) {
// Send any applicable notifications...
$join->notify();
}
return $join;
}
/**
* Cancel a pending group join...
*
* @param User_group $group
*/
function cancelJoinGroup(User_group $group)
{
$request = Group_join_queue::pkeyGet(array('profile_id' => $this->id,
'group_id' => $group->id));
if ($request) {
if (Event::handle('StartCancelJoinGroup', array($group, $this))) {
$request->delete();
Event::handle('EndCancelJoinGroup', array($group, $this));
}
}
}
/**
* Complete a pending group join on our end...
*
* @param User_group $group
*/
function completeJoinGroup(User_group $group)
{
$join = null;
$request = Group_join_queue::pkeyGet(array('profile_id' => $this->id,
'group_id' => $group->id));
if ($request) {
if (Event::handle('StartJoinGroup', array($group, $this))) {
$join = Group_member::join($group->id, $this->id);
$request->delete();
Event::handle('EndJoinGroup', array($group, $this));
}
} else {
throw new Exception(_m('Invalid group join approval: not pending.'));
}
if ($join) {
$join->notify();
}
return $join;
}
/**
* Leave a group that this profile is a member of.
*
* @param User_group $group
*/
function leaveGroup(User_group $group)
{
if (Event::handle('StartLeaveGroup', array($group, $this))) {
Group_member::leave($group->id, $this->id);
Event::handle('EndLeaveGroup', array($group, $this));
}
}
function avatarUrl($size=AVATAR_PROFILE_SIZE)
{
$avatar = $this->getAvatar($size);
if ($avatar) {
return $avatar->displayUrl();
} else {
return Avatar::defaultImage($size);
}
}
function getSubscriptions($offset=0, $limit=null)
{
$subs = Subscription::bySubscriber($this->id,
$offset,
$limit);
$profiles = array();
while ($subs->fetch()) {
$profile = Profile::staticGet($subs->subscribed);
if ($profile) {
$profiles[] = $profile;
}
}
return new ArrayWrapper($profiles);
}
function getSubscribers($offset=0, $limit=null)
{
$subs = Subscription::bySubscribed($this->id,
$offset,
$limit);
$profiles = array();
while ($subs->fetch()) {
$profile = Profile::staticGet($subs->subscriber);
if ($profile) {
$profiles[] = $profile;
}
}
return new ArrayWrapper($profiles);
}
function subscriptionCount()
{
$c = Cache::instance();
if (!empty($c)) {
$cnt = $c->get(Cache::key('profile:subscription_count:'.$this->id));
if (is_integer($cnt)) {
return (int) $cnt;
}
}
$sub = new Subscription();
$sub->subscriber = $this->id;
$cnt = (int) $sub->count('distinct subscribed');
$cnt = ($cnt > 0) ? $cnt - 1 : $cnt;
if (!empty($c)) {
$c->set(Cache::key('profile:subscription_count:'.$this->id), $cnt);
}
return $cnt;
}
function subscriberCount()
{
$c = Cache::instance();
if (!empty($c)) {
$cnt = $c->get(Cache::key('profile:subscriber_count:'.$this->id));
if (is_integer($cnt)) {
return (int) $cnt;
}
}
$sub = new Subscription();
$sub->subscribed = $this->id;
$sub->whereAdd('subscriber != subscribed');
$cnt = (int) $sub->count('distinct subscriber');
if (!empty($c)) {
$c->set(Cache::key('profile:subscriber_count:'.$this->id), $cnt);
}
return $cnt;
}
/**
* Is this profile subscribed to another profile?
*
* @param Profile $other
* @return boolean
*/
function isSubscribed($other)
{
return Subscription::exists($this, $other);
}
/**
* Are these two profiles subscribed to each other?
*
* @param Profile $other
* @return boolean
*/
function mutuallySubscribed($other)
{
return $this->isSubscribed($other) &&
$other->isSubscribed($this);
}
function hasFave($notice)
{
$cache = Cache::instance();
// XXX: Kind of a hack.
if (!empty($cache)) {
// This is the stream of favorite notices, in rev chron
// order. This forces it into cache.
$ids = Fave::idStream($this->id, 0, NoticeStream::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) < NoticeStream::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);
}
function faveCount()
{
$c = Cache::instance();
if (!empty($c)) {
$cnt = $c->get(Cache::key('profile:fave_count:'.$this->id));
if (is_integer($cnt)) {
return (int) $cnt;
}
}
$faves = new Fave();
$faves->user_id = $this->id;
$cnt = (int) $faves->count('distinct notice_id');
if (!empty($c)) {
$c->set(Cache::key('profile:fave_count:'.$this->id), $cnt);
}
return $cnt;
}
function noticeCount()
{
$c = Cache::instance();
if (!empty($c)) {
$cnt = $c->get(Cache::key('profile:notice_count:'.$this->id));
if (is_integer($cnt)) {
return (int) $cnt;
}
}
$notices = new Notice();
$notices->profile_id = $this->id;
$cnt = (int) $notices->count('distinct id');
if (!empty($c)) {
$c->set(Cache::key('profile:notice_count:'.$this->id), $cnt);
}
return $cnt;
}
function blowFavesCache()
{
$cache = Cache::instance();
if ($cache) {
// Faves don't happen chronologically, so we need to blow
// ;last cache, too
$cache->delete(Cache::key('fave:ids_by_user:'.$this->id));
$cache->delete(Cache::key('fave:ids_by_user:'.$this->id.';last'));
$cache->delete(Cache::key('fave:ids_by_user_own:'.$this->id));
$cache->delete(Cache::key('fave:ids_by_user_own:'.$this->id.';last'));
}
$this->blowFaveCount();
}
function blowSubscriberCount()
{
$c = Cache::instance();
if (!empty($c)) {
$c->delete(Cache::key('profile:subscriber_count:'.$this->id));
}
}
function blowSubscriptionCount()
{
$c = Cache::instance();
if (!empty($c)) {
$c->delete(Cache::key('profile:subscription_count:'.$this->id));
}
}
function blowFaveCount()
{
$c = Cache::instance();
if (!empty($c)) {
$c->delete(Cache::key('profile:fave_count:'.$this->id));
}
}
function blowNoticeCount()
{
$c = Cache::instance();
if (!empty($c)) {
$c->delete(Cache::key('profile:notice_count:'.$this->id));
}
}
static function maxBio()
{
$biolimit = common_config('profile', 'biolimit');
// null => use global limit (distinct from 0!)
if (is_null($biolimit)) {
$biolimit = common_config('site', 'textlimit');
}
return $biolimit;
}
static function bioTooLong($bio)
{
$biolimit = self::maxBio();
return ($biolimit > 0 && !empty($bio) && (mb_strlen($bio) > $biolimit));
}
function delete()
{
$this->_deleteNotices();
$this->_deleteSubscriptions();
$this->_deleteMessages();
$this->_deleteTags();
$this->_deleteBlocks();
$this->delete_avatars();
// Warning: delete() will run on the batch objects,
// not on individual objects.
$related = array('Reply',
'Group_member',
);
Event::handle('ProfileDeleteRelated', array($this, &$related));
foreach ($related as $cls) {
$inst = new $cls();
$inst->profile_id = $this->id;
$inst->delete();
}
parent::delete();
}
function _deleteNotices()
{
$notice = new Notice();
$notice->profile_id = $this->id;
if ($notice->find()) {
while ($notice->fetch()) {
$other = clone($notice);
$other->delete();
}
}
}
function _deleteSubscriptions()
{
$sub = new Subscription();
$sub->subscriber = $this->id;
$sub->find();
while ($sub->fetch()) {
$other = Profile::staticGet('id', $sub->subscribed);
if (empty($other)) {
continue;
}
if ($other->id == $this->id) {
continue;
}
Subscription::cancel($this, $other);
}
$subd = new Subscription();
$subd->subscribed = $this->id;
$subd->find();
while ($subd->fetch()) {
$other = Profile::staticGet('id', $subd->subscriber);
if (empty($other)) {
continue;
}
if ($other->id == $this->id) {
continue;
}
Subscription::cancel($other, $this);
}
$self = new Subscription();
$self->subscriber = $this->id;
$self->subscribed = $this->id;
$self->delete();
}
function _deleteMessages()
{
$msg = new Message();
$msg->from_profile = $this->id;
$msg->delete();
$msg = new Message();
$msg->to_profile = $this->id;
$msg->delete();
}
function _deleteTags()
{
$tag = new Profile_tag();
$tag->tagged = $this->id;
$tag->delete();
}
function _deleteBlocks()
{
$block = new Profile_block();
$block->blocked = $this->id;
$block->delete();
$block = new Group_block();
$block->blocked = $this->id;
$block->delete();
}
// XXX: identical to Notice::getLocation.
function getLocation()
{
$location = null;
if (!empty($this->location_id) && !empty($this->location_ns)) {
$location = Location::fromId($this->location_id, $this->location_ns);
}
if (is_null($location)) { // no ID, or Location::fromId() failed
if (!empty($this->lat) && !empty($this->lon)) {
$location = Location::fromLatLon($this->lat, $this->lon);
}
}
if (is_null($location)) { // still haven't found it!
if (!empty($this->location)) {
$location = Location::fromName($this->location);
}
}
return $location;
}
function hasRole($name)
{
$has_role = false;
if (Event::handle('StartHasRole', array($this, $name, &$has_role))) {
$role = Profile_role::pkeyGet(array('profile_id' => $this->id,
'role' => $name));
$has_role = !empty($role);
Event::handle('EndHasRole', array($this, $name, $has_role));
}
return $has_role;
}
function grantRole($name)
{
if (Event::handle('StartGrantRole', array($this, $name))) {
$role = new Profile_role();
$role->profile_id = $this->id;
$role->role = $name;
$role->created = common_sql_now();
$result = $role->insert();
if (!$result) {
throw new Exception("Can't save role '$name' for profile '{$this->id}'");
}
if ($name == 'owner') {
User::blow('user:site_owner');
}
Event::handle('EndGrantRole', array($this, $name));
}
return $result;
}
function revokeRole($name)
{
if (Event::handle('StartRevokeRole', array($this, $name))) {
$role = Profile_role::pkeyGet(array('profile_id' => $this->id,
'role' => $name));
if (empty($role)) {
// TRANS: Exception thrown when trying to revoke an existing role for a user that does not exist.
// TRANS: %1$s is the role name, %2$s is the user ID (number).
throw new Exception(sprintf(_('Cannot revoke role "%1$s" for user #%2$d; does not exist.'),$name, $this->id));
}
$result = $role->delete();
if (!$result) {
common_log_db_error($role, 'DELETE', __FILE__);
// TRANS: Exception thrown when trying to revoke a role for a user with a failing database query.
// TRANS: %1$s is the role name, %2$s is the user ID (number).
throw new Exception(sprintf(_('Cannot revoke role "%1$s" for user #%2$d; database error.'),$name, $this->id));
}
if ($name == 'owner') {
User::blow('user:site_owner');
}
Event::handle('EndRevokeRole', array($this, $name));
return true;
}
}
function isSandboxed()
{
return $this->hasRole(Profile_role::SANDBOXED);
}
function isSilenced()
{
return $this->hasRole(Profile_role::SILENCED);
}
function sandbox()
{
$this->grantRole(Profile_role::SANDBOXED);
}
function unsandbox()
{
$this->revokeRole(Profile_role::SANDBOXED);
}
function silence()
{
$this->grantRole(Profile_role::SILENCED);
}
function unsilence()
{
$this->revokeRole(Profile_role::SILENCED);
}
/**
* Does this user have the right to do X?
*
* With our role-based authorization, this is merely a lookup for whether the user
* has a particular role. The implementation currently uses a switch statement
* to determine if the user has the pre-defined role to exercise the right. Future
* implementations may allow per-site roles, and different mappings of roles to rights.
*
* @param $right string Name of the right, usually a constant in class Right
* @return boolean whether the user has the right in question
*/
function hasRight($right)
{
$result = false;
if ($this->hasRole(Profile_role::DELETED)) {
return false;
}
if (Event::handle('UserRightsCheck', array($this, $right, &$result))) {
switch ($right)
{
case Right::DELETEOTHERSNOTICE:
case Right::MAKEGROUPADMIN:
case Right::SANDBOXUSER:
case Right::SILENCEUSER:
case Right::DELETEUSER:
case Right::DELETEGROUP:
$result = $this->hasRole(Profile_role::MODERATOR);
break;
case Right::CONFIGURESITE:
$result = $this->hasRole(Profile_role::ADMINISTRATOR);
break;
case Right::GRANTROLE:
case Right::REVOKEROLE:
$result = $this->hasRole(Profile_role::OWNER);
break;
case Right::NEWNOTICE:
case Right::NEWMESSAGE:
case Right::SUBSCRIBE:
case Right::CREATEGROUP:
$result = !$this->isSilenced();
break;
case Right::PUBLICNOTICE:
case Right::EMAILONREPLY:
case Right::EMAILONSUBSCRIBE:
case Right::EMAILONFAVE:
$result = !$this->isSandboxed();
break;
case Right::WEBLOGIN:
$result = !$this->isSilenced();
break;
case Right::API:
$result = !$this->isSilenced();
break;
case Right::BACKUPACCOUNT:
$result = common_config('profile', 'backup');
break;
case Right::RESTOREACCOUNT:
$result = common_config('profile', 'restore');
break;
case Right::DELETEACCOUNT:
$result = common_config('profile', 'delete');
break;
case Right::MOVEACCOUNT:
$result = common_config('profile', 'move');
break;
default:
$result = false;
break;
}
}
return $result;
}
function hasRepeated($notice_id)
{
// XXX: not really a pkey, but should work
$notice = Memcached_DataObject::pkeyGet('Notice',
array('profile_id' => $this->id,
'repeat_of' => $notice_id));
return !empty($notice);
}
/**
* Returns an XML string fragment with limited profile information
* as an Atom <author> element.
*
* Assumes that Atom has been previously set up as the base namespace.
*
* @param Profile $cur the current authenticated user
*
* @return string
*/
function asAtomAuthor($cur = null)
{
$xs = new XMLStringer(true);
$xs->elementStart('author');
$xs->element('name', null, $this->nickname);
$xs->element('uri', null, $this->getUri());
if ($cur != null) {
$attrs = Array();
$attrs['following'] = $cur->isSubscribed($this) ? 'true' : 'false';
$attrs['blocking'] = $cur->hasBlocked($this) ? 'true' : 'false';
$xs->element('statusnet:profile_info', $attrs, null);
}
$xs->elementEnd('author');
return $xs->getString();
}
/**
* Extra profile info for atom entries
*
* Clients use some extra profile info in the atom stream.
* This gives it to them.
*
* @param User $cur Current user
*
* @return array representation of <statusnet:profile_info> element or null
*/
function profileInfo($cur)
{
$profileInfoAttr = array('local_id' => $this->id);
if ($cur != null) {
// Whether the current user is a subscribed to this profile
$profileInfoAttr['following'] = $cur->isSubscribed($this) ? 'true' : 'false';
// Whether the current user is has blocked this profile
$profileInfoAttr['blocking'] = $cur->hasBlocked($this) ? 'true' : 'false';
}
return array('statusnet:profile_info', $profileInfoAttr, null);
}
/**
* Returns an XML string fragment with profile information as an
* Activity Streams <activity:actor> element.
*
* Assumes that 'activity' namespace has been previously defined.
*
* @return string
*/
function asActivityActor()
{
return $this->asActivityNoun('actor');
}
/**
* 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);
}
/**
* Returns the best URI for a profile. Plugins may override.
*
* @return string $uri
*/
function getUri()
{
$uri = null;
// give plugins a chance to set the URI
if (Event::handle('StartGetProfileUri', array($this, &$uri))) {
// check for a local user first
$user = User::staticGet('id', $this->id);
if (!empty($user)) {
$uri = $user->uri;
} else {
// return OMB profile if any
$remote = Remote_profile::staticGet('id', $this->id);
if (!empty($remote)) {
$uri = $remote->uri;
}
}
Event::handle('EndGetProfileUri', array($this, &$uri));
}
return $uri;
}
function hasBlocked($other)
{
$block = Profile_block::get($this->id, $other->id);
if (empty($block)) {
$result = false;
} else {
$result = true;
}
return $result;
}
function getAtomFeed()
{
$feed = null;
if (Event::handle('StartProfileGetAtomFeed', array($this, &$feed))) {
$user = User::staticGet('id', $this->id);
if (!empty($user)) {
$feed = common_local_url('ApiTimelineUser', array('id' => $user->id,
'format' => 'atom'));
}
Event::handle('EndProfileGetAtomFeed', array($this, $feed));
}
return $feed;
}
static function fromURI($uri)
{
$profile = null;
if (Event::handle('StartGetProfileFromURI', array($uri, &$profile))) {
// Get a local user or remote (OMB 0.1) profile
$user = User::staticGet('uri', $uri);
if (!empty($user)) {
$profile = $user->getProfile();
} else {
$remote_profile = Remote_profile::staticGet('uri', $uri);
if (!empty($remote_profile)) {
$profile = Profile::staticGet('id', $remote_profile->profile_id);
}
}
Event::handle('EndGetProfileFromURI', array($uri, $profile));
}
return $profile;
}
function canRead(Notice $notice)
{
if ($notice->scope & Notice::SITE_SCOPE) {
$user = $this->getUser();
if (empty($user)) {
return false;
}
}
if ($notice->scope & Notice::ADDRESSEE_SCOPE) {
$replies = $notice->getReplies();
if (!in_array($this->id, $replies)) {
$groups = $notice->getGroups();
$foundOne = false;
foreach ($groups as $group) {
if ($this->isMember($group)) {
$foundOne = true;
break;
}
}
if (!$foundOne) {
return false;
}
}
}
if ($notice->scope & Notice::FOLLOWER_SCOPE) {
$author = $notice->getProfile();
if (!Subscription::exists($this, $author)) {
return false;
}
}
return true;
}
}