gnu-social/classes/User_group.php

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<?php
/**
* Table Definition for user_group
*/
class User_group extends Memcached_DataObject
{
###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
public $__table = 'user_group'; // table name
public $id; // int(4) primary_key not_null
public $nickname; // varchar(64)
public $fullname; // varchar(255)
public $homepage; // varchar(255)
public $description; // text
public $location; // varchar(255)
public $original_logo; // varchar(255)
public $homepage_logo; // varchar(255)
public $stream_logo; // varchar(255)
public $mini_logo; // varchar(255)
public $design_id; // int(4)
public $created; // datetime not_null default_0000-00-00%2000%3A00%3A00
public $modified; // timestamp not_null default_CURRENT_TIMESTAMP
public $uri; // varchar(255) unique_key
public $mainpage; // varchar(255)
/* Static get */
function staticGet($k,$v=NULL) { return DB_DataObject::staticGet('User_group',$k,$v); }
/* the code above is auto generated do not remove the tag below */
###END_AUTOCODE
function defaultLogo($size)
{
static $sizenames = array(AVATAR_PROFILE_SIZE => 'profile',
AVATAR_STREAM_SIZE => 'stream',
AVATAR_MINI_SIZE => 'mini');
return Theme::path('default-avatar-'.$sizenames[$size].'.png');
}
function homeUrl()
{
$url = null;
if (Event::handle('StartUserGroupHomeUrl', array($this, &$url))) {
// normally stored in mainpage, but older ones may be null
if (!empty($this->mainpage)) {
$url = $this->mainpage;
} else {
$url = common_local_url('showgroup',
array('nickname' => $this->nickname));
}
}
Event::handle('EndUserGroupHomeUrl', array($this, &$url));
return $url;
}
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function getUri()
{
$uri = null;
if (Event::handle('StartUserGroupGetUri', array($this, &$uri))) {
if (!empty($this->uri)) {
$uri = $this->uri;
} else {
$uri = common_local_url('groupbyid',
array('id' => $this->id));
}
}
Event::handle('EndUserGroupGetUri', array($this, &$uri));
return $uri;
}
function permalink()
{
$url = null;
if (Event::handle('StartUserGroupPermalink', array($this, &$url))) {
$url = common_local_url('groupbyid',
array('id' => $this->id));
}
Event::handle('EndUserGroupPermalink', array($this, &$url));
return $url;
}
function getNotices($offset, $limit, $since_id=null, $max_id=null)
{
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$ids = Notice::stream(array($this, '_streamDirect'),
array(),
'user_group:notice_ids:' . $this->id,
$offset, $limit, $since_id, $max_id);
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return Notice::getStreamByIds($ids);
}
function _streamDirect($offset, $limit, $since_id, $max_id)
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{
$inbox = new Group_inbox();
$inbox->group_id = $this->id;
$inbox->selectAdd();
$inbox->selectAdd('notice_id');
if ($since_id != 0) {
$inbox->whereAdd('notice_id > ' . $since_id);
}
if ($max_id != 0) {
$inbox->whereAdd('notice_id <= ' . $max_id);
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}
$inbox->orderBy('notice_id DESC');
if (!is_null($offset)) {
$inbox->limit($offset, $limit);
}
$ids = array();
if ($inbox->find()) {
while ($inbox->fetch()) {
$ids[] = $inbox->notice_id;
}
}
return $ids;
}
function allowedNickname($nickname)
{
static $blacklist = array('new');
return !in_array($nickname, $blacklist);
}
function getMembers($offset=0, $limit=null)
{
$qry =
'SELECT profile.* ' .
'FROM profile JOIN group_member '.
'ON profile.id = group_member.profile_id ' .
'WHERE group_member.group_id = %d ' .
'ORDER BY group_member.created DESC ';
if ($limit != null) {
if (common_config('db','type') == 'pgsql') {
$qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
} else {
$qry .= ' LIMIT ' . $offset . ', ' . $limit;
}
}
$members = new Profile();
$members->query(sprintf($qry, $this->id));
return $members;
}
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function getMemberCount()
{
// XXX: WORM cache this
$members = $this->getMembers();
$member_count = 0;
/** $member->count() doesn't work. */
while ($members->fetch()) {
$member_count++;
}
return $member_count;
}
function getAdmins($offset=0, $limit=null)
{
$qry =
'SELECT profile.* ' .
'FROM profile JOIN group_member '.
'ON profile.id = group_member.profile_id ' .
'WHERE group_member.group_id = %d ' .
'AND group_member.is_admin = 1 ' .
'ORDER BY group_member.modified ASC ';
if ($limit != null) {
if (common_config('db','type') == 'pgsql') {
$qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
} else {
$qry .= ' LIMIT ' . $offset . ', ' . $limit;
}
}
$admins = new Profile();
$admins->query(sprintf($qry, $this->id));
return $admins;
}
function getBlocked($offset=0, $limit=null)
{
$qry =
'SELECT profile.* ' .
'FROM profile JOIN group_block '.
'ON profile.id = group_block.blocked ' .
'WHERE group_block.group_id = %d ' .
'ORDER BY group_block.modified DESC ';
if ($limit != null) {
if (common_config('db','type') == 'pgsql') {
$qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
} else {
$qry .= ' LIMIT ' . $offset . ', ' . $limit;
}
}
$blocked = new Profile();
$blocked->query(sprintf($qry, $this->id));
return $blocked;
}
function setOriginal($filename)
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{
$imagefile = new ImageFile($this->id, Avatar::path($filename));
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$orig = clone($this);
$this->original_logo = Avatar::url($filename);
$this->homepage_logo = Avatar::url($imagefile->resize(AVATAR_PROFILE_SIZE));
$this->stream_logo = Avatar::url($imagefile->resize(AVATAR_STREAM_SIZE));
$this->mini_logo = Avatar::url($imagefile->resize(AVATAR_MINI_SIZE));
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common_debug(common_log_objstring($this));
return $this->update($orig);
}
function getBestName()
{
return ($this->fullname) ? $this->fullname : $this->nickname;
}
function getAliases()
{
$aliases = array();
// XXX: cache this
$alias = new Group_alias();
$alias->group_id = $this->id;
if ($alias->find()) {
while ($alias->fetch()) {
$aliases[] = $alias->alias;
}
}
$alias->free();
return $aliases;
}
function setAliases($newaliases) {
$newaliases = array_unique($newaliases);
$oldaliases = $this->getAliases();
# Delete stuff that's old that not in new
$to_delete = array_diff($oldaliases, $newaliases);
# Insert stuff that's in new and not in old
$to_insert = array_diff($newaliases, $oldaliases);
$alias = new Group_alias();
$alias->group_id = $this->id;
foreach ($to_delete as $delalias) {
$alias->alias = $delalias;
$result = $alias->delete();
if (!$result) {
common_log_db_error($alias, 'DELETE', __FILE__);
return false;
}
}
foreach ($to_insert as $insalias) {
$alias->alias = $insalias;
$result = $alias->insert();
if (!$result) {
common_log_db_error($alias, 'INSERT', __FILE__);
return false;
}
}
return true;
}
static function getForNickname($nickname, $profile=null)
{
$nickname = common_canonical_nickname($nickname);
// Are there any matching remote groups this profile's in?
if ($profile) {
$group = $profile->getGroups();
while ($group->fetch()) {
if ($group->nickname == $nickname) {
// @fixme is this the best way?
return clone($group);
}
}
}
// If not, check local groups.
$group = Local_group::staticGet('nickname', $nickname);
if (!empty($group)) {
return User_group::staticGet('id', $group->group_id);
}
$alias = Group_alias::staticGet('alias', $nickname);
if (!empty($alias)) {
return User_group::staticGet('id', $alias->group_id);
}
return null;
}
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function getDesign()
{
return Design::staticGet('id', $this->design_id);
}
function getUserMembers()
{
// XXX: cache this
$user = new User();
if(common_config('db','quote_identifiers'))
$user_table = '"user"';
else $user_table = 'user';
$qry =
'SELECT id ' .
'FROM '. $user_table .' JOIN group_member '.
'ON '. $user_table .'.id = group_member.profile_id ' .
'WHERE group_member.group_id = %d ';
$user->query(sprintf($qry, $this->id));
$ids = array();
while ($user->fetch()) {
$ids[] = $user->id;
}
$user->free();
return $ids;
}
static function maxDescription()
{
$desclimit = common_config('group', 'desclimit');
// null => use global limit (distinct from 0!)
if (is_null($desclimit)) {
$desclimit = common_config('site', 'textlimit');
}
return $desclimit;
}
static function descriptionTooLong($desc)
{
$desclimit = self::maxDescription();
return ($desclimit > 0 && !empty($desc) && (mb_strlen($desc) > $desclimit));
}
function asAtomEntry($namespace=false, $source=false)
{
$xs = new XMLStringer(true);
if ($namespace) {
$attrs = array('xmlns' => 'http://www.w3.org/2005/Atom',
'xmlns:thr' => 'http://purl.org/syndication/thread/1.0');
} else {
$attrs = array();
}
$xs->elementStart('entry', $attrs);
if ($source) {
$xs->elementStart('source');
$xs->element('id', null, $this->permalink());
$xs->element('title', null, $profile->nickname . " - " . common_config('site', 'name'));
$xs->element('link', array('href' => $this->permalink()));
$xs->element('updated', null, $this->modified);
$xs->elementEnd('source');
}
$xs->element('title', null, $this->nickname);
$xs->element('summary', null, common_xml_safe_str($this->description));
$xs->element('link', array('rel' => 'alternate',
'href' => $this->permalink()));
$xs->element('id', null, $this->permalink());
$xs->element('published', null, common_date_w3dtf($this->created));
$xs->element('updated', null, common_date_w3dtf($this->modified));
$xs->element(
'content',
array('type' => 'html'),
common_xml_safe_str($this->description)
);
$xs->elementEnd('entry');
return $xs->getString();
}
function asAtomAuthor()
{
$xs = new XMLStringer(true);
$xs->elementStart('author');
$xs->element('name', null, $this->nickname);
$xs->element('uri', null, $this->permalink());
$xs->elementEnd('author');
return $xs->getString();
}
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/**
* Returns an XML string fragment with group information as an
* Activity Streams <activity:subject> element.
*
* Assumes that 'activity' namespace has been previously defined.
*
* @return string
*/
function asActivitySubject()
{
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return $this->asActivityNoun('subject');
}
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/**
* Returns an XML string fragment with group 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)
{
$noun = ActivityObject::fromGroup($this);
return $noun->asString('activity:' . $element);
}
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function getAvatar()
{
return empty($this->homepage_logo)
? User_group::defaultLogo(AVATAR_PROFILE_SIZE)
: $this->homepage_logo;
}
static function register($fields) {
// MAGICALLY put fields into current scope
extract($fields);
$group = new User_group();
$group->query('BEGIN');
if (empty($uri)) {
// fill in later...
$uri = null;
}
$group->nickname = $nickname;
$group->fullname = $fullname;
$group->homepage = $homepage;
$group->description = $description;
$group->location = $location;
$group->uri = $uri;
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$group->mainpage = $mainpage;
$group->created = common_sql_now();
$result = $group->insert();
if (!$result) {
common_log_db_error($group, 'INSERT', __FILE__);
// TRANS: Server exception thrown when creating a group failed.
throw new ServerException(_('Could not create group.'));
}
if (!isset($uri) || empty($uri)) {
$orig = clone($group);
$group->uri = common_local_url('groupbyid', array('id' => $group->id));
$result = $group->update($orig);
if (!$result) {
common_log_db_error($group, 'UPDATE', __FILE__);
// TRANS: Server exception thrown when updating a group URI failed.
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throw new ServerException(_('Could not set group URI.'));
}
}
$result = $group->setAliases($aliases);
if (!$result) {
// TRANS: Server exception thrown when creating group aliases failed.
throw new ServerException(_('Could not create aliases.'));
}
$member = new Group_member();
$member->group_id = $group->id;
$member->profile_id = $userid;
$member->is_admin = 1;
$member->created = $group->created;
$result = $member->insert();
if (!$result) {
common_log_db_error($member, 'INSERT', __FILE__);
// TRANS: Server exception thrown when setting group membership failed.
throw new ServerException(_('Could not set group membership.'));
}
if ($local) {
$local_group = new Local_group();
$local_group->group_id = $group->id;
$local_group->nickname = $nickname;
$local_group->created = common_sql_now();
$result = $local_group->insert();
if (!$result) {
common_log_db_error($local_group, 'INSERT', __FILE__);
// TRANS: Server exception thrown when saving local group information failed.
throw new ServerException(_('Could not save local group info.'));
}
}
$group->query('COMMIT');
return $group;
}
}