+
+ public static function schemaDef()
+ {
+ return array(
+ 'fields' => array(
+ 'id' => array('type' => 'serial', 'not null' => true, 'description' => 'unique identifier'),
+
+ 'nickname' => array('type' => 'varchar', 'length' => 64, 'description' => 'nickname for addressing'),
+ 'fullname' => array('type' => 'varchar', 'length' => 255, 'description' => 'display name'),
+ 'homepage' => array('type' => 'varchar', 'length' => 255, 'description' => 'URL, cached so we dont regenerate'),
+ 'description' => array('type' => 'text', 'description' => 'group description'),
+ 'location' => array('type' => 'varchar', 'length' => 255, 'description' => 'related physical location, if any'),
+
+ 'original_logo' => array('type' => 'varchar', 'length' => 255, 'description' => 'original size logo'),
+ 'homepage_logo' => array('type' => 'varchar', 'length' => 255, 'description' => 'homepage (profile) size logo'),
+ 'stream_logo' => array('type' => 'varchar', 'length' => 255, 'description' => 'stream-sized logo'),
+ 'mini_logo' => array('type' => 'varchar', 'length' => 255, 'description' => 'mini logo'),
+
+ 'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
+ 'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
+
+ 'uri' => array('type' => 'varchar', 'length' => 255, 'description' => 'universal identifier'),
+ 'mainpage' => array('type' => 'varchar', 'length' => 255, 'description' => 'page for group info to link to'),
+ 'join_policy' => array('type' => 'int', 'size' => 'tiny', 'description' => '0=open; 1=requires admin approval'),
+ 'force_scope' => array('type' => 'int', 'size' => 'tiny', 'description' => '0=never,1=sometimes,-1=always'),
+ ),
+ 'primary key' => array('id'),
+ 'unique keys' => array(
+ 'user_group_uri_key' => array('uri'),
+ ),
+ 'indexes' => array(
+ 'user_group_nickname_idx' => array('nickname'),
+ ),
+ );
+ }
+
+ 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;
+ }
+
+ 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)
+ {
+ $stream = new GroupNoticeStream($this);
+
+ return $stream->getNotices($offset, $limit, $since_id, $max_id);
+ }
+
+
+ function allowedNickname($nickname)
+ {
+ static $blacklist = array('new');
+ return !in_array($nickname, $blacklist);
+ }
+
+ function getMembers($offset=0, $limit=null) {
+ $ids = null;
+ if (is_null($limit) || $offset + $limit > User_group::CACHE_WINDOW) {
+ $ids = $this->getMemberIDs($offset,
+ $limit);
+ } else {
+ $key = sprintf('group:member_ids:%d', $this->id);
+ $window = self::cacheGet($key);
+ if ($window === false) {
+ $window = $this->getMemberIDs(0,
+ User_group::CACHE_WINDOW);
+ self::cacheSet($key, $window);
+ }
+
+ $ids = array_slice($window,
+ $offset,
+ $limit);
+ }
+
+ return Profile::multiGet('id', $ids);
+ }
+
+ function getMemberIDs($offset=0, $limit=null)
+ {
+ $gm = new Group_member();
+
+ $gm->selectAdd();
+ $gm->selectAdd('profile_id');
+
+ $gm->group_id = $this->id;
+
+ $gm->orderBy('created DESC');
+
+ if (!is_null($limit)) {
+ $gm->limit($offset, $limit);
+ }
+
+ $ids = array();
+
+ if ($gm->find()) {
+ while ($gm->fetch()) {
+ $ids[] = $gm->profile_id;
+ }
+ }
+
+ return $ids;
+ }
+
+ /**
+ * Get pending members, who have not yet been approved.
+ *
+ * @param int $offset
+ * @param int $limit
+ * @return Profile
+ */
+ function getRequests($offset=0, $limit=null)
+ {
+ $qry =
+ 'SELECT profile.* ' .
+ 'FROM profile JOIN group_join_queue '.
+ 'ON profile.id = group_join_queue.profile_id ' .
+ 'WHERE group_join_queue.group_id = %d ' .
+ 'ORDER BY group_join_queue.created DESC ';
+
+ if ($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;
+ }
+
+ function getMemberCount()
+ {
+ $key = sprintf("group:member_count:%d", $this->id);
+
+ $cnt = self::cacheGet($key);
+
+ if (is_integer($cnt)) {
+ return (int) $cnt;
+ }
+
+ $mem = new Group_member();
+ $mem->group_id = $this->id;
+
+ // XXX: why 'distinct'?
+
+ $cnt = (int) $mem->count('distinct profile_id');
+
+ self::cacheSet($key, $cnt);
+
+ return $cnt;
+ }
+
+ function getBlockedCount()
+ {
+ // XXX: WORM cache this
+
+ $block = new Group_block();
+ $block->group_id = $this->id;
+
+ return $block->count();
+ }
+
+ function getQueueCount()
+ {
+ // XXX: WORM cache this
+
+ $queue = new Group_join_queue();
+ $queue->group_id = $this->id;
+
+ return $queue->count();
+ }
+
+ function getAdmins($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)
+ {
+ $imagefile = new ImageFile($this->id, Avatar::path($filename));
+
+ $orig = clone($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));
+ common_debug(common_log_objstring($this));
+ return $this->update($orig);
+ }
+
+ 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;
+ }
+ }
+
+ 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;
+ }
+
+ 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();
+ }
+
+ /**
+ * 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()
+ {
+ return $this->asActivityNoun('subject');
+ }
+
+ /**
+ * 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:' . $element);
+ }
+
+ function getAvatar()
+ {
+ return empty($this->homepage_logo)
+ ? User_group::defaultLogo(AVATAR_PROFILE_SIZE)
+ : $this->homepage_logo;
+ }
+
+ static function register($fields) {
+ if (!empty($fields['userid'])) {
+ $profile = Profile::staticGet('id', $fields['userid']);
+ if ($profile && !$profile->hasRight(Right::CREATEGROUP)) {
+ common_log(LOG_WARNING, "Attempted group creation from banned user: " . $profile->nickname);
+
+ // TRANS: Client exception thrown when a user tries to create a group while banned.
+ throw new ClientException(_('You are not allowed to create groups on this site.'), 403);
+ }
+ }
+
+ // MAGICALLY put fields into current scope
+ // @fixme kill extract(); it makes debugging absurdly hard
+
+ $defaults = array('nickname' => null,
+ 'fullname' => null,
+ 'homepage' => null,
+ 'description' => null,
+ 'location' => null,
+ 'uri' => null,
+ 'mainpage' => null,
+ 'aliases' => array(),
+ 'userid' => null);
+
+ $fields = array_merge($defaults, $fields);
+
+ extract($fields);
+
+ $group = new User_group();
+
+ $group->query('BEGIN');
+
+ if (empty($uri)) {
+ // fill in later...
+ $uri = null;
+ }
+ if (empty($mainpage)) {
+ $mainpage = common_local_url('showgroup', array('nickname' => $nickname));
+ }
+
+ $group->nickname = $nickname;
+ $group->fullname = $fullname;
+ $group->homepage = $homepage;
+ $group->description = $description;
+ $group->location = $location;
+ $group->uri = $uri;
+ $group->mainpage = $mainpage;
+ $group->created = common_sql_now();
+
+ if (isset($fields['join_policy'])) {
+ $group->join_policy = intval($fields['join_policy']);
+ } else {
+ $group->join_policy = 0;
+ }
+
+ if (isset($fields['force_scope'])) {
+ $group->force_scope = intval($fields['force_scope']);
+ } else {
+ $group->force_scope = 0;
+ }
+
+ if (Event::handle('StartGroupSave', array(&$group))) {
+
+ $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.
+ 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.'));
+ }
+
+ self::blow('profile:groups:%d', $userid);
+
+ if ($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.'));
+ }
+ }
+
+ $group->query('COMMIT');
+
+ Event::handle('EndGroupSave', array($group));
+ }
+
+ return $group;
+ }
+
+ /**
+ * Handle cascading deletion, on the model of notice and profile.
+ *
+ * This should handle freeing up cached entries for the group's
+ * id, nickname, URI, and aliases. There may be other areas that
+ * are not de-cached in the UI, including the sidebar lists on
+ * GroupsAction
+ */
+ function delete()
+ {
+ if ($this->id) {
+
+ // Safe to delete in bulk for now
+
+ $related = array('Group_inbox',
+ 'Group_block',
+ 'Group_member',
+ 'Related_group');
+
+ Event::handle('UserGroupDeleteRelated', array($this, &$related));
+
+ foreach ($related as $cls) {
+
+ $inst = new $cls();
+ $inst->group_id = $this->id;
+
+ if ($inst->find()) {
+ while ($inst->fetch()) {
+ $dup = clone($inst);
+ $dup->delete();
+ }
+ }
+ }
+
+ // And related groups in the other direction...
+ $inst = new Related_group();
+ $inst->related_group_id = $this->id;
+ $inst->delete();
+
+ // Aliases and the local_group entry need to be cleared explicitly
+ // or we'll miss clearing some cache keys; that can make it hard
+ // to create a new group with one of those names or aliases.
+ $this->setAliases(array());
+ $local = Local_group::staticGet('group_id', $this->id);
+ if ($local) {
+ $local->delete();
+ }
+
+ // blow the cached ids
+ self::blow('user_group:notice_ids:%d', $this->id);
+
+ } else {
+ common_log(LOG_WARN, "Ambiguous user_group->delete(); skipping related tables.");
+ }
+ parent::delete();
+ }
+
+ function isPrivate()
+ {
+ return ($this->join_policy == self::JOIN_POLICY_MODERATE &&
+ $this->force_scope == 1);
+ }