gnu-social/plugins/PrivateGroup/Group_message.php
2011-02-04 15:51:59 -05:00

216 lines
7.4 KiB
PHP

<?php
/**
* Data class for group direct messages
*
* PHP version 5
*
* @category Data
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 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')) {
exit(1);
}
require_once INSTALLDIR . '/classes/Memcached_DataObject.php';
/**
* Data class for group direct messages
*
* @category PrivateGroup
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*
* @see DB_DataObject
*/
class Group_message extends Memcached_DataObject
{
public $__table = 'group_message'; // table name
public $id; // char(36) primary_key not_null
public $uri; // varchar(255)
public $from_profile; // int
public $to_group; // int
public $content;
public $rendered;
public $url;
public $created;
/**
* Get an instance by key
*
* This is a utility method to get a single instance with a given key value.
*
* @param string $k Key to use to lookup (usually 'user_id' for this class)
* @param mixed $v Value to lookup
*
* @return Group_message object found, or null for no hits
*
*/
function staticGet($k, $v=null)
{
return Memcached_DataObject::staticGet('Group_message', $k, $v);
}
/**
* return table definition for DB_DataObject
*
* DB_DataObject needs to know something about the table to manipulate
* instances. This method provides all the DB_DataObject needs to know.
*
* @return array array of column definitions
*/
function table()
{
return array('id' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
'uri' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
'from_profile' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL,
'to_group' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL,
'content' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
'rendered' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
'url' => DB_DATAOBJECT_STR,
'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
}
/**
* return key definitions for DB_DataObject
*
* DB_DataObject needs to know about keys that the table has, since it
* won't appear in StatusNet's own keys list. In most cases, this will
* simply reference your keyTypes() function.
*
* @return array list of key field names
*/
function keys()
{
return array_keys($this->keyTypes());
}
/**
* return key definitions for Memcached_DataObject
*
* @return array associative array of key definitions, field name to type:
* 'K' for primary key: for compound keys, add an entry for each component;
* 'U' for unique keys: compound keys are not well supported here.
*/
function keyTypes()
{
return array('id' => 'K', 'uri' => 'U');
}
static function send($user, $group, $text)
{
if (!$user->hasRight(Right::NEWMESSAGE)) {
// XXX: maybe break this out into a separate right
throw new Exception(sprintf(_('User %s not allowed to send private messages.'),
$user->nickname));
}
$gps = Group_privacy_settings::staticGet('group_id', $group->id);
if (empty($gps)) {
// make a fake one with defaults
$gps = new Group_privacy_settings();
$gps->allow_privacy = Group_privacy_settings::SOMETIMES;
$gps->allow_sender = Group_privacy_settings::MEMBER;
}
if ($gps->allow_privacy == Group_privacy_settings::NEVER) {
throw new Exception(sprintf(_('Group %s does not allow private messages.'),
$group->nickname));
}
switch ($gps->allow_sender) {
case Group_privacy_settings::EVERYONE:
$profile = $user->getProfile();
if (Group_block::isBlocked($group, $profile)) {
throw new Exception(sprintf(_('User %s is blocked from group %s.'),
$user->nickname,
$group->nickname));
}
break;
case Group_privacy_settings::MEMBER:
if (!$user->isMember($group)) {
throw new Exception(sprintf(_('User %s is not a member of group %s.'),
$user->nickname,
$group->nickname));
}
break;
case Group_privacy_settings::ADMIN:
if (!$user->isAdmin($group)) {
throw new Exception(sprintf(_('User %s is not an administrator of group %s.'),
$user->nickname,
$group->nickname));
}
break;
default:
throw new Exception(sprintf(_('Unknown privacy settings for group %s.'),
$group->nickname));
}
$text = $user->shortenLinks($text);
// We use the same limits as for 'regular' private messages.
if (Message::contentTooLong($text)) {
throw new Exception(sprintf(_m('That\'s too long. Maximum message size is %d character.',
'That\'s too long. Maximum message size is %d characters.',
Message::maxContent()),
Message::maxContent()));
}
// Valid! Let's do this thing!
$gm = new Group_message();
$gm->id = UUID::gen();
$gm->uri = common_local_url('showgroupmessage', array('id' => $gm->id));
$gm->from_profile = $user->id;
$gm->to_group = $group->id;
$gm->content = $text; // XXX: is this cool?!
$gm->rendered = common_render_text($text);
$gm->url = $gm->uri;
$gm->created = common_sql_now();
// This throws a conniption if there's a problem
$gm->insert();
$gm->distribute();
return $gm;
}
function distribute()
{
$group = User_group::staticGet('id', $this->to_group);
$member = $group->getMembers();
while ($member->fetch()) {
Group_message_profile::send($this, $member);
}
}
}