gnu-social/plugins/GroupPrivateMessage/Group_privacy_settings.php

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<?php
/**
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* Data class for group privacy settings
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*
* 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
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* Copyright (C) 2011, StatusNet, Inc.
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*
* 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);
}
/**
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* Data class for group privacy
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*
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* Stores admin preferences about the group.
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*
* @category Action
* @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_privacy_settings extends Managed_DataObject
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{
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public $__table = 'group_privacy_settings';
/** ID of the group. */
public $group_id;
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/** When to allow privacy: always, sometimes, or never. */
public $allow_privacy;
/** Who can send private messages: everyone, member, admin */
public $allow_sender;
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/** row creation timestamp */
public $created;
/** Last-modified timestamp */
public $modified;
/** NEVER is */
const SOMETIMES = -1;
const NEVER = 0;
const ALWAYS = 1;
/** These are bit-mappy, as a hedge against the future. */
const EVERYONE = 1;
const MEMBER = 2;
const ADMIN = 4;
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/**
* return table definition for DB_DataObject
*
* DB_DataObject needs to know something about the table to manipulate
* instances. This method provides all the DB_DataObject needs to know.
*
* @return array array of column definitions
*/
function table()
{
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return array('group_id' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL,
'allow_privacy' => DB_DATAOBJECT_INT,
'allow_sender' => DB_DATAOBJECT_INT,
'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL,
'modified' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
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}
/**
* return key definitions for DB_DataObject
*
* DB_DataObject needs to know about keys that the table has, since it
* won't appear in StatusNet's own keys list. In most cases, this will
* simply reference your keyTypes() function.
*
* @return array list of key field names
*/
function keys()
{
return array_keys($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()
{
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return array('group_id' => 'K');
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}
/**
* Magic formula for non-autoincrementing integer primary keys
*
* @return array magic three-false array that stops auto-incrementing.
*/
function sequenceKey()
{
return array(false, false, false);
}
function forGroup($group)
{
$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;
}
return $gps;
}
function ensurePost($user, $group)
{
$gps = self::forGroup($group);
if ($gps->allow_privacy == Group_privacy_settings::NEVER) {
// TRANS: Exception thrown when trying to set group privacy setting if group %s does not allow private messages.
throw new Exception(sprintf(_m('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, $profile)) {
// TRANS: Exception thrown when trying to send group private message while blocked from that group.
// TRANS: %1$s is a user nickname, %2$s is a group nickname.
throw new Exception(sprintf(_m('User %1$s is blocked from group %2$s.'),
$user->nickname,
$group->nickname));
}
break;
case Group_privacy_settings::MEMBER:
if (!$user->isMember($group)) {
// TRANS: Exception thrown when trying to send group private message while not a member.
// TRANS: %1$s is a user nickname, %2$s is a group nickname.
throw new Exception(sprintf(_m('User %1$s is not a member of group %2$s.'),
$user->nickname,
$group->nickname));
}
break;
case Group_privacy_settings::ADMIN:
if (!$user->isAdmin($group)) {
// TRANS: Exception thrown when trying to send group private message while not a group administrator.
// TRANS: %1$s is a user nickname, %2$s is a group nickname.
throw new Exception(sprintf(_m('User %1$s is not an administrator of group %2$s.'),
$user->nickname,
$group->nickname));
}
break;
default:
// TRANS: Exception thrown when encountering undefined group privacy settings.
// TRANS: %s is a group nickname.
throw new Exception(sprintf(_m('Unknown privacy settings for group %s.'),
$group->nickname));
}
return true;
}
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}