gnu-social/plugins/GroupPrivateMessage/classes/Group_message.php
Alexei Sorokin 52d67b0f44 Avoid ordering just by a timestamp
Try to also employ an id when possible.
Involves reworking some of the indices.
2020-09-15 16:59:27 +03:00

181 lines
6.8 KiB
PHP

<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
/**
* Data class for group direct messages
*
* @category Data
* @package GNUsocial
* @author Evan Prodromou <evan@status.net>
* @copyright 2009 StatusNet, Inc.
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
defined('GNUSOCIAL') || die();
require_once INSTALLDIR . '/classes/Memcached_DataObject.php';
/**
* Data class for group direct messages
*
* @category GroupPrivateMessage
* @package GNUsocial
* @author Evan Prodromou <evan@status.net>
* @copyright 2009 StatusNet, Inc.
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class Group_message extends Managed_DataObject
{
public $__table = 'group_message'; // table name
public $id; // char(36) primary_key not_null
public $uri; // varchar(191) not 255 because utf8mb4 takes more space
public $from_profile; // int
public $to_group; // int
public $content;
public $rendered;
public $url; // varchar(191) not 255 because utf8mb4 takes more space
public $created; // datetime() not_null
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
public static function schemaDef()
{
return array(
'fields' => array(
'id' => array('type' => 'char', 'not null' => true, 'length' => 36, 'description' => 'message uuid'),
'uri' => array('type' => 'varchar', 'not null' => true, 'length' => 191, 'description' => 'message uri'),
'url' => array('type' => 'varchar', 'not null' => true, 'length' => 191, 'description' => 'representation url'),
'from_profile' => array('type' => 'int', 'not null' => true, 'description' => 'sending profile ID'),
'to_group' => array('type' => 'int', 'not null' => true, 'description' => 'receiving group ID'),
'content' => array('type' => 'text', 'not null' => true, 'description' => 'message content'),
'rendered' => array('type' => 'text', 'not null' => true, 'description' => 'rendered message'),
'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
),
'primary key' => array('id'),
'unique keys' => array(
'group_message_uri_key' => array('uri'),
),
'foreign keys' => array(
'group_message_from_profile_fkey' => array('profile', array('from_profile' => 'id')),
'group_message_to_group_fkey' => array('user_group', array('to_group' => 'id')),
),
'indexes' => array(
'group_message_from_profile_idx' => array('from_profile'),
'group_message_to_group_created_idx' => array('to_group', 'created'),
'group_message_url_idx' => array('url'),
),
);
}
public static function send($user, $group, $text)
{
if (!$user->hasRight(Right::NEWMESSAGE)) {
// XXX: maybe break this out into a separate right
// TRANS: Exception thrown when trying to send group private message without having the right to do that.
// TRANS: %s is a user nickname.
throw new Exception(sprintf(
_m('User %s is not allowed to send private messages.'),
$user->nickname
));
}
Group_privacy_settings::ensurePost($user, $group);
$text = $user->shortenLinks($text);
// We use the same limits as for 'regular' private messages.
if (Message::contentTooLong($text)) {
// TRANS: Exception thrown when trying to send group private message that is too long.
// TRANS: %d is the maximum meggage length.
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;
}
public function distribute()
{
$group = User_group::getKV('id', $this->to_group);
$member = $group->getMembers();
while ($member->fetch()) {
Group_message_profile::send($this, $member);
}
}
public function getGroup()
{
$group = User_group::getKV('id', $this->to_group);
if (empty($group)) {
// TRANS: Exception thrown when trying to send group private message to a non-existing group.
throw new ServerException(_m('No group for group message.'));
}
return $group;
}
public function getSender()
{
$sender = Profile::getKV('id', $this->from_profile);
if (empty($sender)) {
// TRANS: Exception thrown when trying to send group private message without having a sender.
throw new ServerException(_m('No sender for group message.'));
}
return $sender;
}
public static function forGroup($group, $offset, $limit)
{
// XXX: cache
$gm = new Group_message();
$gm->to_group = $group->id;
$gm->orderBy('created DESC');
$gm->limit($offset, $limit);
$gm->find();
return $gm;
}
}