friendica-github/src/Model/Conversation.php
2020-03-03 22:43:19 +00:00

142 lines
4.5 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @license GNU AGPL version 3 or any later version
*
* 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 <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Model;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Database\DBA;
use Friendica\Util\DateTimeFormat;
class Conversation
{
/*
* These constants represent the parcel format used to transport a conversation independently of the message protocol.
* It currently is stored in the "protocol" field for legacy reasons.
*/
const PARCEL_ACTIVITYPUB = 0;
const PARCEL_DFRN = 1;
const PARCEL_DIASPORA = 2;
const PARCEL_SALMON = 3;
const PARCEL_FEED = 4; // Deprecated
const PARCEL_SPLIT_CONVERSATION = 6;
const PARCEL_TWITTER = 67;
const PARCEL_UNKNOWN = 255;
/**
* Unknown message direction
*/
const UNKNOWN = 0;
/**
* The message had been pushed to this sytem
*/
const PUSH = 1;
/**
* The message had been fetched by our system
*/
const PULL = 2;
public static function getByItemUri($item_uri)
{
return DBA::selectFirst('conversation', [], ['item-uri' => $item_uri]);
}
/**
* Store the conversation data
*
* @param array $arr Item array with conversation data
* @return array Item array with removed conversation data
* @throws \Exception
*/
public static function insert(array $arr)
{
if (in_array(($arr['network'] ?? '') ?: Protocol::PHANTOM,
[Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, Protocol::TWITTER]) && !empty($arr['uri'])) {
$conversation = ['item-uri' => $arr['uri'], 'received' => DateTimeFormat::utcNow()];
if (isset($arr['parent-uri']) && ($arr['parent-uri'] != $arr['uri'])) {
$conversation['reply-to-uri'] = $arr['parent-uri'];
}
if (isset($arr['thr-parent']) && ($arr['thr-parent'] != $arr['uri'])) {
$conversation['reply-to-uri'] = $arr['thr-parent'];
}
if (isset($arr['conversation-uri'])) {
$conversation['conversation-uri'] = $arr['conversation-uri'];
}
if (isset($arr['conversation-href'])) {
$conversation['conversation-href'] = $arr['conversation-href'];
}
if (isset($arr['protocol'])) {
$conversation['protocol'] = $arr['protocol'];
}
if (isset($arr['direction'])) {
$conversation['direction'] = $arr['direction'];
}
if (isset($arr['source'])) {
$conversation['source'] = $arr['source'];
}
$fields = ['item-uri', 'reply-to-uri', 'conversation-uri', 'conversation-href', 'protocol', 'source'];
$old_conv = DBA::selectFirst('conversation', $fields, ['item-uri' => $conversation['item-uri']]);
if (DBA::isResult($old_conv)) {
// Don't update when only the source has changed.
// Only do this when there had been no source before.
if ($old_conv['source'] != '') {
unset($old_conv['source']);
}
// Update structure data all the time but the source only when its from a better protocol.
if (
empty($conversation['source'])
|| (
!empty($old_conv['source'])
&& ($old_conv['protocol'] < (($conversation['protocol'] ?? '') ?: self::PARCEL_UNKNOWN))
)
) {
unset($conversation['protocol']);
unset($conversation['source']);
}
if (!DBA::update('conversation', $conversation, ['item-uri' => $conversation['item-uri']], $old_conv)) {
Logger::log('Conversation: update for ' . $conversation['item-uri'] . ' from ' . $old_conv['protocol'] . ' to ' . $conversation['protocol'] . ' failed',
Logger::DEBUG);
}
} else {
if (!DBA::insert('conversation', $conversation, true)) {
Logger::log('Conversation: insert for ' . $conversation['item-uri'] . ' (protocol ' . $conversation['protocol'] . ') failed',
Logger::DEBUG);
}
}
}
unset($arr['conversation-uri']);
unset($arr['conversation-href']);
unset($arr['protocol']);
unset($arr['source']);
unset($arr['direction']);
return $arr;
}
}