146 lines
4.7 KiB
PHP
146 lines
4.7 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2020, Friendica
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Model;
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use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
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use Friendica\Database\Database;
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use Friendica\Database\DBA;
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use Friendica\Util\DateTimeFormat;
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class Conversation
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{
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/*
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* These constants represent the parcel format used to transport a conversation independently of the message protocol.
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* It currently is stored in the "protocol" field for legacy reasons.
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*/
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const PARCEL_ACTIVITYPUB = 0;
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const PARCEL_DFRN = 1; // Deprecated
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const PARCEL_DIASPORA = 2;
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const PARCEL_SALMON = 3;
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const PARCEL_FEED = 4; // Deprecated
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const PARCEL_SPLIT_CONVERSATION = 6;
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const PARCEL_LEGACY_DFRN = 7;
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const PARCEL_DIASPORA_DFRN = 8;
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const PARCEL_LOCAL_DFRN = 9;
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const PARCEL_DIRECT = 10;
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const PARCEL_TWITTER = 67;
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const PARCEL_UNKNOWN = 255;
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/**
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* Unknown message direction
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*/
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const UNKNOWN = 0;
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/**
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* The message had been pushed to this sytem
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*/
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const PUSH = 1;
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/**
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* The message had been fetched by our system
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*/
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const PULL = 2;
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public static function getByItemUri($item_uri)
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{
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return DBA::selectFirst('conversation', [], ['item-uri' => $item_uri]);
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}
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/**
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* Store the conversation data
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*
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* @param array $arr Item array with conversation data
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* @return array Item array with removed conversation data
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* @throws \Exception
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*/
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public static function insert(array $arr)
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{
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if (in_array(($arr['network'] ?? '') ?: Protocol::PHANTOM,
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[Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, Protocol::TWITTER]) && !empty($arr['uri'])) {
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$conversation = ['item-uri' => $arr['uri'], 'received' => DateTimeFormat::utcNow()];
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if (isset($arr['parent-uri']) && ($arr['parent-uri'] != $arr['uri'])) {
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$conversation['reply-to-uri'] = $arr['parent-uri'];
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}
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if (isset($arr['thr-parent']) && ($arr['thr-parent'] != $arr['uri'])) {
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$conversation['reply-to-uri'] = $arr['thr-parent'];
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}
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if (isset($arr['conversation-uri'])) {
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$conversation['conversation-uri'] = $arr['conversation-uri'];
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}
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if (isset($arr['conversation-href'])) {
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$conversation['conversation-href'] = $arr['conversation-href'];
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}
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if (isset($arr['protocol'])) {
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$conversation['protocol'] = $arr['protocol'];
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}
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if (isset($arr['direction'])) {
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$conversation['direction'] = $arr['direction'];
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}
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if (isset($arr['source'])) {
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$conversation['source'] = $arr['source'];
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}
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$fields = ['item-uri', 'reply-to-uri', 'conversation-uri', 'conversation-href', 'protocol', 'source'];
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$old_conv = DBA::selectFirst('conversation', $fields, ['item-uri' => $conversation['item-uri']]);
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if (DBA::isResult($old_conv)) {
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// Don't update when only the source has changed.
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// Only do this when there had been no source before.
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if ($old_conv['source'] != '') {
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unset($old_conv['source']);
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}
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// Update structure data all the time but the source only when its from a better protocol.
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if (
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empty($conversation['source'])
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|| (
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!empty($old_conv['source'])
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&& ($old_conv['protocol'] < (($conversation['protocol'] ?? '') ?: self::PARCEL_UNKNOWN))
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)
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) {
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unset($conversation['protocol']);
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unset($conversation['source']);
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}
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if (!DBA::update('conversation', $conversation, ['item-uri' => $conversation['item-uri']], $old_conv)) {
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Logger::log('Conversation: update for ' . $conversation['item-uri'] . ' from ' . $old_conv['protocol'] . ' to ' . $conversation['protocol'] . ' failed',
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Logger::DEBUG);
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}
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} else {
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if (!DBA::insert('conversation', $conversation, Database::INSERT_UPDATE)) {
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Logger::log('Conversation: insert for ' . $conversation['item-uri'] . ' (protocol ' . $conversation['protocol'] . ') failed',
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Logger::DEBUG);
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}
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}
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}
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unset($arr['conversation-uri']);
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unset($arr['conversation-href']);
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unset($arr['source']);
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return $arr;
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}
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}
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