зеркало из https://github.com/nextcloud/spreed.git
119 строки
4.1 KiB
PHP
119 строки
4.1 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2018 Joas Schilling <coding@schilljs.com>
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*
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* @author Joas Schilling <coding@schilljs.com>
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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 <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\Talk\Migration;
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use Doctrine\DBAL\Schema\SchemaException;
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use Doctrine\DBAL\Types\Types;
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use OCP\DB\ISchemaWrapper;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\IDBConnection;
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use OCP\Migration\SimpleMigrationStep;
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use OCP\Migration\IOutput;
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class Version7000Date20190724121136 extends SimpleMigrationStep {
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protected IDBConnection $connection;
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public function __construct(IDBConnection $connection) {
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$this->connection = $connection;
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}
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/**
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* @param IOutput $output
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* @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
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* @param array $options
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* @return null|ISchemaWrapper
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* @throws SchemaException
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* @since 13.0.0
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*/
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public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
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/** @var ISchemaWrapper $schema */
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$schema = $schemaClosure();
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$table = $schema->getTable('talk_participants');
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if (!$table->hasColumn('last_read_message')) {
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$table->addColumn('last_read_message', Types::BIGINT, [
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'default' => 0,
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'notnull' => false,
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]);
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$table->addColumn('last_mention_message', Types::BIGINT, [
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'default' => 0,
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'notnull' => false,
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]);
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}
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return $schema;
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}
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/**
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* @param IOutput $output
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* @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
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* @param array $options
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*
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* @since 13.0.0
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*
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* @return void
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*/
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public function postSchemaChange(IOutput $output, \Closure $schemaClosure, array $options) {
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$query = $this->connection->getQueryBuilder();
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$query->select('m.user_id', 'm.object_id')
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->selectAlias($query->createFunction('MAX(' . $query->getColumnName('c.id') . ')'), 'last_comment')
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->from('comments_read_markers', 'm')
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->leftJoin('m', 'comments', 'c', $query->expr()->andX(
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$query->expr()->eq('c.object_id', 'm.object_id'),
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$query->expr()->eq('c.object_type', 'm.object_type'),
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$query->expr()->eq('c.creation_timestamp', 'm.marker_datetime')
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))
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->where($query->expr()->eq('m.object_type', $query->createNamedParameter('chat')))
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->groupBy('m.user_id', 'm.object_id');
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$update = $this->connection->getQueryBuilder();
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$update->update('talk_participants')
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->set('last_read_message', $update->createParameter('message_id'))
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->where($update->expr()->eq('user_id', $update->createParameter('user_id')))
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->andWhere($update->expr()->eq('room_id', $update->createParameter('room_id')));
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$result = $query->executeQuery();
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while ($row = $result->fetch()) {
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$update->setParameter('message_id', (int) $row['last_comment'], IQueryBuilder::PARAM_INT)
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->setParameter('user_id', $row['user_id'])
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->setParameter('room_id', (int) $row['object_id'], IQueryBuilder::PARAM_INT);
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$update->executeStatement();
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}
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$result->closeCursor();
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/**
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* The above query only works if the user read in the same exact second
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* as the comment was posted (author only), we set the read marker to -1
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* for all users and in case of -1 we calculate the marker on the next request.
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*/
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$update = $this->connection->getQueryBuilder();
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$update->update('talk_participants')
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->set('last_read_message', $update->createNamedParameter(-1))
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->where($update->expr()->isNotNull('user_id'))
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->andWhere($update->expr()->eq('last_read_message', $update->createNamedParameter(0)));
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$update->executeStatement();
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}
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}
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