mirror of
https://github.com/Part-DB/Part-DB-server.git
synced 2025-07-10 02:14:31 +02:00
131 lines
4 KiB
PHP
131 lines
4 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
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*
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* Copyright (C) 2019 - 2022 Jan Böhmer (https://github.com/jbtronics)
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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 published
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* by the Free Software Foundation, either version 3 of the License, or
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* (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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namespace App\Services\Misc;
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use Doctrine\DBAL\Exception;
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use Doctrine\DBAL\Connection;
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use Doctrine\DBAL\Platforms\AbstractMySQLPlatform;
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use Doctrine\DBAL\Platforms\SqlitePlatform;
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use Doctrine\ORM\EntityManagerInterface;
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/**
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* This service provides db independent information about the database.
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*/
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class DBInfoHelper
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{
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protected Connection $connection;
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public function __construct(protected EntityManagerInterface $entityManager)
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{
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$this->connection = $entityManager->getConnection();
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}
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/**
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* Returns the database type of the used database.
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* @return string|null Returns 'mysql' for MySQL/MariaDB and 'sqlite' for SQLite. Returns null if unknown type
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*/
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public function getDatabaseType(): ?string
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{
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if ($this->connection->getDatabasePlatform() instanceof AbstractMySQLPlatform) {
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return 'mysql';
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}
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if ($this->connection->getDatabasePlatform() instanceof SqlitePlatform) {
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return 'sqlite';
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}
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return null;
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}
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/**
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* Returns the database version of the used database.
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* @throws Exception
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*/
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public function getDatabaseVersion(): ?string
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{
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if ($this->connection->getDatabasePlatform() instanceof AbstractMySQLPlatform) {
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return $this->connection->fetchOne('SELECT VERSION()');
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}
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if ($this->connection->getDatabasePlatform() instanceof SqlitePlatform) {
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return $this->connection->fetchOne('SELECT sqlite_version()');
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}
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return null;
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}
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/**
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* Returns the database size in bytes.
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* @return int|null The database size in bytes or null if unknown
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* @throws Exception
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*/
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public function getDatabaseSize(): ?int
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{
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if ($this->connection->getDatabasePlatform() instanceof AbstractMySQLPlatform) {
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try {
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return (int) $this->connection->fetchOne('SELECT SUM(data_length + index_length) FROM information_schema.TABLES WHERE table_schema = DATABASE()');
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} catch (Exception) {
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return null;
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}
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}
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if ($this->connection->getDatabasePlatform() instanceof SqlitePlatform) {
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try {
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return (int) $this->connection->fetchOne('SELECT page_count * page_size as size FROM pragma_page_count(), pragma_page_size();');
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} catch (Exception) {
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return null;
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}
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}
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return null;
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}
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/**
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* Returns the name of the database.
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*/
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public function getDatabaseName(): ?string
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{
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return $this->connection->getDatabase();
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}
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/**
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* Returns the name of the database user.
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*/
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public function getDatabaseUsername(): ?string
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{
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if ($this->connection->getDatabasePlatform() instanceof AbstractMySQLPlatform) {
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try {
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return $this->connection->fetchOne('SELECT USER()');
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} catch (Exception) {
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return null;
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}
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}
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if ($this->connection->getDatabasePlatform() instanceof SqlitePlatform) {
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return 'sqlite';
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}
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return null;
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}
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}
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