100 lines
3.4 KiB
PHP
100 lines
3.4 KiB
PHP
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<?php
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/**
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*+------------------
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* madong
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*+------------------
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* Copyright (c) https://gitee.com/motion-code All rights reserved.
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*+------------------
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* Author: Mr. April (405784684@qq.com)
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*+------------------
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* Official Website: https://madong.tech
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*/
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namespace core\db;
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use PDO;
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use Webman\Exception\BusinessException;
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class DbConfigManagerService
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{
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private const CACHE_KEY = 'db_config_cache';
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private const CACHE_TTL = 300; // 5分钟缓存
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private const TABLE_NAME = 'ma_mt_db_setting';//多数据源表
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// 静态调用入口
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public static function getConfig(array $base = [], string $defaultKey = 'mysql', bool $isDefaultAppend = false): array
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{
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try {
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$installLockPath = base_path() . '/install.lock';
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$envFilePath = base_path() . '/.env';
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if (!file_exists($installLockPath) || !file_exists($envFilePath)) {
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// 系统未安装，返回空数组
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return [];
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}
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if (empty($base)) {
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throw new BusinessException('Missing database name in base config');
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}
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$config = self::queryDbConfig($base);
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if ($isDefaultAppend && !empty($defaultKey)) {
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$config[$defaultKey] = $base;
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}
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//无效缓存配置程序启动载入后不在载入
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// Cache::set(self::CACHE_KEY, $config, self::CACHE_TTL);
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return $config;
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} catch
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(\PDOException $e) {
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throw new BusinessException('数据库配置获取失败: ' . $e->getMessage());
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}
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}
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private static function queryDbConfig(array $base): array
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{
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$config = [];
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$dsn = sprintf('mysql:host=%s;port=%d;dbname=%s',
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$base['host'],
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$base['port'],
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$base['database']
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);
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$pdo = new PDO(
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$dsn,
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$base['username'],
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$base['password'],
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[
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
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PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES 'utf8mb4' COLLATE 'utf8mb4_general_ci'",
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]
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);
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$table = self::TABLE_NAME;
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$sql = "SELECT `database`, `username`, `password`, `prefix`, `driver`, `host`,`port`
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FROM `{$table}`
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WHERE enabled = 1";
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$stmt = $pdo->prepare($sql);
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$stmt->execute();
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$tenants = $stmt->fetchAll();
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foreach ($tenants as $tenant) {
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$config[$tenant['database']] = [
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'driver' => $tenant['driver'] ?? 'mysql',
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'host' => $tenant['host'] ?? '127.0.0.1',
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'port' => (int)$tenant['port'] ?? 3306,
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'database' => $tenant['database'],
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'username' => $tenant['username'],
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'password' => $tenant['password'],
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'charset' => 'utf8mb4',
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'unix_socket' => $base['unix_socket'] ?? '',
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'collation' => 'utf8mb4_general_ci',
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'prefix' => $tenant['prefix'] ?? '',
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'strict' => $base['strict'] ?? false,
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'engine' => null,
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'pool' => $base['pool'] ?? [],
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];
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}
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$pdo = null;
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return $config;
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}
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}
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