387 lines
8.5 KiB
PHP
387 lines
8.5 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2019 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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declare (strict_types = 1);
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namespace think;
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use InvalidArgumentException;
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use Psr\Log\LoggerInterface;
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use Psr\SimpleCache\CacheInterface;
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use think\db\BaseQuery;
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use think\db\ConnectionInterface;
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use think\db\Query;
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use think\db\Raw;
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/**
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* Class DbManager
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* @package think
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* @mixin BaseQuery
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* @mixin Query
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*/
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class DbManager
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{
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/**
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* 数据库连接实例
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* @var array
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*/
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protected $instance = [];
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/**
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* 数据库配置
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* @var array
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*/
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protected $config = [];
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/**
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* Event对象或者数组
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* @var array|object
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*/
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protected $event;
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/**
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* SQL监听
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* @var array
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*/
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protected $listen = [];
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/**
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* SQL日志
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* @var array
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*/
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protected $dbLog = [];
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/**
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* 查询次数
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* @var int
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*/
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protected $queryTimes = 0;
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/**
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* 查询缓存对象
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* @var CacheInterface
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*/
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protected $cache;
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/**
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* 查询日志对象
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* @var LoggerInterface
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*/
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protected $log;
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/**
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* 架构函数
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* @access public
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*/
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public function __construct()
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{
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$this->modelMaker();
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}
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/**
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* 注入模型对象
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* @access public
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* @return void
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*/
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protected function modelMaker()
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{
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Model::setDb($this);
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if (is_object($this->event)) {
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Model::setEvent($this->event);
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}
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Model::maker(function (Model $model) {
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$isAutoWriteTimestamp = $model->getAutoWriteTimestamp();
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if (is_null($isAutoWriteTimestamp)) {
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// 自动写入时间戳
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$model->isAutoWriteTimestamp($this->getConfig('auto_timestamp', true));
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}
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$dateFormat = $model->getDateFormat();
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if (is_null($dateFormat)) {
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// 设置时间戳格式
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$model->setDateFormat($this->getConfig('datetime_format', 'Y-m-d H:i:s'));
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}
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});
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}
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/**
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* 监听SQL
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* @access protected
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* @return void
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*/
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public function triggerSql(): void
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{}
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/**
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* 初始化配置参数
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* @access public
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* @param array $config 连接配置
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* @return void
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*/
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public function setConfig($config): void
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{
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$this->config = $config;
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}
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/**
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* 设置缓存对象
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* @access public
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* @param CacheInterface $cache 缓存对象
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* @return void
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*/
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public function setCache(CacheInterface $cache): void
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{
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$this->cache = $cache;
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}
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/**
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* 设置日志对象
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* @access public
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* @param LoggerInterface $log 日志对象
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* @return void
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*/
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public function setLog(LoggerInterface $log): void
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{
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$this->log = $log;
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}
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/**
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* 记录SQL日志
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* @access protected
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* @param string $log SQL日志信息
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* @param string $type 日志类型
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* @return void
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*/
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public function log(string $log, string $type = 'sql')
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{
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if ($this->log) {
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$this->log->log($type, $log);
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} else {
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$this->dbLog[$type][] = $log;
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}
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}
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/**
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* 获得查询日志（没有设置日志对象使用）
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* @access public
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* @param bool $clear 是否清空
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* @return array
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*/
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public function getDbLog(bool $clear = false): array
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{
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$logs = $this->dbLog;
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if ($clear) {
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$this->dbLog = [];
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}
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return $logs;
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}
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/**
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* 获取配置参数
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* @access public
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* @param string $name 配置参数
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* @param mixed $default 默认值
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* @return mixed
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*/
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public function getConfig(string $name = '', $default = null)
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{
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if ('' === $name) {
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return $this->config;
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}
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return $this->config[$name] ?? $default;
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}
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/**
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* 创建/切换数据库连接查询
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* @access public
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* @param string|null $name 连接配置标识
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* @param bool $force 强制重新连接
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* @return ConnectionInterface
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*/
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public function connect(string $name = null, bool $force = false)
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{
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return $this->instance($name, $force);
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}
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/**
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* 创建数据库连接实例
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* @access protected
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* @param string|null $name 连接标识
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* @param bool $force 强制重新连接
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* @return ConnectionInterface
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*/
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protected function instance(string $name = null, bool $force = false): ConnectionInterface
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{
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if (empty($name)) {
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$name = $this->getConfig('default', 'mysql');
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}
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if ($force || !isset($this->instance[$name])) {
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$this->instance[$name] = $this->createConnection($name);
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}
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return $this->instance[$name];
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}
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/**
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* 获取连接配置
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* @param string $name
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* @return array
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*/
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protected function getConnectionConfig(string $name): array
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{
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$connections = $this->getConfig('connections');
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if (!isset($connections[$name])) {
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throw new InvalidArgumentException('Undefined db config:' . $name);
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}
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return $connections[$name];
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}
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/**
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* 创建连接
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* @param $name
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* @return ConnectionInterface
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*/
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protected function createConnection(string $name): ConnectionInterface
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{
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$config = $this->getConnectionConfig($name);
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$type = !empty($config['type']) ? $config['type'] : 'mysql';
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if (false !== strpos($type, '\\')) {
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$class = $type;
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} else {
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$class = '\\think\\db\\connector\\' . ucfirst($type);
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}
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/** @var ConnectionInterface $connection */
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$connection = new $class($config);
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$connection->setDb($this);
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if ($this->cache) {
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$connection->setCache($this->cache);
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}
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return $connection;
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}
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/**
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* 使用表达式设置数据
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* @access public
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* @param string $value 表达式
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* @return Raw
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*/
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public function raw(string $value): Raw
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{
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return new Raw($value);
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}
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/**
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* 更新查询次数
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* @access public
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* @return void
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*/
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public function updateQueryTimes(): void
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{
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$this->queryTimes++;
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}
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/**
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* 重置查询次数
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* @access public
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* @return void
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*/
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public function clearQueryTimes(): void
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{
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$this->queryTimes = 0;
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}
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/**
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* 获得查询次数
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* @access public
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* @return integer
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*/
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public function getQueryTimes(): int
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{
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return $this->queryTimes;
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}
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/**
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* 监听SQL执行
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* @access public
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* @param callable $callback 回调方法
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* @return void
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*/
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public function listen(callable $callback): void
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{
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$this->listen[] = $callback;
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}
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/**
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* 获取监听SQL执行
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* @access public
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* @return array
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*/
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public function getListen(): array
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{
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return $this->listen;
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}
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/**
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* 获取所有连接实列
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* @access public
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* @return array
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*/
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public function getInstance(): array
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{
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return $this->instance;
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}
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/**
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* 注册回调方法
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* @access public
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* @param string $event 事件名
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* @param callable $callback 回调方法
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* @return void
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*/
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public function event(string $event, callable $callback): void
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{
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$this->event[$event][] = $callback;
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}
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/**
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* 触发事件
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* @access public
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* @param string $event 事件名
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* @param mixed $params 传入参数
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* @return mixed
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*/
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public function trigger(string $event, $params = null)
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{
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if (isset($this->event[$event])) {
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foreach ($this->event[$event] as $callback) {
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call_user_func_array($callback, [$params]);
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}
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}
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}
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public function __call($method, $args)
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{
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return call_user_func_array([$this->connect(), $method], $args);
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}
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}
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