<?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) 2006~2023 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\model\concern;
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use think\db\BaseQuery as Query;
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use think\db\exception\DbException as Exception;
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use think\Model;
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/**
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* 虚拟模型.
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*/
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trait Virtual
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{
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/**
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* 获取当前模型的数据库查询对象
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*
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* @param array $scope 设置不使用的全局查询范围
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*
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* @return Query
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*/
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public function db($scope = []): Query
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{
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throw new Exception('virtual model not support db query');
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}
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/**
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* 获取字段类型信息.
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*
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* @param string $field 字段名
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*
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* @return string|null
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*/
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public function getFieldType(string $field)
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{
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}
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/**
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* 保存当前数据对象
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*
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* @param array|object $data 数据
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* @param string $sequence 自增序列名
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*
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* @return bool
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*/
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public function save(array|object $data = [], ?string $sequence = null): bool
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{
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if ($data instanceof Model) {
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$data = $data->getData();
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} elseif (is_object($data)) {
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$data = get_object_vars($data);
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}
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// 数据对象赋值
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$this->setAttrs($data);
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if ($this->isEmpty() || false === $this->trigger('BeforeWrite')) {
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return false;
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}
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// 写入回调
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$this->trigger('AfterWrite');
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$this->exists(true);
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return true;
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}
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/**
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* 删除当前的记录.
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*
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* @return bool
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*/
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public function delete(): bool
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{
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if (!$this->isExists() || $this->isEmpty() || false === $this->trigger('BeforeDelete')) {
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return false;
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}
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// 关联删除
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if (!empty($this->relationWrite)) {
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$this->autoRelationDelete();
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}
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$this->trigger('AfterDelete');
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$this->exists(false);
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return true;
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}
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}
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