86 lines
2.7 KiB
PHP
86 lines
2.7 KiB
PHP
<?php
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namespace app\admin\model\cms;
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use think\Config;
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use think\Db;
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use think\Exception;
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use think\exception\PDOException;
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use think\Model;
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class Modelx extends Model
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{
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// 表名
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protected $name = 'cms_model';
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// 自动写入时间戳字段
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protected $autoWriteTimestamp = 'int';
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// 定义时间戳字段名
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protected $createTime = 'createtime';
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protected $updateTime = 'updatetime';
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// 追加属性
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protected $append = [
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];
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public static function init()
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{
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self::beforeInsert(function ($row) {
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$setting = [
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'contributefields' => Fields::getContributeFields(),
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'publishfields' => Fields::getPublishFields(),
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];
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$row['setting'] = json_encode($setting);
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if (!preg_match("/^([a-z0-9_]+)$/", $row['table'])) {
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throw new Exception("表名只支持小写字母、数字、下划线");
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}
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$exist = Modelx::where('table', $row['table'])->find();
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if ($exist) {
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throw new Exception("已经存在相同表名的模型");
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}
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$info = null;
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try {
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$info = Db::name($row['table'])->getTableInfo();
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} catch (\Exception $e) {
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}
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if ($info) {
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throw new Exception("数据表已经存在");
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}
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});
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self::afterInsert(function ($row) {
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$prefix = Config::get('database.prefix');
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$sql = "CREATE TABLE `{$prefix}{$row['table']}` (`id` int(10) NOT NULL,`content` longtext NOT NULL,PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='{$row['name']}'";
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try {
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Db::execute($sql);
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} catch (\Exception $e) {
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throw new Exception("发生错误：" . $e->getMessage());
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}
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});
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//存在栏目无法删除
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self::beforeDelete(function ($row) {
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$exist = Channel::where('model_id', $row['id'])->find();
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if ($exist) {
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throw new Exception("模型下存在栏目，无法进行删除");
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}
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});
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//删除模型后删除对应的表字段
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self::afterDelete(function ($row) {
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Db::name("cms_fields")->where(['source' => 'model', 'source_id' => $row['id']])->delete();
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});
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}
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public function getFieldsAttr($value, $data)
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{
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return is_array($value) ? $value : ($value ? explode(',', $value) : []);
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}
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public function getSettingAttr($value, $data)
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{
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return is_array($value) ? $value : (array)json_decode($data['setting'], true);
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}
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public function setSettingAttr($value)
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{
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return is_array($value) ? json_encode($value) : $value;
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}
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}
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