<?php

namespace addons\Agent\console\migrations;

use Yii;
use yii\db\Migration;

/**
 * 修改渠道代理等级表中 关联商品字段的数据类型
 * Class M250916155432ModifyAgentLevel
 */
class M250916155432ModifyAgentLevel extends Migration
{
    /**
     * {@inheritdoc}
     */
    public function safeUp()
    {
        try {
            $res = $this->columnExists('qimall_addons_agent_level', 'goods_list');
            if ($res) {
                $sql=<<<SQL
ALTER TABLE `qimall_addons_agent_level` 
MODIFY COLUMN `goods_list` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL COMMENT '商品列表json' ;
SQL;
            }
            $this->execute($sql);
        } catch (\Exception $e) {
            echo $e->getMessage();
        }

    }

    protected function columnExists($tableName, $columnName)
    {
        $tableSchema = Yii::$app->db->getTableSchema($tableName, true);
        return $tableSchema && in_array($columnName, $tableSchema->columnNames);
    }

    /**
     * {@inheritdoc}
     */
    public function safeDown()
    {
        echo "M250916155432ModifyAgentLevel cannot be reverted.\n";

        return false;
    }

}