<?php

namespace App\Database\Migrations;

use CodeIgniter\Database\Migration;

class AddStudentActiveFlag extends Migration
{
    public function up()
    {
        $db = \Config\Database::connect();

        if (!$db->tableExists('students')) {
            return;
        }

        if (!$db->fieldExists('is_active', 'students')) {
            $this->forge->addColumn('students', [
                'is_active' => [
                    'type'       => 'TINYINT',
                    'constraint' => 1,
                    'default'    => 1,
                    'null'       => false,
                ],
            ]);
        }
    }

    public function down()
    {
        $db = \Config\Database::connect();

        if (!$db->tableExists('students')) {
            return;
        }

        if ($db->fieldExists('is_active', 'students')) {
            $this->forge->dropColumn('students', 'is_active');
        }
    }
}