Create Seeder Command for existing table in laravel

<?php

namespace App\Console\Commands;

use App\Models\Country;

use Illuminate\Console\Command;

use Illuminate\Support\Facades\Schema;

use Illuminate\Support\Facades\Storage;

class CreateSeeder extends Command

{

const VAR_NAME = '$data';

const MODEL_NAME ='Country';

const KEY_NAME = '$d';

const RULE_KEY_NAME = "'name'";

/**

* The name and signature of the console command.

*

* @var string

*/

protected $signature = 'createSeeder';

/**

* The console command description.

*

* @var string

*/

protected $description = 'Command description';

/**

* Execute the console command.

*/

private function Model(){

return new Country();

}

private function isInt($column){

$data_type =$this->getTypeOfColumn($column);

return ($data_type=='int' || $data_type=='smallint'

||$data_type=='integer' ||$data_type=='bigint')?true:false;

}

private function getTypeOfColumn($column){

$table = $this->Model()->getTable();

return Schema::getColumnType($table, $column);

}

private function getSeederName(){

return "seeder/".self::MODEL_NAME."Seeder.php";

}

private function getData(){

$model_data = $this->model()->get();

$columns = $this->model()->getFillable();

$text ='';

foreach($model_data as $data){

$text.= "[\n";

foreach($columns as $column){

$value = addslashes($data->$column);

$value = ($value=='')?0:$value;

if($this->isInt($column)){

$text.= "'$column' => $value,\n";

}else{

$text.= "'$column' => '$value',\n";

}

}

$text.="],\n";

}

return self::VAR_NAME."=[\n $text \n];";

}

private function generateSeeder(string $model_use_location,

string $data, string $var,string $model_name,string $rule, string $d){

return "<?php

namespace Database\Seeders;

$model_use_location;

use Illuminate\Database\Seeder;

class CountrySeeder extends Seeder

{

/**

* Run the database seeds.

*/

public function run(): void

{

$data

foreach($var as $d)

{

$model_name::updateOrCreate($rule,$d);

}

}

}";

}

private function CreateSeeder(){

$d= self::KEY_NAME;

$var = self::VAR_NAME;

$model_name = self::MODEL_NAME;

$rule_key = self::RULE_KEY_NAME;

$rule ="[$rule_key=>".$d."[$rule_key]]";

$data = $this->getData();

$model_use_location="use App\Models\\$model_name";

return $this->generateSeeder($model_use_location,$data,$var,

$model_name,$rule,$d);

}

private function writeSeeder(){

$file_name = $this->getSeederName();

Storage::put($file_name,$this->CreateSeeder());

}

public function handle()

{

$this->writeSeeder();

$this->info("working");

}

}