x-server-mobile/backend/app/util/Db.php

<?php

namespace app\util;

use Illuminate\Database\Capsule\Manager as Capsule;
use Illuminate\Events\Dispatcher;
use Illuminate\Container\Container;
use Illuminate\Database\Eloquent\Model as EloquentModel;

class Db
{
    private static ?Capsule $capsule = null;

    public static function init(): void
    {
        if (self::$capsule !== null) {
            return;
        }

        $config = config('database');

        self::$capsule = new Capsule();

        // Add connection
        self::$capsule->addConnection([
            'driver' => 'mysql',
            'host' => getenv('DB_HOST') ?: '127.0.0.1',
            'port' => getenv('DB_PORT') ?: '3306',
            'database' => getenv('DB_DATABASE') ?: 'x_server_mobile',
            'username' => getenv('DB_USERNAME') ?: 'root',
            'password' => getenv('DB_PASSWORD') ?: '',
            'charset' => 'utf8mb4',
            'collation' => 'utf8mb4_unicode_ci',
            'prefix' => '',
            'strict' => true,
            'engine' => null,
        ]);

        // Set event dispatcher
        self::$capsule->setEventDispatcher(new Dispatcher(new Container()));

        // Make this Capsule instance available globally via static methods
        self::$capsule->setAsGlobal();

        // Setup the Eloquent ORM
        self::$capsule->bootEloquent();
    }

    public static function connection(?string $name = null): \Illuminate\Database\Connection
    {
        if (self::$capsule === null) {
            self::init();
        }
        return self::$capsule->connection($name);
    }

    public static function table(string $table): \Illuminate\Database\Query\Builder
    {
        return self::connection()->table($table);
    }

    public static function raw(string $value): \Illuminate\Database\Query\Expression
    {
        return self::connection()->raw($value);
    }
}