protonemedia/eddy-server-management

use Exception;
use ProtoneMedia\Splade\Facades\Toast;

class PendingDeploymentException extends Exception
{
    public function __construct(
        private Site $site,
        string $message = '',
        int $code = 0,
        Exception $previous = null,
    ) {
        parent::__construct($message, $code, $previous);
    }

    public function render()
    {
        Toast::warning(__('The site is already being deployed.'));

        return back(fallback: route('servers.sites.show', [$this->site->server, $this->site]));
    }
}

use App\Jobs\DeploySite;
use Illuminate\Database\Eloquent\Model;

class Site extends Model
{
    // ...

    public function deploy(array $environmentVariables = [], User $user = null): Deployment
    {
        if ($this->fresh()->latestDeployment?->status === DeploymentStatus::Pending) {
            throw new PendingDeploymentException($this);
        }

        /** @var Deployment */
        $deployment = $this->deployments()->create([
            'status' => DeploymentStatus::Pending,
            'user_id' => $user?->exists ? $user->id : null,
        ]);

        $this->server->team->activityLogs()->create([
            'subject_id' => $this->getKey(),
            'subject_type' => $this->getMorphClass(),
            'description' => __(__("Deployed site ':address' on server ':server'", ['address' => $this->address, 'server' => $this->server->name])),
            'user_id' => $user?->exists ? $user->id : null,
        ]);

        dispatch(new DeploySite($deployment, $environmentVariables));

        return $deployment;
    }

    // ...
}