ldc-legaulois/app/Mail/ContactMail.php

<?php

namespace App\Mail;

use App\Models\MailContactData;
use Illuminate\Bus\Queueable;
use Illuminate\Mail\Attachment;
use Illuminate\Mail\Mailable;
use Illuminate\Queue\SerializesModels;

class ContactMail extends Mailable
{
    use Queueable;
    use SerializesModels;

    /**
     * The order instance.
     *
     * @var \App\Models\MailContactData
     */
    protected $data;

    /**
     * The path of a specific file.
     *
     * @var string|null
     */
    protected $file;

    /**
     * Create a new message instance.
     *
     * @return void
     */
    public function __construct(MailContactData $data, ?string $file = null)
    {
        $this->data = $data;
        $this->file = $file;
    }

    /**
     * Build the message.
     *
     * @return $this
     */
    public function build()
    {
        return $this
            ->subject(sprintf('Nouveau message consommateur Le Gaulois (%s)', $this->data->type->label()))
            ->view('emails.contact')
            ->text('emails.contact-plain')
            ->with('data', $this->data);
    }

    /**
     * Get the attachments for the message.
     *
     * @return array<int, \Illuminate\Mail\Attachment>
     */
    public function attachments(): array
    {
        if (! $this->file) {
            return [];
        }

        return [
            Attachment::fromPath($this->file)->as($this->data->joinFile),
        ];
    }
}