jandl-taskmanager-app/be/app/Mail/NewTask.php

<?php

namespace App\Mail;

use App\Models\SubTask;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Mail\Mailable;
use Illuminate\Mail\Mailables\Content;
use Illuminate\Mail\Mailables\Envelope;
use Illuminate\Queue\SerializesModels;
use Illuminate\Mail\Mailables\Address;

class NewTask extends Mailable
{
    use Queueable, SerializesModels;

    public $subtask;
    public $creator;
    public $usersInMasterTask;

    /**
     * Create a new message instance.
     *
     * @return void
     */
    public function __construct(Subtask $subtask)
    {
        $creator = \App\Models\User::find($subtask->created_by);

        $usersInMasterTask = $subtask->mastertask->allUsersInMasterTask;

        $this->creator = $creator;
        $this->subtask = $subtask;
        $this->usersInMasterTask = $usersInMasterTask;
    }

    /**
     * Get the message envelope.
     *
     * @return \Illuminate\Mail\Mailables\Envelope
     */
    public function envelope()
    {
        return new Envelope(
            replyTo: [
                new Address($this->creator->email, ($this->creator) ? $this->creator->firstname . ' ' . $this->creator->lastname : ''),
            ],
            subject: $this->subtask->mastertask->project->code . ' ' . $this->subtask->mastertask->project->name . ' - vytvorený Sub Task',
        );
    }

    /**
     * Get the message content definition.
     *
     * @return \Illuminate\Mail\Mailables\Content
     */
    public function content()
    {
        return new Content(
            view: 'emails.task.sub_task_created',
        );
    }

    /**
     * Get the attachments for the message.
     *
     * @return array
     */
    public function attachments()
    {
        return [];
    }
}