opnform/app/Policies/TemplatePolicy.php

<?php

namespace App\Policies;

use App\Models\Template;
use App\Models\User;
use Illuminate\Auth\Access\HandlesAuthorization;

class TemplatePolicy
{
    use HandlesAuthorization;

    /**
     * Determine whether the user can create models.
     *
     * @param  \App\Models\User  $user
     * @return \Illuminate\Auth\Access\Response|bool
     */
    public function create(User $user)
    {
        return $user !== null;
    }

    /**
     * Determine whether the user can update the model.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Template  $template
     * @return mixed
     */
    public function update(User $user, Template $template)
    {
        return $user->admin || $user->template_editor || $template->creator_id === $user->id;
    }

    /**
     * Determine whether the user can delete the model.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Template  $template
     * @return mixed
     */
    public function delete(User $user, Template $template)
    {
        return $user->admin || $user->template_editor || $template->creator_id === $user->id;
    }
}