2FAuth/app/Policies/GroupPolicy.php

<?php

namespace App\Policies;

use App\Models\Group;
use App\Models\User;
use Illuminate\Auth\Access\HandlesAuthorization;
use Illuminate\Support\Facades\Log;

class GroupPolicy
{
    use HandlesAuthorization, OwnershipTrait;

    /**
     * Determine whether the user can view any models.
     *
     * @param  \App\Models\User  $user
     * @return \Illuminate\Auth\Access\Response|bool
     */
    public function viewAny(User $user)
    {
        return false;
    }

    /**
     * Determine whether the user can view the model.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Group  $group
     * @return \Illuminate\Auth\Access\Response|bool
     */
    public function view(User $user, Group $group)
    {
        $can = $this->isOwnerOf($user, $group);

        if (! $can) {
            Log::notice(sprintf('User ID #%s cannot view group %s (ID #%s)', $user->id, var_export($group->name, true), $group->id));
        }

        return $can;
    }

    /**
     * Determine whether the user can view all provided models.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Group  $group
     * @param  \Illuminate\Support\Collection<int, \App\Models\Group>  $groups
     * @return \Illuminate\Auth\Access\Response|bool
     */
    public function viewEach(User $user, Group $group, $groups)
    {
        $can = $this->isOwnerOfEach($user, $groups);

        if (! $can) {
            $ids = $groups->map(function ($group, $key) {
                return $group->id;
            });
            Log::notice(sprintf('User ID #%s cannot view all groups in IDs #%s', $user->id, implode(',', $ids->toArray())));
        }

        return $can;
    }

    /**
     * Determine whether the user can create models.
     *
     * @param  \App\Models\User  $user
     * @return \Illuminate\Auth\Access\Response|bool
     */
    public function create(User $user)
    {
        // Log::notice(sprintf('User ID #%s cannot create groups', $user->id));

        return true;
    }

    /**
     * Determine whether the user can update the model.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Group  $group
     * @return \Illuminate\Auth\Access\Response|bool
     */
    public function update(User $user, Group $group)
    {
        $can = $this->isOwnerOf($user, $group);

        if (! $can) {
            Log::notice(sprintf('User ID #%s cannot update group %s (ID #%s)', $user->id, var_export($group->name, true), $group->id));
        }

        return $can;
    }

    /**
     * Determine whether the user can update all provided models.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Group  $group
     * @param  \Illuminate\Support\Collection<int, \App\Models\Group>  $groups
     * @return \Illuminate\Auth\Access\Response|bool
     */
    public function updateEach(User $user, Group $group, $groups)
    {
        $can = $this->isOwnerOfEach($user, $groups);

        if (! $can) {
            $ids = $groups->map(function ($group, $key) {
                return $group->id;
            });
            Log::notice(sprintf('User ID #%s cannot update all groups in IDs #%s', $user->id, implode(',', $ids->toArray())));
        }

        return $can;
    }

    /**
     * Determine whether the user can delete the model.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Group  $group
     * @return \Illuminate\Auth\Access\Response|bool
     */
    public function delete(User $user, Group $group)
    {
        $can = $this->isOwnerOf($user, $group);

        if (! $can) {
            Log::notice(sprintf('User ID #%s cannot delete group %s (ID #%s)', $user->id, var_export($group->name, true), $group->id));
        }

        return $can;
    }

    /**
     * Determine whether the user can delete all provided models.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Group  $group
     * @param  \Illuminate\Support\Collection<int, \App\Models\Group>  $groups
     * @return \Illuminate\Auth\Access\Response|bool
     */
    public function deleteEach(User $user, Group $group, $groups)
    {
        $can = $this->isOwnerOfEach($user, $groups);

        if (! $can) {
            $ids = $groups->map(function ($group, $key) {
                return $group->id;
            });
            Log::notice(sprintf('User ID #%s cannot delete all groups in IDs #%s', $user->id, implode(',', $ids->toArray())));
        }

        return $can;
    }

    /**
     * Determine whether the user can restore the model.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Group  $group
     * @return \Illuminate\Auth\Access\Response|bool
     */
    public function restore(User $user, Group $group)
    {
        return $this->isOwnerOf($user, $group);
    }

    /**
     * Determine whether the user can permanently delete the model.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Group  $group
     * @return \Illuminate\Auth\Access\Response|bool
     */
    public function forceDelete(User $user, Group $group)
    {
        return $this->isOwnerOf($user, $group);
    }
}