SystemUserPermission.php

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<?php

namespace BristolSU\Support\Permissions\Testers;

use BristolSU\Support\Authentication\Contracts\Authentication;
use BristolSU\Support\Permissions\Contracts\Models\Permission;
use BristolSU\Support\Permissions\Contracts\Tester;
use BristolSU\Support\Permissions\Models\ModelPermission;
use BristolSU\ControlDB\Contracts\Models\Group;
use BristolSU\ControlDB\Contracts\Models\Role;
use BristolSU\ControlDB\Contracts\Models\User;

class SystemUserPermission extends Tester
{

    public function can(Permission $permission, ?User $user, ?Group $group, ?Role $role): ?bool
    {
        if ($user === null || $permission->getType() !== 'global') {
            return null;
        }
        
        $override = ModelPermission::user($user->id(), $permission->getAbility())->first();
        
        return ($override === null ?null:$override->result);
    }
}