<?php
namespace App\Security\Voter;
use App\Entity\Program\Program;
use App\Entity\Program\ProgramCrewMember;
use App\Entity\User;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Authorization\Voter\Voter;
class ProgramVoter extends Voter
{
// these strings are just invented: you can use anything
const SHOW = 'show';
const EDIT = 'edit';
const DELETE = 'delete';
const CHANGE_MEDIA = 'change_media';
const CHAT = 'chat';
protected function supports(string $attribute, $subject): bool
{
// if the attribute isn't one we support, return false
if (!in_array($attribute, [self::SHOW, self::EDIT, self::DELETE, self::CHANGE_MEDIA, self::CHAT])) {
return false;
}
// only vote on `Post` objects
if (!$subject instanceof Program) {
return false;
}
return true;
}
protected function voteOnAttribute(string $attribute, $subject, TokenInterface $token): bool
{
$user = $token->getUser();
if (!$user instanceof User) {
// the user must be logged in; if not, deny access
return false;
}
// you know $subject is a Post object, thanks to `supports()`
/** @var Program $program */
$program = $subject;
switch ($attribute) {
case self::SHOW:
return $this->canView($program, $user);
case self::EDIT:
return $this->canEdit($program, $user);
case self::DELETE:
return $this->canDelete($program, $user);
case self::CHANGE_MEDIA:
return $this->canChangeMedia($program, $user);
case self::CHAT:
return $this->canChat($program, $user);
}
throw new \LogicException('This code should not be reached!');
}
private function canView(Program $program, User $user): bool
{
if ($program->getMedia()->getCreatedBy() === $user) {
return true;
}
/**
* @var ProgramCrewMember[] $crews
*/
$crews = $program->getCrews();
$authorized = false;
if (sizeof($program->getCrews()) > 0) {
foreach ($crews as $crew) {
if ($crew->getUser() === $user && ($crew->getHasAdminRole() || $crew->getHasPostPublisherRole())) {
$authorized = true;
}
}
}
return $authorized;
}
private function canEdit(Program $program, User $user): bool
{
if ($program->getMedia()->getCreatedBy() === $user) {
return true;
}
/**
* @var ProgramCrewMember[] $crews
*/
$crews = $program->getCrews();
$authorized = false;
if (sizeof($program->getCrews()) > 0) {
foreach ($crews as $crew) {
if ($crew->getUser() === $user && $crew->getHasAdminRole()) {
$authorized = true;
}
}
}
return $authorized;
}
private function canDelete(Program $program, User $user): bool
{
return $program->getMedia()->getCreatedBy() === $user;
}
private function canChangeMedia(Program $program, User $user): bool
{
return $program->getMedia()->getCreatedBy() === $user;
}
private function canChat(Program $program, User $user): bool
{
if ($program->getMedia()->getCreatedBy() === $user) {
return true;
}
/**
* @var ProgramCrewMember[] $crews
*/
$crews = $program->getCrews();
$authorized = false;
if (sizeof($program->getCrews()) > 0) {
foreach ($crews as $crew) {
if (
$crew->getUser() === $user &&
(
$crew->getHasAdminRole() ||
$crew->getHasPostPublisherRole()
)
) {
$authorized = true;
}
}
}
return $authorized;
}
}