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<?php
namespace JsonApi\Routes\Blubber;
use BlubberComment;
use BlubberThread;
use Course;
use User;
class Authority
{
public static function canShowBlubberThread(User $user, BlubberThread $resource)
{
return self::userIsAuthor($user) && $resource->isReadable($user->id);
}
public static function canEditBlubberThread(User $user, BlubberThread $resource): bool
{
return self::canShowBlubberThread($user, $resource);
}
public static function canCreatePrivateBlubberThread(User $user)
{
return self::userIsAuthor($user);
}
public static function canCreateCourseBlubberThread(User $user, Course $course)
{
return self::userIsTeacher($user, $course);
}
public static function canEditCourseBlubberThread(User $user, Course $course)
{
return self::userIsTeacher($user, $course);
}
public static function canCreateComment(User $user, BlubberThread $resource)
{
return self::userIsAuthor($user) && $resource->isCommentable($user->id);
}
public static function canDeleteComment(User $user, BlubberComment $resource)
{
return self::canEditComment($user, $resource);
}
public static function canEditComment(User $user, BlubberComment $resource)
{
return self::userIsAuthor($user) && $resource->isWritable($user->id);
}
public static function canIndexComments(User $user, ?BlubberThread $resource = null)
{
return isset($resource)
? self::canShowBlubberThread($user, $resource)
: self::userIsAuthor($user);
}
public static function canShowComment(User $user, BlubberComment $resource)
{
return self::canShowBlubberThread($user, $resource->thread);
}
/**
* @SuppressWarnings(PHPMD.Superglobals)
*/
private static function userIsAuthor(User $user)
{
return $GLOBALS['perm']->have_perm('autor', $user->id);
}
/**
* @SuppressWarnings(PHPMD.Superglobals)
*/
private static function userIsTeacher(User $user, Course $course)
{
return $GLOBALS['perm']->have_studip_perm('tutor', $course->id, $user->id);
}
}
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