php - Check specific user permission in a twig view

In a TWIG view of my Symfony 5 project, I have the following piece of code :

<table class="table table-hover table-striped datatable">
    <thead>
        <tr>
            <th>ID</th>
            <th>Username</th>
            <th>Email</th>
            <th>Created at</th>
        </tr>
    </thead>
    <tbody>
    {% for user in users %}
        <tr>
            <td>{{ user.id }}</td>
            <td>{{ user.name }}</td>
            <td>{{ user.email }}</td>
            <td>{{ user.createdAt|date('d/m/Y H:i') }}</td>
        </tr>
    {% endfor %}
    </tbody>
</table>
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Nothing impressive. I wanted to know if there was a way to check if theuser in my loop has a specific role, let's sayROLE_STAFF (More precisely, I want to check it against the hierarchy. If he has a role that "inherits"ROLE_STAFF, it should also satisfy the condition). I have seen this post but it's quite old, and I'm hoping maybe something has been implemented since the moment it was written.

I tried injecting theAccessDecisionManagerInterface in myUser entity without any good result. My method (thereafter) does not work because$this->decisionManager is null. I guess it has not been injected properly. I inject it by the constructor :

public function __construct(AccessDecisionManagerInterface $decisionManager)
{
    $this->decisionManager = $decisionManager;
}

public function hasRolePermissions(string $role)
{
    $decisionManager = new AccessDecisionManager();
    $token = new UsernamePasswordToken($this, '', '', $this->getRoles());
    return $this->decisionManager->decide($token, [$role]);
}
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Although a solution that does not useisGranted, like a service, or an injection, is perfectly acceptable to me, I would prefer to keep it simple. I was planning to build a twig function, but I would like to know if I'm reinventing the wheel or not. This seems a common enough issue, so I hope there is some built-in functionality I'm not aware of.

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