{% macro avatar(jid, class="") %}
    {%- if identities is defined -%}
        {% set identity = identities.get(jid) %}
        {%- if identity and identity.avatar.filename %}
            <div class="avatar image {{class}}">
                <img src="/cache/common/{{identity.avatar.filename}}">
            </div>
        {% else %}
            {% set nick = identity.nicknames[0] if identity.nicknames else jid %}
            <span class="avatar {{class}} is-flex is-align-items-center is-justify-content-center has-text-weight-bold is-family-code {{class}}">{{nick|initials}}</span>
        {%- endif -%}
    {%- endif -%}
{% endmacro %}