depicts/templates/navbar.html

{% macro nav_item(name, label) %}
<li class="nav-item{% if name == active %} active{% endif %}">
  <a class="nav-link" href="{{ url_for(name) }}">{{ label }}{% if name == active %} <span class="visually-hidden">(current)</span>{% endif %}</a>
</li>
{% endmacro %}

{% macro navbar_inner(name) %}
  <div class="container-fluid">
    <a class="navbar-brand" href="{{ url_for('browse_page') }}">Wikidata Art Depiction Explorer</a>
    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span>
    </button>
    <div class="collapse navbar-collapse" id="navbarSupportedContent">
      <ul class="navbar-nav me-auto">
        {{ nav_item('browse_page', 'Browse') }}
        {{ nav_item('list_edits', 'Recent changes') }}
        {{ nav_item('random_artwork', 'Random artwork') }}
      </ul>
      <ul class="navbar-nav">
        <li class="nav-item">
          {% if g.user %}
            <li class="nav-item">
              <a class="nav-link" href="{{ url_for('user_page', username=g.user) }}">{{ g.user }}</a>
            </li>
            <li class="nav-item">
              <a class="nav-link" href="{{ url_for('oauth_disconnect', next=request.script_root + request.full_path) }}">switch user</a>
            </li>
          {% else %}
            <li class="nav-item">
              {% set login_url = url_for('start_oauth', next=request.script_root + request.full_path) %}
              <a class="nav-link" href="{{ login_url }}">connect with Wikidata</a>
            </li>
          {% endif %}
      </ul>
    </div>
  </div>
{% endmacro %}

{% macro navbar() %}
<nav class="navbar navbar-expand-lg bg-dark" data-bs-theme="dark">
  {{ navbar_inner() }}
</nav>
{% endmacro %}